Octave 3.8, jcobi/4

Percentage Accurate: 14.9% → 85.5%
Time: 14.4s
Alternatives: 7
Speedup: 115.0×

Specification

?
\[\left(\alpha > -1 \land \beta > -1\right) \land i > 1\]
\[\begin{array}{l} \\ \begin{array}{l} t_0 := i \cdot \left(\left(\alpha + \beta\right) + i\right)\\ t_1 := \left(\alpha + \beta\right) + 2 \cdot i\\ t_2 := t\_1 \cdot t\_1\\ \frac{\frac{t\_0 \cdot \left(\beta \cdot \alpha + t\_0\right)}{t\_2}}{t\_2 - 1} \end{array} \end{array} \]
(FPCore (alpha beta i)
 :precision binary64
 (let* ((t_0 (* i (+ (+ alpha beta) i)))
        (t_1 (+ (+ alpha beta) (* 2.0 i)))
        (t_2 (* t_1 t_1)))
   (/ (/ (* t_0 (+ (* beta alpha) t_0)) t_2) (- t_2 1.0))))
double code(double alpha, double beta, double i) {
	double t_0 = i * ((alpha + beta) + i);
	double t_1 = (alpha + beta) + (2.0 * i);
	double t_2 = t_1 * t_1;
	return ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0);
}
real(8) function code(alpha, beta, i)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8), intent (in) :: i
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: t_2
    t_0 = i * ((alpha + beta) + i)
    t_1 = (alpha + beta) + (2.0d0 * i)
    t_2 = t_1 * t_1
    code = ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0d0)
end function
public static double code(double alpha, double beta, double i) {
	double t_0 = i * ((alpha + beta) + i);
	double t_1 = (alpha + beta) + (2.0 * i);
	double t_2 = t_1 * t_1;
	return ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0);
}
def code(alpha, beta, i):
	t_0 = i * ((alpha + beta) + i)
	t_1 = (alpha + beta) + (2.0 * i)
	t_2 = t_1 * t_1
	return ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0)
function code(alpha, beta, i)
	t_0 = Float64(i * Float64(Float64(alpha + beta) + i))
	t_1 = Float64(Float64(alpha + beta) + Float64(2.0 * i))
	t_2 = Float64(t_1 * t_1)
	return Float64(Float64(Float64(t_0 * Float64(Float64(beta * alpha) + t_0)) / t_2) / Float64(t_2 - 1.0))
end
function tmp = code(alpha, beta, i)
	t_0 = i * ((alpha + beta) + i);
	t_1 = (alpha + beta) + (2.0 * i);
	t_2 = t_1 * t_1;
	tmp = ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0);
end
code[alpha_, beta_, i_] := Block[{t$95$0 = N[(i * N[(N[(alpha + beta), $MachinePrecision] + i), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * i), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(t$95$1 * t$95$1), $MachinePrecision]}, N[(N[(N[(t$95$0 * N[(N[(beta * alpha), $MachinePrecision] + t$95$0), $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision] / N[(t$95$2 - 1.0), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := i \cdot \left(\left(\alpha + \beta\right) + i\right)\\
t_1 := \left(\alpha + \beta\right) + 2 \cdot i\\
t_2 := t\_1 \cdot t\_1\\
\frac{\frac{t\_0 \cdot \left(\beta \cdot \alpha + t\_0\right)}{t\_2}}{t\_2 - 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 7 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: 14.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := i \cdot \left(\left(\alpha + \beta\right) + i\right)\\ t_1 := \left(\alpha + \beta\right) + 2 \cdot i\\ t_2 := t\_1 \cdot t\_1\\ \frac{\frac{t\_0 \cdot \left(\beta \cdot \alpha + t\_0\right)}{t\_2}}{t\_2 - 1} \end{array} \end{array} \]
(FPCore (alpha beta i)
 :precision binary64
 (let* ((t_0 (* i (+ (+ alpha beta) i)))
        (t_1 (+ (+ alpha beta) (* 2.0 i)))
        (t_2 (* t_1 t_1)))
   (/ (/ (* t_0 (+ (* beta alpha) t_0)) t_2) (- t_2 1.0))))
double code(double alpha, double beta, double i) {
	double t_0 = i * ((alpha + beta) + i);
	double t_1 = (alpha + beta) + (2.0 * i);
	double t_2 = t_1 * t_1;
	return ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0);
}
real(8) function code(alpha, beta, i)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8), intent (in) :: i
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: t_2
    t_0 = i * ((alpha + beta) + i)
    t_1 = (alpha + beta) + (2.0d0 * i)
    t_2 = t_1 * t_1
    code = ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0d0)
end function
public static double code(double alpha, double beta, double i) {
	double t_0 = i * ((alpha + beta) + i);
	double t_1 = (alpha + beta) + (2.0 * i);
	double t_2 = t_1 * t_1;
	return ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0);
}
def code(alpha, beta, i):
	t_0 = i * ((alpha + beta) + i)
	t_1 = (alpha + beta) + (2.0 * i)
	t_2 = t_1 * t_1
	return ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0)
function code(alpha, beta, i)
	t_0 = Float64(i * Float64(Float64(alpha + beta) + i))
	t_1 = Float64(Float64(alpha + beta) + Float64(2.0 * i))
	t_2 = Float64(t_1 * t_1)
	return Float64(Float64(Float64(t_0 * Float64(Float64(beta * alpha) + t_0)) / t_2) / Float64(t_2 - 1.0))
end
function tmp = code(alpha, beta, i)
	t_0 = i * ((alpha + beta) + i);
	t_1 = (alpha + beta) + (2.0 * i);
	t_2 = t_1 * t_1;
	tmp = ((t_0 * ((beta * alpha) + t_0)) / t_2) / (t_2 - 1.0);
end
code[alpha_, beta_, i_] := Block[{t$95$0 = N[(i * N[(N[(alpha + beta), $MachinePrecision] + i), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * i), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(t$95$1 * t$95$1), $MachinePrecision]}, N[(N[(N[(t$95$0 * N[(N[(beta * alpha), $MachinePrecision] + t$95$0), $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision] / N[(t$95$2 - 1.0), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := i \cdot \left(\left(\alpha + \beta\right) + i\right)\\
t_1 := \left(\alpha + \beta\right) + 2 \cdot i\\
t_2 := t\_1 \cdot t\_1\\
\frac{\frac{t\_0 \cdot \left(\beta \cdot \alpha + t\_0\right)}{t\_2}}{t\_2 - 1}
\end{array}
\end{array}

Alternative 1: 85.5% accurate, 2.7× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.6 \cdot 10^{+157}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\left(\frac{1}{\beta} \cdot \left(i + \alpha\right)\right) \cdot \frac{i}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 2.6e+157)
   (+ 0.0625 (/ 0.015625 (* i i)))
   (* (* (/ 1.0 beta) (+ i alpha)) (/ i beta))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 2.6e+157) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = ((1.0 / beta) * (i + alpha)) * (i / beta);
	}
	return tmp;
}
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta, i)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8), intent (in) :: i
    real(8) :: tmp
    if (beta <= 2.6d+157) then
        tmp = 0.0625d0 + (0.015625d0 / (i * i))
    else
        tmp = ((1.0d0 / beta) * (i + alpha)) * (i / beta)
    end if
    code = tmp
end function
assert alpha < beta && beta < i;
public static double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 2.6e+157) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = ((1.0 / beta) * (i + alpha)) * (i / beta);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 2.6e+157:
		tmp = 0.0625 + (0.015625 / (i * i))
	else:
		tmp = ((1.0 / beta) * (i + alpha)) * (i / beta)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 2.6e+157)
		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
	else
		tmp = Float64(Float64(Float64(1.0 / beta) * Float64(i + alpha)) * Float64(i / beta));
	end
	return tmp
end
alpha, beta, i = num2cell(sort([alpha, beta, i])){:}
function tmp_2 = code(alpha, beta, i)
	tmp = 0.0;
	if (beta <= 2.6e+157)
		tmp = 0.0625 + (0.015625 / (i * i));
	else
		tmp = ((1.0 / beta) * (i + alpha)) * (i / beta);
	end
	tmp_2 = tmp;
end
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
code[alpha_, beta_, i_] := If[LessEqual[beta, 2.6e+157], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 / beta), $MachinePrecision] * N[(i + alpha), $MachinePrecision]), $MachinePrecision] * N[(i / beta), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.6 \cdot 10^{+157}:\\
\;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.60000000000000011e157

