2-ancestry mixing, zero discriminant

Percentage Accurate: 76.9% → 98.6%
Time: 8.0s
Alternatives: 9
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \sqrt[3]{\frac{g}{2 \cdot a}} \end{array} \]
(FPCore (g a) :precision binary64 (cbrt (/ g (* 2.0 a))))
double code(double g, double a) {
	return cbrt((g / (2.0 * a)));
}
public static double code(double g, double a) {
	return Math.cbrt((g / (2.0 * a)));
}
function code(g, a)
	return cbrt(Float64(g / Float64(2.0 * a)))
end
code[g_, a_] := N[Power[N[(g / N[(2.0 * a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]
\begin{array}{l}

\\
\sqrt[3]{\frac{g}{2 \cdot a}}
\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: 76.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \sqrt[3]{\frac{g}{2 \cdot a}} \end{array} \]
(FPCore (g a) :precision binary64 (cbrt (/ g (* 2.0 a))))
double code(double g, double a) {
	return cbrt((g / (2.0 * a)));
}
public static double code(double g, double a) {
	return Math.cbrt((g / (2.0 * a)));
}
function code(g, a)
	return cbrt(Float64(g / Float64(2.0 * a)))
end
code[g_, a_] := N[Power[N[(g / N[(2.0 * a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]
\begin{array}{l}

\\
\sqrt[3]{\frac{g}{2 \cdot a}}
\end{array}

Alternative 1: 98.6% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{-2}{g}}} \end{array} \]
(FPCore (g a)
 :precision binary64
 (* (cbrt (/ -1.0 a)) (/ 1.0 (cbrt (/ -2.0 g)))))
double code(double g, double a) {
	return cbrt((-1.0 / a)) * (1.0 / cbrt((-2.0 / g)));
}
public static double code(double g, double a) {
	return Math.cbrt((-1.0 / a)) * (1.0 / Math.cbrt((-2.0 / g)));
}
function code(g, a)
	return Float64(cbrt(Float64(-1.0 / a)) * Float64(1.0 / cbrt(Float64(-2.0 / g))))
end
code[g_, a_] := N[(N[Power[N[(-1.0 / a), $MachinePrecision], 1/3], $MachinePrecision] * N[(1.0 / N[Power[N[(-2.0 / g), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{-2}{g}}}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-/r*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{2}}{a}}} \]
    2. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    3. /-lowering-/.f64N/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    4. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\frac{g}{2}}}}{\sqrt[3]{a}} \]
    5. div-invN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    6. *-lowering-*.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    7. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}}}{\sqrt[3]{a}} \]
    8. cbrt-lowering-cbrt.f6498.7

      \[\leadsto \frac{\sqrt[3]{g \cdot 0.5}}{\color{blue}{\sqrt[3]{a}}} \]
  4. Applied egg-rr98.7%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}}} \]
  5. Step-by-step derivation
    1. clear-numN/A

      \[\leadsto \color{blue}{\frac{1}{\frac{\sqrt[3]{a}}{\sqrt[3]{g \cdot \frac{1}{2}}}}} \]
    2. associate-/r/N/A

      \[\leadsto \color{blue}{\frac{1}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}}} \]
    3. metadata-evalN/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{1}}}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    4. cbrt-divN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a}}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    5. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}} \]
    6. div-invN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{g}{2}}} \]
    7. clear-numN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{1}{\frac{2}{g}}}} \]
    8. cbrt-prodN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a} \cdot \frac{1}{\frac{2}{g}}}} \]
    9. div-invN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{1}{a}}{\frac{2}{g}}}} \]
    10. frac-2negN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(\frac{1}{a}\right)}{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    11. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    12. pow1/3N/A

      \[\leadsto \frac{\color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    13. div-invN/A

      \[\leadsto \color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    14. *-lowering-*.f64N/A

      \[\leadsto \color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    15. pow1/3N/A

      \[\leadsto \color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    16. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    17. distribute-neg-fracN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(1\right)}{a}}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    18. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{\color{blue}{-1}}{a}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    19. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{-1}{a}}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    20. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \color{blue}{\frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    21. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    22. distribute-neg-fracN/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    23. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    24. metadata-eval98.8

