Octave 3.8, jcobi/3

Percentage Accurate: 94.2% → 99.8%
Time: 18.1s
Alternatives: 19
Speedup: 3.9×

Specification

?
\[\alpha > -1 \land \beta > -1\]
\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\ \frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t_0}}{t_0}}{t_0 + 1} \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha beta) (* 2.0 1.0))))
   (/ (/ (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) t_0) t_0) (+ t_0 1.0))))
double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    t_0 = (alpha + beta) + (2.0d0 * 1.0d0)
    code = (((((alpha + beta) + (beta * alpha)) + 1.0d0) / t_0) / t_0) / (t_0 + 1.0d0)
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
def code(alpha, beta):
	t_0 = (alpha + beta) + (2.0 * 1.0)
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0)
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + beta) + Float64(2.0 * 1.0))
	return Float64(Float64(Float64(Float64(Float64(Float64(alpha + beta) + Float64(beta * alpha)) + 1.0) / t_0) / t_0) / Float64(t_0 + 1.0))
end
function tmp = code(alpha, beta)
	t_0 = (alpha + beta) + (2.0 * 1.0);
	tmp = (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * 1.0), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(N[(N[(N[(alpha + beta), $MachinePrecision] + N[(beta * alpha), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] / t$95$0), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(t$95$0 + 1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\
\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t_0}}{t_0}}{t_0 + 1}
\end{array}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 19 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 94.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\ \frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t_0}}{t_0}}{t_0 + 1} \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha beta) (* 2.0 1.0))))
   (/ (/ (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) t_0) t_0) (+ t_0 1.0))))
double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    t_0 = (alpha + beta) + (2.0d0 * 1.0d0)
    code = (((((alpha + beta) + (beta * alpha)) + 1.0d0) / t_0) / t_0) / (t_0 + 1.0d0)
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
def code(alpha, beta):
	t_0 = (alpha + beta) + (2.0 * 1.0)
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0)
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + beta) + Float64(2.0 * 1.0))
	return Float64(Float64(Float64(Float64(Float64(Float64(alpha + beta) + Float64(beta * alpha)) + 1.0) / t_0) / t_0) / Float64(t_0 + 1.0))
end
function tmp = code(alpha, beta)
	t_0 = (alpha + beta) + (2.0 * 1.0);
	tmp = (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * 1.0), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(N[(N[(N[(alpha + beta), $MachinePrecision] + N[(beta * alpha), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] / t$95$0), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(t$95$0 + 1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\
\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t_0}}{t_0}}{t_0 + 1}
\end{array}
\end{array}

Alternative 1: 99.8% accurate, 1.4× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} t_0 := \alpha + \left(2 + \beta\right)\\ \frac{\frac{1 + \alpha}{t_0}}{\frac{t_0}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)} \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ alpha (+ 2.0 beta))))
   (/ (/ (+ 1.0 alpha) t_0) (* (/ t_0 (+ 1.0 beta)) (+ alpha (+ beta 3.0))))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double t_0 = alpha + (2.0 + beta);
	return ((1.0 + alpha) / t_0) / ((t_0 / (1.0 + beta)) * (alpha + (beta + 3.0)));
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    t_0 = alpha + (2.0d0 + beta)
    code = ((1.0d0 + alpha) / t_0) / ((t_0 / (1.0d0 + beta)) * (alpha + (beta + 3.0d0)))
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double t_0 = alpha + (2.0 + beta);
	return ((1.0 + alpha) / t_0) / ((t_0 / (1.0 + beta)) * (alpha + (beta + 3.0)));
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	t_0 = alpha + (2.0 + beta)
	return ((1.0 + alpha) / t_0) / ((t_0 / (1.0 + beta)) * (alpha + (beta + 3.0)))
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	t_0 = Float64(alpha + Float64(2.0 + beta))
	return Float64(Float64(Float64(1.0 + alpha) / t_0) / Float64(Float64(t_0 / Float64(1.0 + beta)) * Float64(alpha + Float64(beta + 3.0))))
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	t_0 = alpha + (2.0 + beta);
	tmp = ((1.0 + alpha) / t_0) / ((t_0 / (1.0 + beta)) * (alpha + (beta + 3.0)));
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := Block[{t$95$0 = N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(N[(t$95$0 / N[(1.0 + beta), $MachinePrecision]), $MachinePrecision] * N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
t_0 := \alpha + \left(2 + \beta\right)\\
\frac{\frac{1 + \alpha}{t_0}}{\frac{t_0}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}
\end{array}
\end{array}
Derivation
  1. Initial program 94.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Step-by-step derivation
    1. associate-/l/92.7%

      \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    2. associate-/r*84.1%

      \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
    3. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    4. associate-+l+84.1%

      \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    5. associate-+r+84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    6. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    7. distribute-rgt1-in84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    8. +-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    9. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    10. distribute-rgt1-in84.1%

      \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    11. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    12. times-frac96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
  3. Simplified96.0%

    \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  4. Step-by-step derivation
    1. associate-*r/96.1%

      \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. +-commutative96.1%

      \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
  5. Applied egg-rr96.1%

    \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  6. Step-by-step derivation
    1. associate-*r/96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. *-commutative96.0%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
    3. associate-/r*99.8%

      \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    4. +-commutative99.8%

      \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    5. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    6. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    7. associate-+r+99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    8. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    9. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    10. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
    11. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
  7. Simplified99.8%

    \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
  8. Step-by-step derivation
    1. *-commutative99.8%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
    2. +-commutative99.8%

      \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
    3. associate-+r+99.8%

      \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
    4. clear-num99.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
    5. frac-times99.4%

      \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
    6. *-un-lft-identity99.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    7. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    8. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    9. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    10. associate-+r+99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    11. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    12. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    13. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
    14. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
    15. associate-+r+99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
  9. Applied egg-rr99.4%

    \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  10. Final simplification99.4%

    \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]