    1. Initial program 22.5%

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

      \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
    4. Step-by-step derivation
      1. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      2. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      3. unpow2N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      5. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      7. +-lowering-+.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\color{blue}{\left(\beta + i\right)} \cdot \left(\beta + i\right)\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      8. +-lowering-+.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \color{blue}{\left(\beta + i\right)}\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      9. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      10. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      11. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      12. +-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\left(2 \cdot i + \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      13. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\left(\color{blue}{i \cdot 2} + \beta\right) \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      14. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\mathsf{fma}\left(i, 2, \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      15. +-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\left(2 \cdot i + \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      16. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \left(\color{blue}{i \cdot 2} + \beta\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      17. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\mathsf{fma}\left(i, 2, \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      18. sub-negN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\left({\left(\beta + 2 \cdot i\right)}^{2} + \left(\mathsf{neg}\left(1\right)\right)\right)}} \]
      19. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)} + \left(\mathsf{neg}\left(1\right)\right)\right)} \]
      20. metadata-evalN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right) + \color{blue}{-1}\right)} \]
      21. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\mathsf{fma}\left(\beta + 2 \cdot i, \beta + 2 \cdot i, -1\right)}} \]
    5. Simplified19.7%

      \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \mathsf{fma}\left(\mathsf{fma}\left(i, 2, \beta\right), \mathsf{fma}\left(i, 2, \beta\right), -1\right)}} \]
    6. Taylor expanded in beta around 0

      \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{i}^{2}}{4 \cdot {i}^{2} - 1}} \]
    7. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      2. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
      5. unpow2N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
      7. sub-negN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{4 \cdot {i}^{2} + \left(\mathsf{neg}\left(1\right)\right)}} \]
      8. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{{i}^{2} \cdot 4} + \left(\mathsf{neg}\left(1\right)\right)} \]
      9. metadata-evalN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{{i}^{2} \cdot 4 + \color{blue}{-1}} \]
      10. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{\mathsf{fma}\left({i}^{2}, 4, -1\right)}} \]
      11. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
      12. *-lowering-*.f6438.0

        \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
    8. Simplified38.0%

      \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(i \cdot i, 4, -1\right)}} \]
    9. Taylor expanded in i around inf

      \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
    10. Step-by-step derivation
      1. +-lowering-+.f64N/A

        \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
      2. associate-*r/N/A

        \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64} \cdot 1}{{i}^{2}}} \]
      3. metadata-evalN/A

        \[\leadsto \frac{1}{16} + \frac{\color{blue}{\frac{1}{64}}}{{i}^{2}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64}}{{i}^{2}}} \]
      5. unpow2N/A

        \[\leadsto \frac{1}{16} + \frac{\frac{1}{64}}{\color{blue}{i \cdot i}} \]
      6. *-lowering-*.f6480.3

        \[\leadsto 0.0625 + \frac{0.015625}{\color{blue}{i \cdot i}} \]
    11. Simplified80.3%

      \[\leadsto \color{blue}{0.0625 + \frac{0.015625}{i \cdot i}} \]

    if 2.60000000000000011e157 < beta

    1. Initial program 0.0%

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

      \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
    4. Step-by-step derivation
      1. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
      2. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{i \cdot \left(\alpha + i\right)}}{{\beta}^{2}} \]
      3. +-lowering-+.f64N/A

        \[\leadsto \frac{i \cdot \color{blue}{\left(\alpha + i\right)}}{{\beta}^{2}} \]
      4. unpow2N/A

        \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
      5. *-lowering-*.f6424.5

        \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
    5. Simplified24.5%

      \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{\beta \cdot \beta}} \]
    6. Step-by-step derivation
      1. times-fracN/A

        \[\leadsto \color{blue}{\frac{i}{\beta} \cdot \frac{\alpha + i}{\beta}} \]
      2. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{i}{\beta} \cdot \left(\alpha + i\right)}{\beta}} \]
      3. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{i}{\beta} \cdot \left(\alpha + i\right)}{\beta}} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\frac{i}{\beta} \cdot \left(\alpha + i\right)}}{\beta} \]
      5. /-lowering-/.f64N/A

        \[\leadsto \frac{\color{blue}{\frac{i}{\beta}} \cdot \left(\alpha + i\right)}{\beta} \]
      6. +-commutativeN/A

        \[\leadsto \frac{\frac{i}{\beta} \cdot \color{blue}{\left(i + \alpha\right)}}{\beta} \]
      7. +-lowering-+.f6473.7

        \[\leadsto \frac{\frac{i}{\beta} \cdot \color{blue}{\left(i + \alpha\right)}}{\beta} \]
    7. Applied egg-rr73.7%

      \[\leadsto \color{blue}{\frac{\frac{i}{\beta} \cdot \left(i + \alpha\right)}{\beta}} \]
    8. Step-by-step derivation
      1. clear-numN/A

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

        \[\leadsto \color{blue}{\frac{1}{\beta} \cdot \left(\frac{i}{\beta} \cdot \left(i + \alpha\right)\right)} \]
      3. *-commutativeN/A

        \[\leadsto \frac{1}{\beta} \cdot \color{blue}{\left(\left(i + \alpha\right) \cdot \frac{i}{\beta}\right)} \]
      4. associate-*r*N/A

        \[\leadsto \color{blue}{\left(\frac{1}{\beta} \cdot \left(i + \alpha\right)\right) \cdot \frac{i}{\beta}} \]
      5. *-lowering-*.f64N/A

        \[\leadsto \color{blue}{\left(\frac{1}{\beta} \cdot \left(i + \alpha\right)\right) \cdot \frac{i}{\beta}} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \color{blue}{\left(\frac{1}{\beta} \cdot \left(i + \alpha\right)\right)} \cdot \frac{i}{\beta} \]
      7. /-lowering-/.f64N/A

        \[\leadsto \left(\color{blue}{\frac{1}{\beta}} \cdot \left(i + \alpha\right)\right) \cdot \frac{i}{\beta} \]
      8. +-commutativeN/A

        \[\leadsto \left(\frac{1}{\beta} \cdot \color{blue}{\left(\alpha + i\right)}\right) \cdot \frac{i}{\beta} \]
      9. +-lowering-+.f64N/A

        \[\leadsto \left(\frac{1}{\beta} \cdot \color{blue}{\left(\alpha + i\right)}\right) \cdot \frac{i}{\beta} \]
      10. /-lowering-/.f6473.8

        \[\leadsto \left(\frac{1}{\beta} \cdot \left(\alpha + i\right)\right) \cdot \color{blue}{\frac{i}{\beta}} \]
    9. Applied egg-rr73.8%