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{\color{blue}{-2}}{g}}} \]
  6. Applied egg-rr98.8%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{-2}{g}}}} \]
  7. Add Preprocessing

Alternative 2: 98.7% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \frac{\sqrt[3]{\frac{1}{\frac{2}{g}}}}{\sqrt[3]{a}} \end{array} \]
(FPCore (g a) :precision binary64 (/ (cbrt (/ 1.0 (/ 2.0 g))) (cbrt a)))
double code(double g, double a) {
	return cbrt((1.0 / (2.0 / g))) / cbrt(a);
}
public static double code(double g, double a) {
	return Math.cbrt((1.0 / (2.0 / g))) / Math.cbrt(a);
}
function code(g, a)
	return Float64(cbrt(Float64(1.0 / Float64(2.0 / g))) / cbrt(a))
end
code[g_, a_] := N[(N[Power[N[(1.0 / N[(2.0 / g), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / N[Power[a, 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\sqrt[3]{\frac{1}{\frac{2}{g}}}}{\sqrt[3]{a}}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-/r*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{2}}{a}}} \]
    2. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    3. /-lowering-/.f64N/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    4. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\frac{g}{2}}}}{\sqrt[3]{a}} \]
    5. div-invN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    6. *-lowering-*.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    7. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}}}{\sqrt[3]{a}} \]
    8. cbrt-lowering-cbrt.f6498.7

      \[\leadsto \frac{\sqrt[3]{g \cdot 0.5}}{\color{blue}{\sqrt[3]{a}}} \]
  4. Applied egg-rr98.7%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}}} \]
  5. Step-by-step derivation
    1. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}}}{\sqrt[3]{a}} \]
    2. div-invN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{\frac{g}{2}}}}{\sqrt[3]{a}} \]
    3. clear-numN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{\frac{1}{\frac{2}{g}}}}}{\sqrt[3]{a}} \]
    4. /-lowering-/.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{\frac{1}{\frac{2}{g}}}}}{\sqrt[3]{a}} \]
    5. /-lowering-/.f6498.8

      \[\leadsto \frac{\sqrt[3]{\frac{1}{\color{blue}{\frac{2}{g}}}}}{\sqrt[3]{a}} \]
  6. Applied egg-rr98.8%

    \[\leadsto \frac{\sqrt[3]{\color{blue}{\frac{1}{\frac{2}{g}}}}}{\sqrt[3]{a}} \]
  7. Add Preprocessing

Alternative 3: 98.7% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \frac{\sqrt[3]{\frac{-1}{a}}}{\sqrt[3]{\frac{-2}{g}}} \end{array} \]
(FPCore (g a) :precision binary64 (/ (cbrt (/ -1.0 a)) (cbrt (/ -2.0 g))))
double code(double g, double a) {
	return cbrt((-1.0 / a)) / cbrt((-2.0 / g));
}
public static double code(double g, double a) {
	return Math.cbrt((-1.0 / a)) / Math.cbrt((-2.0 / g));
}
function code(g, a)
	return Float64(cbrt(Float64(-1.0 / a)) / cbrt(Float64(-2.0 / g)))
end
code[g_, a_] := N[(N[Power[N[(-1.0 / a), $MachinePrecision], 1/3], $MachinePrecision] / N[Power[N[(-2.0 / g), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\sqrt[3]{\frac{-1}{a}}}{\sqrt[3]{\frac{-2}{g}}}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-/r*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{2}}{a}}} \]
    2. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    3. /-lowering-/.f64N/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    4. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\frac{g}{2}}}}{\sqrt[3]{a}} \]
    5. div-invN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    6. *-lowering-*.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    7. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}}}{\sqrt[3]{a}} \]
    8. cbrt-lowering-cbrt.f6498.7