Alternative 2: 99.8% accurate, 1.4× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} t_0 := \alpha + \left(2 + \beta\right)\\ \frac{\frac{1 + \alpha}{t_0}}{3 + \left(\alpha + \beta\right)} \cdot \frac{1 + \beta}{t_0} \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ alpha (+ 2.0 beta))))
   (* (/ (/ (+ 1.0 alpha) t_0) (+ 3.0 (+ alpha beta))) (/ (+ 1.0 beta) t_0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double t_0 = alpha + (2.0 + beta);
	return (((1.0 + alpha) / t_0) / (3.0 + (alpha + beta))) * ((1.0 + beta) / t_0);
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    t_0 = alpha + (2.0d0 + beta)
    code = (((1.0d0 + alpha) / t_0) / (3.0d0 + (alpha + beta))) * ((1.0d0 + beta) / t_0)
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double t_0 = alpha + (2.0 + beta);
	return (((1.0 + alpha) / t_0) / (3.0 + (alpha + beta))) * ((1.0 + beta) / t_0);
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	t_0 = alpha + (2.0 + beta)
	return (((1.0 + alpha) / t_0) / (3.0 + (alpha + beta))) * ((1.0 + beta) / t_0)
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	t_0 = Float64(alpha + Float64(2.0 + beta))
	return Float64(Float64(Float64(Float64(1.0 + alpha) / t_0) / Float64(3.0 + Float64(alpha + beta))) * Float64(Float64(1.0 + beta) / t_0))
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	t_0 = alpha + (2.0 + beta);
	tmp = (((1.0 + alpha) / t_0) / (3.0 + (alpha + beta))) * ((1.0 + beta) / t_0);
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := Block[{t$95$0 = N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(3.0 + N[(alpha + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 + beta), $MachinePrecision] / t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
t_0 := \alpha + \left(2 + \beta\right)\\
\frac{\frac{1 + \alpha}{t_0}}{3 + \left(\alpha + \beta\right)} \cdot \frac{1 + \beta}{t_0}
\end{array}
\end{array}
Derivation
  1. Initial program 94.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Step-by-step derivation
    1. associate-/l/92.7%

      \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    2. associate-/r*84.1%

      \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
    3. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    4. associate-+l+84.1%

      \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    5. associate-+r+84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    6. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    7. distribute-rgt1-in84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    8. +-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    9. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    10. distribute-rgt1-in84.1%

      \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    11. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    12. times-frac96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
  3. Simplified96.0%

    \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  4. Step-by-step derivation
    1. associate-*r/96.1%

      \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. +-commutative96.1%

      \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
  5. Applied egg-rr96.1%

    \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  6. Step-by-step derivation
    1. associate-*r/96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. *-commutative96.0%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
    3. associate-/r*99.8%

      \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    4. +-commutative99.8%

      \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    5. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    6. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    7. associate-+r+99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    8. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    9. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    10. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
    11. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
  7. Simplified99.8%

    \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
  8. Final simplification99.8%

    \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{3 + \left(\alpha + \beta\right)} \cdot \frac{1 + \beta}{\alpha + \left(2 + \beta\right)} \]

Alternative 3: 98.7% accurate, 1.7× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.5:\\ \;\;\;\;\frac{1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1 + \alpha}{\alpha + 2}}{\alpha + 2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\beta + 4\right) + \alpha \cdot 2}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 2.5)
   (*
    (/ 1.0 (+ alpha (+ beta 3.0)))
    (/ (/ (+ 1.0 alpha) (+ alpha 2.0)) (+ alpha 2.0)))
   (/
    (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta)))
    (+ (+ beta 4.0) (* alpha 2.0)))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.5) {
		tmp = (1.0 / (alpha + (beta + 3.0))) * (((1.0 + alpha) / (alpha + 2.0)) / (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0));
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 2.5d0) then
        tmp = (1.0d0 / (alpha + (beta + 3.0d0))) * (((1.0d0 + alpha) / (alpha + 2.0d0)) / (alpha + 2.0d0))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / ((beta + 4.0d0) + (alpha * 2.0d0))
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.5) {
		tmp = (1.0 / (alpha + (beta + 3.0))) * (((1.0 + alpha) / (alpha + 2.0)) / (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0));
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 2.5:
		tmp = (1.0 / (alpha + (beta + 3.0))) * (((1.0 + alpha) / (alpha + 2.0)) / (alpha + 2.0))
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0))
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 2.5)
		tmp = Float64(Float64(1.0 / Float64(alpha + Float64(beta + 3.0))) * Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + 2.0)) / Float64(alpha + 2.0)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(Float64(beta + 4.0) + Float64(alpha * 2.0)));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 2.5)
		tmp = (1.0 / (alpha + (beta + 3.0))) * (((1.0 + alpha) / (alpha + 2.0)) / (alpha + 2.0));
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0));
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 2.5], N[(N[(1.0 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision] / N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(beta + 4.0), $MachinePrecision] + N[(alpha * 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.5:\\
\;\;\;\;\frac{1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1 + \alpha}{\alpha + 2}}{\alpha + 2}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\beta + 4\right) + \alpha \cdot 2}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.5

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    8. Step-by-step derivation
      1. *-un-lft-identity98.9%

        \[\leadsto \frac{\color{blue}{1 \cdot \frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1 \cdot \frac{1 + \alpha}{2 + \alpha}}{\color{blue}{\left(2 + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
      3. *-commutative98.9%

        \[\leadsto \frac{1 \cdot \frac{1 + \alpha}{2 + \alpha}}{\color{blue}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(2 + \alpha\right)}} \]
      4. times-frac99.5%

        \[\leadsto \color{blue}{\frac{1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1 + \alpha}{2 + \alpha}}{2 + \alpha}} \]
      5. +-commutative99.5%

        \[\leadsto \frac{1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1 + \alpha}{2 + \alpha}}{\color{blue}{\alpha + 2}} \]
      6. +-commutative99.5%

        \[\leadsto \frac{1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\alpha + 2}}}{\alpha + 2} \]
    9. Applied egg-rr99.5%

      \[\leadsto \color{blue}{\frac{1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1 + \alpha}{\alpha + 2}}{\alpha + 2}} \]

    if 2.5 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 87.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{4 + \left(\beta + 2 \cdot \alpha\right)}} \]
    11. Step-by-step derivation
      1. associate-+r+87.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(4 + \beta\right) + 2 \cdot \alpha}} \]
    12. Simplified87.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(4 + \beta\right) + 2 \cdot \alpha}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification95.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.5:\\ \;\;\;\;\frac{1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1 + \alpha}{\alpha + 2}}{\alpha + 2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\beta + 4\right) + \alpha \cdot 2}\\ \end{array} \]

Alternative 4: 98.2% accurate, 1.7× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{2 + \beta}{\frac{1 + \beta}{\beta + 3}}} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (/
  (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta)))
  (/ (+ 2.0 beta) (/ (+ 1.0 beta) (+ beta 3.0)))))
assert(alpha < beta);
double code(double alpha, double beta) {
	return ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)));
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / ((2.0d0 + beta) / ((1.0d0 + beta) / (beta + 3.0d0)))
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	return ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)));
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	return ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)))
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	return Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(Float64(2.0 + beta) / Float64(Float64(1.0 + beta) / Float64(beta + 3.0))))
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)));
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(2.0 + beta), $MachinePrecision] / N[(N[(1.0 + beta), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{2 + \beta}{\frac{1 + \beta}{\beta + 3}}}
\end{array}
Derivation
  1. Initial program 94.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Step-by-step derivation
    1. associate-/l/92.7%