      \[\leadsto \color{blue}{\left(\frac{1}{\beta} \cdot \left(\alpha + i\right)\right) \cdot \frac{i}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.6 \cdot 10^{+157}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\left(\frac{1}{\beta} \cdot \left(i + \alpha\right)\right) \cdot \frac{i}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 85.4% accurate, 3.1× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.4 \cdot 10^{+156}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i}{\beta} \cdot \frac{i + \alpha}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 2.4e+156)
   (+ 0.0625 (/ 0.015625 (* i i)))
   (* (/ i beta) (/ (+ i alpha) beta))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 2.4e+156) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i / beta) * ((i + alpha) / beta);
	}
	return tmp;
}
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta, i)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8), intent (in) :: i
    real(8) :: tmp
    if (beta <= 2.4d+156) then
        tmp = 0.0625d0 + (0.015625d0 / (i * i))
    else
        tmp = (i / beta) * ((i + alpha) / beta)
    end if
    code = tmp
end function
assert alpha < beta && beta < i;
public static double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 2.4e+156) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i / beta) * ((i + alpha) / beta);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 2.4e+156:
		tmp = 0.0625 + (0.015625 / (i * i))
	else:
		tmp = (i / beta) * ((i + alpha) / beta)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 2.4e+156)
		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
	else
		tmp = Float64(Float64(i / beta) * Float64(Float64(i + alpha) / beta));
	end
	return tmp
end
alpha, beta, i = num2cell(sort([alpha, beta, i])){:}
function tmp_2 = code(alpha, beta, i)
	tmp = 0.0;
	if (beta <= 2.4e+156)
		tmp = 0.0625 + (0.015625 / (i * i));
	else
		tmp = (i / beta) * ((i + alpha) / beta);
	end
	tmp_2 = tmp;
end
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
code[alpha_, beta_, i_] := If[LessEqual[beta, 2.4e+156], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(i / beta), $MachinePrecision] * N[(N[(i + alpha), $MachinePrecision] / beta), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.4 \cdot 10^{+156}:\\
\;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\

\mathbf{else}:\\
\;\;\;\;\frac{i}{\beta} \cdot \frac{i + \alpha}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.4000000000000001e156

    1. Initial program 22.5%

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

      \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
    4. Step-by-step derivation
      1. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      2. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      3. unpow2N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      5. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      7. +-lowering-+.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\color{blue}{\left(\beta + i\right)} \cdot \left(\beta + i\right)\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      8. +-lowering-+.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \color{blue}{\left(\beta + i\right)}\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      9. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      10. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      11. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      12. +-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\left(2 \cdot i + \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      13. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\left(\color{blue}{i \cdot 2} + \beta\right) \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      14. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\mathsf{fma}\left(i, 2, \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      15. +-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\left(2 \cdot i + \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      16. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \left(\color{blue}{i \cdot 2} + \beta\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      17. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\mathsf{fma}\left(i, 2, \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      18. sub-negN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\left({\left(\beta + 2 \cdot i\right)}^{2} + \left(\mathsf{neg}\left(1\right)\right)\right)}} \]
      19. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)} + \left(\mathsf{neg}\left(1\right)\right)\right)} \]
      20. metadata-evalN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right) + \color{blue}{-1}\right)} \]
      21. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\mathsf{fma}\left(\beta + 2 \cdot i, \beta + 2 \cdot i, -1\right)}} \]
    5. Simplified19.7%

      \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \mathsf{fma}\left(\mathsf{fma}\left(i, 2, \beta\right), \mathsf{fma}\left(i, 2, \beta\right), -1\right)}} \]
    6. Taylor expanded in beta around 0

      \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{i}^{2}}{4 \cdot {i}^{2} - 1}} \]
    7. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      2. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
      5. unpow2N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
      7. sub-negN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{4 \cdot {i}^{2} + \left(\mathsf{neg}\left(1\right)\right)}} \]
      8. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{{i}^{2} \cdot 4} + \left(\mathsf{neg}\left(1\right)\right)} \]
      9. metadata-evalN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{{i}^{2} \cdot 4 + \color{blue}{-1}} \]
      10. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{\mathsf{fma}\left({i}^{2}, 4, -1\right)}} \]
      11. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
      12. *-lowering-*.f6438.0

        \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
    8. Simplified38.0%

      \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(i \cdot i, 4, -1\right)}} \]
    9. Taylor expanded in i around inf

      \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
    10. Step-by-step derivation
      1. +-lowering-+.f64N/A

        \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
      2. associate-*r/N/A

        \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64} \cdot 1}{{i}^{2}}} \]
      3. metadata-evalN/A

        \[\leadsto \frac{1}{16} + \frac{\color{blue}{\frac{1}{64}}}{{i}^{2}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64}}{{i}^{2}}} \]
      5. unpow2N/A

        \[\leadsto \frac{1}{16} + \frac{\frac{1}{64}}{\color{blue}{i \cdot i}} \]
      6. *-lowering-*.f6480.3

        \[\leadsto 0.0625 + \frac{0.015625}{\color{blue}{i \cdot i}} \]
    11. Simplified80.3%

      \[\leadsto \color{blue}{0.0625 + \frac{0.015625}{i \cdot i}} \]

    if 2.4000000000000001e156 < beta

    1. Initial program 0.0%

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

      \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
    4. Step-by-step derivation
      1. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
      2. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{i \cdot \left(\alpha + i\right)}}{{\beta}^{2}} \]
      3. +-lowering-+.f64N/A

        \[\leadsto \frac{i \cdot \color{blue}{\left(\alpha + i\right)}}{{\beta}^{2}} \]
      4. unpow2N/A

        \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
      5. *-lowering-*.f6424.5

        \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
    5. Simplified24.5%

      \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{\beta \cdot \beta}} \]
    6. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{\left(\alpha + i\right) \cdot i}}{\beta \cdot \beta} \]
      2. times-fracN/A

        \[\leadsto \color{blue}{\frac{\alpha + i}{\beta} \cdot \frac{i}{\beta}} \]
      3. *-lowering-*.f64N/A

        \[\leadsto \color{blue}{\frac{\alpha + i}{\beta} \cdot \frac{i}{\beta}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{\alpha + i}{\beta}} \cdot \frac{i}{\beta} \]
      5. +-commutativeN/A

        \[\leadsto \frac{\color{blue}{i + \alpha}}{\beta} \cdot \frac{i}{\beta} \]
      6. +-lowering-+.f64N/A

        \[\leadsto \frac{\color{blue}{i + \alpha}}{\beta} \cdot \frac{i}{\beta} \]
      7. /-lowering-/.f6473.8

        \[\leadsto \frac{i + \alpha}{\beta} \cdot \color{blue}{\frac{i}{\beta}} \]
    7. Applied egg-rr73.8%

      \[\leadsto \color{blue}{\frac{i + \alpha}{\beta} \cdot \frac{i}{\beta}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.4 \cdot 10^{+156}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i}{\beta} \cdot \frac{i + \alpha}{\beta}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 83.3% accurate, 3.4× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.6 \cdot 10^{+155}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i \cdot \frac{i}{\beta}}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 2.6e+155)
   (+ 0.0625 (/ 0.015625 (* i i)))
   (/ (* i (/ i beta)) beta)))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 2.6e+155) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i * (i / beta)) / beta;
	}
	return tmp;
}
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
real(8) function code(alpha, beta, i)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8), intent (in) :: i
    real(8) :: tmp
    if (beta <= 2.6d+155) then
        tmp = 0.0625d0 + (0.015625d0 / (i * i))
    else
        tmp = (i * (i / beta)) / beta
    end if
    code = tmp
end function
assert alpha < beta && beta < i;
public static double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 2.6e+155) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i * (i / beta)) / beta;
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 2.6e+155:
		tmp = 0.0625 + (0.015625 / (i * i))
	else:
		tmp = (i * (i / beta)) / beta
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 2.6e+155)
		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
	else
		tmp = Float64(Float64(i * Float64(i / beta)) / beta);
	end
	return tmp
end
alpha, beta, i = num2cell(sort([alpha, beta, i])){:}
function tmp_2 = code(alpha, beta, i)
	tmp = 0.0;
	if (beta <= 2.6e+155)
		tmp = 0.0625 + (0.015625 / (i * i));
	else
		tmp = (i * (i / beta)) / beta;
	end
	tmp_2 = tmp;
end
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
code[alpha_, beta_, i_] := If[LessEqual[beta, 2.6e+155], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(i * N[(i / beta), $MachinePrecision]), $MachinePrecision] / beta), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.6 \cdot 10^{+155}:\\
\;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\

