Octave 3.8, jcobi/4

Percentage Accurate: 16.4% → 85.9%
Time: 13.4s
Alternatives: 9
Speedup: 53.0×

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 9 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: 16.4% 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: 85.9% accurate, 1.8× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 2.5 \cdot 10^{+200}:\\ \;\;\;\;\frac{i}{\alpha + \left(1 + \left(\beta + i \cdot 2\right)\right)} \cdot \frac{i \cdot 0.25}{\alpha + \left(\beta + \left(i \cdot 2 + -1\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{i + \alpha}{\beta}}{\frac{\beta}{i}}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 2.5e+200)
   (*
    (/ i (+ alpha (+ 1.0 (+ beta (* i 2.0)))))
    (/ (* i 0.25) (+ alpha (+ beta (+ (* i 2.0) -1.0)))))
   (/ (/ (+ i alpha) beta) (/ beta i))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 2.5e+200) {
		tmp = (i / (alpha + (1.0 + (beta + (i * 2.0))))) * ((i * 0.25) / (alpha + (beta + ((i * 2.0) + -1.0))));
	} else {
		tmp = ((i + alpha) / beta) / (beta / 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 <= 2.5d+200) then
        tmp = (i / (alpha + (1.0d0 + (beta + (i * 2.0d0))))) * ((i * 0.25d0) / (alpha + (beta + ((i * 2.0d0) + (-1.0d0)))))
    else
        tmp = ((i + alpha) / beta) / (beta / 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 <= 2.5e+200) {
		tmp = (i / (alpha + (1.0 + (beta + (i * 2.0))))) * ((i * 0.25) / (alpha + (beta + ((i * 2.0) + -1.0))));
	} else {
		tmp = ((i + alpha) / beta) / (beta / i);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 2.5e+200:
		tmp = (i / (alpha + (1.0 + (beta + (i * 2.0))))) * ((i * 0.25) / (alpha + (beta + ((i * 2.0) + -1.0))))
	else:
		tmp = ((i + alpha) / beta) / (beta / i)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 2.5e+200)
		tmp = Float64(Float64(i / Float64(alpha + Float64(1.0 + Float64(beta + Float64(i * 2.0))))) * Float64(Float64(i * 0.25) / Float64(alpha + Float64(beta + Float64(Float64(i * 2.0) + -1.0)))));
	else
		tmp = Float64(Float64(Float64(i + alpha) / beta) / Float64(beta / 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 <= 2.5e+200)
		tmp = (i / (alpha + (1.0 + (beta + (i * 2.0))))) * ((i * 0.25) / (alpha + (beta + ((i * 2.0) + -1.0))));
	else
		tmp = ((i + alpha) / beta) / (beta / 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, 2.5e+200], N[(N[(i / N[(alpha + N[(1.0 + N[(beta + N[(i * 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(i * 0.25), $MachinePrecision] / N[(alpha + N[(beta + N[(N[(i * 2.0), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(i + alpha), $MachinePrecision] / beta), $MachinePrecision] / N[(beta / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 2.5 \cdot 10^{+200}:\\
\;\;\;\;\frac{i}{\alpha + \left(1 + \left(\beta + i \cdot 2\right)\right)} \cdot \frac{i \cdot 0.25}{\alpha + \left(\beta + \left(i \cdot 2 + -1\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 2.50000000000000009e200

    1. Initial program 21.2%

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

      \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{1}{4} \cdot {i}^{2}\right)}, \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    4. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\left({i}^{2} \cdot \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
      4. *-lowering-*.f6436.6%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    5. Simplified36.6%

      \[\leadsto \frac{\color{blue}{\left(i \cdot i\right) \cdot 0.25}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1} \]
    6. Step-by-step derivation
      1. associate-*l*N/A

        \[\leadsto \frac{i \cdot \left(i \cdot \frac{1}{4}\right)}{\color{blue}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)} - 1} \]
      2. difference-of-sqr-1N/A

        \[\leadsto \frac{i \cdot \left(i \cdot \frac{1}{4}\right)}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) + 1\right) \cdot \color{blue}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right)}} \]
      3. times-fracN/A

