Octave 3.8, jcobi/3

Percentage Accurate: 94.2% → 99.5%
Time: 18.9s
Alternatives: 19
Speedup: 2.5×

Specification

?
\[\alpha > -1 \land \beta > -1\]
\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\ \frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t\_0}}{t\_0}}{t\_0 + 1} \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha beta) (* 2.0 1.0))))
   (/ (/ (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) t_0) t_0) (+ t_0 1.0))))
double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    t_0 = (alpha + beta) + (2.0d0 * 1.0d0)
    code = (((((alpha + beta) + (beta * alpha)) + 1.0d0) / t_0) / t_0) / (t_0 + 1.0d0)
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
def code(alpha, beta):
	t_0 = (alpha + beta) + (2.0 * 1.0)
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0)
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + beta) + Float64(2.0 * 1.0))
	return Float64(Float64(Float64(Float64(Float64(Float64(alpha + beta) + Float64(beta * alpha)) + 1.0) / t_0) / t_0) / Float64(t_0 + 1.0))
end
function tmp = code(alpha, beta)
	t_0 = (alpha + beta) + (2.0 * 1.0);
	tmp = (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * 1.0), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(N[(N[(N[(alpha + beta), $MachinePrecision] + N[(beta * alpha), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] / t$95$0), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(t$95$0 + 1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\
\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t\_0}}{t\_0}}{t\_0 + 1}
\end{array}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 19 alternatives:

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

Initial Program: 94.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\ \frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t\_0}}{t\_0}}{t\_0 + 1} \end{array} \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ alpha beta) (* 2.0 1.0))))
   (/ (/ (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) t_0) t_0) (+ t_0 1.0))))
double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    t_0 = (alpha + beta) + (2.0d0 * 1.0d0)
    code = (((((alpha + beta) + (beta * alpha)) + 1.0d0) / t_0) / t_0) / (t_0 + 1.0d0)
end function
public static double code(double alpha, double beta) {
	double t_0 = (alpha + beta) + (2.0 * 1.0);
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
}
def code(alpha, beta):
	t_0 = (alpha + beta) + (2.0 * 1.0)
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0)
function code(alpha, beta)
	t_0 = Float64(Float64(alpha + beta) + Float64(2.0 * 1.0))
	return Float64(Float64(Float64(Float64(Float64(Float64(alpha + beta) + Float64(beta * alpha)) + 1.0) / t_0) / t_0) / Float64(t_0 + 1.0))
end
function tmp = code(alpha, beta)
	t_0 = (alpha + beta) + (2.0 * 1.0);
	tmp = (((((alpha + beta) + (beta * alpha)) + 1.0) / t_0) / t_0) / (t_0 + 1.0);
end
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * 1.0), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(N[(N[(N[(alpha + beta), $MachinePrecision] + N[(beta * alpha), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] / t$95$0), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(t$95$0 + 1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\alpha + \beta\right) + 2 \cdot 1\\
\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{t\_0}}{t\_0}}{t\_0 + 1}
\end{array}
\end{array}

Alternative 1: 99.5% accurate, 0.3× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} t_0 := \alpha + \left(\beta + 3\right)\\ \mathbf{if}\;\beta \leq 1.2 \cdot 10^{+142}:\\ \;\;\;\;\frac{1}{{\left(\left(\beta + 2\right) + \alpha\right)}^{2} \cdot \frac{t\_0}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{t\_0}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ alpha (+ beta 3.0))))
   (if (<= beta 1.2e+142)
     (/
      1.0
      (*
       (pow (+ (+ beta 2.0) alpha) 2.0)
       (/ t_0 (* (+ beta 1.0) (+ 1.0 alpha)))))
     (/ (/ (+ 1.0 alpha) t_0) beta))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 3.0);
	double tmp;
	if (beta <= 1.2e+142) {
		tmp = 1.0 / (pow(((beta + 2.0) + alpha), 2.0) * (t_0 / ((beta + 1.0) * (1.0 + alpha))));
	} else {
		tmp = ((1.0 + alpha) / t_0) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: tmp
    t_0 = alpha + (beta + 3.0d0)
    if (beta <= 1.2d+142) then
        tmp = 1.0d0 / ((((beta + 2.0d0) + alpha) ** 2.0d0) * (t_0 / ((beta + 1.0d0) * (1.0d0 + alpha))))
    else
        tmp = ((1.0d0 + alpha) / t_0) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 3.0);
	double tmp;
	if (beta <= 1.2e+142) {
		tmp = 1.0 / (Math.pow(((beta + 2.0) + alpha), 2.0) * (t_0 / ((beta + 1.0) * (1.0 + alpha))));
	} else {
		tmp = ((1.0 + alpha) / t_0) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	t_0 = alpha + (beta + 3.0)
	tmp = 0
	if beta <= 1.2e+142:
		tmp = 1.0 / (math.pow(((beta + 2.0) + alpha), 2.0) * (t_0 / ((beta + 1.0) * (1.0 + alpha))))
	else:
		tmp = ((1.0 + alpha) / t_0) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	t_0 = Float64(alpha + Float64(beta + 3.0))
	tmp = 0.0
	if (beta <= 1.2e+142)
		tmp = Float64(1.0 / Float64((Float64(Float64(beta + 2.0) + alpha) ^ 2.0) * Float64(t_0 / Float64(Float64(beta + 1.0) * Float64(1.0 + alpha)))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / t_0) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	t_0 = alpha + (beta + 3.0);
	tmp = 0.0;
	if (beta <= 1.2e+142)
		tmp = 1.0 / ((((beta + 2.0) + alpha) ^ 2.0) * (t_0 / ((beta + 1.0) * (1.0 + alpha))));
	else
		tmp = ((1.0 + alpha) / t_0) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := Block[{t$95$0 = N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[beta, 1.2e+142], N[(1.0 / N[(N[Power[N[(N[(beta + 2.0), $MachinePrecision] + alpha), $MachinePrecision], 2.0], $MachinePrecision] * N[(t$95$0 / N[(N[(beta + 1.0), $MachinePrecision] * N[(1.0 + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] / beta), $MachinePrecision]]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
t_0 := \alpha + \left(\beta + 3\right)\\
\mathbf{if}\;\beta \leq 1.2 \cdot 10^{+142}:\\
\;\;\;\;\frac{1}{{\left(\left(\beta + 2\right) + \alpha\right)}^{2} \cdot \frac{t\_0}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{t\_0}}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 1.2e142