\mathbf{else}:\\
\;\;\;\;\frac{i \cdot \frac{i}{\beta}}{\beta}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.6000000000000002e155

    1. Initial program 22.5%

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

      \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
    4. Step-by-step derivation
      1. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      2. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      3. unpow2N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      5. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      7. +-lowering-+.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\color{blue}{\left(\beta + i\right)} \cdot \left(\beta + i\right)\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      8. +-lowering-+.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \color{blue}{\left(\beta + i\right)}\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      9. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      10. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      11. *-lowering-*.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      12. +-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\left(2 \cdot i + \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      13. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\left(\color{blue}{i \cdot 2} + \beta\right) \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      14. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\mathsf{fma}\left(i, 2, \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      15. +-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\left(2 \cdot i + \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      16. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \left(\color{blue}{i \cdot 2} + \beta\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      17. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\mathsf{fma}\left(i, 2, \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
      18. sub-negN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\left({\left(\beta + 2 \cdot i\right)}^{2} + \left(\mathsf{neg}\left(1\right)\right)\right)}} \]
      19. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)} + \left(\mathsf{neg}\left(1\right)\right)\right)} \]
      20. metadata-evalN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right) + \color{blue}{-1}\right)} \]
      21. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\mathsf{fma}\left(\beta + 2 \cdot i, \beta + 2 \cdot i, -1\right)}} \]
    5. Simplified19.7%

      \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \mathsf{fma}\left(\mathsf{fma}\left(i, 2, \beta\right), \mathsf{fma}\left(i, 2, \beta\right), -1\right)}} \]
    6. Taylor expanded in beta around 0

      \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{i}^{2}}{4 \cdot {i}^{2} - 1}} \]
    7. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      2. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
      5. unpow2N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
      7. sub-negN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{4 \cdot {i}^{2} + \left(\mathsf{neg}\left(1\right)\right)}} \]
      8. *-commutativeN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{{i}^{2} \cdot 4} + \left(\mathsf{neg}\left(1\right)\right)} \]
      9. metadata-evalN/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{{i}^{2} \cdot 4 + \color{blue}{-1}} \]
      10. accelerator-lowering-fma.f64N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{\mathsf{fma}\left({i}^{2}, 4, -1\right)}} \]
      11. unpow2N/A

        \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
      12. *-lowering-*.f6438.0

        \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
    8. Simplified38.0%

      \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(i \cdot i, 4, -1\right)}} \]
    9. Taylor expanded in i around inf

      \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
    10. Step-by-step derivation
      1. +-lowering-+.f64N/A

        \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
      2. associate-*r/N/A

        \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64} \cdot 1}{{i}^{2}}} \]
      3. metadata-evalN/A

        \[\leadsto \frac{1}{16} + \frac{\color{blue}{\frac{1}{64}}}{{i}^{2}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64}}{{i}^{2}}} \]
      5. unpow2N/A

        \[\leadsto \frac{1}{16} + \frac{\frac{1}{64}}{\color{blue}{i \cdot i}} \]
      6. *-lowering-*.f6480.3

        \[\leadsto 0.0625 + \frac{0.015625}{\color{blue}{i \cdot i}} \]
    11. Simplified80.3%

      \[\leadsto \color{blue}{0.0625 + \frac{0.015625}{i \cdot i}} \]

    if 2.6000000000000002e155 < beta

    1. Initial program 0.0%

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

      \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
    4. Step-by-step derivation
      1. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
      2. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{i \cdot \left(\alpha + i\right)}}{{\beta}^{2}} \]
      3. +-lowering-+.f64N/A

        \[\leadsto \frac{i \cdot \color{blue}{\left(\alpha + i\right)}}{{\beta}^{2}} \]
      4. unpow2N/A

        \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
      5. *-lowering-*.f6424.5

        \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
    5. Simplified24.5%

      \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{\beta \cdot \beta}} \]
    6. Step-by-step derivation
      1. times-fracN/A

        \[\leadsto \color{blue}{\frac{i}{\beta} \cdot \frac{\alpha + i}{\beta}} \]
      2. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{i}{\beta} \cdot \left(\alpha + i\right)}{\beta}} \]
      3. /-lowering-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{i}{\beta} \cdot \left(\alpha + i\right)}{\beta}} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \frac{\color{blue}{\frac{i}{\beta} \cdot \left(\alpha + i\right)}}{\beta} \]
      5. /-lowering-/.f64N/A

        \[\leadsto \frac{\color{blue}{\frac{i}{\beta}} \cdot \left(\alpha + i\right)}{\beta} \]
      6. +-commutativeN/A

        \[\leadsto \frac{\frac{i}{\beta} \cdot \color{blue}{\left(i + \alpha\right)}}{\beta} \]
      7. +-lowering-+.f6473.7

        \[\leadsto \frac{\frac{i}{\beta} \cdot \color{blue}{\left(i + \alpha\right)}}{\beta} \]
    7. Applied egg-rr73.7%

      \[\leadsto \color{blue}{\frac{\frac{i}{\beta} \cdot \left(i + \alpha\right)}{\beta}} \]
    8. Taylor expanded in i around inf

      \[\leadsto \frac{\frac{i}{\beta} \cdot \color{blue}{i}}{\beta} \]
    9. Step-by-step derivation
      1. Simplified67.7%

        \[\leadsto \frac{\frac{i}{\beta} \cdot \color{blue}{i}}{\beta} \]
    10. Recombined 2 regimes into one program.
    11. Final simplification78.0%

      \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.6 \cdot 10^{+155}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i \cdot \frac{i}{\beta}}{\beta}\\ \end{array} \]
    12. Add Preprocessing

    Alternative 4: 75.3% accurate, 3.4× speedup?

    \[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 6.1 \cdot 10^{+227}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i}{\beta} \cdot \frac{\alpha}{\beta}\\ \end{array} \end{array} \]
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    (FPCore (alpha beta i)
     :precision binary64
     (if (<= beta 6.1e+227)
       (+ 0.0625 (/ 0.015625 (* i i)))
       (* (/ i beta) (/ alpha beta))))
    assert(alpha < beta && beta < i);
    double code(double alpha, double beta, double i) {
    	double tmp;
    	if (beta <= 6.1e+227) {
    		tmp = 0.0625 + (0.015625 / (i * i));
    	} else {
    		tmp = (i / beta) * (alpha / beta);
    	}
    	return tmp;
    }
    
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    real(8) function code(alpha, beta, i)
        real(8), intent (in) :: alpha
        real(8), intent (in) :: beta
        real(8), intent (in) :: i
        real(8) :: tmp
        if (beta <= 6.1d+227) then
            tmp = 0.0625d0 + (0.015625d0 / (i * i))
        else
            tmp = (i / beta) * (alpha / beta)
        end if
        code = tmp
    end function
    
    assert alpha < beta && beta < i;
    public static double code(double alpha, double beta, double i) {
    	double tmp;
    	if (beta <= 6.1e+227) {
    		tmp = 0.0625 + (0.015625 / (i * i));
    	} else {
    		tmp = (i / beta) * (alpha / beta);
    	}
    	return tmp;
    }
    
    [alpha, beta, i] = sort([alpha, beta, i])
    def code(alpha, beta, i):
    	tmp = 0
    	if beta <= 6.1e+227:
    		tmp = 0.0625 + (0.015625 / (i * i))
    	else:
    		tmp = (i / beta) * (alpha / beta)
    	return tmp
    
    alpha, beta, i = sort([alpha, beta, i])
    function code(alpha, beta, i)
    	tmp = 0.0
    	if (beta <= 6.1e+227)
    		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
    	else
    		tmp = Float64(Float64(i / beta) * Float64(alpha / beta));
    	end
    	return tmp
    end
    
    alpha, beta, i = num2cell(sort([alpha, beta, i])){:}
    function tmp_2 = code(alpha, beta, i)
    	tmp = 0.0;
    	if (beta <= 6.1e+227)
    		tmp = 0.0625 + (0.015625 / (i * i));
    	else
    		tmp = (i / beta) * (alpha / beta);
    	end
    	tmp_2 = tmp;
    end
    