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

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{i}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) + 1}\right), \color{blue}{\left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)}\right) \]
      5. /-lowering-/.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) + 1\right)\right), \left(\frac{\color{blue}{i \cdot \frac{1}{4}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      6. associate-+l+N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \left(\left(\alpha + \left(\beta + 2 \cdot i\right)\right) + 1\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      7. *-commutativeN/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \left(\left(\alpha + \left(\beta + i \cdot 2\right)\right) + 1\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      8. associate-+l+N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \left(\alpha + \left(\left(\beta + i \cdot 2\right) + 1\right)\right)\right), \left(\frac{i \cdot \color{blue}{\frac{1}{4}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      9. +-lowering-+.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \mathsf{+.f64}\left(\alpha, \left(\left(\beta + i \cdot 2\right) + 1\right)\right)\right), \left(\frac{i \cdot \color{blue}{\frac{1}{4}}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      10. +-commutativeN/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \mathsf{+.f64}\left(\alpha, \left(1 + \left(\beta + i \cdot 2\right)\right)\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      11. +-lowering-+.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \mathsf{+.f64}\left(\alpha, \mathsf{+.f64}\left(1, \left(\beta + i \cdot 2\right)\right)\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      12. *-commutativeN/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \mathsf{+.f64}\left(\alpha, \mathsf{+.f64}\left(1, \left(\beta + 2 \cdot i\right)\right)\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      13. +-lowering-+.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \mathsf{+.f64}\left(\alpha, \mathsf{+.f64}\left(1, \mathsf{+.f64}\left(\beta, \left(2 \cdot i\right)\right)\right)\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      14. *-commutativeN/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \mathsf{+.f64}\left(\alpha, \mathsf{+.f64}\left(1, \mathsf{+.f64}\left(\beta, \left(i \cdot 2\right)\right)\right)\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
      15. *-lowering-*.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \mathsf{+.f64}\left(\alpha, \mathsf{+.f64}\left(1, \mathsf{+.f64}\left(\beta, \mathsf{*.f64}\left(i, 2\right)\right)\right)\right)\right), \left(\frac{i \cdot \frac{1}{4}}{\left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1}\right)\right) \]
    7. Applied egg-rr81.0%

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

    if 2.50000000000000009e200 < 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. Step-by-step derivation
      1. associate-/l/N/A

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

        \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
    3. Simplified0.0%

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
      3. +-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      4. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
      6. *-lowering-*.f6430.0%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
    7. Simplified30.0%

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

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(\frac{i}{\beta} \cdot \left(i + \alpha\right)\right), \color{blue}{\beta}\right) \]
      4. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \left(i + \alpha\right)\right), \beta\right) \]
      5. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(i + \alpha\right)\right), \beta\right) \]
      6. +-lowering-+.f6482.2%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{+.f64}\left(i, \alpha\right)\right), \beta\right) \]
    9. Applied egg-rr82.2%

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

        \[\leadsto \frac{i}{\beta} \cdot \color{blue}{\frac{i + \alpha}{\beta}} \]
      2. clear-numN/A

        \[\leadsto \frac{1}{\frac{\beta}{i}} \cdot \frac{\color{blue}{i + \alpha}}{\beta} \]
      3. associate-*l/N/A

        \[\leadsto \frac{1 \cdot \frac{i + \alpha}{\beta}}{\color{blue}{\frac{\beta}{i}}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\left(1 \cdot \frac{i + \alpha}{\beta}\right), \color{blue}{\left(\frac{\beta}{i}\right)}\right) \]
      5. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \left(\frac{i + \alpha}{\beta}\right)\right), \left(\frac{\color{blue}{\beta}}{i}\right)\right) \]
      6. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\left(i + \alpha\right), \beta\right)\right), \left(\frac{\beta}{i}\right)\right) \]
      7. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right)\right), \left(\frac{\beta}{i}\right)\right) \]
      8. /-lowering-/.f6482.8%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right)\right), \mathsf{/.f64}\left(\beta, \color{blue}{i}\right)\right) \]
    11. Applied egg-rr82.8%

      \[\leadsto \color{blue}{\frac{1 \cdot \frac{i + \alpha}{\beta}}{\frac{\beta}{i}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification81.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 2.5 \cdot 10^{+200}:\\ \;\;\;\;\frac{i}{\alpha + \left(1 + \left(\beta + i \cdot 2\right)\right)} \cdot \frac{i \cdot 0.25}{\alpha + \left(\beta + \left(i \cdot 2 + -1\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{i + \alpha}{\beta}}{\frac{\beta}{i}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 84.9% accurate, 3.8× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3.5 \cdot 10^{+198}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{i + \alpha}{\beta}}{\frac{\beta}{i}}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 3.5e+198)
   (+ 0.0625 (/ 0.015625 (* i i)))
   (/ (/ (+ i alpha) beta) (/ beta i))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 3.5e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = ((i + alpha) / beta) / (beta / 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 <= 3.5d+198) then
        tmp = 0.0625d0 + (0.015625d0 / (i * i))
    else
        tmp = ((i + alpha) / beta) / (beta / 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 <= 3.5e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = ((i + alpha) / beta) / (beta / i);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 3.5e+198:
		tmp = 0.0625 + (0.015625 / (i * i))
	else:
		tmp = ((i + alpha) / beta) / (beta / i)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 3.5e+198)
		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
	else
		tmp = Float64(Float64(Float64(i + alpha) / beta) / Float64(beta / 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 <= 3.5e+198)
		tmp = 0.0625 + (0.015625 / (i * i));
	else
		tmp = ((i + alpha) / beta) / (beta / 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, 3.5e+198], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(i + alpha), $MachinePrecision] / beta), $MachinePrecision] / N[(beta / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 3.5 \cdot 10^{+198}:\\
\;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 3.50000000000000013e198

    1. Initial program 21.2%

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

      \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{1}{4} \cdot {i}^{2}\right)}, \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    4. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\left({i}^{2} \cdot \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
      4. *-lowering-*.f6436.6%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    5. Simplified36.6%