    1. Initial program 96.1%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified85.7%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. clear-num85.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}}} \]
      2. inv-pow85.6%

        \[\leadsto \color{blue}{{\left(\frac{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}\right)}^{-1}} \]
      3. associate-+r+85.6%

        \[\leadsto {\left(\frac{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \color{blue}{\left(\left(\alpha + \beta\right) + 3\right)}\right)}{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}\right)}^{-1} \]
      4. associate-*r*85.6%

        \[\leadsto {\left(\frac{\color{blue}{\left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)\right) \cdot \left(\left(\alpha + \beta\right) + 3\right)}}{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}\right)}^{-1} \]
      5. pow285.6%

        \[\leadsto {\left(\frac{\color{blue}{{\left(\alpha + \left(\beta + 2\right)\right)}^{2}} \cdot \left(\left(\alpha + \beta\right) + 3\right)}{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}\right)}^{-1} \]
      6. associate-+r+85.6%

        \[\leadsto {\left(\frac{{\left(\alpha + \left(\beta + 2\right)\right)}^{2} \cdot \color{blue}{\left(\alpha + \left(\beta + 3\right)\right)}}{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}\right)}^{-1} \]
      7. +-commutative85.6%

        \[\leadsto {\left(\frac{{\left(\alpha + \left(\beta + 2\right)\right)}^{2} \cdot \left(\alpha + \left(\beta + 3\right)\right)}{\left(\alpha + 1\right) \cdot \color{blue}{\left(1 + \beta\right)}}\right)}^{-1} \]
    5. Applied egg-rr85.6%

      \[\leadsto \color{blue}{{\left(\frac{{\left(\alpha + \left(\beta + 2\right)\right)}^{2} \cdot \left(\alpha + \left(\beta + 3\right)\right)}{\left(\alpha + 1\right) \cdot \left(1 + \beta\right)}\right)}^{-1}} \]
    6. Step-by-step derivation
      1. unpow-185.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{{\left(\alpha + \left(\beta + 2\right)\right)}^{2} \cdot \left(\alpha + \left(\beta + 3\right)\right)}{\left(\alpha + 1\right) \cdot \left(1 + \beta\right)}}} \]
      2. associate-/l*95.3%

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

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

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

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

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

        \[\leadsto \frac{1}{{\left(\left(\beta + 2\right) + \alpha\right)}^{2} \cdot \frac{\alpha + \left(\beta + 3\right)}{\color{blue}{\left(1 + \beta\right) \cdot \left(1 + \alpha\right)}}} \]
    7. Simplified95.3%

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

    if 1.2e142 < beta

    1. Initial program 74.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 93.5%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity93.5%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/90.0%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+90.0%

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

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity90.0%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*93.5%

        \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
    7. Simplified93.5%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification95.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 1.2 \cdot 10^{+142}:\\ \;\;\;\;\frac{1}{{\left(\left(\beta + 2\right) + \alpha\right)}^{2} \cdot \frac{\alpha + \left(\beta + 3\right)}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 99.5% accurate, 1.1× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} t_0 := \left(\beta + 2\right) + \alpha\\ \mathbf{if}\;\beta \leq 5 \cdot 10^{+143}:\\ \;\;\;\;\frac{\frac{1}{\frac{t\_0}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}}{t\_0 \cdot \left(3 + \left(\beta + \alpha\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ beta 2.0) alpha)))
   (if (<= beta 5e+143)
     (/
      (/ 1.0 (/ t_0 (* (+ beta 1.0) (+ 1.0 alpha))))
      (* t_0 (+ 3.0 (+ beta alpha))))
     (/ (/ (+ 1.0 alpha) (+ alpha (+ beta 3.0))) beta))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double t_0 = (beta + 2.0) + alpha;
	double tmp;
	if (beta <= 5e+143) {
		tmp = (1.0 / (t_0 / ((beta + 1.0) * (1.0 + alpha)))) / (t_0 * (3.0 + (beta + alpha)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: tmp
    t_0 = (beta + 2.0d0) + alpha
    if (beta <= 5d+143) then
        tmp = (1.0d0 / (t_0 / ((beta + 1.0d0) * (1.0d0 + alpha)))) / (t_0 * (3.0d0 + (beta + alpha)))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (beta + 3.0d0))) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double t_0 = (beta + 2.0) + alpha;
	double tmp;
	if (beta <= 5e+143) {
		tmp = (1.0 / (t_0 / ((beta + 1.0) * (1.0 + alpha)))) / (t_0 * (3.0 + (beta + alpha)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	t_0 = (beta + 2.0) + alpha
	tmp = 0
	if beta <= 5e+143:
		tmp = (1.0 / (t_0 / ((beta + 1.0) * (1.0 + alpha)))) / (t_0 * (3.0 + (beta + alpha)))
	else:
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	t_0 = Float64(Float64(beta + 2.0) + alpha)
	tmp = 0.0
	if (beta <= 5e+143)
		tmp = Float64(Float64(1.0 / Float64(t_0 / Float64(Float64(beta + 1.0) * Float64(1.0 + alpha)))) / Float64(t_0 * Float64(3.0 + Float64(beta + alpha))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(beta + 3.0))) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	t_0 = (beta + 2.0) + alpha;
	tmp = 0.0;
	if (beta <= 5e+143)
		tmp = (1.0 / (t_0 / ((beta + 1.0) * (1.0 + alpha)))) / (t_0 * (3.0 + (beta + alpha)));
	else
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(beta + 2.0), $MachinePrecision] + alpha), $MachinePrecision]}, If[LessEqual[beta, 5e+143], N[(N[(1.0 / N[(t$95$0 / N[(N[(beta + 1.0), $MachinePrecision] * N[(1.0 + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(t$95$0 * N[(3.0 + N[(beta + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
t_0 := \left(\beta + 2\right) + \alpha\\
\mathbf{if}\;\beta \leq 5 \cdot 10^{+143}:\\
\;\;\;\;\frac{\frac{1}{\frac{t\_0}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}}{t\_0 \cdot \left(3 + \left(\beta + \alpha\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 5.00000000000000012e143

    1. Initial program 96.1%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/95.2%

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

        \[\leadsto \frac{\frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      3. associate-+l+95.2%

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

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)\right)}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      5. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\left(\alpha + \beta\right) + \color{blue}{2}}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      6. associate-+l+95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      7. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      8. associate-+l+95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      9. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      10. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\left(\alpha + \beta\right) + \color{blue}{2}\right)} \]
      11. associate-+l+95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 2\right)\right)}} \]
    3. Simplified95.2%

      \[\leadsto \color{blue}{\frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. clear-num95.2%

        \[\leadsto \frac{\color{blue}{\frac{1}{\frac{\alpha + \left(\beta + 2\right)}{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}}}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
      2. inv-pow95.2%

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

        \[\leadsto \frac{{\left(\frac{\alpha + \left(\beta + 2\right)}{1 + \color{blue}{\left(\left(\beta + \alpha \cdot \beta\right) + \alpha\right)}}\right)}^{-1}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
      4. distribute-rgt1-in95.2%

        \[\leadsto \frac{{\left(\frac{\alpha + \left(\beta + 2\right)}{1 + \left(\color{blue}{\left(\alpha + 1\right) \cdot \beta} + \alpha\right)}\right)}^{-1}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
      5. fma-define95.2%

        \[\leadsto \frac{{\left(\frac{\alpha + \left(\beta + 2\right)}{1 + \color{blue}{\mathsf{fma}\left(\alpha + 1, \beta, \alpha\right)}}\right)}^{-1}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
    6. Applied egg-rr95.2%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\alpha + \left(\beta + 2\right)}{1 + \mathsf{fma}\left(\alpha + 1, \beta, \alpha\right)}\right)}^{-1}}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
    7. Step-by-step derivation
      1. unpow-195.2%

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

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

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

        \[\leadsto \frac{\frac{1}{\frac{\color{blue}{\left(\beta + 2\right)} + \alpha}{1 + \mathsf{fma}\left(\alpha + 1, \beta, \alpha\right)}}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
      5. fma-undefine95.2%

