Octave 3.8, jcobi/3

Percentage Accurate: 94.1% → 99.8%
Time: 18.5s
Alternatives: 20
Speedup: 1.4×

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 20 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: 94.1% 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?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + 2\right) + \beta\\ \frac{\frac{1 + \alpha}{t\_0} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{t\_0} \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha 2.0) beta)))
   (/ (* (/ (+ 1.0 alpha) t_0) (/ (+ 1.0 beta) (+ (+ alpha beta) 3.0))) t_0)))
double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	return (((1.0 + alpha) / t_0) * ((1.0 + beta) / ((alpha + beta) + 3.0))) / t_0;
}
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) * ((1.0d0 + beta) / ((alpha + beta) + 3.0d0))) / t_0
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	return (((1.0 + alpha) / t_0) * ((1.0 + beta) / ((alpha + beta) + 3.0))) / t_0;
}
def code(alpha, beta):
	t_0 = (alpha + 2.0) + beta
	return (((1.0 + alpha) / t_0) * ((1.0 + beta) / ((alpha + beta) + 3.0))) / t_0
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + 2.0) + beta)
	return Float64(Float64(Float64(Float64(1.0 + alpha) / t_0) * Float64(Float64(1.0 + beta) / Float64(Float64(alpha + beta) + 3.0))) / t_0)
end
function tmp = code(alpha, beta)
	t_0 = (alpha + 2.0) + beta;
	tmp = (((1.0 + alpha) / t_0) * ((1.0 + beta) / ((alpha + beta) + 3.0))) / t_0;
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + 2.0), $MachinePrecision] + beta), $MachinePrecision]}, N[(N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] * N[(N[(1.0 + beta), $MachinePrecision] / N[(N[(alpha + beta), $MachinePrecision] + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + 2\right) + \beta\\
\frac{\frac{1 + \alpha}{t\_0} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{t\_0}
\end{array}
\end{array}
Derivation
  1. Initial program 92.9%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Simplified84.6%

    \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. times-frac96.5%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\beta + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. +-commutative96.5%

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

    \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  6. Step-by-step derivation
    1. associate-*l/96.5%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)}} \]
    2. +-commutative96.5%

      \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
    3. +-commutative96.5%

      \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
    4. associate-+l+96.5%

      \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + \left(2 + \alpha\right)\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
    5. +-commutative96.5%

      \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \color{blue}{\left(\alpha + 2\right)}\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
    6. +-commutative96.5%

      \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
    7. associate-+l+96.5%

      \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\beta + \left(2 + \alpha\right)}} \]
    8. +-commutative96.5%

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

    \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
  8. Step-by-step derivation
    1. associate-*r/92.2%

      \[\leadsto \frac{\color{blue}{\frac{\left(1 + \alpha\right) \cdot \left(1 + \beta\right)}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}}{\beta + \left(\alpha + 2\right)} \]
    2. times-frac99.8%

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

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

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

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

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

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

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

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

Alternative 2: 91.9% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + 2\right) + \beta\\ \mathbf{if}\;\beta \leq 4.4 \cdot 10^{+38}:\\ \;\;\;\;\left(1 + \alpha\right) \cdot \frac{\frac{\frac{1 + \beta}{t\_0}}{\left(\alpha + \beta\right) + 3}}{t\_0}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{t\_0} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{t\_0}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha 2.0) beta)))
   (if (<= beta 4.4e+38)
     (* (+ 1.0 alpha) (/ (/ (/ (+ 1.0 beta) t_0) (+ (+ alpha beta) 3.0)) t_0))
     (/ (* (/ (+ 1.0 alpha) t_0) (- 1.0 (/ (+ alpha 2.0) beta))) t_0))))
double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	double tmp;
	if (beta <= 4.4e+38) {
		tmp = (1.0 + alpha) * ((((1.0 + beta) / t_0) / ((alpha + beta) + 3.0)) / t_0);
	} else {
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: tmp
    t_0 = (alpha + 2.0d0) + beta
    if (beta <= 4.4d+38) then
        tmp = (1.0d0 + alpha) * ((((1.0d0 + beta) / t_0) / ((alpha + beta) + 3.0d0)) / t_0)
    else
        tmp = (((1.0d0 + alpha) / t_0) * (1.0d0 - ((alpha + 2.0d0) / beta))) / t_0
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	double tmp;
	if (beta <= 4.4e+38) {
		tmp = (1.0 + alpha) * ((((1.0 + beta) / t_0) / ((alpha + beta) + 3.0)) / t_0);
	} else {
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	}
	return tmp;
}
def code(alpha, beta):
	t_0 = (alpha + 2.0) + beta
	tmp = 0
	if beta <= 4.4e+38:
		tmp = (1.0 + alpha) * ((((1.0 + beta) / t_0) / ((alpha + beta) + 3.0)) / t_0)
	else:
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0
	return tmp
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + 2.0) + beta)
	tmp = 0.0
	if (beta <= 4.4e+38)
		tmp = Float64(Float64(1.0 + alpha) * Float64(Float64(Float64(Float64(1.0 + beta) / t_0) / Float64(Float64(alpha + beta) + 3.0)) / t_0));
	else
		tmp = Float64(Float64(Float64(Float64(1.0 + alpha) / t_0) * Float64(1.0 - Float64(Float64(alpha + 2.0) / beta))) / t_0);
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	t_0 = (alpha + 2.0) + beta;
	tmp = 0.0;
	if (beta <= 4.4e+38)
		tmp = (1.0 + alpha) * ((((1.0 + beta) / t_0) / ((alpha + beta) + 3.0)) / t_0);
	else
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + 2.0), $MachinePrecision] + beta), $MachinePrecision]}, If[LessEqual[beta, 4.4e+38], N[(N[(1.0 + alpha), $MachinePrecision] * N[(N[(N[(N[(1.0 + beta), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(N[(alpha + beta), $MachinePrecision] + 3.0), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] * N[(1.0 - N[(N[(alpha + 2.0), $MachinePrecision] / beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + 2\right) + \beta\\
\mathbf{if}\;\beta \leq 4.4 \cdot 10^{+38}:\\
\;\;\;\;\left(1 + \alpha\right) \cdot \frac{\frac{\frac{1 + \beta}{t\_0}}{\left(\alpha + \beta\right) + 3}}{t\_0}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{t\_0} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{t\_0}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.40000000000000013e38

    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. Simplified96.3%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.6%

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

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*l/99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      4. associate-+l+99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
      7. associate-+l+99.6%

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \color{blue}{\left(\alpha + 2\right)}} \]
    7. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
    8. Step-by-step derivation
      1. associate-/l*96.4%

        \[\leadsto \color{blue}{\left(1 + \alpha\right) \cdot \frac{\frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
      2. associate-/r*96.3%

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

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

        \[\leadsto \left(1 + \alpha\right) \cdot \frac{\frac{\frac{1 + \beta}{\color{blue}{\left(2 + \alpha\right)} + \beta}}{\alpha + \left(\beta + 3\right)}}{\beta + \left(\alpha + 2\right)} \]
      5. associate-+r+96.3%

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

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

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

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

    if 4.40000000000000013e38 < beta

    1. Initial program 78.4%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified60.3%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac90.2%

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

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

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*l/90.2%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      4. associate-+l+90.2%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
      7. associate-+l+90.2%

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

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

      \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
    8. Step-by-step derivation
      1. associate-*r/76.9%

        \[\leadsto \frac{\color{blue}{\frac{\left(1 + \alpha\right) \cdot \left(1 + \beta\right)}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}}{\beta + \left(\alpha + 2\right)} \]
      2. times-frac99.8%