      \[\leadsto \frac{\sqrt[3]{g \cdot 0.5}}{\color{blue}{\sqrt[3]{a}}} \]
  4. Applied egg-rr98.7%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}}} \]
  5. Step-by-step derivation
    1. clear-numN/A

      \[\leadsto \color{blue}{\frac{1}{\frac{\sqrt[3]{a}}{\sqrt[3]{g \cdot \frac{1}{2}}}}} \]
    2. associate-/r/N/A

      \[\leadsto \color{blue}{\frac{1}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}}} \]
    3. metadata-evalN/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{1}}}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    4. cbrt-divN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a}}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    5. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}} \]
    6. div-invN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{g}{2}}} \]
    7. clear-numN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{1}{\frac{2}{g}}}} \]
    8. cbrt-prodN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a} \cdot \frac{1}{\frac{2}{g}}}} \]
    9. div-invN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{1}{a}}{\frac{2}{g}}}} \]
    10. frac-2negN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(\frac{1}{a}\right)}{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    11. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    12. pow1/3N/A

      \[\leadsto \frac{\color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    13. /-lowering-/.f64N/A

      \[\leadsto \color{blue}{\frac{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    14. pow1/3N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    15. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    16. distribute-neg-fracN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(1\right)}{a}}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    17. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{\frac{\color{blue}{-1}}{a}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    18. /-lowering-/.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{\frac{-1}{a}}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    19. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\sqrt[3]{\frac{-1}{a}}}{\color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    20. distribute-neg-fracN/A

      \[\leadsto \frac{\sqrt[3]{\frac{-1}{a}}}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    21. /-lowering-/.f64N/A

      \[\leadsto \frac{\sqrt[3]{\frac{-1}{a}}}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    22. metadata-eval98.8

      \[\leadsto \frac{\sqrt[3]{\frac{-1}{a}}}{\sqrt[3]{\frac{\color{blue}{-2}}{g}}} \]
  6. Applied egg-rr98.8%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{-1}{a}}}{\sqrt[3]{\frac{-2}{g}}}} \]
  7. Add Preprocessing

Alternative 4: 84.2% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \cdot 2 \leq 5 \cdot 10^{-294}:\\ \;\;\;\;\sqrt[3]{0.5 \cdot \frac{g}{a}}\\ \mathbf{else}:\\ \;\;\;\;\sqrt[3]{g \cdot 0.5} \cdot {a}^{-0.3333333333333333}\\ \end{array} \end{array} \]
(FPCore (g a)
 :precision binary64
 (if (<= (* a 2.0) 5e-294)
   (cbrt (* 0.5 (/ g a)))
   (* (cbrt (* g 0.5)) (pow a -0.3333333333333333))))
double code(double g, double a) {
	double tmp;
	if ((a * 2.0) <= 5e-294) {
		tmp = cbrt((0.5 * (g / a)));
	} else {
		tmp = cbrt((g * 0.5)) * pow(a, -0.3333333333333333);
	}
	return tmp;
}
public static double code(double g, double a) {
	double tmp;
	if ((a * 2.0) <= 5e-294) {
		tmp = Math.cbrt((0.5 * (g / a)));
	} else {
		tmp = Math.cbrt((g * 0.5)) * Math.pow(a, -0.3333333333333333);
	}
	return tmp;
}
function code(g, a)
	tmp = 0.0
	if (Float64(a * 2.0) <= 5e-294)
		tmp = cbrt(Float64(0.5 * Float64(g / a)));
	else
		tmp = Float64(cbrt(Float64(g * 0.5)) * (a ^ -0.3333333333333333));
	end
	return tmp
end
code[g_, a_] := If[LessEqual[N[(a * 2.0), $MachinePrecision], 5e-294], N[Power[N[(0.5 * N[(g / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision], N[(N[Power[N[(g * 0.5), $MachinePrecision], 1/3], $MachinePrecision] * N[Power[a, -0.3333333333333333], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \cdot 2 \leq 5 \cdot 10^{-294}:\\
\;\;\;\;\sqrt[3]{0.5 \cdot \frac{g}{a}}\\