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

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

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

        \[\leadsto \frac{\frac{1}{\frac{\left(\beta + 2\right) + \alpha}{1 + \color{blue}{\left(\alpha + \beta \cdot \left(1 + \alpha\right)\right)}}}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
      9. associate-+r+95.2%

        \[\leadsto \frac{\frac{1}{\frac{\left(\beta + 2\right) + \alpha}{\color{blue}{\left(1 + \alpha\right) + \beta \cdot \left(1 + \alpha\right)}}}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
      10. distribute-rgt1-in95.2%

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

        \[\leadsto \frac{\frac{1}{\frac{\left(\beta + 2\right) + \alpha}{\color{blue}{\left(1 + \beta\right)} \cdot \left(1 + \alpha\right)}}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
    8. Simplified95.2%

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

    if 5.00000000000000012e143 < beta

    1. Initial program 74.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 93.5%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity93.5%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/90.0%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+90.0%

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

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity90.0%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*93.5%

        \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
    7. Simplified93.5%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 5 \cdot 10^{+143}:\\ \;\;\;\;\frac{\frac{1}{\frac{\left(\beta + 2\right) + \alpha}{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}}}{\left(\left(\beta + 2\right) + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 99.6% accurate, 1.1× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} t_0 := \left(\beta + 2\right) + \alpha\\ \mathbf{if}\;\beta \leq 5 \cdot 10^{+143}:\\ \;\;\;\;\frac{\frac{1 + \left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}{t\_0}}{t\_0 \cdot \left(3 + \left(\beta + \alpha\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ (+ beta 2.0) alpha)))
   (if (<= beta 5e+143)
     (/
      (/ (+ 1.0 (+ alpha (+ beta (* beta alpha)))) t_0)
      (* t_0 (+ 3.0 (+ beta alpha))))
     (/ (/ (+ 1.0 alpha) (+ alpha (+ beta 3.0))) beta))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double t_0 = (beta + 2.0) + alpha;
	double tmp;
	if (beta <= 5e+143) {
		tmp = ((1.0 + (alpha + (beta + (beta * alpha)))) / t_0) / (t_0 * (3.0 + (beta + alpha)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: tmp
    t_0 = (beta + 2.0d0) + alpha
    if (beta <= 5d+143) then
        tmp = ((1.0d0 + (alpha + (beta + (beta * alpha)))) / t_0) / (t_0 * (3.0d0 + (beta + alpha)))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (beta + 3.0d0))) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double t_0 = (beta + 2.0) + alpha;
	double tmp;
	if (beta <= 5e+143) {
		tmp = ((1.0 + (alpha + (beta + (beta * alpha)))) / t_0) / (t_0 * (3.0 + (beta + alpha)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	t_0 = (beta + 2.0) + alpha
	tmp = 0
	if beta <= 5e+143:
		tmp = ((1.0 + (alpha + (beta + (beta * alpha)))) / t_0) / (t_0 * (3.0 + (beta + alpha)))
	else:
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	t_0 = Float64(Float64(beta + 2.0) + alpha)
	tmp = 0.0
	if (beta <= 5e+143)
		tmp = Float64(Float64(Float64(1.0 + Float64(alpha + Float64(beta + Float64(beta * alpha)))) / t_0) / Float64(t_0 * Float64(3.0 + Float64(beta + alpha))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(beta + 3.0))) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	t_0 = (beta + 2.0) + alpha;
	tmp = 0.0;
	if (beta <= 5e+143)
		tmp = ((1.0 + (alpha + (beta + (beta * alpha)))) / t_0) / (t_0 * (3.0 + (beta + alpha)));
	else
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := Block[{t$95$0 = N[(N[(beta + 2.0), $MachinePrecision] + alpha), $MachinePrecision]}, If[LessEqual[beta, 5e+143], N[(N[(N[(1.0 + N[(alpha + N[(beta + N[(beta * alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision] / N[(t$95$0 * N[(3.0 + N[(beta + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
t_0 := \left(\beta + 2\right) + \alpha\\
\mathbf{if}\;\beta \leq 5 \cdot 10^{+143}:\\
\;\;\;\;\frac{\frac{1 + \left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}{t\_0}}{t\_0 \cdot \left(3 + \left(\beta + \alpha\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 5.00000000000000012e143

    1. Initial program 96.1%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Step-by-step derivation
      1. associate-/l/95.2%

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

        \[\leadsto \frac{\frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      3. associate-+l+95.2%

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

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)\right)}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      5. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\left(\alpha + \beta\right) + \color{blue}{2}}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      6. associate-+l+95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      7. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      8. associate-+l+95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      9. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      10. metadata-eval95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\left(\alpha + \beta\right) + \color{blue}{2}\right)} \]
      11. associate-+l+95.2%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 2\right)\right)}} \]
    3. Simplified95.2%

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

    if 5.00000000000000012e143 < beta

    1. Initial program 74.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 93.5%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity93.5%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/90.0%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval90.0%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+90.0%

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

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity90.0%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*93.5%

        \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
    7. Simplified93.5%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification95.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 5 \cdot 10^{+143}:\\ \;\;\;\;\frac{\frac{1 + \left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}{\left(\beta + 2\right) + \alpha}}{\left(\left(\beta + 2\right) + \alpha\right) \cdot \left(3 + \left(\beta + \alpha\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 99.4% accurate, 1.2× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} t_0 := \alpha + \left(\beta + 3\right)\\ t_1 := \left(\beta + 2\right) + \alpha\\ \mathbf{if}\;\beta \leq 2 \cdot 10^{+88}:\\ \;\;\;\;\frac{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}{t\_1 \cdot \left(t\_0 \cdot t\_1\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{t\_0}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ alpha (+ beta 3.0))) (t_1 (+ (+ beta 2.0) alpha)))
   (if (<= beta 2e+88)
     (/ (* (+ beta 1.0) (+ 1.0 alpha)) (* t_1 (* t_0 t_1)))
     (/ (/ (+ 1.0 alpha) t_0) beta))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 3.0);
	double t_1 = (beta + 2.0) + alpha;
	double tmp;
	if (beta <= 2e+88) {
		tmp = ((beta + 1.0) * (1.0 + alpha)) / (t_1 * (t_0 * t_1));
	} else {
		tmp = ((1.0 + alpha) / t_0) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: tmp
    t_0 = alpha + (beta + 3.0d0)
    t_1 = (beta + 2.0d0) + alpha
    if (beta <= 2d+88) then
        tmp = ((beta + 1.0d0) * (1.0d0 + alpha)) / (t_1 * (t_0 * t_1))
    else
        tmp = ((1.0d0 + alpha) / t_0) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 3.0);
	double t_1 = (beta + 2.0) + alpha;
	double tmp;
	if (beta <= 2e+88) {
		tmp = ((beta + 1.0) * (1.0 + alpha)) / (t_1 * (t_0 * t_1));
	} else {
		tmp = ((1.0 + alpha) / t_0) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	t_0 = alpha + (beta + 3.0)
	t_1 = (beta + 2.0) + alpha
	tmp = 0
	if beta <= 2e+88:
		tmp = ((beta + 1.0) * (1.0 + alpha)) / (t_1 * (t_0 * t_1))
	else:
		tmp = ((1.0 + alpha) / t_0) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	t_0 = Float64(alpha + Float64(beta + 3.0))
	t_1 = Float64(Float64(beta + 2.0) + alpha)
	tmp = 0.0
	if (beta <= 2e+88)
		tmp = Float64(Float64(Float64(beta + 1.0) * Float64(1.0 + alpha)) / Float64(t_1 * Float64(t_0 * t_1)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / t_0) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	t_0 = alpha + (beta + 3.0);
	t_1 = (beta + 2.0) + alpha;
	tmp = 0.0;
	if (beta <= 2e+88)
		tmp = ((beta + 1.0) * (1.0 + alpha)) / (t_1 * (t_0 * t_1));
	else
		tmp = ((1.0 + alpha) / t_0) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := Block[{t$95$0 = N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(beta + 2.0), $MachinePrecision] + alpha), $MachinePrecision]}, If[LessEqual[beta, 2e+88], N[(N[(N[(beta + 1.0), $MachinePrecision] * N[(1.0 + alpha), $MachinePrecision]), $MachinePrecision] / N[(t$95$1 * N[(t$95$0 * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] / beta), $MachinePrecision]]]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
t_0 := \alpha + \left(\beta + 3\right)\\
t_1 := \left(\beta + 2\right) + \alpha\\
\mathbf{if}\;\beta \leq 2 \cdot 10^{+88}:\\
\;\;\;\;\frac{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}{t\_1 \cdot \left(t\_0 \cdot t\_1\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{t\_0}}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 1.99999999999999992e88