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\left(2 + \alpha\right) + \beta}} \]
    10. Taylor expanded in beta around inf 83.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \color{blue}{\left(1 + -1 \cdot \frac{2 + \alpha}{\beta}\right)}}{\left(2 + \alpha\right) + \beta} \]
    11. Step-by-step derivation
      1. associate-*r/83.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \left(1 + \color{blue}{\frac{-1 \cdot \left(2 + \alpha\right)}{\beta}}\right)}{\left(2 + \alpha\right) + \beta} \]
      2. mul-1-neg83.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \left(1 + \frac{\color{blue}{-\left(2 + \alpha\right)}}{\beta}\right)}{\left(2 + \alpha\right) + \beta} \]
    12. Simplified83.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \color{blue}{\left(1 + \frac{-\left(2 + \alpha\right)}{\beta}\right)}}{\left(2 + \alpha\right) + \beta} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification92.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.4 \cdot 10^{+38}:\\ \;\;\;\;\left(1 + \alpha\right) \cdot \frac{\frac{\frac{1 + \beta}{\left(\alpha + 2\right) + \beta}}{\left(\alpha + \beta\right) + 3}}{\left(\alpha + 2\right) + \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\left(\alpha + 2\right) + \beta} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{\left(\alpha + 2\right) + \beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 94.1% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + 2\right) + \beta\\ t_1 := \alpha + \left(2 + \beta\right)\\ \mathbf{if}\;\beta \leq 1650000000:\\ \;\;\;\;\frac{1 + \alpha}{t\_1} \cdot \frac{1 + \beta}{t\_1 \cdot \left(\alpha + \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{t\_0} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{t\_0}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha 2.0) beta)) (t_1 (+ alpha (+ 2.0 beta))))
   (if (<= beta 1650000000.0)
     (* (/ (+ 1.0 alpha) t_1) (/ (+ 1.0 beta) (* t_1 (+ alpha (+ beta 3.0)))))
     (/ (* (/ (+ 1.0 alpha) t_0) (- 1.0 (/ (+ alpha 2.0) beta))) t_0))))
double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	double t_1 = alpha + (2.0 + beta);
	double tmp;
	if (beta <= 1650000000.0) {
		tmp = ((1.0 + alpha) / t_1) * ((1.0 + beta) / (t_1 * (alpha + (beta + 3.0))));
	} else {
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: tmp
    t_0 = (alpha + 2.0d0) + beta
    t_1 = alpha + (2.0d0 + beta)
    if (beta <= 1650000000.0d0) then
        tmp = ((1.0d0 + alpha) / t_1) * ((1.0d0 + beta) / (t_1 * (alpha + (beta + 3.0d0))))
    else
        tmp = (((1.0d0 + alpha) / t_0) * (1.0d0 - ((alpha + 2.0d0) / beta))) / t_0
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	double t_1 = alpha + (2.0 + beta);
	double tmp;
	if (beta <= 1650000000.0) {
		tmp = ((1.0 + alpha) / t_1) * ((1.0 + beta) / (t_1 * (alpha + (beta + 3.0))));
	} else {
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	}
	return tmp;
}
def code(alpha, beta):
	t_0 = (alpha + 2.0) + beta
	t_1 = alpha + (2.0 + beta)
	tmp = 0
	if beta <= 1650000000.0:
		tmp = ((1.0 + alpha) / t_1) * ((1.0 + beta) / (t_1 * (alpha + (beta + 3.0))))
	else:
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0
	return tmp
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + 2.0) + beta)
	t_1 = Float64(alpha + Float64(2.0 + beta))
	tmp = 0.0
	if (beta <= 1650000000.0)
		tmp = Float64(Float64(Float64(1.0 + alpha) / t_1) * Float64(Float64(1.0 + beta) / Float64(t_1 * Float64(alpha + Float64(beta + 3.0)))));
	else
		tmp = Float64(Float64(Float64(Float64(1.0 + alpha) / t_0) * Float64(1.0 - Float64(Float64(alpha + 2.0) / beta))) / t_0);
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	t_0 = (alpha + 2.0) + beta;
	t_1 = alpha + (2.0 + beta);
	tmp = 0.0;
	if (beta <= 1650000000.0)
		tmp = ((1.0 + alpha) / t_1) * ((1.0 + beta) / (t_1 * (alpha + (beta + 3.0))));
	else
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + 2.0), $MachinePrecision] + beta), $MachinePrecision]}, Block[{t$95$1 = N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[beta, 1650000000.0], N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$1), $MachinePrecision] * N[(N[(1.0 + beta), $MachinePrecision] / N[(t$95$1 * N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] * N[(1.0 - N[(N[(alpha + 2.0), $MachinePrecision] / beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + 2\right) + \beta\\
t_1 := \alpha + \left(2 + \beta\right)\\
\mathbf{if}\;\beta \leq 1650000000:\\
\;\;\;\;\frac{1 + \alpha}{t\_1} \cdot \frac{1 + \beta}{t\_1 \cdot \left(\alpha + \left(\beta + 3\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{t\_0} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{t\_0}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 1.65e9

    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. Simplified96.2%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.6%

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

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.6%

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

    if 1.65e9 < beta

    1. Initial program 80.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified63.3%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac90.9%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\beta + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative90.9%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr90.9%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*l/90.9%

        \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)}} \]
      2. +-commutative90.9%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      3. +-commutative90.9%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      4. associate-+l+90.9%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + \left(2 + \alpha\right)\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative90.9%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \color{blue}{\left(\alpha + 2\right)}\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative90.9%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
      7. associate-+l+90.9%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\beta + \left(2 + \alpha\right)}} \]
      8. +-commutative90.9%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \color{blue}{\left(\alpha + 2\right)}} \]
    7. Applied egg-rr90.9%

      \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
    8. Step-by-step derivation
      1. associate-*r/78.6%

        \[\leadsto \frac{\color{blue}{\frac{\left(1 + \alpha\right) \cdot \left(1 + \beta\right)}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}}{\beta + \left(\alpha + 2\right)} \]
      2. times-frac99.7%

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\left(2 + \alpha\right) + \beta}} \]
    10. Taylor expanded in beta around inf 82.1%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \color{blue}{\left(1 + -1 \cdot \frac{2 + \alpha}{\beta}\right)}}{\left(2 + \alpha\right) + \beta} \]
    11. Step-by-step derivation
      1. associate-*r/82.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \left(1 + \color{blue}{\frac{-1 \cdot \left(2 + \alpha\right)}{\beta}}\right)}{\left(2 + \alpha\right) + \beta} \]
      2. mul-1-neg82.1%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \left(1 + \frac{\color{blue}{-\left(2 + \alpha\right)}}{\beta}\right)}{\left(2 + \alpha\right) + \beta} \]
    12. Simplified82.1%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \color{blue}{\left(1 + \frac{-\left(2 + \alpha\right)}{\beta}\right)}}{\left(2 + \alpha\right) + \beta} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification93.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 1650000000:\\ \;\;\;\;\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(2 + \beta\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\left(\alpha + 2\right) + \beta} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{\left(\alpha + 2\right) + \beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 72.5% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + 2\right) + \beta\\ \mathbf{if}\;\beta \leq 9 \cdot 10^{+15}:\\ \;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{t\_0}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{t\_0} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{t\_0}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha 2.0) beta)))
   (if (<= beta 9e+15)
     (/ (/ (/ (+ 1.0 beta) (+ 2.0 beta)) (+ beta 3.0)) t_0)
     (/ (* (/ (+ 1.0 alpha) t_0) (- 1.0 (/ (+ alpha 2.0) beta))) t_0))))
double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	double tmp;
	if (beta <= 9e+15) {
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / t_0;
	} else {
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: tmp
    t_0 = (alpha + 2.0d0) + beta
    if (beta <= 9d+15) then
        tmp = (((1.0d0 + beta) / (2.0d0 + beta)) / (beta + 3.0d0)) / t_0
    else
        tmp = (((1.0d0 + alpha) / t_0) * (1.0d0 - ((alpha + 2.0d0) / beta))) / t_0
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + 2.0) + beta;
	double tmp;
	if (beta <= 9e+15) {
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / t_0;
	} else {
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	}
	return tmp;
}
def code(alpha, beta):
	t_0 = (alpha + 2.0) + beta
	tmp = 0
	if beta <= 9e+15:
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / t_0
	else:
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0
	return tmp
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + 2.0) + beta)
	tmp = 0.0
	if (beta <= 9e+15)
		tmp = Float64(Float64(Float64(Float64(1.0 + beta) / Float64(2.0 + beta)) / Float64(beta + 3.0)) / t_0);
	else
		tmp = Float64(Float64(Float64(Float64(1.0 + alpha) / t_0) * Float64(1.0 - Float64(Float64(alpha + 2.0) / beta))) / t_0);
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	t_0 = (alpha + 2.0) + beta;
	tmp = 0.0;
	if (beta <= 9e+15)
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / t_0;
	else
		tmp = (((1.0 + alpha) / t_0) * (1.0 - ((alpha + 2.0) / beta))) / t_0;
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + 2.0), $MachinePrecision] + beta), $MachinePrecision]}, If[LessEqual[beta, 9e+15], N[(N[(N[(N[(1.0 + beta), $MachinePrecision] / N[(2.0 + beta), $MachinePrecision]), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision], N[(N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] * N[(1.0 - N[(N[(alpha + 2.0), $MachinePrecision] / beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + 2\right) + \beta\\
\mathbf{if}\;\beta \leq 9 \cdot 10^{+15}:\\
\;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{t\_0}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{t\_0} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{t\_0}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 9e15