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

      \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\left(4 \cdot {i}^{2}\right)}, 1\right)\right) \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\left({i}^{2} \cdot 4\right), 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), 4\right), 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), 4\right), 1\right)\right) \]
      4. *-lowering-*.f6431.5%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), 4\right), 1\right)\right) \]
    8. Simplified31.5%

      \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\color{blue}{\left(i \cdot i\right) \cdot 4} - 1} \]
    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

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \color{blue}{\left(\frac{1}{64} \cdot \frac{1}{{i}^{2}}\right)}\right) \]
      2. associate-*r/N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64} \cdot 1}{\color{blue}{{i}^{2}}}\right)\right) \]
      3. metadata-evalN/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64}}{{\color{blue}{i}}^{2}}\right)\right) \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \color{blue}{\left({i}^{2}\right)}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \left(i \cdot \color{blue}{i}\right)\right)\right) \]
      6. *-lowering-*.f6474.6%

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \mathsf{*.f64}\left(i, \color{blue}{i}\right)\right)\right) \]
    11. Simplified74.6%

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

    if 3.50000000000000013e198 < 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. Step-by-step derivation
      1. associate-/l/N/A

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

        \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
    3. Simplified0.0%

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
      3. +-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      4. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
      6. *-lowering-*.f6430.0%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
    7. Simplified30.0%

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

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(\frac{i}{\beta} \cdot \left(i + \alpha\right)\right), \color{blue}{\beta}\right) \]
      4. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \left(i + \alpha\right)\right), \beta\right) \]
      5. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(i + \alpha\right)\right), \beta\right) \]
      6. +-lowering-+.f6482.2%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{+.f64}\left(i, \alpha\right)\right), \beta\right) \]
    9. Applied egg-rr82.2%

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

        \[\leadsto \frac{i}{\beta} \cdot \color{blue}{\frac{i + \alpha}{\beta}} \]
      2. clear-numN/A

        \[\leadsto \frac{1}{\frac{\beta}{i}} \cdot \frac{\color{blue}{i + \alpha}}{\beta} \]
      3. associate-*l/N/A

        \[\leadsto \frac{1 \cdot \frac{i + \alpha}{\beta}}{\color{blue}{\frac{\beta}{i}}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\left(1 \cdot \frac{i + \alpha}{\beta}\right), \color{blue}{\left(\frac{\beta}{i}\right)}\right) \]
      5. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \left(\frac{i + \alpha}{\beta}\right)\right), \left(\frac{\color{blue}{\beta}}{i}\right)\right) \]
      6. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\left(i + \alpha\right), \beta\right)\right), \left(\frac{\beta}{i}\right)\right) \]
      7. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right)\right), \left(\frac{\beta}{i}\right)\right) \]
      8. /-lowering-/.f6482.8%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right)\right), \mathsf{/.f64}\left(\beta, \color{blue}{i}\right)\right) \]
    11. Applied egg-rr82.8%

      \[\leadsto \color{blue}{\frac{1 \cdot \frac{i + \alpha}{\beta}}{\frac{\beta}{i}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification75.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 3.5 \cdot 10^{+198}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{i + \alpha}{\beta}}{\frac{\beta}{i}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 84.9% accurate, 3.8× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3.5 \cdot 10^{+198}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i + \alpha}{\beta} \cdot \frac{i}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 3.5e+198)
   (+ 0.0625 (/ 0.015625 (* i i)))
   (* (/ (+ i alpha) beta) (/ i beta))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 3.5e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = ((i + alpha) / beta) * (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 <= 3.5d+198) then
        tmp = 0.0625d0 + (0.015625d0 / (i * i))
    else
        tmp = ((i + alpha) / beta) * (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 <= 3.5e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = ((i + alpha) / beta) * (i / beta);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 3.5e+198:
		tmp = 0.0625 + (0.015625 / (i * i))
	else:
		tmp = ((i + alpha) / beta) * (i / beta)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 3.5e+198)
		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
	else
		tmp = Float64(Float64(Float64(i + alpha) / beta) * 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 <= 3.5e+198)
		tmp = 0.0625 + (0.015625 / (i * i));
	else
		tmp = ((i + alpha) / beta) * (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, 3.5e+198], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(i + alpha), $MachinePrecision] / beta), $MachinePrecision] * N[(i / beta), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 3.5 \cdot 10^{+198}:\\
\;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 3.50000000000000013e198

    1. Initial program 21.2%

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

      \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{1}{4} \cdot {i}^{2}\right)}, \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    4. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\left({i}^{2} \cdot \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
      4. *-lowering-*.f6436.6%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    5. Simplified36.6%

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

      \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\left(4 \cdot {i}^{2}\right)}, 1\right)\right) \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\left({i}^{2} \cdot 4\right), 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), 4\right), 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), 4\right), 1\right)\right) \]
      4. *-lowering-*.f6431.5%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), 4\right), 1\right)\right) \]
    8. Simplified31.5%

      \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\color{blue}{\left(i \cdot i\right) \cdot 4} - 1} \]
    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