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    code[alpha_, beta_, i_] := If[LessEqual[beta, 6.1e+227], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(i / beta), $MachinePrecision] * N[(alpha / beta), $MachinePrecision]), $MachinePrecision]]
    
    \begin{array}{l}
    [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
    \\
    \begin{array}{l}
    \mathbf{if}\;\beta \leq 6.1 \cdot 10^{+227}:\\
    \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\
    
    \mathbf{else}:\\
    \;\;\;\;\frac{i}{\beta} \cdot \frac{\alpha}{\beta}\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if beta < 6.10000000000000015e227

      1. Initial program 20.2%

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

        \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      4. Step-by-step derivation
        1. /-lowering-/.f64N/A

          \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
        2. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        3. unpow2N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        4. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        5. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        6. *-lowering-*.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        7. +-lowering-+.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\color{blue}{\left(\beta + i\right)} \cdot \left(\beta + i\right)\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        8. +-lowering-+.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \color{blue}{\left(\beta + i\right)}\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        9. *-lowering-*.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
        10. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        11. *-lowering-*.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        12. +-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\left(2 \cdot i + \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        13. *-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\left(\color{blue}{i \cdot 2} + \beta\right) \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        14. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\mathsf{fma}\left(i, 2, \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        15. +-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\left(2 \cdot i + \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        16. *-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \left(\color{blue}{i \cdot 2} + \beta\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        17. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\mathsf{fma}\left(i, 2, \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        18. sub-negN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\left({\left(\beta + 2 \cdot i\right)}^{2} + \left(\mathsf{neg}\left(1\right)\right)\right)}} \]
        19. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)} + \left(\mathsf{neg}\left(1\right)\right)\right)} \]
        20. metadata-evalN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right) + \color{blue}{-1}\right)} \]
        21. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\mathsf{fma}\left(\beta + 2 \cdot i, \beta + 2 \cdot i, -1\right)}} \]
      5. Simplified17.7%

        \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \mathsf{fma}\left(\mathsf{fma}\left(i, 2, \beta\right), \mathsf{fma}\left(i, 2, \beta\right), -1\right)}} \]
      6. Taylor expanded in beta around 0

        \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      7. Step-by-step derivation
        1. associate-*r/N/A

          \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
        2. /-lowering-/.f64N/A

          \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
        3. *-commutativeN/A

          \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
        4. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
        5. unpow2N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
        6. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
        7. sub-negN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{4 \cdot {i}^{2} + \left(\mathsf{neg}\left(1\right)\right)}} \]
        8. *-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{{i}^{2} \cdot 4} + \left(\mathsf{neg}\left(1\right)\right)} \]
        9. metadata-evalN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{{i}^{2} \cdot 4 + \color{blue}{-1}} \]
        10. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{\mathsf{fma}\left({i}^{2}, 4, -1\right)}} \]
        11. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
        12. *-lowering-*.f6434.2

          \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
      8. Simplified34.2%

        \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(i \cdot i, 4, -1\right)}} \]
      9. Taylor expanded in i around inf

        \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
      10. Step-by-step derivation
        1. +-lowering-+.f64N/A

          \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
        2. associate-*r/N/A

          \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64} \cdot 1}{{i}^{2}}} \]
        3. metadata-evalN/A

          \[\leadsto \frac{1}{16} + \frac{\color{blue}{\frac{1}{64}}}{{i}^{2}} \]
        4. /-lowering-/.f64N/A

          \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64}}{{i}^{2}}} \]
        5. unpow2N/A

          \[\leadsto \frac{1}{16} + \frac{\frac{1}{64}}{\color{blue}{i \cdot i}} \]
        6. *-lowering-*.f6476.5

          \[\leadsto 0.0625 + \frac{0.015625}{\color{blue}{i \cdot i}} \]
      11. Simplified76.5%

        \[\leadsto \color{blue}{0.0625 + \frac{0.015625}{i \cdot i}} \]

      if 6.10000000000000015e227 < beta

      1. Initial program 0.0%

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

        \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
      4. Step-by-step derivation
        1. /-lowering-/.f64N/A

          \[\leadsto \color{blue}{\frac{i \cdot \left(\alpha + i\right)}{{\beta}^{2}}} \]
        2. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{i \cdot \left(\alpha + i\right)}}{{\beta}^{2}} \]
        3. +-lowering-+.f64N/A

          \[\leadsto \frac{i \cdot \color{blue}{\left(\alpha + i\right)}}{{\beta}^{2}} \]
        4. unpow2N/A

          \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
        5. *-lowering-*.f6447.5

          \[\leadsto \frac{i \cdot \left(\alpha + i\right)}{\color{blue}{\beta \cdot \beta}} \]
      5. Simplified47.5%

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

        \[\leadsto \color{blue}{\frac{\alpha \cdot i}{{\beta}^{2}}} \]
      7. Step-by-step derivation
        1. associate-/l*N/A

          \[\leadsto \color{blue}{\alpha \cdot \frac{i}{{\beta}^{2}}} \]
        2. *-lowering-*.f64N/A

          \[\leadsto \color{blue}{\alpha \cdot \frac{i}{{\beta}^{2}}} \]
        3. /-lowering-/.f64N/A

          \[\leadsto \alpha \cdot \color{blue}{\frac{i}{{\beta}^{2}}} \]
        4. unpow2N/A

          \[\leadsto \alpha \cdot \frac{i}{\color{blue}{\beta \cdot \beta}} \]
        5. *-lowering-*.f6449.2

          \[\leadsto \alpha \cdot \frac{i}{\color{blue}{\beta \cdot \beta}} \]
      8. Simplified49.2%

        \[\leadsto \color{blue}{\alpha \cdot \frac{i}{\beta \cdot \beta}} \]
      9. Step-by-step derivation
        1. associate-*r/N/A

          \[\leadsto \color{blue}{\frac{\alpha \cdot i}{\beta \cdot \beta}} \]
        2. times-fracN/A

          \[\leadsto \color{blue}{\frac{\alpha}{\beta} \cdot \frac{i}{\beta}} \]
        3. *-lowering-*.f64N/A

          \[\leadsto \color{blue}{\frac{\alpha}{\beta} \cdot \frac{i}{\beta}} \]
        4. /-lowering-/.f64N/A

          \[\leadsto \color{blue}{\frac{\alpha}{\beta}} \cdot \frac{i}{\beta} \]
        5. /-lowering-/.f6453.5

          \[\leadsto \frac{\alpha}{\beta} \cdot \color{blue}{\frac{i}{\beta}} \]
      10. Applied egg-rr53.5%

        \[\leadsto \color{blue}{\frac{\alpha}{\beta} \cdot \frac{i}{\beta}} \]
    3. Recombined 2 regimes into one program.
    4. Final simplification74.6%

      \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 6.1 \cdot 10^{+227}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i}{\beta} \cdot \frac{\alpha}{\beta}\\ \end{array} \]
    5. Add Preprocessing

    Alternative 5: 74.2% accurate, 4.4× speedup?

    \[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 8.2 \cdot 10^{+229}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{0}{i}\\ \end{array} \end{array} \]
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    (FPCore (alpha beta i)
     :precision binary64
     (if (<= beta 8.2e+229) (+ 0.0625 (/ 0.015625 (* i i))) (/ 0.0 i)))
    assert(alpha < beta && beta < i);
    double code(double alpha, double beta, double i) {
    	double tmp;
    	if (beta <= 8.2e+229) {
    		tmp = 0.0625 + (0.015625 / (i * i));
    	} else {
    		tmp = 0.0 / i;
    	}
    	return tmp;
    }
    