    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. Simplified96.2%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.6%

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

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*l/99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      4. associate-+l+99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
      7. associate-+l+99.6%

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \color{blue}{\left(\alpha + 2\right)}} \]
    7. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
    8. Step-by-step derivation
      1. associate-*r/99.5%

        \[\leadsto \frac{\color{blue}{\frac{\left(1 + \alpha\right) \cdot \left(1 + \beta\right)}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}}{\beta + \left(\alpha + 2\right)} \]
      2. times-frac99.9%

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

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

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \alpha\right)} + \beta} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 3\right)}}{\beta + \left(\alpha + 2\right)} \]
      5. associate-+r+99.9%

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

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

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\color{blue}{\left(2 + \alpha\right)} + \beta} \]
    9. Simplified99.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\left(2 + \alpha\right) + \beta}} \]
    10. Taylor expanded in alpha around 0 65.5%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}}}{\left(2 + \alpha\right) + \beta} \]
    11. Step-by-step derivation
      1. associate-/r*65.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{1 + \beta}{2 + \beta}}{3 + \beta}}}{\left(2 + \alpha\right) + \beta} \]
      2. +-commutative65.5%

        \[\leadsto \frac{\frac{\frac{1 + \beta}{2 + \beta}}{\color{blue}{\beta + 3}}}{\left(2 + \alpha\right) + \beta} \]
      3. +-commutative65.5%

        \[\leadsto \frac{\frac{\frac{1 + \beta}{\color{blue}{\beta + 2}}}{\beta + 3}}{\left(2 + \alpha\right) + \beta} \]
    12. Simplified65.5%

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

    if 9e15 < beta

    1. Initial program 79.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified62.9%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac90.8%

        \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\beta + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      2. +-commutative90.8%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr90.8%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*l/90.8%

        \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)}} \]
      2. +-commutative90.8%

        \[\leadsto \frac{\color{blue}{\left(1 + \alpha\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      3. +-commutative90.8%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      4. associate-+l+90.8%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + \left(2 + \alpha\right)\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      5. +-commutative90.8%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \color{blue}{\left(\alpha + 2\right)}\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      6. +-commutative90.8%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
      7. associate-+l+90.8%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\beta + \left(2 + \alpha\right)}} \]
      8. +-commutative90.8%

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \color{blue}{\left(\alpha + 2\right)}} \]
    7. Applied egg-rr90.8%

      \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
    8. Step-by-step derivation
      1. associate-*r/78.4%

        \[\leadsto \frac{\color{blue}{\frac{\left(1 + \alpha\right) \cdot \left(1 + \beta\right)}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}}{\beta + \left(\alpha + 2\right)} \]
      2. times-frac99.7%

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\left(2 + \alpha\right) + \beta}} \]
    10. Taylor expanded in beta around inf 83.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \color{blue}{\left(1 + -1 \cdot \frac{2 + \alpha}{\beta}\right)}}{\left(2 + \alpha\right) + \beta} \]
    11. Step-by-step derivation
      1. associate-*r/83.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \left(1 + \color{blue}{\frac{-1 \cdot \left(2 + \alpha\right)}{\beta}}\right)}{\left(2 + \alpha\right) + \beta} \]
      2. mul-1-neg83.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \left(1 + \frac{\color{blue}{-\left(2 + \alpha\right)}}{\beta}\right)}{\left(2 + \alpha\right) + \beta} \]
    12. Simplified83.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \color{blue}{\left(1 + \frac{-\left(2 + \alpha\right)}{\beta}\right)}}{\left(2 + \alpha\right) + \beta} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 9 \cdot 10^{+15}:\\ \;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{\left(\alpha + 2\right) + \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\left(\alpha + 2\right) + \beta} \cdot \left(1 - \frac{\alpha + 2}{\beta}\right)}{\left(\alpha + 2\right) + \beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 72.5% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 5 \cdot 10^{+33}:\\ \;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{\left(\alpha + 2\right) + \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)} \cdot \frac{1 - \frac{2 \cdot \left(\alpha + 2\right)}{\beta}}{\beta}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 5e+33)
   (/ (/ (/ (+ 1.0 beta) (+ 2.0 beta)) (+ beta 3.0)) (+ (+ alpha 2.0) beta))
   (*
    (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta)))
    (/ (- 1.0 (/ (* 2.0 (+ alpha 2.0)) beta)) beta))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 5e+33) {
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) * ((1.0 - ((2.0 * (alpha + 2.0)) / beta)) / beta);
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 5d+33) then
        tmp = (((1.0d0 + beta) / (2.0d0 + beta)) / (beta + 3.0d0)) / ((alpha + 2.0d0) + beta)
    else
        tmp = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) * ((1.0d0 - ((2.0d0 * (alpha + 2.0d0)) / beta)) / beta)
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 5e+33) {
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) * ((1.0 - ((2.0 * (alpha + 2.0)) / beta)) / beta);
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 5e+33:
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta)
	else:
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) * ((1.0 - ((2.0 * (alpha + 2.0)) / beta)) / beta)
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 5e+33)
		tmp = Float64(Float64(Float64(Float64(1.0 + beta) / Float64(2.0 + beta)) / Float64(beta + 3.0)) / Float64(Float64(alpha + 2.0) + beta));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) * Float64(Float64(1.0 - Float64(Float64(2.0 * Float64(alpha + 2.0)) / beta)) / beta));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 5e+33)
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta);
	else
		tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) * ((1.0 - ((2.0 * (alpha + 2.0)) / beta)) / beta);
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 5e+33], N[(N[(N[(N[(1.0 + beta), $MachinePrecision] / N[(2.0 + beta), $MachinePrecision]), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision] / N[(N[(alpha + 2.0), $MachinePrecision] + beta), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 - N[(N[(2.0 * N[(alpha + 2.0), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 5 \cdot 10^{+33}:\\
\;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{\left(\alpha + 2\right) + \beta}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.99999999999999973e33

    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. Simplified96.3%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.6%

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

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*l/99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      4. associate-+l+99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
      7. associate-+l+99.6%

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \color{blue}{\left(\alpha + 2\right)}} \]
    7. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
    8. Step-by-step derivation
      1. associate-*r/99.5%

        \[\leadsto \frac{\color{blue}{\frac{\left(1 + \alpha\right) \cdot \left(1 + \beta\right)}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}}{\beta + \left(\alpha + 2\right)} \]
      2. times-frac99.8%

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\left(2 + \alpha\right) + \beta}} \]
    10. Taylor expanded in alpha around 0 66.5%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}}}{\left(2 + \alpha\right) + \beta} \]
    11. Step-by-step derivation
      1. associate-/r*66.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{1 + \beta}{2 + \beta}}{3 + \beta}}}{\left(2 + \alpha\right) + \beta} \]
      2. +-commutative66.5%

        \[\leadsto \frac{\frac{\frac{1 + \beta}{2 + \beta}}{\color{blue}{\beta + 3}}}{\left(2 + \alpha\right) + \beta} \]
      3. +-commutative66.5%

        \[\leadsto \frac{\frac{\frac{1 + \beta}{\color{blue}{\beta + 2}}}{\beta + 3}}{\left(2 + \alpha\right) + \beta} \]
    12. Simplified66.5%

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

    if 4.99999999999999973e33 < beta

    1. Initial program 78.7%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified60.7%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac90.3%