      \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    2. associate-/r*84.1%

      \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
    3. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    4. associate-+l+84.1%

      \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    5. associate-+r+84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    6. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    7. distribute-rgt1-in84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    8. +-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    9. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    10. distribute-rgt1-in84.1%

      \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    11. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    12. times-frac96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
  3. Simplified96.0%

    \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  4. Step-by-step derivation
    1. associate-*r/96.1%

      \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. +-commutative96.1%

      \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
  5. Applied egg-rr96.1%

    \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  6. Step-by-step derivation
    1. associate-*r/96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. *-commutative96.0%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
    3. associate-/r*99.8%

      \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    4. +-commutative99.8%

      \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    5. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    6. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    7. associate-+r+99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    8. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    9. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
    10. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
    11. +-commutative99.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
  7. Simplified99.8%

    \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
  8. Step-by-step derivation
    1. *-commutative99.8%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
    2. +-commutative99.8%

      \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
    3. associate-+r+99.8%

      \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
    4. clear-num99.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
    5. frac-times99.4%

      \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
    6. *-un-lft-identity99.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    7. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    8. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    9. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    10. associate-+r+99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    11. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    12. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    13. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
    14. +-commutative99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
    15. associate-+r+99.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
  9. Applied egg-rr99.4%

    \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  10. Taylor expanded in alpha around 0 70.6%

    \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
  11. Step-by-step derivation
    1. associate-/l*72.2%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{2 + \beta}{\frac{1 + \beta}{3 + \beta}}}} \]
    2. +-commutative72.2%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\beta + 2}}{\frac{1 + \beta}{3 + \beta}}} \]
    3. +-commutative72.2%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\beta + 2}{\frac{1 + \beta}{\color{blue}{\beta + 3}}}} \]
  12. Simplified72.2%

    \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}}} \]
  13. Final simplification72.2%

    \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{2 + \beta}{\frac{1 + \beta}{\beta + 3}}} \]

Alternative 5: 98.3% accurate, 1.8× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 68000000:\\ \;\;\;\;\frac{\frac{1}{2 + \beta}}{\frac{\left(2 + \beta\right) \cdot \left(\beta + 3\right)}{1 + \beta}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 68000000.0)
   (/ (/ 1.0 (+ 2.0 beta)) (/ (* (+ 2.0 beta) (+ beta 3.0)) (+ 1.0 beta)))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta))) (+ beta 4.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 68000000.0) {
		tmp = (1.0 / (2.0 + beta)) / (((2.0 + beta) * (beta + 3.0)) / (1.0 + beta));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 68000000.0d0) then
        tmp = (1.0d0 / (2.0d0 + beta)) / (((2.0d0 + beta) * (beta + 3.0d0)) / (1.0d0 + beta))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / (beta + 4.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 68000000.0) {
		tmp = (1.0 / (2.0 + beta)) / (((2.0 + beta) * (beta + 3.0)) / (1.0 + beta));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 68000000.0:
		tmp = (1.0 / (2.0 + beta)) / (((2.0 + beta) * (beta + 3.0)) / (1.0 + beta))
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 68000000.0)
		tmp = Float64(Float64(1.0 / Float64(2.0 + beta)) / Float64(Float64(Float64(2.0 + beta) * Float64(beta + 3.0)) / Float64(1.0 + beta)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(beta + 4.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 68000000.0)
		tmp = (1.0 / (2.0 + beta)) / (((2.0 + beta) * (beta + 3.0)) / (1.0 + beta));
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 68000000.0], N[(N[(1.0 / N[(2.0 + beta), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(2.0 + beta), $MachinePrecision] * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision] / N[(1.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(beta + 4.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 68000000:\\
\;\;\;\;\frac{\frac{1}{2 + \beta}}{\frac{\left(2 + \beta\right) \cdot \left(\beta + 3\right)}{1 + \beta}}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 6.8e7

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.2%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.6%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.6%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.6%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.6%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/99.2%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative99.2%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.2%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative99.2%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.8%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.8%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.8%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.8%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.8%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in alpha around 0 64.7%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
    11. Taylor expanded in alpha around 0 64.7%

      \[\leadsto \frac{\color{blue}{\frac{1}{2 + \beta}}}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}} \]
    12. Step-by-step derivation
      1. +-commutative3.3%

        \[\leadsto \frac{\frac{1}{\color{blue}{\beta + 2}}}{\beta} \]
    13. Simplified64.7%

      \[\leadsto \frac{\color{blue}{\frac{1}{\beta + 2}}}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}} \]

    if 6.8e7 < beta

    1. Initial program 83.4%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/79.4%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*60.6%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative60.6%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+60.6%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+60.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative60.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in60.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative60.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative60.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in60.6%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative60.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.5%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.5%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.5%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.5%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.5%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.5%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.5%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in alpha around 0 82.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
    11. Step-by-step derivation
      1. associate-/l*87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{2 + \beta}{\frac{1 + \beta}{3 + \beta}}}} \]
      2. +-commutative87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\beta + 2}}{\frac{1 + \beta}{3 + \beta}}} \]
      3. +-commutative87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\beta + 2}{\frac{1 + \beta}{\color{blue}{\beta + 3}}}} \]
    12. Simplified87.6%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}}} \]
    13. Taylor expanded in beta around inf 87.6%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{4 + \beta}} \]
    14. Step-by-step derivation
      1. +-commutative87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
    15. Simplified87.6%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification72.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 68000000:\\ \;\;\;\;\frac{\frac{1}{2 + \beta}}{\frac{\left(2 + \beta\right) \cdot \left(\beta + 3\right)}{1 + \beta}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \]