    1. Initial program 98.3%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified92.5%

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

    if 1.99999999999999992e88 < beta

    1. Initial program 75.7%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 87.1%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity87.1%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/91.2%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval91.2%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+91.2%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval91.2%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+91.2%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\alpha + \left(\beta + 3\right)\right)} \cdot \beta} \]
    5. Applied egg-rr91.2%

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity91.2%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*87.1%

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

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification91.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2 \cdot 10^{+88}:\\ \;\;\;\;\frac{\left(\beta + 1\right) \cdot \left(1 + \alpha\right)}{\left(\left(\beta + 2\right) + \alpha\right) \cdot \left(\left(\alpha + \left(\beta + 3\right)\right) \cdot \left(\left(\beta + 2\right) + \alpha\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 98.7% accurate, 1.5× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 6.8 \cdot 10^{+28}:\\ \;\;\;\;\frac{\frac{\beta + 1}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}{1 + \left(2 + \left(\beta + \alpha\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 6.8e+28)
   (/
    (/ (+ beta 1.0) (* (+ beta 2.0) (+ beta 2.0)))
    (+ 1.0 (+ 2.0 (+ beta alpha))))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ beta 3.0))) beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 6.8e+28) {
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (1.0 + (2.0 + (beta + alpha)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 6.8d+28) then
        tmp = ((beta + 1.0d0) / ((beta + 2.0d0) * (beta + 2.0d0))) / (1.0d0 + (2.0d0 + (beta + alpha)))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (beta + 3.0d0))) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 6.8e+28) {
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (1.0 + (2.0 + (beta + alpha)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 6.8e+28:
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (1.0 + (2.0 + (beta + alpha)))
	else:
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 6.8e+28)
		tmp = Float64(Float64(Float64(beta + 1.0) / Float64(Float64(beta + 2.0) * Float64(beta + 2.0))) / Float64(1.0 + Float64(2.0 + Float64(beta + alpha))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(beta + 3.0))) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 6.8e+28)
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (1.0 + (2.0 + (beta + alpha)));
	else
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 6.8e+28], N[(N[(N[(beta + 1.0), $MachinePrecision] / N[(N[(beta + 2.0), $MachinePrecision] * N[(beta + 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(1.0 + N[(2.0 + N[(beta + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 6.8 \cdot 10^{+28}:\\
\;\;\;\;\frac{\frac{\beta + 1}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}{1 + \left(2 + \left(\beta + \alpha\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 6.8e28

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Step-by-step derivation
      1. unpow267.4%

        \[\leadsto \frac{\frac{1 + \beta}{\color{blue}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Applied egg-rr67.4%

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

    if 6.8e28 < beta

    1. Initial program 76.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 82.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity82.4%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/89.4%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\alpha + \left(\beta + 3\right)\right)} \cdot \beta} \]
    5. Applied egg-rr89.4%

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity89.4%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*82.4%

        \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
    7. Simplified82.4%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 6.8 \cdot 10^{+28}:\\ \;\;\;\;\frac{\frac{\beta + 1}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}{1 + \left(2 + \left(\beta + \alpha\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 98.3% accurate, 1.6× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3.9 \cdot 10^{+35}:\\ \;\;\;\;\frac{\beta + 1}{\left(\left(\beta + 2\right) + \alpha\right) \cdot \left(\left(\beta + 2\right) \cdot \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 3.9e+35)
   (/ (+ beta 1.0) (* (+ (+ beta 2.0) alpha) (* (+ beta 2.0) (+ beta 3.0))))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ beta 3.0))) beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.9e+35) {
		tmp = (beta + 1.0) / (((beta + 2.0) + alpha) * ((beta + 2.0) * (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 3.9d+35) then
        tmp = (beta + 1.0d0) / (((beta + 2.0d0) + alpha) * ((beta + 2.0d0) * (beta + 3.0d0)))
    else
        tmp = ((1.0d0 + alpha) / (alpha + (beta + 3.0d0))) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.9e+35) {
		tmp = (beta + 1.0) / (((beta + 2.0) + alpha) * ((beta + 2.0) * (beta + 3.0)));
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 3.9e+35:
		tmp = (beta + 1.0) / (((beta + 2.0) + alpha) * ((beta + 2.0) * (beta + 3.0)))
	else:
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 3.9e+35)
		tmp = Float64(Float64(beta + 1.0) / Float64(Float64(Float64(beta + 2.0) + alpha) * Float64(Float64(beta + 2.0) * Float64(beta + 3.0))));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(beta + 3.0))) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 3.9e+35)
		tmp = (beta + 1.0) / (((beta + 2.0) + alpha) * ((beta + 2.0) * (beta + 3.0)));
	else
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 3.9e+35], N[(N[(beta + 1.0), $MachinePrecision] / N[(N[(N[(beta + 2.0), $MachinePrecision] + alpha), $MachinePrecision] * N[(N[(beta + 2.0), $MachinePrecision] * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 3.9 \cdot 10^{+35}:\\
\;\;\;\;\frac{\beta + 1}{\left(\left(\beta + 2\right) + \alpha\right) \cdot \left(\left(\beta + 2\right) \cdot \left(\beta + 3\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 3.8999999999999999e35

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified94.7%

      \[\leadsto \color{blue}{\frac{\left(\alpha + 1\right) \cdot \left(\beta + 1\right)}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in alpha around 0 81.8%

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

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

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

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

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

    if 3.8999999999999999e35 < beta

    1. Initial program 76.5%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 83.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity83.4%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/90.4%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval90.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+90.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval90.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+90.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\alpha + \left(\beta + 3\right)\right)} \cdot \beta} \]
    5. Applied egg-rr90.4%

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity90.4%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*83.4%