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

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

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Taylor expanded in beta around inf 81.8%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \color{blue}{\frac{1 + -1 \cdot \frac{4 + 2 \cdot \alpha}{\beta}}{\beta}} \]
    7. Step-by-step derivation
      1. mul-1-neg81.8%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \color{blue}{\left(-\frac{4 + 2 \cdot \alpha}{\beta}\right)}}{\beta} \]
      2. metadata-eval81.8%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \left(-\frac{\color{blue}{2 \cdot 2} + 2 \cdot \alpha}{\beta}\right)}{\beta} \]
      3. distribute-lft-in81.8%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \left(-\frac{\color{blue}{2 \cdot \left(2 + \alpha\right)}}{\beta}\right)}{\beta} \]
    8. Simplified81.8%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \color{blue}{\frac{1 + \left(-\frac{2 \cdot \left(2 + \alpha\right)}{\beta}\right)}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 5 \cdot 10^{+33}:\\ \;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{\left(\alpha + 2\right) + \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)} \cdot \frac{1 - \frac{2 \cdot \left(\alpha + 2\right)}{\beta}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 99.8% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \frac{1 + \alpha}{\alpha + \left(2 + \beta\right)} \cdot \frac{\frac{1 + \beta}{\left(\alpha + 2\right) + \beta}}{\left(\alpha + \beta\right) + 3} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (*
  (/ (+ 1.0 alpha) (+ alpha (+ 2.0 beta)))
  (/ (/ (+ 1.0 beta) (+ (+ alpha 2.0) beta)) (+ (+ alpha beta) 3.0))))
double code(double alpha, double beta) {
	return ((1.0 + alpha) / (alpha + (2.0 + beta))) * (((1.0 + beta) / ((alpha + 2.0) + beta)) / ((alpha + beta) + 3.0));
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = ((1.0d0 + alpha) / (alpha + (2.0d0 + beta))) * (((1.0d0 + beta) / ((alpha + 2.0d0) + beta)) / ((alpha + beta) + 3.0d0))
end function
public static double code(double alpha, double beta) {
	return ((1.0 + alpha) / (alpha + (2.0 + beta))) * (((1.0 + beta) / ((alpha + 2.0) + beta)) / ((alpha + beta) + 3.0));
}
def code(alpha, beta):
	return ((1.0 + alpha) / (alpha + (2.0 + beta))) * (((1.0 + beta) / ((alpha + 2.0) + beta)) / ((alpha + beta) + 3.0))
function code(alpha, beta)
	return Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(2.0 + beta))) * Float64(Float64(Float64(1.0 + beta) / Float64(Float64(alpha + 2.0) + beta)) / Float64(Float64(alpha + beta) + 3.0)))
end
function tmp = code(alpha, beta)
	tmp = ((1.0 + alpha) / (alpha + (2.0 + beta))) * (((1.0 + beta) / ((alpha + 2.0) + beta)) / ((alpha + beta) + 3.0));
end
code[alpha_, beta_] := N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(2.0 + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(N[(1.0 + beta), $MachinePrecision] / N[(N[(alpha + 2.0), $MachinePrecision] + beta), $MachinePrecision]), $MachinePrecision] / N[(N[(alpha + beta), $MachinePrecision] + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{1 + \alpha}{\alpha + \left(2 + \beta\right)} \cdot \frac{\frac{1 + \beta}{\left(\alpha + 2\right) + \beta}}{\left(\alpha + \beta\right) + 3}
\end{array}
Derivation
  1. Initial program 92.9%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Simplified84.6%

    \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. times-frac96.5%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\beta + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    2. +-commutative96.5%

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

    \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
  6. Step-by-step derivation
    1. *-un-lft-identity96.5%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \color{blue}{\left(1 \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right)} \]
    2. +-commutative96.5%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(1 \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]
    3. associate-+l+96.5%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \left(1 \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + \left(2 + \alpha\right)\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]
    4. +-commutative96.5%

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

    \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \color{blue}{\left(1 \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right)} \]
  8. Step-by-step derivation
    1. *-lft-identity96.5%

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

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

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

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

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

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

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

Alternative 7: 72.4% accurate, 1.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 8.4 \cdot 10^{+15}:\\ \;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{\left(\alpha + 2\right) + \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 8.4e+15)
   (/ (/ (/ (+ 1.0 beta) (+ 2.0 beta)) (+ beta 3.0)) (+ (+ alpha 2.0) beta))
   (/ (/ (+ 1.0 alpha) beta) (+ 1.0 (+ 2.0 (+ alpha beta))))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 8.4e+15) {
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta);
	} else {
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 8.4d+15) then
        tmp = (((1.0d0 + beta) / (2.0d0 + beta)) / (beta + 3.0d0)) / ((alpha + 2.0d0) + beta)
    else
        tmp = ((1.0d0 + alpha) / beta) / (1.0d0 + (2.0d0 + (alpha + beta)))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 8.4e+15) {
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta);
	} else {
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 8.4e+15:
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta)
	else:
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 8.4e+15)
		tmp = Float64(Float64(Float64(Float64(1.0 + beta) / Float64(2.0 + beta)) / Float64(beta + 3.0)) / Float64(Float64(alpha + 2.0) + beta));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / beta) / Float64(1.0 + Float64(2.0 + Float64(alpha + beta))));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 8.4e+15)
		tmp = (((1.0 + beta) / (2.0 + beta)) / (beta + 3.0)) / ((alpha + 2.0) + beta);
	else
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 8.4e+15], N[(N[(N[(N[(1.0 + beta), $MachinePrecision] / N[(2.0 + beta), $MachinePrecision]), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision] / N[(N[(alpha + 2.0), $MachinePrecision] + beta), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / beta), $MachinePrecision] / N[(1.0 + N[(2.0 + N[(alpha + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 8.4 \cdot 10^{+15}:\\
\;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{\left(\alpha + 2\right) + \beta}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 8.4e15

    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. Simplified96.2%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.6%

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

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Step-by-step derivation
      1. associate-*l/99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\alpha + \left(\beta + 2\right)} \]
      4. associate-+l+99.6%

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

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\color{blue}{\left(\beta + 2\right) + \alpha}} \]
      7. associate-+l+99.6%

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

        \[\leadsto \frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \color{blue}{\left(\alpha + 2\right)}} \]
    7. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\left(1 + \alpha\right) \cdot \frac{1 + \beta}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}{\beta + \left(\alpha + 2\right)}} \]
    8. Step-by-step derivation
      1. associate-*r/99.5%

        \[\leadsto \frac{\color{blue}{\frac{\left(1 + \alpha\right) \cdot \left(1 + \beta\right)}{\left(\beta + \left(\alpha + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}}}{\beta + \left(\alpha + 2\right)} \]
      2. times-frac99.9%

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

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

        \[\leadsto \frac{\frac{1 + \alpha}{\color{blue}{\left(2 + \alpha\right)} + \beta} \cdot \frac{1 + \beta}{\alpha + \left(\beta + 3\right)}}{\beta + \left(\alpha + 2\right)} \]
      5. associate-+r+99.9%

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

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

        \[\leadsto \frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\color{blue}{\left(2 + \alpha\right)} + \beta} \]
    9. Simplified99.9%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\left(2 + \alpha\right) + \beta} \cdot \frac{1 + \beta}{\left(\alpha + \beta\right) + 3}}{\left(2 + \alpha\right) + \beta}} \]
    10. Taylor expanded in alpha around 0 65.5%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}}}{\left(2 + \alpha\right) + \beta} \]
    11. Step-by-step derivation
      1. associate-/r*65.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{1 + \beta}{2 + \beta}}{3 + \beta}}}{\left(2 + \alpha\right) + \beta} \]
      2. +-commutative65.5%

        \[\leadsto \frac{\frac{\frac{1 + \beta}{2 + \beta}}{\color{blue}{\beta + 3}}}{\left(2 + \alpha\right) + \beta} \]
      3. +-commutative65.5%

        \[\leadsto \frac{\frac{\frac{1 + \beta}{\color{blue}{\beta + 2}}}{\beta + 3}}{\left(2 + \alpha\right) + \beta} \]
    12. Simplified65.5%