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \color{blue}{\left(\frac{1}{64} \cdot \frac{1}{{i}^{2}}\right)}\right) \]
      2. associate-*r/N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64} \cdot 1}{\color{blue}{{i}^{2}}}\right)\right) \]
      3. metadata-evalN/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64}}{{\color{blue}{i}}^{2}}\right)\right) \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \color{blue}{\left({i}^{2}\right)}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \left(i \cdot \color{blue}{i}\right)\right)\right) \]
      6. *-lowering-*.f6474.6%

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \mathsf{*.f64}\left(i, \color{blue}{i}\right)\right)\right) \]
    11. Simplified74.6%

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

    if 3.50000000000000013e198 < 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. Step-by-step derivation
      1. associate-/l/N/A

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

        \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
    3. Simplified0.0%

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
      3. +-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      4. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
      6. *-lowering-*.f6430.0%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
    7. Simplified30.0%

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

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

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

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{i + \alpha}{\beta}\right), \color{blue}{\left(\frac{i}{\beta}\right)}\right) \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(i + \alpha\right), \beta\right), \left(\frac{\color{blue}{i}}{\beta}\right)\right) \]
      5. +-lowering-+.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right), \left(\frac{i}{\beta}\right)\right) \]
      6. /-lowering-/.f6482.6%

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right), \mathsf{/.f64}\left(i, \color{blue}{\beta}\right)\right) \]
    9. Applied egg-rr82.6%

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

Alternative 4: 83.0% accurate, 4.4× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4.2 \cdot 10^{+198}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{i}{\beta}}{\frac{\beta}{i}}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 4.2e+198)
   (+ 0.0625 (/ 0.015625 (* i i)))
   (/ (/ i beta) (/ beta i))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 4.2e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i / beta) / (beta / 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 <= 4.2d+198) then
        tmp = 0.0625d0 + (0.015625d0 / (i * i))
    else
        tmp = (i / beta) / (beta / 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 <= 4.2e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i / beta) / (beta / i);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 4.2e+198:
		tmp = 0.0625 + (0.015625 / (i * i))
	else:
		tmp = (i / beta) / (beta / i)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 4.2e+198)
		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
	else
		tmp = Float64(Float64(i / beta) / Float64(beta / 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 <= 4.2e+198)
		tmp = 0.0625 + (0.015625 / (i * i));
	else
		tmp = (i / beta) / (beta / 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, 4.2e+198], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(i / beta), $MachinePrecision] / N[(beta / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 4.2 \cdot 10^{+198}:\\
\;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 4.20000000000000026e198

    1. Initial program 21.2%

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

      \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{1}{4} \cdot {i}^{2}\right)}, \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    4. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\left({i}^{2} \cdot \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
      4. *-lowering-*.f6436.6%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    5. Simplified36.6%

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

      \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\left(4 \cdot {i}^{2}\right)}, 1\right)\right) \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\left({i}^{2} \cdot 4\right), 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), 4\right), 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), 4\right), 1\right)\right) \]
      4. *-lowering-*.f6431.5%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), 4\right), 1\right)\right) \]
    8. Simplified31.5%

      \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\color{blue}{\left(i \cdot i\right) \cdot 4} - 1} \]
    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

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \color{blue}{\left(\frac{1}{64} \cdot \frac{1}{{i}^{2}}\right)}\right) \]
      2. associate-*r/N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64} \cdot 1}{\color{blue}{{i}^{2}}}\right)\right) \]
      3. metadata-evalN/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64}}{{\color{blue}{i}}^{2}}\right)\right) \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \color{blue}{\left({i}^{2}\right)}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \left(i \cdot \color{blue}{i}\right)\right)\right) \]
      6. *-lowering-*.f6474.6%

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \mathsf{*.f64}\left(i, \color{blue}{i}\right)\right)\right) \]
    11. Simplified74.6%

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

    if 4.20000000000000026e198 < 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. Step-by-step derivation
      1. associate-/l/N/A

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

        \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
    3. Simplified0.0%

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
      3. +-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      4. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
      6. *-lowering-*.f6430.0%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
    7. Simplified30.0%

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

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(\frac{i}{\beta} \cdot \left(i + \alpha\right)\right), \color{blue}{\beta}\right) \]
      4. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \left(i + \alpha\right)\right), \beta\right) \]
      5. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(i + \alpha\right)\right), \beta\right) \]
      6. +-lowering-+.f6482.2%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{+.f64}\left(i, \alpha\right)\right), \beta\right) \]
    9. Applied egg-rr82.2%