Alternative 6: 98.3% accurate, 1.8× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 65000000:\\ \;\;\;\;\frac{\frac{1}{2 + \beta}}{\frac{2 + \beta}{\frac{1 + \beta}{\beta + 3}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 65000000.0)
   (/ (/ 1.0 (+ 2.0 beta)) (/ (+ 2.0 beta) (/ (+ 1.0 beta) (+ beta 3.0))))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta))) (+ beta 4.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 65000000.0) {
		tmp = (1.0 / (2.0 + beta)) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 65000000.0d0) then
        tmp = (1.0d0 / (2.0d0 + beta)) / ((2.0d0 + beta) / ((1.0d0 + beta) / (beta + 3.0d0)))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / (beta + 4.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 65000000.0) {
		tmp = (1.0 / (2.0 + beta)) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 65000000.0:
		tmp = (1.0 / (2.0 + beta)) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)))
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 65000000.0)
		tmp = Float64(Float64(1.0 / Float64(2.0 + beta)) / Float64(Float64(2.0 + beta) / Float64(Float64(1.0 + beta) / Float64(beta + 3.0))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(beta + 4.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 65000000.0)
		tmp = (1.0 / (2.0 + beta)) / ((2.0 + beta) / ((1.0 + beta) / (beta + 3.0)));
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 65000000.0], N[(N[(1.0 / N[(2.0 + beta), $MachinePrecision]), $MachinePrecision] / N[(N[(2.0 + beta), $MachinePrecision] / N[(N[(1.0 + beta), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(beta + 4.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 65000000:\\
\;\;\;\;\frac{\frac{1}{2 + \beta}}{\frac{2 + \beta}{\frac{1 + \beta}{\beta + 3}}}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 6.5e7

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.2%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.6%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.6%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.6%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.6%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/99.2%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative99.2%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.2%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative99.2%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.8%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.8%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.8%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.8%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.8%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in alpha around 0 64.7%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
    11. Step-by-step derivation
      1. associate-/l*64.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{2 + \beta}{\frac{1 + \beta}{3 + \beta}}}} \]
      2. +-commutative64.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\beta + 2}}{\frac{1 + \beta}{3 + \beta}}} \]
      3. +-commutative64.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\beta + 2}{\frac{1 + \beta}{\color{blue}{\beta + 3}}}} \]
    12. Simplified64.7%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}}} \]
    13. Taylor expanded in alpha around 0 64.7%

      \[\leadsto \frac{\color{blue}{\frac{1}{2 + \beta}}}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}} \]
    14. Step-by-step derivation
      1. +-commutative3.3%

        \[\leadsto \frac{\frac{1}{\color{blue}{\beta + 2}}}{\beta} \]
    15. Simplified64.7%

      \[\leadsto \frac{\color{blue}{\frac{1}{\beta + 2}}}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}} \]

    if 6.5e7 < beta

    1. Initial program 83.4%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/79.4%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*60.6%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative60.6%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+60.6%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+60.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative60.6%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in60.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative60.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative60.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in60.6%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative60.6%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.5%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.5%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.5%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.5%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.5%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.5%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.5%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in alpha around 0 82.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
    11. Step-by-step derivation
      1. associate-/l*87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{2 + \beta}{\frac{1 + \beta}{3 + \beta}}}} \]
      2. +-commutative87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\beta + 2}}{\frac{1 + \beta}{3 + \beta}}} \]
      3. +-commutative87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\beta + 2}{\frac{1 + \beta}{\color{blue}{\beta + 3}}}} \]
    12. Simplified87.6%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}}} \]
    13. Taylor expanded in beta around inf 87.6%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{4 + \beta}} \]
    14. Step-by-step derivation
      1. +-commutative87.6%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
    15. Simplified87.6%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification72.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 65000000:\\ \;\;\;\;\frac{\frac{1}{2 + \beta}}{\frac{2 + \beta}{\frac{1 + \beta}{\beta + 3}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \]

Alternative 7: 98.4% accurate, 1.8× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.9:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + 2}}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 2.9)
   (/ (/ (+ 1.0 alpha) (+ alpha 2.0)) (* (+ alpha (+ beta 3.0)) (+ alpha 2.0)))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta))) (+ beta 4.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.9) {
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 2.9d0) then
        tmp = ((1.0d0 + alpha) / (alpha + 2.0d0)) / ((alpha + (beta + 3.0d0)) * (alpha + 2.0d0))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / (beta + 4.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.9) {
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 2.9:
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0))
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 2.9)
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + 2.0)) / Float64(Float64(alpha + Float64(beta + 3.0)) * Float64(alpha + 2.0)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(beta + 4.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 2.9)
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 2.9], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision] / N[(N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision] * N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(beta + 4.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.9:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + 2}}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.89999999999999991

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]

    if 2.89999999999999991 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in alpha around 0 83.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
    11. Step-by-step derivation
      1. associate-/l*88.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{2 + \beta}{\frac{1 + \beta}{3 + \beta}}}} \]
      2. +-commutative88.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\beta + 2}}{\frac{1 + \beta}{3 + \beta}}} \]
      3. +-commutative88.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\beta + 2}{\frac{1 + \beta}{\color{blue}{\beta + 3}}}} \]
    12. Simplified88.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}}} \]
    13. Taylor expanded in beta around inf 86.7%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{4 + \beta}} \]
    14. Step-by-step derivation
      1. +-commutative86.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
    15. Simplified86.7%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification94.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.9:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + 2}}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \]

Alternative 8: 98.7% accurate, 1.8× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 5.2:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + 2}}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\beta + 4\right) + \alpha \cdot 2}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 5.2)
   (/ (/ (+ 1.0 alpha) (+ alpha 2.0)) (* (+ alpha (+ beta 3.0)) (+ alpha 2.0)))
   (/
    (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta)))
    (+ (+ beta 4.0) (* alpha 2.0)))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 5.2) {
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0));
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 5.2d0) then
        tmp = ((1.0d0 + alpha) / (alpha + 2.0d0)) / ((alpha + (beta + 3.0d0)) * (alpha + 2.0d0))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / ((beta + 4.0d0) + (alpha * 2.0d0))
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 5.2) {
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0));
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 5.2:
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0))
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0))
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 5.2)
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + 2.0)) / Float64(Float64(alpha + Float64(beta + 3.0)) * Float64(alpha + 2.0)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(Float64(beta + 4.0) + Float64(alpha * 2.0)));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 5.2)
		tmp = ((1.0 + alpha) / (alpha + 2.0)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / ((beta + 4.0) + (alpha * 2.0));
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 5.2], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision] / N[(N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision] * N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(beta + 4.0), $MachinePrecision] + N[(alpha * 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 5.2:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + 2}}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\beta + 4\right) + \alpha \cdot 2}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 5.20000000000000018

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]

    if 5.20000000000000018 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 87.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{4 + \left(\beta + 2 \cdot \alpha\right)}} \]
    11. Step-by-step derivation
      1. associate-+r+87.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(4 + \beta\right) + 2 \cdot \alpha}} \]
    12. Simplified87.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(4 + \beta\right) + 2 \cdot \alpha}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification94.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 5.2:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + 2}}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\beta + 4\right) + \alpha \cdot 2}\\ \end{array} \]