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

    if 8.4e15 < beta

    1. Initial program 79.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 82.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 8.4 \cdot 10^{+15}:\\ \;\;\;\;\frac{\frac{\frac{1 + \beta}{2 + \beta}}{\beta + 3}}{\left(\alpha + 2\right) + \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 72.8% accurate, 1.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.6:\\ \;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \mathbf{elif}\;\beta \leq 5 \cdot 10^{+152}:\\ \;\;\;\;\frac{1 + \alpha}{\beta \cdot \left(\left(\alpha + \beta\right) + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.6)
   (/ 0.25 (+ 1.0 (+ 2.0 (+ alpha beta))))
   (if (<= beta 5e+152)
     (/ (+ 1.0 alpha) (* beta (+ (+ alpha beta) 3.0)))
     (/ (/ alpha beta) (+ alpha (+ beta 3.0))))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.6) {
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	} else if (beta <= 5e+152) {
		tmp = (1.0 + alpha) / (beta * ((alpha + beta) + 3.0));
	} else {
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.6d0) then
        tmp = 0.25d0 / (1.0d0 + (2.0d0 + (alpha + beta)))
    else if (beta <= 5d+152) then
        tmp = (1.0d0 + alpha) / (beta * ((alpha + beta) + 3.0d0))
    else
        tmp = (alpha / beta) / (alpha + (beta + 3.0d0))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.6) {
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	} else if (beta <= 5e+152) {
		tmp = (1.0 + alpha) / (beta * ((alpha + beta) + 3.0));
	} else {
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 4.6:
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)))
	elif beta <= 5e+152:
		tmp = (1.0 + alpha) / (beta * ((alpha + beta) + 3.0))
	else:
		tmp = (alpha / beta) / (alpha + (beta + 3.0))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.6)
		tmp = Float64(0.25 / Float64(1.0 + Float64(2.0 + Float64(alpha + beta))));
	elseif (beta <= 5e+152)
		tmp = Float64(Float64(1.0 + alpha) / Float64(beta * Float64(Float64(alpha + beta) + 3.0)));
	else
		tmp = Float64(Float64(alpha / beta) / Float64(alpha + Float64(beta + 3.0)));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.6)
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	elseif (beta <= 5e+152)
		tmp = (1.0 + alpha) / (beta * ((alpha + beta) + 3.0));
	else
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 4.6], N[(0.25 / N[(1.0 + N[(2.0 + N[(alpha + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[beta, 5e+152], N[(N[(1.0 + alpha), $MachinePrecision] / N[(beta * N[(N[(alpha + beta), $MachinePrecision] + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(alpha / beta), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.6:\\
\;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\

\mathbf{elif}\;\beta \leq 5 \cdot 10^{+152}:\\
\;\;\;\;\frac{1 + \alpha}{\beta \cdot \left(\left(\alpha + \beta\right) + 3\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if beta < 4.5999999999999996

    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. Add Preprocessing
    3. Taylor expanded in beta around 0 98.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 65.8%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]

    if 4.5999999999999996 < beta < 5e152

    1. Initial program 92.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 78.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity78.6%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/84.8%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval84.8%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+84.8%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval84.8%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+84.8%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\alpha + \left(\beta + 3\right)\right)} \cdot \beta} \]
    5. Applied egg-rr84.8%

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity84.8%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. *-commutative84.8%

        \[\leadsto \frac{1 + \alpha}{\color{blue}{\beta \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      3. associate-+r+84.8%

        \[\leadsto \frac{1 + \alpha}{\beta \cdot \color{blue}{\left(\left(\alpha + \beta\right) + 3\right)}} \]
    7. Simplified84.8%

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

    if 5e152 < beta

    1. Initial program 67.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 83.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around inf 83.6%

      \[\leadsto \frac{\color{blue}{\frac{\alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Step-by-step derivation
      1. *-un-lft-identity83.6%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    6. Applied egg-rr83.6%

      \[\leadsto \color{blue}{1 \cdot \frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}} \]
    7. Step-by-step derivation
      1. *-lft-identity83.6%

        \[\leadsto \color{blue}{\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\alpha + \color{blue}{\left(3 + \beta\right)}} \]
      3. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(3 + \beta\right) + \alpha}} \]
      4. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(\beta + 3\right)} + \alpha} \]
    8. Simplified83.6%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.6:\\ \;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \mathbf{elif}\;\beta \leq 5 \cdot 10^{+152}:\\ \;\;\;\;\frac{1 + \alpha}{\beta \cdot \left(\left(\alpha + \beta\right) + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 71.8% accurate, 1.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3 \cdot 10^{+15}:\\ \;\;\;\;\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\left(2 + \beta\right) \cdot \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\alpha + \left(\beta + 3\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 3e+15)
   (/ (+ 1.0 beta) (* (+ 2.0 beta) (* (+ 2.0 beta) (+ beta 3.0))))
   (* (/ (+ 1.0 alpha) beta) (/ 1.0 (+ alpha (+ beta 3.0))))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3e+15) {
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 3d+15) then
        tmp = (1.0d0 + beta) / ((2.0d0 + beta) * ((2.0d0 + beta) * (beta + 3.0d0)))
    else
        tmp = ((1.0d0 + alpha) / beta) * (1.0d0 / (alpha + (beta + 3.0d0)))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3e+15) {
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 3e+15:
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)))
	else:
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 3e+15)
		tmp = Float64(Float64(1.0 + beta) / Float64(Float64(2.0 + beta) * Float64(Float64(2.0 + beta) * Float64(beta + 3.0))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / beta) * Float64(1.0 / Float64(alpha + Float64(beta + 3.0))));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 3e+15)
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)));
	else
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 3e+15], N[(N[(1.0 + beta), $MachinePrecision] / N[(N[(2.0 + beta), $MachinePrecision] * N[(N[(2.0 + beta), $MachinePrecision] * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / beta), $MachinePrecision] * N[(1.0 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 3 \cdot 10^{+15}:\\
\;\;\;\;\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\left(2 + \beta\right) \cdot \left(\beta + 3\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\alpha + \left(\beta + 3\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 3e15

    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. Simplified96.2%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.6%

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

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Taylor expanded in alpha around 0 64.3%

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

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

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

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)}} \]
    9. Taylor expanded in alpha around 0 64.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \beta}} \cdot \frac{1 + \beta}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)} \]
    10. Step-by-step derivation
      1. frac-times64.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(1 + \beta\right)}{\left(2 + \beta\right) \cdot \left(\left(\beta + 2\right) \cdot \left(\beta + 3\right)\right)}} \]
      2. *-un-lft-identity64.3%

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

        \[\leadsto \frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\color{blue}{\left(2 + \beta\right)} \cdot \left(\beta + 3\right)\right)} \]
    11. Applied egg-rr64.3%

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

    if 3e15 < beta

    1. Initial program 79.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 82.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. div-inv82.8%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\beta} \cdot \frac{1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval82.8%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+82.8%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval82.8%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+r+82.8%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    5. Applied egg-rr82.8%

      \[\leadsto \color{blue}{\frac{1 + \alpha}{\beta} \cdot \frac{1}{\alpha + \left(\beta + 3\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification70.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 3 \cdot 10^{+15}:\\ \;\;\;\;\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\left(2 + \beta\right) \cdot \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\alpha + \left(\beta + 3\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 71.8% accurate, 1.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 9.5 \cdot 10^{+14}:\\ \;\;\;\;\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\left(2 + \beta\right) \cdot \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 9.5e+14)
   (/ (+ 1.0 beta) (* (+ 2.0 beta) (* (+ 2.0 beta) (+ beta 3.0))))
   (/ (/ (+ 1.0 alpha) beta) (+ 1.0 (+ 2.0 (+ alpha beta))))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 9.5e+14) {
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 9.5d+14) then
        tmp = (1.0d0 + beta) / ((2.0d0 + beta) * ((2.0d0 + beta) * (beta + 3.0d0)))
    else
        tmp = ((1.0d0 + alpha) / beta) / (1.0d0 + (2.0d0 + (alpha + beta)))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 9.5e+14) {
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 9.5e+14:
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)))
	else:
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 9.5e+14)
		tmp = Float64(Float64(1.0 + beta) / Float64(Float64(2.0 + beta) * Float64(Float64(2.0 + beta) * Float64(beta + 3.0))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / beta) / Float64(1.0 + Float64(2.0 + Float64(alpha + beta))));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 9.5e+14)
		tmp = (1.0 + beta) / ((2.0 + beta) * ((2.0 + beta) * (beta + 3.0)));
	else
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (alpha + beta)));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 9.5e+14], N[(N[(1.0 + beta), $MachinePrecision] / N[(N[(2.0 + beta), $MachinePrecision] * N[(N[(2.0 + beta), $MachinePrecision] * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / beta), $MachinePrecision] / N[(1.0 + N[(2.0 + N[(alpha + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 9.5 \cdot 10^{+14}:\\
\;\;\;\;\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\left(2 + \beta\right) \cdot \left(\beta + 3\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 9.5e14