\mathbf{else}:\\
\;\;\;\;\sqrt[3]{g \cdot 0.5} \cdot {a}^{-0.3333333333333333}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.f64 #s(literal 2 binary64) a) < 5.0000000000000003e-294

    1. Initial program 78.2%

      \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. associate-/l/N/A

        \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{a}}{2}}} \]
      2. div-invN/A

        \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a} \cdot \frac{1}{2}}} \]
      3. *-lowering-*.f64N/A

        \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a} \cdot \frac{1}{2}}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a}} \cdot \frac{1}{2}} \]
      5. metadata-eval78.2

        \[\leadsto \sqrt[3]{\frac{g}{a} \cdot \color{blue}{0.5}} \]
    4. Applied egg-rr78.2%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a} \cdot 0.5}} \]

    if 5.0000000000000003e-294 < (*.f64 #s(literal 2 binary64) a)

    1. Initial program 78.1%

      \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. associate-/r*N/A

        \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{2}}{a}}} \]
      2. div-invN/A

        \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{2} \cdot \frac{1}{a}}} \]
      3. cbrt-prodN/A

        \[\leadsto \color{blue}{\sqrt[3]{\frac{g}{2}} \cdot \sqrt[3]{\frac{1}{a}}} \]
      4. pow1/3N/A

        \[\leadsto \sqrt[3]{\frac{g}{2}} \cdot \color{blue}{{\left(\frac{1}{a}\right)}^{\frac{1}{3}}} \]
      5. *-commutativeN/A

        \[\leadsto \color{blue}{{\left(\frac{1}{a}\right)}^{\frac{1}{3}} \cdot \sqrt[3]{\frac{g}{2}}} \]
      6. *-lowering-*.f64N/A

        \[\leadsto \color{blue}{{\left(\frac{1}{a}\right)}^{\frac{1}{3}} \cdot \sqrt[3]{\frac{g}{2}}} \]
      7. inv-powN/A

        \[\leadsto {\color{blue}{\left({a}^{-1}\right)}}^{\frac{1}{3}} \cdot \sqrt[3]{\frac{g}{2}} \]
      8. pow-powN/A

        \[\leadsto \color{blue}{{a}^{\left(-1 \cdot \frac{1}{3}\right)}} \cdot \sqrt[3]{\frac{g}{2}} \]
      9. pow-lowering-pow.f64N/A

        \[\leadsto \color{blue}{{a}^{\left(-1 \cdot \frac{1}{3}\right)}} \cdot \sqrt[3]{\frac{g}{2}} \]
      10. metadata-evalN/A

        \[\leadsto {a}^{\color{blue}{\frac{-1}{3}}} \cdot \sqrt[3]{\frac{g}{2}} \]
      11. cbrt-lowering-cbrt.f64N/A

        \[\leadsto {a}^{\frac{-1}{3}} \cdot \color{blue}{\sqrt[3]{\frac{g}{2}}} \]
      12. div-invN/A

        \[\leadsto {a}^{\frac{-1}{3}} \cdot \sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}} \]
      13. *-lowering-*.f64N/A

        \[\leadsto {a}^{\frac{-1}{3}} \cdot \sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}} \]
      14. metadata-eval92.4

        \[\leadsto {a}^{-0.3333333333333333} \cdot \sqrt[3]{g \cdot \color{blue}{0.5}} \]
    4. Applied egg-rr92.4%