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    real(8) function code(alpha, beta, i)
        real(8), intent (in) :: alpha
        real(8), intent (in) :: beta
        real(8), intent (in) :: i
        real(8) :: tmp
        if (beta <= 8.2d+229) then
            tmp = 0.0625d0 + (0.015625d0 / (i * i))
        else
            tmp = 0.0d0 / i
        end if
        code = tmp
    end function
    
    assert alpha < beta && beta < i;
    public static double code(double alpha, double beta, double i) {
    	double tmp;
    	if (beta <= 8.2e+229) {
    		tmp = 0.0625 + (0.015625 / (i * i));
    	} else {
    		tmp = 0.0 / i;
    	}
    	return tmp;
    }
    
    [alpha, beta, i] = sort([alpha, beta, i])
    def code(alpha, beta, i):
    	tmp = 0
    	if beta <= 8.2e+229:
    		tmp = 0.0625 + (0.015625 / (i * i))
    	else:
    		tmp = 0.0 / i
    	return tmp
    
    alpha, beta, i = sort([alpha, beta, i])
    function code(alpha, beta, i)
    	tmp = 0.0
    	if (beta <= 8.2e+229)
    		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
    	else
    		tmp = Float64(0.0 / i);
    	end
    	return tmp
    end
    
    alpha, beta, i = num2cell(sort([alpha, beta, i])){:}
    function tmp_2 = code(alpha, beta, i)
    	tmp = 0.0;
    	if (beta <= 8.2e+229)
    		tmp = 0.0625 + (0.015625 / (i * i));
    	else
    		tmp = 0.0 / i;
    	end
    	tmp_2 = tmp;
    end
    
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    code[alpha_, beta_, i_] := If[LessEqual[beta, 8.2e+229], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(0.0 / i), $MachinePrecision]]
    
    \begin{array}{l}
    [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
    \\
    \begin{array}{l}
    \mathbf{if}\;\beta \leq 8.2 \cdot 10^{+229}:\\
    \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\
    
    \mathbf{else}:\\
    \;\;\;\;\frac{0}{i}\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if beta < 8.2000000000000003e229

      1. Initial program 20.2%

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

        \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
      4. Step-by-step derivation
        1. /-lowering-/.f64N/A

          \[\leadsto \color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
        2. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        3. unpow2N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        4. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        5. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        6. *-lowering-*.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        7. +-lowering-+.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\color{blue}{\left(\beta + i\right)} \cdot \left(\beta + i\right)\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        8. +-lowering-+.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \color{blue}{\left(\beta + i\right)}\right)}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        9. *-lowering-*.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{{\left(\beta + 2 \cdot i\right)}^{2} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)}} \]
        10. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        11. *-lowering-*.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)\right)} \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        12. +-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\left(2 \cdot i + \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        13. *-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\left(\color{blue}{i \cdot 2} + \beta\right) \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        14. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{\mathsf{fma}\left(i, 2, \beta\right)} \cdot \left(\beta + 2 \cdot i\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        15. +-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\left(2 \cdot i + \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        16. *-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \left(\color{blue}{i \cdot 2} + \beta\right)\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        17. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\mathsf{fma}\left(i, 2, \beta\right)}\right) \cdot \left({\left(\beta + 2 \cdot i\right)}^{2} - 1\right)} \]
        18. sub-negN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\left({\left(\beta + 2 \cdot i\right)}^{2} + \left(\mathsf{neg}\left(1\right)\right)\right)}} \]
        19. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)} + \left(\mathsf{neg}\left(1\right)\right)\right)} \]
        20. metadata-evalN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \left(\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right) + \color{blue}{-1}\right)} \]
        21. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \color{blue}{\mathsf{fma}\left(\beta + 2 \cdot i, \beta + 2 \cdot i, -1\right)}} \]
      5. Simplified17.7%

        \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)\right) \cdot \mathsf{fma}\left(\mathsf{fma}\left(i, 2, \beta\right), \mathsf{fma}\left(i, 2, \beta\right), -1\right)}} \]
      6. Taylor expanded in beta around 0

        \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{i}^{2}}{4 \cdot {i}^{2} - 1}} \]
      7. Step-by-step derivation
        1. associate-*r/N/A

          \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
        2. /-lowering-/.f64N/A

          \[\leadsto \color{blue}{\frac{\frac{1}{4} \cdot {i}^{2}}{4 \cdot {i}^{2} - 1}} \]
        3. *-commutativeN/A

          \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
        4. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{{i}^{2} \cdot \frac{1}{4}}}{4 \cdot {i}^{2} - 1} \]
        5. unpow2N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
        6. *-lowering-*.f64N/A

          \[\leadsto \frac{\color{blue}{\left(i \cdot i\right)} \cdot \frac{1}{4}}{4 \cdot {i}^{2} - 1} \]
        7. sub-negN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{4 \cdot {i}^{2} + \left(\mathsf{neg}\left(1\right)\right)}} \]
        8. *-commutativeN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{{i}^{2} \cdot 4} + \left(\mathsf{neg}\left(1\right)\right)} \]
        9. metadata-evalN/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{{i}^{2} \cdot 4 + \color{blue}{-1}} \]
        10. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\color{blue}{\mathsf{fma}\left({i}^{2}, 4, -1\right)}} \]
        11. unpow2N/A

          \[\leadsto \frac{\left(i \cdot i\right) \cdot \frac{1}{4}}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
        12. *-lowering-*.f6434.2

          \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(\color{blue}{i \cdot i}, 4, -1\right)} \]
      8. Simplified34.2%

        \[\leadsto \color{blue}{\frac{\left(i \cdot i\right) \cdot 0.25}{\mathsf{fma}\left(i \cdot i, 4, -1\right)}} \]
      9. Taylor expanded in i around inf

        \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
      10. Step-by-step derivation
        1. +-lowering-+.f64N/A

          \[\leadsto \color{blue}{\frac{1}{16} + \frac{1}{64} \cdot \frac{1}{{i}^{2}}} \]
        2. associate-*r/N/A

          \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64} \cdot 1}{{i}^{2}}} \]
        3. metadata-evalN/A

          \[\leadsto \frac{1}{16} + \frac{\color{blue}{\frac{1}{64}}}{{i}^{2}} \]
        4. /-lowering-/.f64N/A

          \[\leadsto \frac{1}{16} + \color{blue}{\frac{\frac{1}{64}}{{i}^{2}}} \]
        5. unpow2N/A

          \[\leadsto \frac{1}{16} + \frac{\frac{1}{64}}{\color{blue}{i \cdot i}} \]
        6. *-lowering-*.f6476.5

          \[\leadsto 0.0625 + \frac{0.015625}{\color{blue}{i \cdot i}} \]
      11. Simplified76.5%

        \[\leadsto \color{blue}{0.0625 + \frac{0.015625}{i \cdot i}} \]

      if 8.2000000000000003e229 < beta

      1. Initial program 0.0%

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

        \[\leadsto \frac{\color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
      4. Step-by-step derivation
        1. /-lowering-/.f64N/A

          \[\leadsto \frac{\color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        2. *-lowering-*.f64N/A

          \[\leadsto \frac{\frac{\color{blue}{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        3. unpow2N/A

          \[\leadsto \frac{\frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        4. *-lowering-*.f64N/A

          \[\leadsto \frac{\frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        5. unpow2N/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        6. *-lowering-*.f64N/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        7. +-lowering-+.f64N/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\color{blue}{\left(\beta + i\right)} \cdot \left(\beta + i\right)\right)}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        8. +-lowering-+.f64N/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \color{blue}{\left(\beta + i\right)}\right)}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        9. unpow2N/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        10. *-lowering-*.f64N/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        11. +-commutativeN/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(2 \cdot i + \beta\right)} \cdot \left(\beta + 2 \cdot i\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        12. *-commutativeN/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{i \cdot 2} + \beta\right) \cdot \left(\beta + 2 \cdot i\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        13. accelerator-lowering-fma.f64N/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\mathsf{fma}\left(i, 2, \beta\right)} \cdot \left(\beta + 2 \cdot i\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        14. +-commutativeN/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\left(2 \cdot i + \beta\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        15. *-commutativeN/A