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

        \[\leadsto \frac{i}{\beta} \cdot \color{blue}{\frac{i + \alpha}{\beta}} \]
      2. clear-numN/A

        \[\leadsto \frac{1}{\frac{\beta}{i}} \cdot \frac{\color{blue}{i + \alpha}}{\beta} \]
      3. associate-*l/N/A

        \[\leadsto \frac{1 \cdot \frac{i + \alpha}{\beta}}{\color{blue}{\frac{\beta}{i}}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\left(1 \cdot \frac{i + \alpha}{\beta}\right), \color{blue}{\left(\frac{\beta}{i}\right)}\right) \]
      5. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \left(\frac{i + \alpha}{\beta}\right)\right), \left(\frac{\color{blue}{\beta}}{i}\right)\right) \]
      6. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\left(i + \alpha\right), \beta\right)\right), \left(\frac{\beta}{i}\right)\right) \]
      7. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right)\right), \left(\frac{\beta}{i}\right)\right) \]
      8. /-lowering-/.f6482.8%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(1, \mathsf{/.f64}\left(\mathsf{+.f64}\left(i, \alpha\right), \beta\right)\right), \mathsf{/.f64}\left(\beta, \color{blue}{i}\right)\right) \]
    11. Applied egg-rr82.8%

      \[\leadsto \color{blue}{\frac{1 \cdot \frac{i + \alpha}{\beta}}{\frac{\beta}{i}}} \]
    12. Taylor expanded in i around inf

      \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{i}{\beta}\right)}, \mathsf{/.f64}\left(\beta, i\right)\right) \]
    13. Step-by-step derivation
      1. /-lowering-/.f6479.9%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{/.f64}\left(\color{blue}{\beta}, i\right)\right) \]
    14. Simplified79.9%

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

Alternative 5: 83.0% accurate, 4.4× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3.5 \cdot 10^{+198}:\\ \;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\ \mathbf{else}:\\ \;\;\;\;\frac{i}{\beta} \cdot \frac{i}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 3.5e+198)
   (+ 0.0625 (/ 0.015625 (* i i)))
   (* (/ i beta) (/ i beta))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 3.5e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i / beta) * (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 <= 3.5d+198) then
        tmp = 0.0625d0 + (0.015625d0 / (i * i))
    else
        tmp = (i / beta) * (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 <= 3.5e+198) {
		tmp = 0.0625 + (0.015625 / (i * i));
	} else {
		tmp = (i / beta) * (i / beta);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 3.5e+198:
		tmp = 0.0625 + (0.015625 / (i * i))
	else:
		tmp = (i / beta) * (i / beta)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 3.5e+198)
		tmp = Float64(0.0625 + Float64(0.015625 / Float64(i * i)));
	else
		tmp = Float64(Float64(i / beta) * 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 <= 3.5e+198)
		tmp = 0.0625 + (0.015625 / (i * i));
	else
		tmp = (i / beta) * (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, 3.5e+198], N[(0.0625 + N[(0.015625 / N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(i / beta), $MachinePrecision] * N[(i / beta), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 3.5 \cdot 10^{+198}:\\
\;\;\;\;0.0625 + \frac{0.015625}{i \cdot i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 3.50000000000000013e198

    1. Initial program 21.2%

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

      \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{1}{4} \cdot {i}^{2}\right)}, \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    4. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\left({i}^{2} \cdot \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right), \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right)}, 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
      4. *-lowering-*.f6436.6%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\color{blue}{\mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)}, \mathsf{+.f64}\left(\mathsf{+.f64}\left(\alpha, \beta\right), \mathsf{*.f64}\left(2, i\right)\right)\right), 1\right)\right) \]
    5. Simplified36.6%

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

      \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\color{blue}{\left(4 \cdot {i}^{2}\right)}, 1\right)\right) \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\left({i}^{2} \cdot 4\right), 1\right)\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left({i}^{2}\right), 4\right), 1\right)\right) \]
      3. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\left(i \cdot i\right), 4\right), 1\right)\right) \]
      4. *-lowering-*.f6431.5%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), \frac{1}{4}\right), \mathsf{\_.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(i, i\right), 4\right), 1\right)\right) \]
    8. Simplified31.5%

      \[\leadsto \frac{\left(i \cdot i\right) \cdot 0.25}{\color{blue}{\left(i \cdot i\right) \cdot 4} - 1} \]
    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

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \color{blue}{\left(\frac{1}{64} \cdot \frac{1}{{i}^{2}}\right)}\right) \]
      2. associate-*r/N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64} \cdot 1}{\color{blue}{{i}^{2}}}\right)\right) \]
      3. metadata-evalN/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \left(\frac{\frac{1}{64}}{{\color{blue}{i}}^{2}}\right)\right) \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \color{blue}{\left({i}^{2}\right)}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \left(i \cdot \color{blue}{i}\right)\right)\right) \]
      6. *-lowering-*.f6474.6%

        \[\leadsto \mathsf{+.f64}\left(\frac{1}{16}, \mathsf{/.f64}\left(\frac{1}{64}, \mathsf{*.f64}\left(i, \color{blue}{i}\right)\right)\right) \]
    11. Simplified74.6%

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

    if 3.50000000000000013e198 < 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. Step-by-step derivation
      1. associate-/l/N/A

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

        \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
    3. Simplified0.0%

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
      2. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
      3. +-commutativeN/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      4. +-lowering-+.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
      5. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
      6. *-lowering-*.f6430.0%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
    7. Simplified30.0%