      \[\leadsto \color{blue}{{a}^{-0.3333333333333333} \cdot \sqrt[3]{g \cdot 0.5}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification85.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \cdot 2 \leq 5 \cdot 10^{-294}:\\ \;\;\;\;\sqrt[3]{0.5 \cdot \frac{g}{a}}\\ \mathbf{else}:\\ \;\;\;\;\sqrt[3]{g \cdot 0.5} \cdot {a}^{-0.3333333333333333}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 98.7% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}} \end{array} \]
(FPCore (g a) :precision binary64 (/ (cbrt (* g 0.5)) (cbrt a)))
double code(double g, double a) {
	return cbrt((g * 0.5)) / cbrt(a);
}
public static double code(double g, double a) {
	return Math.cbrt((g * 0.5)) / Math.cbrt(a);
}
function code(g, a)
	return Float64(cbrt(Float64(g * 0.5)) / cbrt(a))
end
code[g_, a_] := N[(N[Power[N[(g * 0.5), $MachinePrecision], 1/3], $MachinePrecision] / N[Power[a, 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-/r*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{2}}{a}}} \]
    2. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    3. /-lowering-/.f64N/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    4. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\frac{g}{2}}}}{\sqrt[3]{a}} \]
    5. div-invN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    6. *-lowering-*.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    7. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}}}{\sqrt[3]{a}} \]
    8. cbrt-lowering-cbrt.f6498.7

      \[\leadsto \frac{\sqrt[3]{g \cdot 0.5}}{\color{blue}{\sqrt[3]{a}}} \]
  4. Applied egg-rr98.7%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}}} \]
  5. Add Preprocessing

Alternative 6: 98.7% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{g} \end{array} \]
(FPCore (g a) :precision binary64 (* (cbrt (/ 0.5 a)) (cbrt g)))
double code(double g, double a) {
	return cbrt((0.5 / a)) * cbrt(g);
}
public static double code(double g, double a) {
	return Math.cbrt((0.5 / a)) * Math.cbrt(g);
}
function code(g, a)
	return Float64(cbrt(Float64(0.5 / a)) * cbrt(g))
end
code[g_, a_] := N[(N[Power[N[(0.5 / a), $MachinePrecision], 1/3], $MachinePrecision] * N[Power[g, 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{g}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-/r*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{2}}{a}}} \]
    2. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    3. /-lowering-/.f64N/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    4. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\frac{g}{2}}}}{\sqrt[3]{a}} \]
    5. div-invN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    6. *-lowering-*.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    7. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}}}{\sqrt[3]{a}} \]
    8. cbrt-lowering-cbrt.f6498.7

      \[\leadsto \frac{\sqrt[3]{g \cdot 0.5}}{\color{blue}{\sqrt[3]{a}}} \]
  4. Applied egg-rr98.7%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}}} \]
  5. Step-by-step derivation
    1. clear-numN/A

      \[\leadsto \color{blue}{\frac{1}{\frac{\sqrt[3]{a}}{\sqrt[3]{g \cdot \frac{1}{2}}}}} \]
    2. associate-/r/N/A

      \[\leadsto \color{blue}{\frac{1}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}}} \]
    3. metadata-evalN/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{1}}}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    4. cbrt-divN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a}}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    5. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}} \]
    6. div-invN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{g}{2}}} \]
    7. clear-numN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{1}{\frac{2}{g}}}} \]
    8. cbrt-prodN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a} \cdot \frac{1}{\frac{2}{g}}}} \]
    9. div-invN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{1}{a}}{\frac{2}{g}}}} \]
    10. frac-2negN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(\frac{1}{a}\right)}{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    11. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    12. pow1/3N/A

      \[\leadsto \frac{\color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    13. div-invN/A

      \[\leadsto \color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    14. *-lowering-*.f64N/A

      \[\leadsto \color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    15. pow1/3N/A

      \[\leadsto \color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    16. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    17. distribute-neg-fracN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(1\right)}{a}}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    18. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{\color{blue}{-1}}{a}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    19. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{-1}{a}}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    20. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \color{blue}{\frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    21. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    22. distribute-neg-fracN/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    23. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    24. metadata-eval98.8