Alternative 9: 98.0% accurate, 2.1× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 1.3:\\ \;\;\;\;\frac{0.5 + \alpha \cdot 0.25}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 1.3)
   (/ (+ 0.5 (* alpha 0.25)) (* (+ alpha (+ beta 3.0)) (+ alpha 2.0)))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta))) (+ beta 4.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.3) {
		tmp = (0.5 + (alpha * 0.25)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 1.3d0) then
        tmp = (0.5d0 + (alpha * 0.25d0)) / ((alpha + (beta + 3.0d0)) * (alpha + 2.0d0))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / (beta + 4.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.3) {
		tmp = (0.5 + (alpha * 0.25)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 1.3:
		tmp = (0.5 + (alpha * 0.25)) / ((alpha + (beta + 3.0)) * (alpha + 2.0))
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 1.3)
		tmp = Float64(Float64(0.5 + Float64(alpha * 0.25)) / Float64(Float64(alpha + Float64(beta + 3.0)) * Float64(alpha + 2.0)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(beta + 4.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 1.3)
		tmp = (0.5 + (alpha * 0.25)) / ((alpha + (beta + 3.0)) * (alpha + 2.0));
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 1.3], N[(N[(0.5 + N[(alpha * 0.25), $MachinePrecision]), $MachinePrecision] / N[(N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision] * N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(beta + 4.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 1.3:\\
\;\;\;\;\frac{0.5 + \alpha \cdot 0.25}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 1.30000000000000004

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.2%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    8. Taylor expanded in alpha around 0 82.4%

      \[\leadsto \frac{\color{blue}{0.5 + 0.25 \cdot \alpha}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    9. Step-by-step derivation
      1. *-commutative82.4%

        \[\leadsto \frac{0.5 + \color{blue}{\alpha \cdot 0.25}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    10. Simplified82.4%

      \[\leadsto \frac{\color{blue}{0.5 + \alpha \cdot 0.25}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]

    if 1.30000000000000004 < beta

    1. Initial program 84.1%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*62.3%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative62.3%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+62.3%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+62.3%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in62.3%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative62.3%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.9%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.9%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/90.0%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative90.0%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr90.0%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.9%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in alpha around 0 82.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
    11. Step-by-step derivation
      1. associate-/l*87.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{2 + \beta}{\frac{1 + \beta}{3 + \beta}}}} \]
      2. +-commutative87.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\beta + 2}}{\frac{1 + \beta}{3 + \beta}}} \]
      3. +-commutative87.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\beta + 2}{\frac{1 + \beta}{\color{blue}{\beta + 3}}}} \]
    12. Simplified87.1%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}}} \]
    13. Taylor expanded in beta around inf 85.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{4 + \beta}} \]
    14. Step-by-step derivation
      1. +-commutative85.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
    15. Simplified85.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification83.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 1.3:\\ \;\;\;\;\frac{0.5 + \alpha \cdot 0.25}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\alpha + 2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \]

Alternative 10: 97.5% accurate, 2.3× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 1.2:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 1.2)
   (/ 0.25 (+ beta 3.0))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta))) (+ beta 4.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.2) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 1.2d0) then
        tmp = 0.25d0 / (beta + 3.0d0)
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / (beta + 4.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.2) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 1.2:
		tmp = 0.25 / (beta + 3.0)
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 1.2)
		tmp = Float64(0.25 / Float64(beta + 3.0));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / Float64(beta + 4.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 1.2)
		tmp = 0.25 / (beta + 3.0);
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / (beta + 4.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 1.2], N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(beta + 4.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 1.2:\\
\;\;\;\;\frac{0.25}{\beta + 3}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 1.19999999999999996

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.2%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    8. Taylor expanded in alpha around 0 64.2%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    9. Step-by-step derivation
      1. +-commutative64.2%

        \[\leadsto \frac{0.25}{\color{blue}{\beta + 3}} \]
    10. Simplified64.2%

      \[\leadsto \color{blue}{\frac{0.25}{\beta + 3}} \]

    if 1.19999999999999996 < beta

    1. Initial program 84.1%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*62.3%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative62.3%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+62.3%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+62.3%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative62.3%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in62.3%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative62.3%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.9%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.9%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/90.0%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative90.0%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr90.0%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.9%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in alpha around 0 82.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}{1 + \beta}}} \]
    11. Step-by-step derivation
      1. associate-/l*87.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{2 + \beta}{\frac{1 + \beta}{3 + \beta}}}} \]
      2. +-commutative87.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\beta + 2}}{\frac{1 + \beta}{3 + \beta}}} \]
      3. +-commutative87.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\beta + 2}{\frac{1 + \beta}{\color{blue}{\beta + 3}}}} \]
    12. Simplified87.1%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\frac{\beta + 2}{\frac{1 + \beta}{\beta + 3}}}} \]
    13. Taylor expanded in beta around inf 85.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{4 + \beta}} \]
    14. Step-by-step derivation
      1. +-commutative85.8%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
    15. Simplified85.8%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta + 4}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 1.2:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta + 4}\\ \end{array} \]

Alternative 11: 97.0% accurate, 2.7× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.5)
   (/ 0.25 (+ beta 3.0))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta))) beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.5d0) then
        tmp = 0.25d0 / (beta + 3.0d0)
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 4.5:
		tmp = 0.25 / (beta + 3.0)
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.5)
		tmp = Float64(0.25 / Float64(beta + 3.0));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.5)
		tmp = 0.25 / (beta + 3.0);
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 4.5], N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.5:\\
\;\;\;\;\frac{0.25}{\beta + 3}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.5

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    8. Taylor expanded in alpha around 0 63.8%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    9. Step-by-step derivation
      1. +-commutative63.8%

        \[\leadsto \frac{0.25}{\color{blue}{\beta + 3}} \]
    10. Simplified63.8%

      \[\leadsto \color{blue}{\frac{0.25}{\beta + 3}} \]

    if 4.5 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 85.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\beta}\\ \end{array} \]