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

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(\frac{i}{\beta} \cdot \left(i + \alpha\right)\right), \color{blue}{\beta}\right) \]
      4. *-lowering-*.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \left(i + \alpha\right)\right), \beta\right) \]
      5. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(i + \alpha\right)\right), \beta\right) \]
      6. +-lowering-+.f6482.2%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{+.f64}\left(i, \alpha\right)\right), \beta\right) \]
    9. Applied egg-rr82.2%

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

      \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{{i}^{2}}{\beta}\right)}, \beta\right) \]
    11. Step-by-step derivation
      1. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left({i}^{2}\right), \beta\right), \beta\right) \]
      2. unpow2N/A

        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(i \cdot i\right), \beta\right), \beta\right) \]
      3. *-lowering-*.f6445.5%

        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(i, i\right), \beta\right), \beta\right) \]
    12. Simplified45.5%

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

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

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

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \color{blue}{\left(\frac{i}{\beta}\right)}\right) \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(\frac{\color{blue}{i}}{\beta}\right)\right) \]
      5. /-lowering-/.f6479.7%

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{/.f64}\left(i, \color{blue}{\beta}\right)\right) \]
    14. Applied egg-rr79.7%

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

Alternative 6: 82.7% accurate, 4.4× speedup?

\[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 1.8 \cdot 10^{+199}:\\ \;\;\;\;0.0625\\ \mathbf{else}:\\ \;\;\;\;\frac{i}{\beta} \cdot \frac{i}{\beta}\\ \end{array} \end{array} \]
NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
(FPCore (alpha beta i)
 :precision binary64
 (if (<= beta 1.8e+199) 0.0625 (* (/ i beta) (/ i beta))))
assert(alpha < beta && beta < i);
double code(double alpha, double beta, double i) {
	double tmp;
	if (beta <= 1.8e+199) {
		tmp = 0.0625;
	} else {
		tmp = (i / beta) * (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 <= 1.8d+199) then
        tmp = 0.0625d0
    else
        tmp = (i / beta) * (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 <= 1.8e+199) {
		tmp = 0.0625;
	} else {
		tmp = (i / beta) * (i / beta);
	}
	return tmp;
}
[alpha, beta, i] = sort([alpha, beta, i])
def code(alpha, beta, i):
	tmp = 0
	if beta <= 1.8e+199:
		tmp = 0.0625
	else:
		tmp = (i / beta) * (i / beta)
	return tmp
alpha, beta, i = sort([alpha, beta, i])
function code(alpha, beta, i)
	tmp = 0.0
	if (beta <= 1.8e+199)
		tmp = 0.0625;
	else
		tmp = Float64(Float64(i / beta) * 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 <= 1.8e+199)
		tmp = 0.0625;
	else
		tmp = (i / beta) * (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, 1.8e+199], 0.0625, N[(N[(i / beta), $MachinePrecision] * N[(i / beta), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
\\
\begin{array}{l}
\mathbf{if}\;\beta \leq 1.8 \cdot 10^{+199}:\\
\;\;\;\;0.0625\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if beta < 1.80000000000000001e199

    1. Initial program 21.2%

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

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

        \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
    3. Simplified18.4%

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

      \[\leadsto \color{blue}{\frac{1}{16}} \]
    6. Step-by-step derivation
      1. Simplified74.4%

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

      if 1.80000000000000001e199 < 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. Step-by-step derivation
        1. associate-/l/N/A

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

          \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
      3. Simplified0.0%

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

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

          \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
        2. *-lowering-*.f64N/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
        3. +-commutativeN/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
        4. +-lowering-+.f64N/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
        5. unpow2N/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
        6. *-lowering-*.f6430.0%

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
      7. Simplified30.0%

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

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

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

          \[\leadsto \mathsf{/.f64}\left(\left(\frac{i}{\beta} \cdot \left(i + \alpha\right)\right), \color{blue}{\beta}\right) \]
        4. *-lowering-*.f64N/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \left(i + \alpha\right)\right), \beta\right) \]
        5. /-lowering-/.f64N/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(i + \alpha\right)\right), \beta\right) \]
        6. +-lowering-+.f6482.2%

          \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{+.f64}\left(i, \alpha\right)\right), \beta\right) \]
      9. Applied egg-rr82.2%

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

        \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{{i}^{2}}{\beta}\right)}, \beta\right) \]
      11. Step-by-step derivation
        1. /-lowering-/.f64N/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left({i}^{2}\right), \beta\right), \beta\right) \]
        2. unpow2N/A

          \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(i \cdot i\right), \beta\right), \beta\right) \]
        3. *-lowering-*.f6445.5%

          \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(i, i\right), \beta\right), \beta\right) \]
      12. Simplified45.5%

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

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

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

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \color{blue}{\left(\frac{i}{\beta}\right)}\right) \]
        4. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(\frac{\color{blue}{i}}{\beta}\right)\right) \]
        5. /-lowering-/.f6479.7%

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{/.f64}\left(i, \color{blue}{\beta}\right)\right) \]
      14. Applied egg-rr79.7%

        \[\leadsto \color{blue}{\frac{i}{\beta} \cdot \frac{i}{\beta}} \]
    7. Recombined 2 regimes into one program.
    8. Add Preprocessing