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{\color{blue}{-2}}{g}}} \]
  6. Applied egg-rr98.8%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{-2}{g}}}} \]
  7. Step-by-step derivation
    1. un-div-invN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{-1}{a}}}{\sqrt[3]{\frac{-2}{g}}}} \]
    2. cbrt-undivN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{\frac{-1}{a}}{\frac{-2}{g}}}} \]
    3. clear-numN/A

      \[\leadsto \sqrt[3]{\frac{\color{blue}{\frac{1}{\frac{a}{-1}}}}{\frac{-2}{g}}} \]
    4. associate-/r/N/A

      \[\leadsto \sqrt[3]{\frac{\color{blue}{\frac{1}{a} \cdot -1}}{\frac{-2}{g}}} \]
    5. associate-/l*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{1}{a} \cdot \frac{-1}{\frac{-2}{g}}}} \]
    6. inv-powN/A

      \[\leadsto \sqrt[3]{\color{blue}{{a}^{-1}} \cdot \frac{-1}{\frac{-2}{g}}} \]
    7. metadata-evalN/A

      \[\leadsto \sqrt[3]{{a}^{\color{blue}{\left(2 - 3\right)}} \cdot \frac{-1}{\frac{-2}{g}}} \]
    8. pow-divN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{{a}^{2}}{{a}^{3}}} \cdot \frac{-1}{\frac{-2}{g}}} \]
    9. pow2N/A

      \[\leadsto \sqrt[3]{\frac{\color{blue}{a \cdot a}}{{a}^{3}} \cdot \frac{-1}{\frac{-2}{g}}} \]
    10. cube-unmultN/A

      \[\leadsto \sqrt[3]{\frac{a \cdot a}{\color{blue}{a \cdot \left(a \cdot a\right)}} \cdot \frac{-1}{\frac{-2}{g}}} \]
    11. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{a \cdot a}{a \cdot \left(a \cdot a\right)} \cdot \frac{\color{blue}{\mathsf{neg}\left(1\right)}}{\frac{-2}{g}}} \]
    12. distribute-neg-fracN/A

      \[\leadsto \sqrt[3]{\frac{a \cdot a}{a \cdot \left(a \cdot a\right)} \cdot \color{blue}{\left(\mathsf{neg}\left(\frac{1}{\frac{-2}{g}}\right)\right)}} \]
    13. clear-numN/A

      \[\leadsto \sqrt[3]{\frac{a \cdot a}{a \cdot \left(a \cdot a\right)} \cdot \left(\mathsf{neg}\left(\color{blue}{\frac{g}{-2}}\right)\right)} \]
    14. distribute-neg-frac2N/A

      \[\leadsto \sqrt[3]{\frac{a \cdot a}{a \cdot \left(a \cdot a\right)} \cdot \color{blue}{\frac{g}{\mathsf{neg}\left(-2\right)}}} \]
    15. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{a \cdot a}{a \cdot \left(a \cdot a\right)} \cdot \frac{g}{\color{blue}{2}}} \]
    16. times-fracN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\left(a \cdot a\right) \cdot g}{\left(a \cdot \left(a \cdot a\right)\right) \cdot 2}}} \]
    17. associate-*r/N/A

      \[\leadsto \sqrt[3]{\color{blue}{\left(a \cdot a\right) \cdot \frac{g}{\left(a \cdot \left(a \cdot a\right)\right) \cdot 2}}} \]
    18. clear-numN/A

      \[\leadsto \sqrt[3]{\left(a \cdot a\right) \cdot \color{blue}{\frac{1}{\frac{\left(a \cdot \left(a \cdot a\right)\right) \cdot 2}{g}}}} \]
    19. un-div-invN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{a \cdot a}{\frac{\left(a \cdot \left(a \cdot a\right)\right) \cdot 2}{g}}}} \]
    20. associate-/r/N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{a \cdot a}{\left(a \cdot \left(a \cdot a\right)\right) \cdot 2} \cdot g}} \]
  8. Applied egg-rr98.7%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{g}} \]
  9. Add Preprocessing