        \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
    7. Simplified83.4%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 3.9 \cdot 10^{+35}:\\ \;\;\;\;\frac{\beta + 1}{\left(\left(\beta + 2\right) + \alpha\right) \cdot \left(\left(\beta + 2\right) \cdot \left(\beta + 3\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 98.3% accurate, 1.7× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.3 \cdot 10^{+26}:\\ \;\;\;\;\frac{\frac{\beta + 1}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 2.3e+26)
   (/ (/ (+ beta 1.0) (* (+ beta 2.0) (+ beta 2.0))) (+ beta 3.0))
   (/ (/ (+ 1.0 alpha) (+ alpha (+ beta 3.0))) beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.3e+26) {
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 2.3d+26) then
        tmp = ((beta + 1.0d0) / ((beta + 2.0d0) * (beta + 2.0d0))) / (beta + 3.0d0)
    else
        tmp = ((1.0d0 + alpha) / (alpha + (beta + 3.0d0))) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.3e+26) {
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (beta + 3.0);
	} else {
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 2.3e+26:
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (beta + 3.0)
	else:
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 2.3e+26)
		tmp = Float64(Float64(Float64(beta + 1.0) / Float64(Float64(beta + 2.0) * Float64(beta + 2.0))) / Float64(beta + 3.0));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / Float64(alpha + Float64(beta + 3.0))) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 2.3e+26)
		tmp = ((beta + 1.0) / ((beta + 2.0) * (beta + 2.0))) / (beta + 3.0);
	else
		tmp = ((1.0 + alpha) / (alpha + (beta + 3.0))) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 2.3e+26], N[(N[(N[(beta + 1.0), $MachinePrecision] / N[(N[(beta + 2.0), $MachinePrecision] * N[(beta + 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.3 \cdot 10^{+26}:\\
\;\;\;\;\frac{\frac{\beta + 1}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}{\beta + 3}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.3000000000000001e26

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Step-by-step derivation
      1. unpow267.4%

        \[\leadsto \frac{\frac{1 + \beta}{\color{blue}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Applied egg-rr67.4%

      \[\leadsto \frac{\frac{1 + \beta}{\color{blue}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    8. Taylor expanded in alpha around 0 65.3%

      \[\leadsto \frac{\frac{1 + \beta}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}{\color{blue}{3 + \beta}} \]
    9. Step-by-step derivation
      1. +-commutative4.3%

        \[\leadsto \frac{\frac{1 + \alpha}{\beta}}{\color{blue}{\beta + 3}} \]
    10. Simplified65.3%

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

    if 2.3000000000000001e26 < beta

    1. Initial program 76.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in beta around inf 82.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity82.4%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/89.4%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+89.4%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\alpha + \left(\beta + 3\right)\right)} \cdot \beta} \]
    5. Applied egg-rr89.4%

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity89.4%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*82.4%

        \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
    7. Simplified82.4%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.3 \cdot 10^{+26}:\\ \;\;\;\;\frac{\frac{\beta + 1}{\left(\beta + 2\right) \cdot \left(\beta + 2\right)}}{\beta + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 97.5% accurate, 1.9× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.2:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{1 + \left(2 + \left(\beta + \alpha\right)\right)}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.2)
   (/ 0.25 (+ alpha (+ beta 3.0)))
   (/ (/ (+ 1.0 alpha) beta) (+ 1.0 (+ 2.0 (+ beta alpha))))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.2) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (beta + alpha)));
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.2d0) then
        tmp = 0.25d0 / (alpha + (beta + 3.0d0))
    else
        tmp = ((1.0d0 + alpha) / beta) / (1.0d0 + (2.0d0 + (beta + alpha)))
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.2) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (beta + alpha)));
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 4.2:
		tmp = 0.25 / (alpha + (beta + 3.0))
	else:
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (beta + alpha)))
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.2)
		tmp = Float64(0.25 / Float64(alpha + Float64(beta + 3.0)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / beta) / Float64(1.0 + Float64(2.0 + Float64(beta + alpha))));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.2)
		tmp = 0.25 / (alpha + (beta + 3.0));
	else
		tmp = ((1.0 + alpha) / beta) / (1.0 + (2.0 + (beta + alpha)));
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 4.2], N[(0.25 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / beta), $MachinePrecision] / N[(1.0 + N[(2.0 + N[(beta + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.2:\\
\;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\

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


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

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.3%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Step-by-step derivation
      1. *-un-lft-identity67.3%

        \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval67.3%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    8. Applied egg-rr67.4%

      \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    9. Step-by-step derivation
      1. *-lft-identity67.4%

        \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    10. Simplified67.4%

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

    if 4.20000000000000018 < 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. Add Preprocessing
    3. Taylor expanded in beta around inf 80.3%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.7%

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

Alternative 9: 97.5% accurate, 2.2× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} t_0 := \alpha + \left(\beta + 3\right)\\ \mathbf{if}\;\beta \leq 4.4:\\ \;\;\;\;\frac{0.25}{t\_0}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{t\_0}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ alpha (+ beta 3.0))))
   (if (<= beta 4.4) (/ 0.25 t_0) (/ (/ (+ 1.0 alpha) t_0) beta))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 3.0);
	double tmp;
	if (beta <= 4.4) {
		tmp = 0.25 / t_0;
	} else {
		tmp = ((1.0 + alpha) / t_0) / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: tmp
    t_0 = alpha + (beta + 3.0d0)
    if (beta <= 4.4d0) then
        tmp = 0.25d0 / t_0
    else
        tmp = ((1.0d0 + alpha) / t_0) / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 3.0);
	double tmp;
	if (beta <= 4.4) {
		tmp = 0.25 / t_0;
	} else {
		tmp = ((1.0 + alpha) / t_0) / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	t_0 = alpha + (beta + 3.0)
	tmp = 0
	if beta <= 4.4:
		tmp = 0.25 / t_0
	else:
		tmp = ((1.0 + alpha) / t_0) / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	t_0 = Float64(alpha + Float64(beta + 3.0))
	tmp = 0.0
	if (beta <= 4.4)
		tmp = Float64(0.25 / t_0);
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / t_0) / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	t_0 = alpha + (beta + 3.0);
	tmp = 0.0;
	if (beta <= 4.4)
		tmp = 0.25 / t_0;
	else
		tmp = ((1.0 + alpha) / t_0) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := Block[{t$95$0 = N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[beta, 4.4], N[(0.25 / t$95$0), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / t$95$0), $MachinePrecision] / beta), $MachinePrecision]]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
t_0 := \alpha + \left(\beta + 3\right)\\
\mathbf{if}\;\beta \leq 4.4:\\
\;\;\;\;\frac{0.25}{t\_0}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{t\_0}}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.4000000000000004

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.3%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Step-by-step derivation
      1. *-un-lft-identity67.3%

        \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval67.3%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    8. Applied egg-rr67.4%

      \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    9. Step-by-step derivation
      1. *-lft-identity67.4%

        \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    10. Simplified67.4%

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

    if 4.4000000000000004 < 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. Add Preprocessing
    3. Taylor expanded in beta around inf 80.3%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. *-un-lft-identity80.3%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{1 + \alpha}{\beta}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. associate-/l/86.7%

        \[\leadsto 1 \cdot \color{blue}{\frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \beta}} \]
      3. metadata-eval86.7%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \beta} \]
      4. associate-+l+86.7%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \beta} \]
      5. metadata-eval86.7%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \beta} \]
      6. associate-+r+86.7%

        \[\leadsto 1 \cdot \frac{1 + \alpha}{\color{blue}{\left(\alpha + \left(\beta + 3\right)\right)} \cdot \beta} \]
    5. Applied egg-rr86.7%

      \[\leadsto \color{blue}{1 \cdot \frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-lft-identity86.7%

        \[\leadsto \color{blue}{\frac{1 + \alpha}{\left(\alpha + \left(\beta + 3\right)\right) \cdot \beta}} \]
      2. associate-/r*80.3%