    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. Simplified96.2%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.6%

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

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{\color{blue}{1 + \beta}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]
    5. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Taylor expanded in alpha around 0 64.3%

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

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

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

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)}} \]
    9. Taylor expanded in alpha around 0 64.3%

      \[\leadsto \color{blue}{\frac{1}{2 + \beta}} \cdot \frac{1 + \beta}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)} \]
    10. Step-by-step derivation
      1. frac-times64.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(1 + \beta\right)}{\left(2 + \beta\right) \cdot \left(\left(\beta + 2\right) \cdot \left(\beta + 3\right)\right)}} \]
      2. *-un-lft-identity64.3%

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

        \[\leadsto \frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\color{blue}{\left(2 + \beta\right)} \cdot \left(\beta + 3\right)\right)} \]
    11. Applied egg-rr64.3%

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

    if 9.5e14 < beta

    1. Initial program 79.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 82.9%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification70.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 9.5 \cdot 10^{+14}:\\ \;\;\;\;\frac{1 + \beta}{\left(2 + \beta\right) \cdot \left(\left(2 + \beta\right) \cdot \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 69.5% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 1.52:\\ \;\;\;\;0.08333333333333333 + \beta \cdot \left(\beta \cdot -0.011574074074074073 - 0.027777777777777776\right)\\ \mathbf{elif}\;\beta \leq 1.4 \cdot 10^{+154}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 1.52)
   (+
    0.08333333333333333
    (* beta (- (* beta -0.011574074074074073) 0.027777777777777776)))
   (if (<= beta 1.4e+154)
     (/ 1.0 (* beta (+ beta 3.0)))
     (/ (/ alpha beta) (+ alpha (+ beta 3.0))))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.52) {
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776));
	} else if (beta <= 1.4e+154) {
		tmp = 1.0 / (beta * (beta + 3.0));
	} else {
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 1.52d0) then
        tmp = 0.08333333333333333d0 + (beta * ((beta * (-0.011574074074074073d0)) - 0.027777777777777776d0))
    else if (beta <= 1.4d+154) then
        tmp = 1.0d0 / (beta * (beta + 3.0d0))
    else
        tmp = (alpha / beta) / (alpha + (beta + 3.0d0))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.52) {
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776));
	} else if (beta <= 1.4e+154) {
		tmp = 1.0 / (beta * (beta + 3.0));
	} else {
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 1.52:
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776))
	elif beta <= 1.4e+154:
		tmp = 1.0 / (beta * (beta + 3.0))
	else:
		tmp = (alpha / beta) / (alpha + (beta + 3.0))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 1.52)
		tmp = Float64(0.08333333333333333 + Float64(beta * Float64(Float64(beta * -0.011574074074074073) - 0.027777777777777776)));
	elseif (beta <= 1.4e+154)
		tmp = Float64(1.0 / Float64(beta * Float64(beta + 3.0)));
	else
		tmp = Float64(Float64(alpha / beta) / Float64(alpha + Float64(beta + 3.0)));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 1.52)
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776));
	elseif (beta <= 1.4e+154)
		tmp = 1.0 / (beta * (beta + 3.0));
	else
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 1.52], N[(0.08333333333333333 + N[(beta * N[(N[(beta * -0.011574074074074073), $MachinePrecision] - 0.027777777777777776), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[beta, 1.4e+154], N[(1.0 / N[(beta * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(alpha / beta), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 1.52:\\
\;\;\;\;0.08333333333333333 + \beta \cdot \left(\beta \cdot -0.011574074074074073 - 0.027777777777777776\right)\\

\mathbf{elif}\;\beta \leq 1.4 \cdot 10^{+154}:\\
\;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if beta < 1.52

    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. Simplified96.5%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.9%

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

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

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Taylor expanded in alpha around 0 65.0%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}} \]
    7. Step-by-step derivation
      1. +-commutative65.0%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} \cdot \left(3 + \beta\right)} \]
      2. +-commutative65.0%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\beta + 2\right) \cdot \color{blue}{\left(\beta + 3\right)}} \]
    8. Simplified65.0%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)}} \]
    9. Taylor expanded in alpha around 0 65.1%

      \[\leadsto \color{blue}{\frac{1}{2 + \beta}} \cdot \frac{1 + \beta}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)} \]
    10. Taylor expanded in beta around 0 64.6%

      \[\leadsto \color{blue}{0.08333333333333333 + \beta \cdot \left(-0.011574074074074073 \cdot \beta - 0.027777777777777776\right)} \]

    if 1.52 < beta < 1.4e154

    1. Initial program 92.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 78.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 66.6%

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

    if 1.4e154 < beta

    1. Initial program 67.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 83.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around inf 83.6%

      \[\leadsto \frac{\color{blue}{\frac{\alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Step-by-step derivation
      1. *-un-lft-identity83.6%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    6. Applied egg-rr83.6%

      \[\leadsto \color{blue}{1 \cdot \frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}} \]
    7. Step-by-step derivation
      1. *-lft-identity83.6%

        \[\leadsto \color{blue}{\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\alpha + \color{blue}{\left(3 + \beta\right)}} \]
      3. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(3 + \beta\right) + \alpha}} \]
      4. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(\beta + 3\right)} + \alpha} \]
    8. Simplified83.6%

      \[\leadsto \color{blue}{\frac{\frac{\alpha}{\beta}}{\left(\beta + 3\right) + \alpha}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification68.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 1.52:\\ \;\;\;\;0.08333333333333333 + \beta \cdot \left(\beta \cdot -0.011574074074074073 - 0.027777777777777776\right)\\ \mathbf{elif}\;\beta \leq 1.4 \cdot 10^{+154}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 70.4% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.2:\\ \;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \mathbf{elif}\;\beta \leq 6.2 \cdot 10^{+154}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.2)
   (/ 0.25 (+ 1.0 (+ 2.0 (+ alpha beta))))
   (if (<= beta 6.2e+154)
     (/ 1.0 (* beta (+ beta 3.0)))
     (/ (/ alpha beta) (+ alpha (+ beta 3.0))))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.2) {
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	} else if (beta <= 6.2e+154) {
		tmp = 1.0 / (beta * (beta + 3.0));
	} else {
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.2d0) then
        tmp = 0.25d0 / (1.0d0 + (2.0d0 + (alpha + beta)))
    else if (beta <= 6.2d+154) then
        tmp = 1.0d0 / (beta * (beta + 3.0d0))
    else
        tmp = (alpha / beta) / (alpha + (beta + 3.0d0))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.2) {
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	} else if (beta <= 6.2e+154) {
		tmp = 1.0 / (beta * (beta + 3.0));
	} else {
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 4.2:
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)))
	elif beta <= 6.2e+154:
		tmp = 1.0 / (beta * (beta + 3.0))
	else:
		tmp = (alpha / beta) / (alpha + (beta + 3.0))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.2)
		tmp = Float64(0.25 / Float64(1.0 + Float64(2.0 + Float64(alpha + beta))));
	elseif (beta <= 6.2e+154)
		tmp = Float64(1.0 / Float64(beta * Float64(beta + 3.0)));
	else
		tmp = Float64(Float64(alpha / beta) / Float64(alpha + Float64(beta + 3.0)));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.2)
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	elseif (beta <= 6.2e+154)
		tmp = 1.0 / (beta * (beta + 3.0));
	else
		tmp = (alpha / beta) / (alpha + (beta + 3.0));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 4.2], N[(0.25 / N[(1.0 + N[(2.0 + N[(alpha + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[beta, 6.2e+154], N[(1.0 / N[(beta * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(alpha / beta), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.2:\\
\;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\