Alternative 7: 76.8% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \frac{1}{\sqrt[3]{\frac{a}{g \cdot 0.5}}} \end{array} \]
(FPCore (g a) :precision binary64 (/ 1.0 (cbrt (/ a (* g 0.5)))))
double code(double g, double a) {
	return 1.0 / cbrt((a / (g * 0.5)));
}
public static double code(double g, double a) {
	return 1.0 / Math.cbrt((a / (g * 0.5)));
}
function code(g, a)
	return Float64(1.0 / cbrt(Float64(a / Float64(g * 0.5))))
end
code[g_, a_] := N[(1.0 / N[Power[N[(a / N[(g * 0.5), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{1}{\sqrt[3]{\frac{a}{g \cdot 0.5}}}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-/r*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{2}}{a}}} \]
    2. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    3. /-lowering-/.f64N/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\frac{g}{2}}}{\sqrt[3]{a}}} \]
    4. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{\frac{g}{2}}}}{\sqrt[3]{a}} \]
    5. div-invN/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    6. *-lowering-*.f64N/A

      \[\leadsto \frac{\sqrt[3]{\color{blue}{g \cdot \frac{1}{2}}}}{\sqrt[3]{a}} \]
    7. metadata-evalN/A

      \[\leadsto \frac{\sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}}}{\sqrt[3]{a}} \]
    8. cbrt-lowering-cbrt.f6498.7

      \[\leadsto \frac{\sqrt[3]{g \cdot 0.5}}{\color{blue}{\sqrt[3]{a}}} \]
  4. Applied egg-rr98.7%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{g \cdot 0.5}}{\sqrt[3]{a}}} \]
  5. Step-by-step derivation
    1. clear-numN/A

      \[\leadsto \color{blue}{\frac{1}{\frac{\sqrt[3]{a}}{\sqrt[3]{g \cdot \frac{1}{2}}}}} \]
    2. associate-/r/N/A

      \[\leadsto \color{blue}{\frac{1}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}}} \]
    3. metadata-evalN/A

      \[\leadsto \frac{\color{blue}{\sqrt[3]{1}}}{\sqrt[3]{a}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    4. cbrt-divN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a}}} \cdot \sqrt[3]{g \cdot \frac{1}{2}} \]
    5. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{g \cdot \color{blue}{\frac{1}{2}}} \]
    6. div-invN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{g}{2}}} \]
    7. clear-numN/A

      \[\leadsto \sqrt[3]{\frac{1}{a}} \cdot \sqrt[3]{\color{blue}{\frac{1}{\frac{2}{g}}}} \]
    8. cbrt-prodN/A

      \[\leadsto \color{blue}{\sqrt[3]{\frac{1}{a} \cdot \frac{1}{\frac{2}{g}}}} \]
    9. div-invN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{1}{a}}{\frac{2}{g}}}} \]
    10. frac-2negN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(\frac{1}{a}\right)}{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    11. cbrt-divN/A

      \[\leadsto \color{blue}{\frac{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    12. pow1/3N/A

      \[\leadsto \frac{\color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}}}}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    13. div-invN/A

      \[\leadsto \color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    14. *-lowering-*.f64N/A

      \[\leadsto \color{blue}{{\left(\mathsf{neg}\left(\frac{1}{a}\right)\right)}^{\frac{1}{3}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    15. pow1/3N/A

      \[\leadsto \color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    16. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{1}{a}\right)}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    17. distribute-neg-fracN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(1\right)}{a}}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    18. metadata-evalN/A