        \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
    7. Simplified80.3%

      \[\leadsto \color{blue}{\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.4:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\alpha + \left(\beta + 3\right)}}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 92.1% accurate, 2.5× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.1:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{\beta + 2}}{\beta + 3}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 2.1)
   (/ 0.25 (+ alpha (+ beta 3.0)))
   (/ (/ 1.0 (+ beta 2.0)) (+ beta 3.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.1) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = (1.0 / (beta + 2.0)) / (beta + 3.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 2.1d0) then
        tmp = 0.25d0 / (alpha + (beta + 3.0d0))
    else
        tmp = (1.0d0 / (beta + 2.0d0)) / (beta + 3.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.1) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = (1.0 / (beta + 2.0)) / (beta + 3.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 2.1:
		tmp = 0.25 / (alpha + (beta + 3.0))
	else:
		tmp = (1.0 / (beta + 2.0)) / (beta + 3.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 2.1)
		tmp = Float64(0.25 / Float64(alpha + Float64(beta + 3.0)));
	else
		tmp = Float64(Float64(1.0 / Float64(beta + 2.0)) / Float64(beta + 3.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 2.1)
		tmp = 0.25 / (alpha + (beta + 3.0));
	else
		tmp = (1.0 / (beta + 2.0)) / (beta + 3.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 2.1], N[(0.25 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 / N[(beta + 2.0), $MachinePrecision]), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.1:\\
\;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1}{\beta + 2}}{\beta + 3}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.10000000000000009

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.3%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Step-by-step derivation
      1. *-un-lft-identity67.3%

        \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval67.3%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    8. Applied egg-rr67.4%

      \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    9. Step-by-step derivation
      1. *-lft-identity67.4%

        \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    10. Simplified67.4%

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

    if 2.10000000000000009 < 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. Step-by-step derivation
      1. associate-/l/75.7%

        \[\leadsto \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
      2. +-commutative75.7%

        \[\leadsto \frac{\frac{\color{blue}{1 + \left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right)}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      3. associate-+l+75.7%

        \[\leadsto \frac{\frac{1 + \color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      4. *-commutative75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \color{blue}{\alpha \cdot \beta}\right)\right)}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      5. metadata-eval75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\left(\alpha + \beta\right) + \color{blue}{2}}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      6. associate-+l+75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\color{blue}{\alpha + \left(\beta + 2\right)}}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      7. metadata-eval75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      8. associate-+l+75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\color{blue}{\left(\left(\alpha + \beta\right) + \left(2 + 1\right)\right)} \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      9. metadata-eval75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + \color{blue}{3}\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]
      10. metadata-eval75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\left(\alpha + \beta\right) + \color{blue}{2}\right)} \]
      11. associate-+l+75.7%

        \[\leadsto \frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \color{blue}{\left(\alpha + \left(\beta + 2\right)\right)}} \]
    3. Simplified75.7%

      \[\leadsto \color{blue}{\frac{\frac{1 + \left(\alpha + \left(\beta + \alpha \cdot \beta\right)\right)}{\alpha + \left(\beta + 2\right)}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in beta around 0 61.5%

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

      \[\leadsto \frac{\color{blue}{1}}{\left(\left(\alpha + \beta\right) + 3\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]
    7. Taylor expanded in alpha around 0 76.0%

      \[\leadsto \color{blue}{\frac{1}{\left(2 + \beta\right) \cdot \left(3 + \beta\right)}} \]
    8. Step-by-step derivation
      1. associate-/r*76.7%

        \[\leadsto \color{blue}{\frac{\frac{1}{2 + \beta}}{3 + \beta}} \]
      2. +-commutative76.7%

        \[\leadsto \frac{\frac{1}{\color{blue}{\beta + 2}}}{3 + \beta} \]
      3. +-commutative76.7%

        \[\leadsto \frac{\frac{1}{\beta + 2}}{\color{blue}{\beta + 3}} \]
    9. Simplified76.7%

      \[\leadsto \color{blue}{\frac{\frac{1}{\beta + 2}}{\beta + 3}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification70.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.1:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{\beta + 2}}{\beta + 3}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 97.4% accurate, 2.5× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.4:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{\beta + 3}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.4)
   (/ 0.25 (+ alpha (+ beta 3.0)))
   (/ (/ (+ 1.0 alpha) beta) (+ beta 3.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.4) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = ((1.0 + alpha) / beta) / (beta + 3.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.4d0) then
        tmp = 0.25d0 / (alpha + (beta + 3.0d0))
    else
        tmp = ((1.0d0 + alpha) / beta) / (beta + 3.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.4) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = ((1.0 + alpha) / beta) / (beta + 3.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 4.4:
		tmp = 0.25 / (alpha + (beta + 3.0))
	else:
		tmp = ((1.0 + alpha) / beta) / (beta + 3.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.4)
		tmp = Float64(0.25 / Float64(alpha + Float64(beta + 3.0)));
	else
		tmp = Float64(Float64(Float64(1.0 + alpha) / beta) / Float64(beta + 3.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.4)
		tmp = 0.25 / (alpha + (beta + 3.0));
	else
		tmp = ((1.0 + alpha) / beta) / (beta + 3.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 4.4], N[(0.25 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + alpha), $MachinePrecision] / beta), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.4:\\
\;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{\beta + 3}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.4000000000000004

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.3%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Step-by-step derivation
      1. *-un-lft-identity67.3%

        \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval67.3%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    8. Applied egg-rr67.4%

      \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    9. Step-by-step derivation
      1. *-lft-identity67.4%

        \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    10. Simplified67.4%

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

    if 4.4000000000000004 < 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. Add Preprocessing
    3. Taylor expanded in beta around inf 80.3%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 80.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\beta}}{\color{blue}{3 + \beta}} \]
    5. Step-by-step derivation
      1. +-commutative80.0%

        \[\leadsto \frac{\frac{1 + \alpha}{\beta}}{\color{blue}{\beta + 3}} \]
    6. Simplified80.0%

      \[\leadsto \frac{\frac{1 + \alpha}{\beta}}{\color{blue}{\beta + 3}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.4:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{\beta + 3}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 91.5% accurate, 2.9× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.4:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.4)
   (/ 0.25 (+ alpha (+ beta 3.0)))
   (/ 1.0 (* beta (+ beta 3.0)))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.4) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = 1.0 / (beta * (beta + 3.0));
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.4d0) then
        tmp = 0.25d0 / (alpha + (beta + 3.0d0))
    else
        tmp = 1.0d0 / (beta * (beta + 3.0d0))
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.4) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = 1.0 / (beta * (beta + 3.0));
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 4.4:
		tmp = 0.25 / (alpha + (beta + 3.0))
	else:
		tmp = 1.0 / (beta * (beta + 3.0))
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.4)
		tmp = Float64(0.25 / Float64(alpha + Float64(beta + 3.0)));
	else
		tmp = Float64(1.0 / Float64(beta * Float64(beta + 3.0)));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.4)
		tmp = 0.25 / (alpha + (beta + 3.0));
	else
		tmp = 1.0 / (beta * (beta + 3.0));
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 4.4], N[(0.25 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(beta * N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.4:\\
\;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\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 < 4.4000000000000004

