2-ancestry mixing, positive discriminant

Percentage Accurate: 44.3% → 95.9%
Time: 38.9s
Alternatives: 6
Speedup: 2.1×

Specification

?
\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{1}{2 \cdot a}\\ t_1 := \sqrt{g \cdot g - h \cdot h}\\ \sqrt[3]{t\_0 \cdot \left(\left(-g\right) + t\_1\right)} + \sqrt[3]{t\_0 \cdot \left(\left(-g\right) - t\_1\right)} \end{array} \end{array} \]
(FPCore (g h a)
 :precision binary64
 (let* ((t_0 (/ 1.0 (* 2.0 a))) (t_1 (sqrt (- (* g g) (* h h)))))
   (+ (cbrt (* t_0 (+ (- g) t_1))) (cbrt (* t_0 (- (- g) t_1))))))
double code(double g, double h, double a) {
	double t_0 = 1.0 / (2.0 * a);
	double t_1 = sqrt(((g * g) - (h * h)));
	return cbrt((t_0 * (-g + t_1))) + cbrt((t_0 * (-g - t_1)));
}
public static double code(double g, double h, double a) {
	double t_0 = 1.0 / (2.0 * a);
	double t_1 = Math.sqrt(((g * g) - (h * h)));
	return Math.cbrt((t_0 * (-g + t_1))) + Math.cbrt((t_0 * (-g - t_1)));
}
function code(g, h, a)
	t_0 = Float64(1.0 / Float64(2.0 * a))
	t_1 = sqrt(Float64(Float64(g * g) - Float64(h * h)))
	return Float64(cbrt(Float64(t_0 * Float64(Float64(-g) + t_1))) + cbrt(Float64(t_0 * Float64(Float64(-g) - t_1))))
end
code[g_, h_, a_] := Block[{t$95$0 = N[(1.0 / N[(2.0 * a), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[Sqrt[N[(N[(g * g), $MachinePrecision] - N[(h * h), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, N[(N[Power[N[(t$95$0 * N[((-g) + t$95$1), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(t$95$0 * N[((-g) - t$95$1), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{1}{2 \cdot a}\\
t_1 := \sqrt{g \cdot g - h \cdot h}\\
\sqrt[3]{t\_0 \cdot \left(\left(-g\right) + t\_1\right)} + \sqrt[3]{t\_0 \cdot \left(\left(-g\right) - t\_1\right)}
\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 6 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: 44.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{1}{2 \cdot a}\\ t_1 := \sqrt{g \cdot g - h \cdot h}\\ \sqrt[3]{t\_0 \cdot \left(\left(-g\right) + t\_1\right)} + \sqrt[3]{t\_0 \cdot \left(\left(-g\right) - t\_1\right)} \end{array} \end{array} \]
(FPCore (g h a)
 :precision binary64
 (let* ((t_0 (/ 1.0 (* 2.0 a))) (t_1 (sqrt (- (* g g) (* h h)))))
   (+ (cbrt (* t_0 (+ (- g) t_1))) (cbrt (* t_0 (- (- g) t_1))))))
double code(double g, double h, double a) {
	double t_0 = 1.0 / (2.0 * a);
	double t_1 = sqrt(((g * g) - (h * h)));
	return cbrt((t_0 * (-g + t_1))) + cbrt((t_0 * (-g - t_1)));
}
public static double code(double g, double h, double a) {
	double t_0 = 1.0 / (2.0 * a);
	double t_1 = Math.sqrt(((g * g) - (h * h)));
	return Math.cbrt((t_0 * (-g + t_1))) + Math.cbrt((t_0 * (-g - t_1)));
}
function code(g, h, a)
	t_0 = Float64(1.0 / Float64(2.0 * a))
	t_1 = sqrt(Float64(Float64(g * g) - Float64(h * h)))
	return Float64(cbrt(Float64(t_0 * Float64(Float64(-g) + t_1))) + cbrt(Float64(t_0 * Float64(Float64(-g) - t_1))))
end
code[g_, h_, a_] := Block[{t$95$0 = N[(1.0 / N[(2.0 * a), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[Sqrt[N[(N[(g * g), $MachinePrecision] - N[(h * h), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, N[(N[Power[N[(t$95$0 * N[((-g) + t$95$1), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(t$95$0 * N[((-g) - t$95$1), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{1}{2 \cdot a}\\
t_1 := \sqrt{g \cdot g - h \cdot h}\\
\sqrt[3]{t\_0 \cdot \left(\left(-g\right) + t\_1\right)} + \sqrt[3]{t\_0 \cdot \left(\left(-g\right) - t\_1\right)}
\end{array}
\end{array}

Alternative 1: 95.9% accurate, 1.4× speedup?