\mathbf{elif}\;\beta \leq 6.2 \cdot 10^{+154}:\\
\;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if beta < 4.20000000000000018

    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. Add Preprocessing
    3. Taylor expanded in beta around 0 98.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 65.8%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]

    if 4.20000000000000018 < beta < 6.2000000000000003e154

    1. Initial program 92.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 78.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 66.6%

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

    if 6.2000000000000003e154 < beta

    1. Initial program 67.9%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 83.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around inf 83.6%

      \[\leadsto \frac{\color{blue}{\frac{\alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Step-by-step derivation
      1. *-un-lft-identity83.6%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+83.6%

        \[\leadsto 1 \cdot \frac{\frac{\alpha}{\beta}}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    6. Applied egg-rr83.6%

      \[\leadsto \color{blue}{1 \cdot \frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}} \]
    7. Step-by-step derivation
      1. *-lft-identity83.6%

        \[\leadsto \color{blue}{\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}} \]
      2. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\alpha + \color{blue}{\left(3 + \beta\right)}} \]
      3. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(3 + \beta\right) + \alpha}} \]
      4. +-commutative83.6%

        \[\leadsto \frac{\frac{\alpha}{\beta}}{\color{blue}{\left(\beta + 3\right)} + \alpha} \]
    8. Simplified83.6%

      \[\leadsto \color{blue}{\frac{\frac{\alpha}{\beta}}{\left(\beta + 3\right) + \alpha}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification69.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.2:\\ \;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \mathbf{elif}\;\beta \leq 6.2 \cdot 10^{+154}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\alpha + \left(\beta + 3\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 71.9% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4:\\ \;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\alpha + \left(\beta + 3\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.0)
   (/ 0.25 (+ 1.0 (+ 2.0 (+ alpha beta))))
   (* (/ (+ 1.0 alpha) beta) (/ 1.0 (+ alpha (+ beta 3.0))))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.0) {
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	} else {
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.0d0) then
        tmp = 0.25d0 / (1.0d0 + (2.0d0 + (alpha + beta)))
    else
        tmp = ((1.0d0 + alpha) / beta) * (1.0d0 / (alpha + (beta + 3.0d0)))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.0) {
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	} else {
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 4.0:
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)))
	else:
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.0)
		tmp = Float64(0.25 / Float64(1.0 + Float64(2.0 + Float64(alpha + beta))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / beta) * Float64(1.0 / Float64(alpha + Float64(beta + 3.0))));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.0)
		tmp = 0.25 / (1.0 + (2.0 + (alpha + beta)));
	else
		tmp = ((1.0 + alpha) / beta) * (1.0 / (alpha + (beta + 3.0)));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 4.0], N[(0.25 / N[(1.0 + N[(2.0 + N[(alpha + beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / beta), $MachinePrecision] * N[(1.0 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4:\\
\;\;\;\;\frac{0.25}{1 + \left(2 + \left(\alpha + \beta\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\alpha + \left(\beta + 3\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4

    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. Add Preprocessing
    3. Taylor expanded in beta around 0 98.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 65.8%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]

    if 4 < beta

    1. Initial program 80.3%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 81.1%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. div-inv81.0%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\beta} \cdot \frac{1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval81.0%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+81.0%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval81.0%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+r+81.0%

        \[\leadsto \frac{1 + \alpha}{\beta} \cdot \frac{1}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    5. Applied egg-rr81.0%

      \[\leadsto \color{blue}{\frac{1 + \alpha}{\beta} \cdot \frac{1}{\alpha + \left(\beta + 3\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.2%

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

Alternative 14: 68.8% accurate, 2.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 1.52:\\ \;\;\;\;0.08333333333333333 + \beta \cdot \left(\beta \cdot -0.011574074074074073 - 0.027777777777777776\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 1.52)
   (+
    0.08333333333333333
    (* beta (- (* beta -0.011574074074074073) 0.027777777777777776)))
   (/ 1.0 (* beta (+ beta 3.0)))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.52) {
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776));
	} else {
		tmp = 1.0 / (beta * (beta + 3.0));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 1.52d0) then
        tmp = 0.08333333333333333d0 + (beta * ((beta * (-0.011574074074074073d0)) - 0.027777777777777776d0))
    else
        tmp = 1.0d0 / (beta * (beta + 3.0d0))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 1.52) {
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776));
	} else {
		tmp = 1.0 / (beta * (beta + 3.0));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 1.52:
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776))
	else:
		tmp = 1.0 / (beta * (beta + 3.0))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 1.52)
		tmp = Float64(0.08333333333333333 + Float64(beta * Float64(Float64(beta * -0.011574074074074073) - 0.027777777777777776)));
	else
		tmp = Float64(1.0 / Float64(beta * Float64(beta + 3.0)));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 1.52)
		tmp = 0.08333333333333333 + (beta * ((beta * -0.011574074074074073) - 0.027777777777777776));
	else
		tmp = 1.0 / (beta * (beta + 3.0));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 1.52], N[(0.08333333333333333 + N[(beta * N[(N[(beta * -0.011574074074074073), $MachinePrecision] - 0.027777777777777776), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(beta * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 1.52:\\
\;\;\;\;0.08333333333333333 + \beta \cdot \left(\beta \cdot -0.011574074074074073 - 0.027777777777777776\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 1.52

    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. Simplified96.5%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. times-frac99.9%

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

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

      \[\leadsto \color{blue}{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
    6. Taylor expanded in alpha around 0 65.0%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}} \]
    7. Step-by-step derivation
      1. +-commutative65.0%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right)} \cdot \left(3 + \beta\right)} \]
      2. +-commutative65.0%

        \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\left(\beta + 2\right) \cdot \color{blue}{\left(\beta + 3\right)}} \]
    8. Simplified65.0%

      \[\leadsto \frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1 + \beta}{\color{blue}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)}} \]
    9. Taylor expanded in alpha around 0 65.1%

      \[\leadsto \color{blue}{\frac{1}{2 + \beta}} \cdot \frac{1 + \beta}{\left(\beta + 2\right) \cdot \left(\beta + 3\right)} \]
    10. Taylor expanded in beta around 0 64.6%

      \[\leadsto \color{blue}{0.08333333333333333 + \beta \cdot \left(-0.011574074074074073 \cdot \beta - 0.027777777777777776\right)} \]

    if 1.52 < beta

    1. Initial program 80.3%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 81.1%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 75.8%

      \[\leadsto \color{blue}{\frac{1}{\beta \cdot \left(3 + \beta\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification68.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 1.52:\\ \;\;\;\;0.08333333333333333 + \beta \cdot \left(\beta \cdot -0.011574074074074073 - 0.027777777777777776\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 69.3% accurate, 2.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.4:\\ \;\;\;\;\frac{0.25}{\alpha + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 2.4) (/ 0.25 (+ alpha 3.0)) (/ 1.0 (* beta (+ beta 3.0)))))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.4) {
		tmp = 0.25 / (alpha + 3.0);
	} else {
		tmp = 1.0 / (beta * (beta + 3.0));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 2.4d0) then
        tmp = 0.25d0 / (alpha + 3.0d0)
    else
        tmp = 1.0d0 / (beta * (beta + 3.0d0))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.4) {
		tmp = 0.25 / (alpha + 3.0);
	} else {
		tmp = 1.0 / (beta * (beta + 3.0));
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 2.4:
		tmp = 0.25 / (alpha + 3.0)
	else:
		tmp = 1.0 / (beta * (beta + 3.0))
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 2.4)
		tmp = Float64(0.25 / Float64(alpha + 3.0));
	else
		tmp = Float64(1.0 / Float64(beta * Float64(beta + 3.0)));
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 2.4)
		tmp = 0.25 / (alpha + 3.0);
	else
		tmp = 1.0 / (beta * (beta + 3.0));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 2.4], N[(0.25 / N[(alpha + 3.0), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(beta * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.4:\\
\;\;\;\;\frac{0.25}{\alpha + 3}\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.39999999999999991