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.3%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Step-by-step derivation
      1. *-un-lft-identity67.3%

        \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval67.3%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    8. Applied egg-rr67.4%

      \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    9. Step-by-step derivation
      1. *-lft-identity67.4%

        \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    10. Simplified67.4%

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

    if 4.4000000000000004 < 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. Add Preprocessing
    3. Taylor expanded in beta around inf 80.3%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 75.9%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.4:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\beta \cdot \left(\beta + 3\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 92.0% accurate, 2.9× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{\beta}}{\beta + 3}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 4.5)
   (/ 0.25 (+ alpha (+ beta 3.0)))
   (/ (/ 1.0 beta) (+ beta 3.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = (1.0 / beta) / (beta + 3.0);
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 4.5d0) then
        tmp = 0.25d0 / (alpha + (beta + 3.0d0))
    else
        tmp = (1.0d0 / beta) / (beta + 3.0d0)
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 4.5) {
		tmp = 0.25 / (alpha + (beta + 3.0));
	} else {
		tmp = (1.0 / beta) / (beta + 3.0);
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 4.5:
		tmp = 0.25 / (alpha + (beta + 3.0))
	else:
		tmp = (1.0 / beta) / (beta + 3.0)
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 4.5)
		tmp = Float64(0.25 / Float64(alpha + Float64(beta + 3.0)));
	else
		tmp = Float64(Float64(1.0 / beta) / Float64(beta + 3.0));
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 4.5)
		tmp = 0.25 / (alpha + (beta + 3.0));
	else
		tmp = (1.0 / beta) / (beta + 3.0);
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 4.5], N[(0.25 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 / beta), $MachinePrecision] / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.5:\\
\;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1}{\beta}}{\beta + 3}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.5

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.3%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Step-by-step derivation
      1. *-un-lft-identity67.3%

        \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
      2. metadata-eval67.3%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
      3. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
      4. metadata-eval67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
      5. associate-+l+67.4%

        \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
    8. Applied egg-rr67.4%

      \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    9. Step-by-step derivation
      1. *-lft-identity67.4%

        \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
    10. Simplified67.4%

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

    if 4.5 < 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. Add Preprocessing
    3. Taylor expanded in beta around inf 80.3%

      \[\leadsto \frac{\color{blue}{\frac{1 + \alpha}{\beta}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Taylor expanded in alpha around 0 75.9%

      \[\leadsto \color{blue}{\frac{1}{\beta \cdot \left(3 + \beta\right)}} \]
    5. Step-by-step derivation
      1. associate-/r*76.6%

        \[\leadsto \color{blue}{\frac{\frac{1}{\beta}}{3 + \beta}} \]
      2. +-commutative76.6%

        \[\leadsto \frac{\frac{1}{\beta}}{\color{blue}{\beta + 3}} \]
    6. Simplified76.6%

      \[\leadsto \color{blue}{\frac{\frac{1}{\beta}}{\beta + 3}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification70.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 4.5:\\ \;\;\;\;\frac{0.25}{\alpha + \left(\beta + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{\beta}}{\beta + 3}\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 47.4% accurate, 3.5× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.5:\\ \;\;\;\;0.08333333333333333 + \alpha \cdot -0.027777777777777776\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 2.5)
   (+ 0.08333333333333333 (* alpha -0.027777777777777776))
   (/ 0.25 beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.5) {
		tmp = 0.08333333333333333 + (alpha * -0.027777777777777776);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 2.5d0) then
        tmp = 0.08333333333333333d0 + (alpha * (-0.027777777777777776d0))
    else
        tmp = 0.25d0 / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 2.5) {
		tmp = 0.08333333333333333 + (alpha * -0.027777777777777776);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 2.5:
		tmp = 0.08333333333333333 + (alpha * -0.027777777777777776)
	else:
		tmp = 0.25 / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 2.5)
		tmp = Float64(0.08333333333333333 + Float64(alpha * -0.027777777777777776));
	else
		tmp = Float64(0.25 / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 2.5)
		tmp = 0.08333333333333333 + (alpha * -0.027777777777777776);
	else
		tmp = 0.25 / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 2.5], N[(0.08333333333333333 + N[(alpha * -0.027777777777777776), $MachinePrecision]), $MachinePrecision], N[(0.25 / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.5:\\
\;\;\;\;0.08333333333333333 + \alpha \cdot -0.027777777777777776\\

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


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

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.1%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \alpha}} \]
    7. Taylor expanded in alpha around 0 65.2%

      \[\leadsto \color{blue}{0.08333333333333333 + -0.027777777777777776 \cdot \alpha} \]
    8. Step-by-step derivation
      1. *-commutative65.2%

        \[\leadsto 0.08333333333333333 + \color{blue}{\alpha \cdot -0.027777777777777776} \]
    9. Simplified65.2%

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

    if 2.5 < 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. Add Preprocessing
    3. Taylor expanded in alpha around 0 85.2%

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

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified85.2%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 7.7%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Taylor expanded in beta around inf 7.0%

      \[\leadsto \color{blue}{\frac{0.25}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification45.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.5:\\ \;\;\;\;0.08333333333333333 + \alpha \cdot -0.027777777777777776\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 47.3% accurate, 3.5× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3.2:\\ \;\;\;\;\frac{0.25}{\alpha + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 3.2) (/ 0.25 (+ alpha 3.0)) (/ 0.25 beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.2) {
		tmp = 0.25 / (alpha + 3.0);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 3.2d0) then
        tmp = 0.25d0 / (alpha + 3.0d0)
    else
        tmp = 0.25d0 / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.2) {
		tmp = 0.25 / (alpha + 3.0);
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 3.2:
		tmp = 0.25 / (alpha + 3.0)
	else:
		tmp = 0.25 / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 3.2)
		tmp = Float64(0.25 / Float64(alpha + 3.0));
	else
		tmp = Float64(0.25 / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp_2 = code(alpha, beta)
	tmp = 0.0;
	if (beta <= 3.2)
		tmp = 0.25 / (alpha + 3.0);
	else
		tmp = 0.25 / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 3.2], N[(0.25 / N[(alpha + 3.0), $MachinePrecision]), $MachinePrecision], N[(0.25 / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 3.2:\\
\;\;\;\;\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 < 3.2000000000000002

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.1%

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

    if 3.2000000000000002 < 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. Add Preprocessing
    3. Taylor expanded in alpha around 0 85.2%