Alternative 12: 91.5% accurate, 3.9× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(2 + \beta\right)}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.5) (/ 0.25 (+ beta 3.0)) (/ 1.0 (* beta (+ 2.0 beta)))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = 1.0 / (beta * (2.0 + beta));
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.5d0) then
        tmp = 0.25d0 / (beta + 3.0d0)
    else
        tmp = 1.0d0 / (beta * (2.0d0 + beta))
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = 1.0 / (beta * (2.0 + beta));
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 4.5:
		tmp = 0.25 / (beta + 3.0)
	else:
		tmp = 1.0 / (beta * (2.0 + beta))
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.5)
		tmp = Float64(0.25 / Float64(beta + 3.0));
	else
		tmp = Float64(1.0 / Float64(beta * Float64(2.0 + beta)));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.5)
		tmp = 0.25 / (beta + 3.0);
	else
		tmp = 1.0 / (beta * (2.0 + beta));
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 4.5], N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(beta * N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.5:\\
\;\;\;\;\frac{0.25}{\beta + 3}\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{\beta \cdot \left(2 + \beta\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.5

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    8. Taylor expanded in alpha around 0 63.8%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    9. Step-by-step derivation
      1. +-commutative63.8%

        \[\leadsto \frac{0.25}{\color{blue}{\beta + 3}} \]
    10. Simplified63.8%

      \[\leadsto \color{blue}{\frac{0.25}{\beta + 3}} \]

    if 4.5 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 85.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta}} \]
    11. Taylor expanded in alpha around 0 76.8%

      \[\leadsto \color{blue}{\frac{1}{\beta \cdot \left(2 + \beta\right)}} \]
    12. Step-by-step derivation
      1. +-commutative76.8%

        \[\leadsto \frac{1}{\beta \cdot \color{blue}{\left(\beta + 2\right)}} \]
    13. Simplified76.8%

      \[\leadsto \color{blue}{\frac{1}{\beta \cdot \left(\beta + 2\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification68.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(2 + \beta\right)}\\ \end{array} \]

Alternative 13: 91.9% accurate, 3.9× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{2 + \beta}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.5) (/ 0.25 (+ beta 3.0)) (/ (/ 1.0 (+ 2.0 beta)) beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = (1.0 / (2.0 + beta)) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.5d0) then
        tmp = 0.25d0 / (beta + 3.0d0)
    else
        tmp = (1.0d0 / (2.0d0 + beta)) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = (1.0 / (2.0 + beta)) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 4.5:
		tmp = 0.25 / (beta + 3.0)
	else:
		tmp = (1.0 / (2.0 + beta)) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.5)
		tmp = Float64(0.25 / Float64(beta + 3.0));
	else
		tmp = Float64(Float64(1.0 / Float64(2.0 + beta)) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.5)
		tmp = 0.25 / (beta + 3.0);
	else
		tmp = (1.0 / (2.0 + beta)) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 4.5], N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 / N[(2.0 + beta), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.5:\\
\;\;\;\;\frac{0.25}{\beta + 3}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1}{2 + \beta}}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.5

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    8. Taylor expanded in alpha around 0 63.8%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    9. Step-by-step derivation
      1. +-commutative63.8%

        \[\leadsto \frac{0.25}{\color{blue}{\beta + 3}} \]
    10. Simplified63.8%

      \[\leadsto \color{blue}{\frac{0.25}{\beta + 3}} \]

    if 4.5 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 85.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta}} \]
    11. Taylor expanded in alpha around 0 77.3%

      \[\leadsto \frac{\color{blue}{\frac{1}{2 + \beta}}}{\beta} \]
    12. Step-by-step derivation
      1. +-commutative77.3%

        \[\leadsto \frac{\frac{1}{\color{blue}{\beta + 2}}}{\beta} \]
    13. Simplified77.3%

      \[\leadsto \frac{\color{blue}{\frac{1}{\beta + 2}}}{\beta} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification68.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{2 + \beta}}{\beta}\\ \end{array} \]

Alternative 14: 96.9% accurate, 3.9× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 6:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 6.0) (/ 0.25 (+ beta 3.0)) (/ (/ (+ 1.0 alpha) beta) beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 6.0) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / beta) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 6.0d0) then
        tmp = 0.25d0 / (beta + 3.0d0)
    else
        tmp = ((1.0d0 + alpha) / beta) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 6.0) {
		tmp = 0.25 / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / beta) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 6.0:
		tmp = 0.25 / (beta + 3.0)
	else:
		tmp = ((1.0 + alpha) / beta) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 6.0)
		tmp = Float64(0.25 / Float64(beta + 3.0));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / beta) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 6.0)
		tmp = 0.25 / (beta + 3.0);
	else
		tmp = ((1.0 + alpha) / beta) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 6.0], N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / beta), $MachinePrecision] / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 6:\\
\;\;\;\;\frac{0.25}{\beta + 3}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 6

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/r*98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
      3. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
      4. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
      5. associate-+r+98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
      6. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
      7. +-commutative98.9%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
      8. frac-times98.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      9. *-un-lft-identity98.3%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      14. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      15. +-commutative98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      16. associate-+r+98.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    7. Taylor expanded in beta around 0 98.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    8. Taylor expanded in alpha around 0 63.8%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    9. Step-by-step derivation
      1. +-commutative63.8%

        \[\leadsto \frac{0.25}{\color{blue}{\beta + 3}} \]
    10. Simplified63.8%

      \[\leadsto \color{blue}{\frac{0.25}{\beta + 3}} \]

    if 6 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 85.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta}} \]
    11. Taylor expanded in beta around inf 85.3%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\beta} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 6:\\ \;\;\;\;\frac{0.25}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{\beta}\\ \end{array} \]

Alternative 15: 47.2% accurate, 5.0× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 11.5:\\ \;\;\;\;0.08333333333333333 + \alpha \cdot -0.041666666666666664\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 11.5)
   (+ 0.08333333333333333 (* alpha -0.041666666666666664))
   (/ 1.0 beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 11.5) {
		tmp = 0.08333333333333333 + (alpha * -0.041666666666666664);
	} else {
		tmp = 1.0 / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 11.5d0) then
        tmp = 0.08333333333333333d0 + (alpha * (-0.041666666666666664d0))
    else
        tmp = 1.0d0 / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 11.5) {
		tmp = 0.08333333333333333 + (alpha * -0.041666666666666664);
	} else {
		tmp = 1.0 / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 11.5:
		tmp = 0.08333333333333333 + (alpha * -0.041666666666666664)
	else:
		tmp = 1.0 / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 11.5)
		tmp = Float64(0.08333333333333333 + Float64(alpha * -0.041666666666666664));
	else
		tmp = Float64(1.0 / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 11.5)
		tmp = 0.08333333333333333 + (alpha * -0.041666666666666664);
	else
		tmp = 1.0 / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 11.5], N[(0.08333333333333333 + N[(alpha * -0.041666666666666664), $MachinePrecision]), $MachinePrecision], N[(1.0 / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 11.5:\\
\;\;\;\;0.08333333333333333 + \alpha \cdot -0.041666666666666664\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 11.5