    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. Add Preprocessing
    3. Taylor expanded in beta around 0 98.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 65.8%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Taylor expanded in beta around 0 65.2%

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

    if 2.39999999999999991 < beta

    1. Initial program 80.3%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 81.1%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 75.8%

      \[\leadsto \color{blue}{\frac{1}{\beta \cdot \left(3 + \beta\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification69.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.4:\\ \;\;\;\;\frac{0.25}{\alpha + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 16: 46.7% accurate, 3.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.65:\\ \;\;\;\;0.08333333333333333 + \beta \cdot -0.027777777777777776\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 2.65)
   (+ 0.08333333333333333 (* beta -0.027777777777777776))
   (/ 0.25 beta)))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.65) {
		tmp = 0.08333333333333333 + (beta * -0.027777777777777776);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 2.65d0) then
        tmp = 0.08333333333333333d0 + (beta * (-0.027777777777777776d0))
    else
        tmp = 0.25d0 / beta
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.65) {
		tmp = 0.08333333333333333 + (beta * -0.027777777777777776);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 2.65:
		tmp = 0.08333333333333333 + (beta * -0.027777777777777776)
	else:
		tmp = 0.25 / beta
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 2.65)
		tmp = Float64(0.08333333333333333 + Float64(beta * -0.027777777777777776));
	else
		tmp = Float64(0.25 / beta);
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 2.65)
		tmp = 0.08333333333333333 + (beta * -0.027777777777777776);
	else
		tmp = 0.25 / beta;
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 2.65], N[(0.08333333333333333 + N[(beta * -0.027777777777777776), $MachinePrecision]), $MachinePrecision], N[(0.25 / beta), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.65:\\
\;\;\;\;0.08333333333333333 + \beta \cdot -0.027777777777777776\\

\mathbf{else}:\\
\;\;\;\;\frac{0.25}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.64999999999999991

    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. Add Preprocessing
    3. Taylor expanded in beta around 0 98.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 64.1%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    5. Taylor expanded in beta around 0 64.1%

      \[\leadsto \color{blue}{0.08333333333333333 + -0.027777777777777776 \cdot \beta} \]
    6. Step-by-step derivation
      1. *-commutative64.1%

        \[\leadsto 0.08333333333333333 + \color{blue}{\beta \cdot -0.027777777777777776} \]
    7. Simplified64.1%

      \[\leadsto \color{blue}{0.08333333333333333 + \beta \cdot -0.027777777777777776} \]

    if 2.64999999999999991 < beta

    1. Initial program 80.3%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around 0 17.0%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 6.8%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    5. Taylor expanded in beta around inf 6.8%

      \[\leadsto \color{blue}{\frac{0.25}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification43.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.65:\\ \;\;\;\;0.08333333333333333 + \beta \cdot -0.027777777777777776\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 17: 47.4% accurate, 3.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4:\\ \;\;\;\;\frac{0.25}{\alpha + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.0) (/ 0.25 (+ alpha 3.0)) (/ 0.25 beta)))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.0) {
		tmp = 0.25 / (alpha + 3.0);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.0d0) then
        tmp = 0.25d0 / (alpha + 3.0d0)
    else
        tmp = 0.25d0 / beta
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.0) {
		tmp = 0.25 / (alpha + 3.0);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 4.0:
		tmp = 0.25 / (alpha + 3.0)
	else:
		tmp = 0.25 / beta
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.0)
		tmp = Float64(0.25 / Float64(alpha + 3.0));
	else
		tmp = Float64(0.25 / beta);
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.0)
		tmp = 0.25 / (alpha + 3.0);
	else
		tmp = 0.25 / beta;
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 4.0], N[(0.25 / N[(alpha + 3.0), $MachinePrecision]), $MachinePrecision], N[(0.25 / beta), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4:\\
\;\;\;\;\frac{0.25}{\alpha + 3}\\

\mathbf{else}:\\
\;\;\;\;\frac{0.25}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4

    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. Add Preprocessing
    3. Taylor expanded in beta around 0 98.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 65.8%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Taylor expanded in beta around 0 65.2%

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

    if 4 < beta

    1. Initial program 80.3%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around 0 17.0%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 6.8%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    5. Taylor expanded in beta around inf 6.8%

      \[\leadsto \color{blue}{\frac{0.25}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification44.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4:\\ \;\;\;\;\frac{0.25}{\alpha + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 18: 46.3% accurate, 4.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3:\\ \;\;\;\;0.08333333333333333\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 3.0) 0.08333333333333333 (/ 0.25 beta)))
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.0) {
		tmp = 0.08333333333333333;
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 3.0d0) then
        tmp = 0.08333333333333333d0
    else
        tmp = 0.25d0 / beta
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.0) {
		tmp = 0.08333333333333333;
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
def code(alpha, beta):
	tmp = 0
	if beta <= 3.0:
		tmp = 0.08333333333333333
	else:
		tmp = 0.25 / beta
	return tmp
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 3.0)
		tmp = 0.08333333333333333;
	else
		tmp = Float64(0.25 / beta);
	end
	return tmp
end
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 3.0)
		tmp = 0.08333333333333333;
	else
		tmp = 0.25 / beta;
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := If[LessEqual[beta, 3.0], 0.08333333333333333, N[(0.25 / beta), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 3:\\
\;\;\;\;0.08333333333333333\\

\mathbf{else}:\\
\;\;\;\;\frac{0.25}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 3

    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. Add Preprocessing
    3. Taylor expanded in beta around 0 98.6%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 64.1%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    5. Taylor expanded in beta around 0 63.5%

      \[\leadsto \color{blue}{0.08333333333333333} \]

    if 3 < beta

    1. Initial program 80.3%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around 0 17.0%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 6.8%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
    5. Taylor expanded in beta around inf 6.8%

      \[\leadsto \color{blue}{\frac{0.25}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification43.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 3:\\ \;\;\;\;0.08333333333333333\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 19: 46.7% accurate, 7.0× speedup?

\[\begin{array}{l} \\ \frac{0.25}{\beta + 3} \end{array} \]
(FPCore (alpha beta) :precision binary64 (/ 0.25 (+ beta 3.0)))
double code(double alpha, double beta) {
	return 0.25 / (beta + 3.0);
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.25d0 / (beta + 3.0d0)
end function
public static double code(double alpha, double beta) {
	return 0.25 / (beta + 3.0);
}
def code(alpha, beta):
	return 0.25 / (beta + 3.0)
function code(alpha, beta)
	return Float64(0.25 / Float64(beta + 3.0))
end
function tmp = code(alpha, beta)
	tmp = 0.25 / (beta + 3.0);
end
code[alpha_, beta_] := N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{0.25}{\beta + 3}
\end{array}
Derivation
  1. Initial program 92.9%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Add Preprocessing
  3. Taylor expanded in beta around 0 69.6%

    \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  4. Taylor expanded in alpha around 0 43.7%

    \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
  5. Final simplification43.7%

    \[\leadsto \frac{0.25}{\beta + 3} \]
  6. Add Preprocessing

Alternative 20: 45.4% accurate, 35.0× speedup?

\[\begin{array}{l} \\ 0.08333333333333333 \end{array} \]
(FPCore (alpha beta) :precision binary64 0.08333333333333333)
double code(double alpha, double beta) {
	return 0.08333333333333333;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.08333333333333333d0
end function
public static double code(double alpha, double beta) {
	return 0.08333333333333333;
}
def code(alpha, beta):
	return 0.08333333333333333
function code(alpha, beta)
	return 0.08333333333333333
end
function tmp = code(alpha, beta)
	tmp = 0.08333333333333333;
end
code[alpha_, beta_] := 0.08333333333333333
\begin{array}{l}

\\
0.08333333333333333
\end{array}
Derivation
  1. Initial program 92.9%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Add Preprocessing
  3. Taylor expanded in beta around 0 69.6%

    \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{{\left(2 + \alpha\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  4. Taylor expanded in alpha around 0 43.7%

    \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
  5. Taylor expanded in beta around 0 42.3%

    \[\leadsto \color{blue}{0.08333333333333333} \]
  6. Final simplification42.3%

    \[\leadsto 0.08333333333333333 \]
  7. Add Preprocessing

Reproduce

?
herbie shell --seed 2024131 
(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)))