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

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified85.2%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 7.7%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Taylor expanded in beta around inf 7.0%

      \[\leadsto \color{blue}{\frac{0.25}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification46.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 3.2:\\ \;\;\;\;\frac{0.25}{\alpha + 3}\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 16: 46.9% accurate, 4.4× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3:\\ \;\;\;\;0.08333333333333333\\ \mathbf{else}:\\ \;\;\;\;\frac{0.25}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta)
 :precision binary64
 (if (<= beta 3.0) 0.08333333333333333 (/ 0.25 beta)))
assert(alpha < beta);
double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.0) {
		tmp = 0.08333333333333333;
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: tmp
    if (beta <= 3.0d0) then
        tmp = 0.08333333333333333d0
    else
        tmp = 0.25d0 / beta
    end if
    code = tmp
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	double tmp;
	if (beta <= 3.0) {
		tmp = 0.08333333333333333;
	} else {
		tmp = 0.25 / beta;
	}
	return tmp;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	tmp = 0
	if beta <= 3.0:
		tmp = 0.08333333333333333
	else:
		tmp = 0.25 / beta
	return tmp
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	tmp = 0.0
	if (beta <= 3.0)
		tmp = 0.08333333333333333;
	else
		tmp = Float64(0.25 / beta);
	end
	return tmp
end
alpha, beta = num2cell(sort([alpha, beta])){:}
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
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := If[LessEqual[beta, 3.0], 0.08333333333333333, N[(0.25 / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\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 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Add Preprocessing
    3. Taylor expanded in alpha around 0 67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    4. Step-by-step derivation
      1. +-commutative67.4%

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified67.4%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 67.1%

      \[\leadsto \color{blue}{\frac{0.25}{3 + \alpha}} \]
    7. Taylor expanded in alpha around 0 64.9%

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

    if 3 < 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. Add Preprocessing
    3. Taylor expanded in alpha around 0 85.2%

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

        \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    5. Simplified85.2%

      \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    6. Taylor expanded in beta around 0 7.7%

      \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    7. Taylor expanded in beta around inf 7.0%

      \[\leadsto \color{blue}{\frac{0.25}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification45.2%

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

Alternative 17: 47.8% accurate, 5.0× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \frac{0.25}{\alpha + \left(\beta + 3\right)} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta) :precision binary64 (/ 0.25 (+ alpha (+ beta 3.0))))
assert(alpha < beta);
double code(double alpha, double beta) {
	return 0.25 / (alpha + (beta + 3.0));
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.25d0 / (alpha + (beta + 3.0d0))
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	return 0.25 / (alpha + (beta + 3.0));
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	return 0.25 / (alpha + (beta + 3.0))
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	return Float64(0.25 / Float64(alpha + Float64(beta + 3.0)))
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	tmp = 0.25 / (alpha + (beta + 3.0));
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := N[(0.25 / N[(alpha + N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\frac{0.25}{\alpha + \left(\beta + 3\right)}
\end{array}
Derivation
  1. Initial program 92.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Add Preprocessing
  3. Taylor expanded in alpha around 0 73.4%

    \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  4. Step-by-step derivation
    1. +-commutative73.4%

      \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  5. Simplified73.4%

    \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  6. Taylor expanded in beta around 0 47.0%

    \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  7. Step-by-step derivation
    1. *-un-lft-identity47.0%

      \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}} \]
    2. metadata-eval47.0%

      \[\leadsto 1 \cdot \frac{0.25}{\left(\left(\alpha + \beta\right) + \color{blue}{2}\right) + 1} \]
    3. associate-+l+47.1%

      \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\left(\alpha + \beta\right) + \left(2 + 1\right)}} \]
    4. metadata-eval47.1%

      \[\leadsto 1 \cdot \frac{0.25}{\left(\alpha + \beta\right) + \color{blue}{3}} \]
    5. associate-+l+47.1%

      \[\leadsto 1 \cdot \frac{0.25}{\color{blue}{\alpha + \left(\beta + 3\right)}} \]
  8. Applied egg-rr47.1%

    \[\leadsto \color{blue}{1 \cdot \frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
  9. Step-by-step derivation
    1. *-lft-identity47.1%

      \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
  10. Simplified47.1%

    \[\leadsto \color{blue}{\frac{0.25}{\alpha + \left(\beta + 3\right)}} \]
  11. Final simplification47.1%

    \[\leadsto \frac{0.25}{\alpha + \left(\beta + 3\right)} \]
  12. Add Preprocessing

Alternative 18: 47.4% accurate, 7.0× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ \frac{0.25}{\beta + 3} \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta) :precision binary64 (/ 0.25 (+ beta 3.0)))
assert(alpha < beta);
double code(double alpha, double beta) {
	return 0.25 / (beta + 3.0);
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.25d0 / (beta + 3.0d0)
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	return 0.25 / (beta + 3.0);
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	return 0.25 / (beta + 3.0)
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	return Float64(0.25 / Float64(beta + 3.0))
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	tmp = 0.25 / (beta + 3.0);
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := N[(0.25 / N[(beta + 3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
\frac{0.25}{\beta + 3}
\end{array}
Derivation
  1. Initial program 92.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Add Preprocessing
  3. Taylor expanded in alpha around 0 73.4%

    \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  4. Step-by-step derivation
    1. +-commutative73.4%

      \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  5. Simplified73.4%

    \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  6. Taylor expanded in beta around 0 47.0%

    \[\leadsto \frac{\color{blue}{0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  7. Taylor expanded in alpha around 0 45.4%

    \[\leadsto \color{blue}{\frac{0.25}{3 + \beta}} \]
  8. Step-by-step derivation
    1. +-commutative45.4%

      \[\leadsto \frac{0.25}{\color{blue}{\beta + 3}} \]
  9. Simplified45.4%

    \[\leadsto \color{blue}{\frac{0.25}{\beta + 3}} \]
  10. Final simplification45.4%

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

Alternative 19: 45.2% accurate, 35.0× speedup?

\[\begin{array}{l} [alpha, beta] = \mathsf{sort}([alpha, beta])\\ \\ 0.08333333333333333 \end{array} \]
NOTE: alpha and beta should be sorted in increasing order before calling this function.
(FPCore (alpha beta) :precision binary64 0.08333333333333333)
assert(alpha < beta);
double code(double alpha, double beta) {
	return 0.08333333333333333;
}
NOTE: alpha and beta should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = 0.08333333333333333d0
end function
assert alpha < beta;
public static double code(double alpha, double beta) {
	return 0.08333333333333333;
}
[alpha, beta] = sort([alpha, beta])
def code(alpha, beta):
	return 0.08333333333333333
alpha, beta = sort([alpha, beta])
function code(alpha, beta)
	return 0.08333333333333333
end
alpha, beta = num2cell(sort([alpha, beta])){:}
function tmp = code(alpha, beta)
	tmp = 0.08333333333333333;
end
NOTE: alpha and beta should be sorted in increasing order before calling this function.
code[alpha_, beta_] := 0.08333333333333333
\begin{array}{l}
[alpha, beta] = \mathsf{sort}([alpha, beta])\\
\\
0.08333333333333333
\end{array}
Derivation
  1. Initial program 92.5%

    \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  2. Add Preprocessing
  3. Taylor expanded in alpha around 0 73.4%

    \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(2 + \beta\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  4. Step-by-step derivation
    1. +-commutative73.4%

      \[\leadsto \frac{\frac{1 + \beta}{{\color{blue}{\left(\beta + 2\right)}}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  5. Simplified73.4%

    \[\leadsto \frac{\color{blue}{\frac{1 + \beta}{{\left(\beta + 2\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
  6. Taylor expanded in beta around 0 46.0%

    \[\leadsto \color{blue}{\frac{0.25}{3 + \alpha}} \]
  7. Taylor expanded in alpha around 0 44.1%

    \[\leadsto \color{blue}{0.08333333333333333} \]
  8. Final simplification44.1%

    \[\leadsto 0.08333333333333333 \]
  9. Add Preprocessing

Reproduce

?
herbie shell --seed 2024062 
(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)))