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Taylor expanded in alpha around 0 64.4%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}} \]
    6. Step-by-step derivation
      1. +-commutative64.4%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{1}{\left(2 + \beta\right) \cdot \color{blue}{\left(\beta + 3\right)}} \]
    7. Simplified64.4%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(\beta + 3\right)}} \]
    8. Taylor expanded in beta around 0 64.4%

      \[\leadsto \color{blue}{\frac{0.16666666666666666}{2 + \alpha}} \]
    9. Taylor expanded in alpha around 0 62.6%

      \[\leadsto \color{blue}{0.08333333333333333 + -0.041666666666666664 \cdot \alpha} \]
    10. Step-by-step derivation
      1. *-commutative62.6%

        \[\leadsto 0.08333333333333333 + \color{blue}{\alpha \cdot -0.041666666666666664} \]
    11. Simplified62.6%

      \[\leadsto \color{blue}{0.08333333333333333 + \alpha \cdot -0.041666666666666664} \]

    if 11.5 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 85.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta}} \]
    11. Taylor expanded in alpha around inf 7.0%

      \[\leadsto \color{blue}{\frac{1}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification43.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 11.5:\\ \;\;\;\;0.08333333333333333 + \alpha \cdot -0.041666666666666664\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta}\\ \end{array} \]

Alternative 16: 47.1% accurate, 6.9× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 12:\\ \;\;\;\;0.08333333333333333\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 12.0) 0.08333333333333333 (/ 1.0 beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 12.0) {
		tmp = 0.08333333333333333;
	} else {
		tmp = 1.0 / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 12.0d0) then
        tmp = 0.08333333333333333d0
    else
        tmp = 1.0d0 / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 12.0) {
		tmp = 0.08333333333333333;
	} else {
		tmp = 1.0 / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 12.0:
		tmp = 0.08333333333333333
	else:
		tmp = 1.0 / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 12.0)
		tmp = 0.08333333333333333;
	else
		tmp = Float64(1.0 / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 12.0)
		tmp = 0.08333333333333333;
	else
		tmp = 1.0 / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 12.0], 0.08333333333333333, N[(1.0 / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 12:\\
\;\;\;\;0.08333333333333333\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 12

    1. Initial program 99.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/99.3%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*95.5%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+95.5%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative95.5%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in95.5%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative95.5%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac99.2%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Taylor expanded in beta around 0 98.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Taylor expanded in alpha around 0 64.4%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}} \]
    6. Step-by-step derivation
      1. +-commutative64.4%

        \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{1}{\left(2 + \beta\right) \cdot \color{blue}{\left(\beta + 3\right)}} \]
    7. Simplified64.4%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(\beta + 3\right)}} \]
    8. Taylor expanded in beta around 0 64.4%

      \[\leadsto \color{blue}{\frac{0.16666666666666666}{2 + \alpha}} \]
    9. Taylor expanded in alpha around 0 63.3%

      \[\leadsto \color{blue}{0.08333333333333333} \]

    if 12 < beta

    1. Initial program 84.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/80.0%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
      3. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      4. associate-+l+61.9%

        \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      5. associate-+r+61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      6. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      7. distribute-rgt1-in61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      8. +-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      9. *-commutative61.9%

        \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      10. distribute-rgt1-in61.9%

        \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      11. +-commutative61.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
      12. times-frac89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Simplified89.8%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    4. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto \color{blue}{\frac{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative89.9%

        \[\leadsto \frac{\frac{\color{blue}{1 + \beta}}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr89.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \left(\alpha + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*r/89.8%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. *-commutative89.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)}} \]
      3. associate-/r*99.7%

        \[\leadsto \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      4. +-commutative99.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      7. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\alpha + \beta\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \color{blue}{\left(\beta + \alpha\right)}} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 2\right)} \]
      10. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\alpha + \color{blue}{\left(2 + \beta\right)}} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) + \alpha}} \]
    7. Simplified99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \cdot \frac{1 + \beta}{\left(2 + \beta\right) + \alpha}} \]
    8. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      3. associate-+r+99.7%

        \[\leadsto \frac{1 + \beta}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      4. clear-num99.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta}}} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{3 + \left(\beta + \alpha\right)} \]
      5. frac-times99.7%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
      6. *-un-lft-identity99.7%

        \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      7. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      8. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      9. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\frac{\beta + \left(2 + \alpha\right)}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      10. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\left(\beta + 2\right) + \alpha}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      11. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(\beta + 2\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      12. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \color{blue}{\left(2 + \beta\right)}}{1 + \beta} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
      13. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
      14. +-commutative99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
      15. associate-+r+99.7%

        \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
    9. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{1 + \beta} \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    10. Taylor expanded in beta around inf 85.4%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\beta}} \]
    11. Taylor expanded in alpha around inf 7.0%

      \[\leadsto \color{blue}{\frac{1}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification44.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 12:\\ \;\;\;\;0.08333333333333333\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta}\\ \end{array} \]

Alternative 17: 45.7% accurate, 7.0× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \frac{0.16666666666666666}{\alpha + 2} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta) :precision binary64 (/ 0.16666666666666666 (+ alpha 2.0)))
assert(alpha < beta);
double code(double alpha, double beta) {
	return 0.16666666666666666 / (alpha + 2.0);
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.16666666666666666d0 / (alpha + 2.0d0)
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	return 0.16666666666666666 / (alpha + 2.0);
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	return 0.16666666666666666 / (alpha + 2.0)
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	return Float64(0.16666666666666666 / Float64(alpha + 2.0))
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	tmp = 0.16666666666666666 / (alpha + 2.0);
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := N[(0.16666666666666666 / N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\frac{0.16666666666666666}{\alpha + 2}
\end{array}
Derivation
  1. Initial program 94.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Step-by-step derivation
    1. associate-/l/92.7%

      \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    2. associate-/r*84.1%

      \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
    3. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    4. associate-+l+84.1%

      \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    5. associate-+r+84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    6. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    7. distribute-rgt1-in84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    8. +-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    9. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    10. distribute-rgt1-in84.1%

      \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    11. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    12. times-frac96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
  3. Simplified96.0%

    \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  4. Taylor expanded in beta around 0 81.8%

    \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
  5. Taylor expanded in alpha around 0 59.4%