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \left(\color{blue}{i \cdot 2} + \beta\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        16. accelerator-lowering-fma.f640.0

          \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\mathsf{fma}\left(i, 2, \beta\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
      5. Simplified0.0%

        \[\leadsto \frac{\color{blue}{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
      6. Taylor expanded in i around inf

        \[\leadsto \color{blue}{\left(\frac{1}{16} + \frac{1}{8} \cdot \frac{\beta}{i}\right) - \frac{1}{256} \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
      7. Step-by-step derivation
        1. cancel-sign-sub-invN/A

          \[\leadsto \color{blue}{\left(\frac{1}{16} + \frac{1}{8} \cdot \frac{\beta}{i}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
        2. +-lowering-+.f64N/A

          \[\leadsto \color{blue}{\left(\frac{1}{16} + \frac{1}{8} \cdot \frac{\beta}{i}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
        3. +-commutativeN/A

          \[\leadsto \color{blue}{\left(\frac{1}{8} \cdot \frac{\beta}{i} + \frac{1}{16}\right)} + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
        4. *-commutativeN/A

          \[\leadsto \left(\color{blue}{\frac{\beta}{i} \cdot \frac{1}{8}} + \frac{1}{16}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
        5. accelerator-lowering-fma.f64N/A

          \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right)} + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
        6. /-lowering-/.f64N/A

          \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{\beta}{i}}, \frac{1}{8}, \frac{1}{16}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
        7. metadata-evalN/A

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{256}} \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
        8. *-lowering-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{256} \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
        9. /-lowering-/.f64N/A

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \color{blue}{\frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
        10. distribute-lft-outN/A

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \frac{\color{blue}{16 \cdot \left(\beta + \left(\alpha + \beta\right)\right)}}{i} \]
        11. *-lowering-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \frac{\color{blue}{16 \cdot \left(\beta + \left(\alpha + \beta\right)\right)}}{i} \]
        12. +-lowering-+.f64N/A

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \frac{16 \cdot \color{blue}{\left(\beta + \left(\alpha + \beta\right)\right)}}{i} \]
        13. +-lowering-+.f6449.5

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + -0.00390625 \cdot \frac{16 \cdot \left(\beta + \color{blue}{\left(\alpha + \beta\right)}\right)}{i} \]
      8. Simplified49.5%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + -0.00390625 \cdot \frac{16 \cdot \left(\beta + \left(\alpha + \beta\right)\right)}{i}} \]
      9. Taylor expanded in beta around inf

        \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{8} \cdot \frac{\beta}{i}} \]
      10. Step-by-step derivation
        1. *-lowering-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{8} \cdot \frac{\beta}{i}} \]
        2. /-lowering-/.f6449.5

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + -0.125 \cdot \color{blue}{\frac{\beta}{i}} \]
      11. Simplified49.5%

        \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + \color{blue}{-0.125 \cdot \frac{\beta}{i}} \]
      12. Taylor expanded in i around 0

        \[\leadsto \color{blue}{\frac{\frac{-1}{8} \cdot \beta + \frac{1}{8} \cdot \beta}{i}} \]
      13. Step-by-step derivation
        1. distribute-rgt-outN/A

          \[\leadsto \frac{\color{blue}{\beta \cdot \left(\frac{-1}{8} + \frac{1}{8}\right)}}{i} \]
        2. metadata-evalN/A

          \[\leadsto \frac{\beta \cdot \color{blue}{0}}{i} \]
        3. mul0-rgtN/A

          \[\leadsto \frac{\color{blue}{0}}{i} \]
        4. /-lowering-/.f6449.2

          \[\leadsto \color{blue}{\frac{0}{i}} \]
      14. Simplified49.2%

        \[\leadsto \color{blue}{\frac{0}{i}} \]
    3. Recombined 2 regimes into one program.
    4. Add Preprocessing

    Alternative 6: 74.0% accurate, 6.4× speedup?

    \[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.3 \cdot 10^{+229}:\\ \;\;\;\;0.0625\\ \mathbf{else}:\\ \;\;\;\;\frac{0}{i}\\ \end{array} \end{array} \]
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    (FPCore (alpha beta i)
     :precision binary64
     (if (<= beta 2.3e+229) 0.0625 (/ 0.0 i)))
    assert(alpha < beta && beta < i);
    double code(double alpha, double beta, double i) {
    	double tmp;
    	if (beta <= 2.3e+229) {
    		tmp = 0.0625;
    	} else {
    		tmp = 0.0 / i;
    	}
    	return tmp;
    }
    
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    real(8) function code(alpha, beta, i)
        real(8), intent (in) :: alpha
        real(8), intent (in) :: beta
        real(8), intent (in) :: i
        real(8) :: tmp
        if (beta <= 2.3d+229) then
            tmp = 0.0625d0
        else
            tmp = 0.0d0 / i
        end if
        code = tmp
    end function
    
    assert alpha < beta && beta < i;
    public static double code(double alpha, double beta, double i) {
    	double tmp;
    	if (beta <= 2.3e+229) {
    		tmp = 0.0625;
    	} else {
    		tmp = 0.0 / i;
    	}
    	return tmp;
    }
    
    [alpha, beta, i] = sort([alpha, beta, i])
    def code(alpha, beta, i):
    	tmp = 0
    	if beta <= 2.3e+229:
    		tmp = 0.0625
    	else:
    		tmp = 0.0 / i
    	return tmp
    
    alpha, beta, i = sort([alpha, beta, i])
    function code(alpha, beta, i)
    	tmp = 0.0
    	if (beta <= 2.3e+229)
    		tmp = 0.0625;
    	else
    		tmp = Float64(0.0 / i);
    	end
    	return tmp
    end
    
    alpha, beta, i = num2cell(sort([alpha, beta, i])){:}
    function tmp_2 = code(alpha, beta, i)
    	tmp = 0.0;
    	if (beta <= 2.3e+229)
    		tmp = 0.0625;
    	else
    		tmp = 0.0 / i;
    	end
    	tmp_2 = tmp;
    end
    
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    code[alpha_, beta_, i_] := If[LessEqual[beta, 2.3e+229], 0.0625, N[(0.0 / i), $MachinePrecision]]
    
    \begin{array}{l}
    [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
    \\
    \begin{array}{l}
    \mathbf{if}\;\beta \leq 2.3 \cdot 10^{+229}:\\
    \;\;\;\;0.0625\\
    
    \mathbf{else}:\\
    \;\;\;\;\frac{0}{i}\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if beta < 2.2999999999999999e229