    Alternative 7: 77.0% accurate, 4.4× speedup?

    \[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 4 \cdot 10^{+198}:\\ \;\;\;\;0.0625\\ \mathbf{else}:\\ \;\;\;\;i \cdot \frac{\frac{i}{\beta}}{\beta}\\ \end{array} \end{array} \]
    NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
    (FPCore (alpha beta i)
     :precision binary64
     (if (<= beta 4e+198) 0.0625 (* i (/ (/ i beta) beta))))
    assert(alpha < beta && beta < i);
    double code(double alpha, double beta, double i) {
    	double tmp;
    	if (beta <= 4e+198) {
    		tmp = 0.0625;
    	} 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 <= 4d+198) then
            tmp = 0.0625d0
        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 <= 4e+198) {
    		tmp = 0.0625;
    	} else {
    		tmp = i * ((i / beta) / beta);
    	}
    	return tmp;
    }
    
    [alpha, beta, i] = sort([alpha, beta, i])
    def code(alpha, beta, i):
    	tmp = 0
    	if beta <= 4e+198:
    		tmp = 0.0625
    	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 <= 4e+198)
    		tmp = 0.0625;
    	else
    		tmp = Float64(i * Float64(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 <= 4e+198)
    		tmp = 0.0625;
    	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, 4e+198], 0.0625, N[(i * N[(N[(i / beta), $MachinePrecision] / beta), $MachinePrecision]), $MachinePrecision]]
    
    \begin{array}{l}
    [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
    \\
    \begin{array}{l}
    \mathbf{if}\;\beta \leq 4 \cdot 10^{+198}:\\
    \;\;\;\;0.0625\\
    
    \mathbf{else}:\\
    \;\;\;\;i \cdot \frac{\frac{i}{\beta}}{\beta}\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if beta < 4.00000000000000007e198

      1. Initial program 21.2%

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

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

          \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
      3. Simplified18.4%

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

        \[\leadsto \color{blue}{\frac{1}{16}} \]
      6. Step-by-step derivation
        1. Simplified74.4%

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

        if 4.00000000000000007e198 < 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. Step-by-step derivation
          1. associate-/l/N/A

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

            \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
        3. Simplified0.0%

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

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

            \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
          2. *-lowering-*.f64N/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
          3. +-commutativeN/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
          4. +-lowering-+.f64N/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
          5. unpow2N/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
          6. *-lowering-*.f6430.0%

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
        7. Simplified30.0%

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

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

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

            \[\leadsto \mathsf{/.f64}\left(\left(\frac{i}{\beta} \cdot \left(i + \alpha\right)\right), \color{blue}{\beta}\right) \]
          4. *-lowering-*.f64N/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{i}{\beta}\right), \left(i + \alpha\right)\right), \beta\right) \]
          5. /-lowering-/.f64N/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \left(i + \alpha\right)\right), \beta\right) \]
          6. +-lowering-+.f6482.2%

            \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \mathsf{+.f64}\left(i, \alpha\right)\right), \beta\right) \]
        9. Applied egg-rr82.2%

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

          \[\leadsto \mathsf{/.f64}\left(\color{blue}{\left(\frac{{i}^{2}}{\beta}\right)}, \beta\right) \]
        11. Step-by-step derivation
          1. /-lowering-/.f64N/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left({i}^{2}\right), \beta\right), \beta\right) \]
          2. unpow2N/A

            \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(i \cdot i\right), \beta\right), \beta\right) \]
          3. *-lowering-*.f6445.5%

            \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(i, i\right), \beta\right), \beta\right) \]
        12. Simplified45.5%

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

            \[\leadsto \frac{i \cdot \frac{i}{\beta}}{\beta} \]
          2. associate-/l*N/A

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

            \[\leadsto \mathsf{*.f64}\left(i, \color{blue}{\left(\frac{\frac{i}{\beta}}{\beta}\right)}\right) \]
          4. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(i, \mathsf{/.f64}\left(\left(\frac{i}{\beta}\right), \color{blue}{\beta}\right)\right) \]
          5. /-lowering-/.f6456.1%

            \[\leadsto \mathsf{*.f64}\left(i, \mathsf{/.f64}\left(\mathsf{/.f64}\left(i, \beta\right), \beta\right)\right) \]
        14. Applied egg-rr56.1%

          \[\leadsto \color{blue}{i \cdot \frac{\frac{i}{\beta}}{\beta}} \]
      7. Recombined 2 regimes into one program.
      8. Add Preprocessing

      Alternative 8: 74.5% accurate, 4.4× speedup?