    \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}} \]
  6. Step-by-step derivation
    1. +-commutative59.4%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{1}{\left(2 + \beta\right) \cdot \color{blue}{\left(\beta + 3\right)}} \]
  7. Simplified59.4%

    \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(\beta + 3\right)}} \]
  8. Taylor expanded in beta around 0 44.2%

    \[\leadsto \color{blue}{\frac{0.16666666666666666}{2 + \alpha}} \]
  9. Final simplification44.2%

    \[\leadsto \frac{0.16666666666666666}{\alpha + 2} \]

Alternative 18: 47.6% accurate, 7.0× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \frac{0.25}{\beta + 3} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta) :precision binary64 (/ 0.25 (+ beta 3.0)))
assert(alpha < beta);
double code(double alpha, double beta) {
	return 0.25 / (beta + 3.0);
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.25d0 / (beta + 3.0d0)
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	return 0.25 / (beta + 3.0);
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	return 0.25 / (beta + 3.0)
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	return Float64(0.25 / Float64(beta + 3.0))
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	tmp = 0.25 / (beta + 3.0);
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\frac{0.25}{\beta + 3}
\end{array}
Derivation
  1. Initial program 94.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Step-by-step derivation
    1. associate-/l/92.7%

      \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    2. associate-/r*84.1%

      \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
    3. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    4. associate-+l+84.1%

      \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    5. associate-+r+84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    6. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    7. distribute-rgt1-in84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    8. +-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    9. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    10. distribute-rgt1-in84.1%

      \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    11. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    12. times-frac96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
  3. Simplified96.0%

    \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  4. Taylor expanded in beta around 0 81.8%

    \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
  5. Step-by-step derivation
    1. associate-/r*82.3%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)}} \]
    2. +-commutative82.3%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{\color{blue}{1 + \alpha}}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 3\right)} \]
    3. +-commutative82.3%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right) + \alpha}}}{\alpha + \left(\beta + 3\right)} \]
    4. +-commutative82.3%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \beta\right)} + \alpha}}{\alpha + \left(\beta + 3\right)} \]
    5. associate-+r+82.3%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\alpha + \beta\right) + 3}} \]
    6. +-commutative82.3%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{\left(\beta + \alpha\right)} + 3} \]
    7. +-commutative82.3%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\color{blue}{3 + \left(\beta + \alpha\right)}} \]
    8. frac-times81.9%

      \[\leadsto \color{blue}{\frac{1 \cdot \frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}} \]
    9. *-un-lft-identity81.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\left(2 + \beta\right) + \alpha}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    10. +-commutative81.9%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(\beta + 2\right)} + \alpha}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    11. +-commutative81.9%

      \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    12. +-commutative81.9%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \color{blue}{\left(2 + \beta\right)}}}{\left(2 + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    13. +-commutative81.9%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\color{blue}{\left(\alpha + 2\right)} \cdot \left(3 + \left(\beta + \alpha\right)\right)} \]
    14. +-commutative81.9%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\left(\beta + \alpha\right) + 3\right)}} \]
    15. +-commutative81.9%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\color{blue}{\left(\alpha + \beta\right)} + 3\right)} \]
    16. associate-+r+81.9%

      \[\leadsto \frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}} \]
  6. Applied egg-rr81.9%

    \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  7. Taylor expanded in beta around 0 71.0%

    \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{2 + \alpha}}}{\left(\alpha + 2\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
  8. Taylor expanded in alpha around 0 44.5%

    \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
  9. Step-by-step derivation
    1. +-commutative44.5%

      \[\leadsto \frac{0.25}{\color{blue}{\beta + 3}} \]
  10. Simplified44.5%

    \[\leadsto \color{blue}{\frac{0.25}{\beta + 3}} \]
  11. Final simplification44.5%

    \[\leadsto \frac{0.25}{\beta + 3} \]

Alternative 19: 45.5% accurate, 35.0× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ 0.08333333333333333 \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta) :precision binary64 0.08333333333333333)
assert(alpha < beta);
double code(double alpha, double beta) {
	return 0.08333333333333333;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.08333333333333333d0
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	return 0.08333333333333333;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	return 0.08333333333333333
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	return 0.08333333333333333
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	tmp = 0.08333333333333333;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := 0.08333333333333333
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
0.08333333333333333
\end{array}
Derivation
  1. Initial program 94.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Step-by-step derivation
    1. associate-/l/92.7%

      \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    2. associate-/r*84.1%

      \[\leadsto \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]
    3. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    4. associate-+l+84.1%

      \[\leadsto \frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    5. associate-+r+84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right) + \left(\beta + \beta \cdot \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    6. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    7. distribute-rgt1-in84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(\alpha + 1\right) \cdot \beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    8. +-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\left(1 + \alpha\right)} \cdot \beta}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    9. *-commutative84.1%

      \[\leadsto \frac{\left(1 + \alpha\right) + \color{blue}{\beta \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    10. distribute-rgt1-in84.1%

      \[\leadsto \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    11. +-commutative84.1%

      \[\leadsto \frac{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]
    12. times-frac96.0%

      \[\leadsto \color{blue}{\frac{1 + \beta}{\left(\alpha + \beta\right) + 2 \cdot 1} \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
  3. Simplified96.0%

    \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  4. Taylor expanded in beta around 0 81.8%

    \[\leadsto \color{blue}{\frac{1}{2 + \alpha}} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
  5. Taylor expanded in alpha around 0 59.4%

    \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}} \]
  6. Step-by-step derivation
    1. +-commutative59.4%

      \[\leadsto \frac{1}{2 + \alpha} \cdot \frac{1}{\left(2 + \beta\right) \cdot \color{blue}{\left(\beta + 3\right)}} \]
  7. Simplified59.4%

    \[\leadsto \frac{1}{2 + \alpha} \cdot \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(\beta + 3\right)}} \]
  8. Taylor expanded in beta around 0 44.2%

    \[\leadsto \color{blue}{\frac{0.16666666666666666}{2 + \alpha}} \]
  9. Taylor expanded in alpha around 0 43.2%

    \[\leadsto \color{blue}{0.08333333333333333} \]
  10. Final simplification43.2%

    \[\leadsto 0.08333333333333333 \]

Reproduce

?
herbie shell --seed 2023309 
(FPCore (alpha beta)
  :name "Octave 3.8, jcobi/3"
  :precision binary64
  :pre (and (> alpha -1.0) (> beta -1.0))
  (/ (/ (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) (+ (+ alpha beta) (* 2.0 1.0))) (+ (+ alpha beta) (* 2.0 1.0))) (+ (+ (+ alpha beta) (* 2.0 1.0)) 1.0)))