      1. Initial program 20.2%

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

        \[\leadsto \color{blue}{\frac{1}{16}} \]
      4. Step-by-step derivation
        1. Simplified76.0%

          \[\leadsto \color{blue}{0.0625} \]

        if 2.2999999999999999e229 < beta

        1. Initial program 0.0%

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

          \[\leadsto \frac{\color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        4. Step-by-step derivation
          1. /-lowering-/.f64N/A

            \[\leadsto \frac{\color{blue}{\frac{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          2. *-lowering-*.f64N/A

            \[\leadsto \frac{\frac{\color{blue}{{i}^{2} \cdot {\left(\beta + i\right)}^{2}}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          3. unpow2N/A

            \[\leadsto \frac{\frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          4. *-lowering-*.f64N/A

            \[\leadsto \frac{\frac{\color{blue}{\left(i \cdot i\right)} \cdot {\left(\beta + i\right)}^{2}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          5. unpow2N/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          6. *-lowering-*.f64N/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \color{blue}{\left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          7. +-lowering-+.f64N/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\color{blue}{\left(\beta + i\right)} \cdot \left(\beta + i\right)\right)}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          8. +-lowering-+.f64N/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \color{blue}{\left(\beta + i\right)}\right)}{{\left(\beta + 2 \cdot i\right)}^{2}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          9. unpow2N/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          10. *-lowering-*.f64N/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(\beta + 2 \cdot i\right) \cdot \left(\beta + 2 \cdot i\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          11. +-commutativeN/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\left(2 \cdot i + \beta\right)} \cdot \left(\beta + 2 \cdot i\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          12. *-commutativeN/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\left(\color{blue}{i \cdot 2} + \beta\right) \cdot \left(\beta + 2 \cdot i\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          13. accelerator-lowering-fma.f64N/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\color{blue}{\mathsf{fma}\left(i, 2, \beta\right)} \cdot \left(\beta + 2 \cdot i\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          14. +-commutativeN/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\left(2 \cdot i + \beta\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          15. *-commutativeN/A

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \left(\color{blue}{i \cdot 2} + \beta\right)}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
          16. accelerator-lowering-fma.f640.0

            \[\leadsto \frac{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \color{blue}{\mathsf{fma}\left(i, 2, \beta\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        5. Simplified0.0%

          \[\leadsto \frac{\color{blue}{\frac{\left(i \cdot i\right) \cdot \left(\left(\beta + i\right) \cdot \left(\beta + i\right)\right)}{\mathsf{fma}\left(i, 2, \beta\right) \cdot \mathsf{fma}\left(i, 2, \beta\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
        6. Taylor expanded in i around inf

          \[\leadsto \color{blue}{\left(\frac{1}{16} + \frac{1}{8} \cdot \frac{\beta}{i}\right) - \frac{1}{256} \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
        7. Step-by-step derivation
          1. cancel-sign-sub-invN/A

            \[\leadsto \color{blue}{\left(\frac{1}{16} + \frac{1}{8} \cdot \frac{\beta}{i}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
          2. +-lowering-+.f64N/A

            \[\leadsto \color{blue}{\left(\frac{1}{16} + \frac{1}{8} \cdot \frac{\beta}{i}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
          3. +-commutativeN/A

            \[\leadsto \color{blue}{\left(\frac{1}{8} \cdot \frac{\beta}{i} + \frac{1}{16}\right)} + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
          4. *-commutativeN/A

            \[\leadsto \left(\color{blue}{\frac{\beta}{i} \cdot \frac{1}{8}} + \frac{1}{16}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
          5. accelerator-lowering-fma.f64N/A

            \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right)} + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
          6. /-lowering-/.f64N/A

            \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{\beta}{i}}, \frac{1}{8}, \frac{1}{16}\right) + \left(\mathsf{neg}\left(\frac{1}{256}\right)\right) \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
          7. metadata-evalN/A

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{256}} \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i} \]
          8. *-lowering-*.f64N/A

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{256} \cdot \frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
          9. /-lowering-/.f64N/A

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \color{blue}{\frac{16 \cdot \beta + 16 \cdot \left(\alpha + \beta\right)}{i}} \]
          10. distribute-lft-outN/A

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \frac{\color{blue}{16 \cdot \left(\beta + \left(\alpha + \beta\right)\right)}}{i} \]
          11. *-lowering-*.f64N/A

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \frac{\color{blue}{16 \cdot \left(\beta + \left(\alpha + \beta\right)\right)}}{i} \]
          12. +-lowering-+.f64N/A

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \frac{-1}{256} \cdot \frac{16 \cdot \color{blue}{\left(\beta + \left(\alpha + \beta\right)\right)}}{i} \]
          13. +-lowering-+.f6449.5

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + -0.00390625 \cdot \frac{16 \cdot \left(\beta + \color{blue}{\left(\alpha + \beta\right)}\right)}{i} \]
        8. Simplified49.5%

          \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + -0.00390625 \cdot \frac{16 \cdot \left(\beta + \left(\alpha + \beta\right)\right)}{i}} \]
        9. Taylor expanded in beta around inf

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{8} \cdot \frac{\beta}{i}} \]
        10. Step-by-step derivation
          1. *-lowering-*.f64N/A

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, \frac{1}{8}, \frac{1}{16}\right) + \color{blue}{\frac{-1}{8} \cdot \frac{\beta}{i}} \]
          2. /-lowering-/.f6449.5

            \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + -0.125 \cdot \color{blue}{\frac{\beta}{i}} \]
        11. Simplified49.5%

          \[\leadsto \mathsf{fma}\left(\frac{\beta}{i}, 0.125, 0.0625\right) + \color{blue}{-0.125 \cdot \frac{\beta}{i}} \]
        12. Taylor expanded in i around 0

          \[\leadsto \color{blue}{\frac{\frac{-1}{8} \cdot \beta + \frac{1}{8} \cdot \beta}{i}} \]
        13. Step-by-step derivation
          1. distribute-rgt-outN/A

            \[\leadsto \frac{\color{blue}{\beta \cdot \left(\frac{-1}{8} + \frac{1}{8}\right)}}{i} \]
          2. metadata-evalN/A

            \[\leadsto \frac{\beta \cdot \color{blue}{0}}{i} \]
          3. mul0-rgtN/A

            \[\leadsto \frac{\color{blue}{0}}{i} \]
          4. /-lowering-/.f6449.2

            \[\leadsto \color{blue}{\frac{0}{i}} \]
        14. Simplified49.2%

          \[\leadsto \color{blue}{\frac{0}{i}} \]
      5. Recombined 2 regimes into one program.
      6. Add Preprocessing

      Alternative 7: 70.6% accurate, 115.0× speedup?

      \[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ 0.0625 \end{array} \]
      NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
      (FPCore (alpha beta i) :precision binary64 0.0625)
      assert(alpha < beta && beta < i);
      double code(double alpha, double beta, double i) {
      	return 0.0625;
      }
      
      NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
      real(8) function code(alpha, beta, i)
          real(8), intent (in) :: alpha
          real(8), intent (in) :: beta
          real(8), intent (in) :: i
          code = 0.0625d0
      end function
      
      assert alpha < beta && beta < i;
      public static double code(double alpha, double beta, double i) {
      	return 0.0625;
      }
      
      [alpha, beta, i] = sort([alpha, beta, i])
      def code(alpha, beta, i):
      	return 0.0625
      
      alpha, beta, i = sort([alpha, beta, i])
      function code(alpha, beta, i)
      	return 0.0625
      end
      
      alpha, beta, i = num2cell(sort([alpha, beta, i])){:}
      function tmp = code(alpha, beta, i)
      	tmp = 0.0625;
      end
      
      NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
      code[alpha_, beta_, i_] := 0.0625
      
      \begin{array}{l}
      [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
      \\
      0.0625
      \end{array}
      
      Derivation
      1. Initial program 18.5%

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

        \[\leadsto \color{blue}{\frac{1}{16}} \]
      4. Step-by-step derivation
        1. Simplified69.9%

          \[\leadsto \color{blue}{0.0625} \]
        2. Add Preprocessing

        Reproduce

        ?
        herbie shell --seed 2024197 
        (FPCore (alpha beta i)
          :name "Octave 3.8, jcobi/4"
          :precision binary64
          :pre (and (and (> alpha -1.0) (> beta -1.0)) (> i 1.0))
          (/ (/ (* (* i (+ (+ alpha beta) i)) (+ (* beta alpha) (* i (+ (+ alpha beta) i)))) (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i)))) (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0)))