      \[\begin{array}{l} [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\ \\ \begin{array}{l} \mathbf{if}\;\beta \leq 3.9 \cdot 10^{+243}:\\ \;\;\;\;0.0625\\ \mathbf{else}:\\ \;\;\;\;\alpha \cdot \frac{i}{\beta \cdot \beta}\\ \end{array} \end{array} \]
      NOTE: alpha, beta, and i should be sorted in increasing order before calling this function.
      (FPCore (alpha beta i)
       :precision binary64
       (if (<= beta 3.9e+243) 0.0625 (* alpha (/ i (* beta beta)))))
      assert(alpha < beta && beta < i);
      double code(double alpha, double beta, double i) {
      	double tmp;
      	if (beta <= 3.9e+243) {
      		tmp = 0.0625;
      	} else {
      		tmp = alpha * (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 <= 3.9d+243) then
              tmp = 0.0625d0
          else
              tmp = alpha * (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 <= 3.9e+243) {
      		tmp = 0.0625;
      	} else {
      		tmp = alpha * (i / (beta * beta));
      	}
      	return tmp;
      }
      
      [alpha, beta, i] = sort([alpha, beta, i])
      def code(alpha, beta, i):
      	tmp = 0
      	if beta <= 3.9e+243:
      		tmp = 0.0625
      	else:
      		tmp = alpha * (i / (beta * beta))
      	return tmp
      
      alpha, beta, i = sort([alpha, beta, i])
      function code(alpha, beta, i)
      	tmp = 0.0
      	if (beta <= 3.9e+243)
      		tmp = 0.0625;
      	else
      		tmp = Float64(alpha * Float64(i / Float64(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 <= 3.9e+243)
      		tmp = 0.0625;
      	else
      		tmp = alpha * (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, 3.9e+243], 0.0625, N[(alpha * N[(i / N[(beta * beta), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
      
      \begin{array}{l}
      [alpha, beta, i] = \mathsf{sort}([alpha, beta, i])\\
      \\
      \begin{array}{l}
      \mathbf{if}\;\beta \leq 3.9 \cdot 10^{+243}:\\
      \;\;\;\;0.0625\\
      
      \mathbf{else}:\\
      \;\;\;\;\alpha \cdot \frac{i}{\beta \cdot \beta}\\
      
      
      \end{array}
      \end{array}
      
      Derivation
      1. Split input into 2 regimes
      2. if beta < 3.8999999999999998e243

        1. Initial program 19.9%

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

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

            \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
        3. Simplified17.3%

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

          \[\leadsto \color{blue}{\frac{1}{16}} \]
        6. Step-by-step derivation
          1. Simplified72.3%

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

          if 3.8999999999999998e243 < 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. Step-by-step derivation
            1. associate-/l/N/A

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

              \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
          3. Simplified0.0%

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

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

              \[\leadsto \mathsf{/.f64}\left(\left(i \cdot \left(\alpha + i\right)\right), \color{blue}{\left({\beta}^{2}\right)}\right) \]
            2. *-lowering-*.f64N/A

              \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(\alpha + i\right)\right), \left({\color{blue}{\beta}}^{2}\right)\right) \]
            3. +-commutativeN/A

              \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \left(i + \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
            4. +-lowering-+.f64N/A

              \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left({\beta}^{2}\right)\right) \]
            5. unpow2N/A

              \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \left(\beta \cdot \color{blue}{\beta}\right)\right) \]
            6. *-lowering-*.f6434.7%

              \[\leadsto \mathsf{/.f64}\left(\mathsf{*.f64}\left(i, \mathsf{+.f64}\left(i, \alpha\right)\right), \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right) \]
          7. Simplified34.7%

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

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

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

              \[\leadsto \mathsf{*.f64}\left(\alpha, \color{blue}{\left(\frac{i}{{\beta}^{2}}\right)}\right) \]
            3. /-lowering-/.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\alpha, \mathsf{/.f64}\left(i, \color{blue}{\left({\beta}^{2}\right)}\right)\right) \]
            4. unpow2N/A

              \[\leadsto \mathsf{*.f64}\left(\alpha, \mathsf{/.f64}\left(i, \left(\beta \cdot \color{blue}{\beta}\right)\right)\right) \]
            5. *-lowering-*.f6438.0%

              \[\leadsto \mathsf{*.f64}\left(\alpha, \mathsf{/.f64}\left(i, \mathsf{*.f64}\left(\beta, \color{blue}{\beta}\right)\right)\right) \]
          10. Simplified38.0%

            \[\leadsto \color{blue}{\alpha \cdot \frac{i}{\beta \cdot \beta}} \]
        7. Recombined 2 regimes into one program.
        8. Add Preprocessing

        Alternative 9: 71.4% accurate, 53.0× 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 18.4%

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

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

            \[\leadsto \mathsf{/.f64}\left(\left(\left(i \cdot \left(\left(\alpha + \beta\right) + i\right)\right) \cdot \left(\beta \cdot \alpha + i \cdot \left(\left(\alpha + \beta\right) + i\right)\right)\right), \color{blue}{\left(\left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right) - 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot i\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot i\right)\right)\right)}\right) \]
        3. Simplified16.0%

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

          \[\leadsto \color{blue}{\frac{1}{16}} \]
        6. Step-by-step derivation
          1. Simplified66.9%

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

          Reproduce

          ?
          herbie shell --seed 2024144 
          (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)))