      \[\leadsto \sqrt[3]{\frac{\color{blue}{-1}}{a}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    19. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{-1}{a}}} \cdot \frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}} \]
    20. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \color{blue}{\frac{1}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    21. cbrt-lowering-cbrt.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\color{blue}{\sqrt[3]{\mathsf{neg}\left(\frac{2}{g}\right)}}} \]
    22. distribute-neg-fracN/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    23. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\color{blue}{\frac{\mathsf{neg}\left(2\right)}{g}}}} \]
    24. metadata-eval98.8

      \[\leadsto \sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{\color{blue}{-2}}{g}}} \]
  6. Applied egg-rr98.8%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{-1}{a}} \cdot \frac{1}{\sqrt[3]{\frac{-2}{g}}}} \]
  7. Applied egg-rr78.8%

    \[\leadsto \color{blue}{\frac{1}{\sqrt[3]{\frac{a}{g \cdot 0.5}}}} \]
  8. Add Preprocessing

Alternative 8: 76.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \sqrt[3]{0.5 \cdot \frac{g}{a}} \end{array} \]
(FPCore (g a) :precision binary64 (cbrt (* 0.5 (/ g a))))
double code(double g, double a) {
	return cbrt((0.5 * (g / a)));
}
public static double code(double g, double a) {
	return Math.cbrt((0.5 * (g / a)));
}
function code(g, a)
	return cbrt(Float64(0.5 * Float64(g / a)))
end
code[g_, a_] := N[Power[N[(0.5 * N[(g / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]
\begin{array}{l}

\\
\sqrt[3]{0.5 \cdot \frac{g}{a}}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-/l/N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{g}{a}}{2}}} \]
    2. div-invN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a} \cdot \frac{1}{2}}} \]
    3. *-lowering-*.f64N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a} \cdot \frac{1}{2}}} \]
    4. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a}} \cdot \frac{1}{2}} \]
    5. metadata-eval78.5

      \[\leadsto \sqrt[3]{\frac{g}{a} \cdot \color{blue}{0.5}} \]
  4. Applied egg-rr78.5%

    \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{a} \cdot 0.5}} \]
  5. Final simplification78.5%

    \[\leadsto \sqrt[3]{0.5 \cdot \frac{g}{a}} \]
  6. Add Preprocessing

Alternative 9: 76.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \sqrt[3]{g \cdot \frac{0.5}{a}} \end{array} \]
(FPCore (g a) :precision binary64 (cbrt (* g (/ 0.5 a))))
double code(double g, double a) {
	return cbrt((g * (0.5 / a)));
}
public static double code(double g, double a) {
	return Math.cbrt((g * (0.5 / a)));
}
function code(g, a)
	return cbrt(Float64(g * Float64(0.5 / a)))
end
code[g_, a_] := N[Power[N[(g * N[(0.5 / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]
\begin{array}{l}

\\
\sqrt[3]{g \cdot \frac{0.5}{a}}
\end{array}
Derivation
  1. Initial program 78.1%

    \[\sqrt[3]{\frac{g}{2 \cdot a}} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. clear-numN/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{1}{\frac{2 \cdot a}{g}}}} \]
    2. associate-/r/N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{1}{2 \cdot a} \cdot g}} \]
    3. *-lowering-*.f64N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{1}{2 \cdot a} \cdot g}} \]
    4. associate-/r*N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{1}{2}}{a}} \cdot g} \]
    5. /-lowering-/.f64N/A

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\frac{1}{2}}{a}} \cdot g} \]
    6. metadata-eval78.5

      \[\leadsto \sqrt[3]{\frac{\color{blue}{0.5}}{a} \cdot g} \]
  4. Applied egg-rr78.5%

    \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{a} \cdot g}} \]
  5. Final simplification78.5%

    \[\leadsto \sqrt[3]{g \cdot \frac{0.5}{a}} \]
  6. Add Preprocessing

Reproduce

?
herbie shell --seed 2024198 
(FPCore (g a)
  :name "2-ancestry mixing, zero discriminant"
  :precision binary64
  (cbrt (/ g (* 2.0 a))))