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

\\
\frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}}
\end{array}
Derivation
  1. Initial program 45.4%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified45.4%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative25.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around -inf 74.9%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{-1 \cdot g}\right) \cdot \frac{-0.5}{a}} \]
  8. Step-by-step derivation
    1. neg-mul-174.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  9. Simplified74.9%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  10. Step-by-step derivation
    1. associate-*l/74.9%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    2. cbrt-div95.9%

      \[\leadsto \color{blue}{\frac{\sqrt[3]{0.5 \cdot \left(g \cdot -2\right)}}{\sqrt[3]{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    3. *-commutative95.9%

      \[\leadsto \frac{\sqrt[3]{0.5 \cdot \color{blue}{\left(-2 \cdot g\right)}}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    4. associate-*r*95.9%

      \[\leadsto \frac{\sqrt[3]{\color{blue}{\left(0.5 \cdot -2\right) \cdot g}}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    5. metadata-eval95.9%

      \[\leadsto \frac{\sqrt[3]{\color{blue}{-1} \cdot g}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    6. neg-mul-195.9%

      \[\leadsto \frac{\sqrt[3]{\color{blue}{-g}}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  11. Applied egg-rr95.9%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{-g}}{\sqrt[3]{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  12. Final simplification95.9%

    \[\leadsto \frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} \]
  13. Add Preprocessing

Alternative 2: 89.5% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq -5.2 \cdot 10^{-32} \lor \neg \left(a \leq 1.2 \cdot 10^{-30}\right):\\ \;\;\;\;\sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} + \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{-2}\\ \end{array} \end{array} \]
(FPCore (g h a)
 :precision binary64
 (if (or (<= a -5.2e-32) (not (<= a 1.2e-30)))
   (+ (cbrt (* (- g g) (/ -0.5 a))) (cbrt (* (/ 0.5 a) (* g -2.0))))
   (+ (/ (cbrt (- g)) (cbrt a)) (cbrt -2.0))))
double code(double g, double h, double a) {
	double tmp;
	if ((a <= -5.2e-32) || !(a <= 1.2e-30)) {
		tmp = cbrt(((g - g) * (-0.5 / a))) + cbrt(((0.5 / a) * (g * -2.0)));
	} else {
		tmp = (cbrt(-g) / cbrt(a)) + cbrt(-2.0);
	}
	return tmp;
}
public static double code(double g, double h, double a) {
	double tmp;
	if ((a <= -5.2e-32) || !(a <= 1.2e-30)) {
		tmp = Math.cbrt(((g - g) * (-0.5 / a))) + Math.cbrt(((0.5 / a) * (g * -2.0)));
	} else {
		tmp = (Math.cbrt(-g) / Math.cbrt(a)) + Math.cbrt(-2.0);
	}
	return tmp;
}
function code(g, h, a)
	tmp = 0.0
	if ((a <= -5.2e-32) || !(a <= 1.2e-30))
		tmp = Float64(cbrt(Float64(Float64(g - g) * Float64(-0.5 / a))) + cbrt(Float64(Float64(0.5 / a) * Float64(g * -2.0))));
	else
		tmp = Float64(Float64(cbrt(Float64(-g)) / cbrt(a)) + cbrt(-2.0));
	end
	return tmp
end
code[g_, h_, a_] := If[Or[LessEqual[a, -5.2e-32], N[Not[LessEqual[a, 1.2e-30]], $MachinePrecision]], N[(N[Power[N[(N[(g - g), $MachinePrecision] * N[(-0.5 / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(N[(0.5 / a), $MachinePrecision] * N[(g * -2.0), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], N[(N[(N[Power[(-g), 1/3], $MachinePrecision] / N[Power[a, 1/3], $MachinePrecision]), $MachinePrecision] + N[Power[-2.0, 1/3], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq -5.2 \cdot 10^{-32} \lor \neg \left(a \leq 1.2 \cdot 10^{-30}\right):\\
\;\;\;\;\sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} + \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{-2}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < -5.1999999999999995e-32 or 1.19999999999999992e-30 < a

    1. Initial program 46.0%

      \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
    2. Simplified46.0%

      \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
    3. Add Preprocessing
    4. Taylor expanded in g around -inf 22.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    5. Step-by-step derivation
      1. *-commutative22.3%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    6. Simplified22.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    7. Taylor expanded in g around -inf 91.2%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{-1 \cdot g}\right) \cdot \frac{-0.5}{a}} \]
    8. Step-by-step derivation
      1. neg-mul-191.2%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
    9. Simplified91.2%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]

    if -5.1999999999999995e-32 < a < 1.19999999999999992e-30

    1. Initial program 44.6%

      \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
    2. Simplified44.6%

      \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
    3. Add Preprocessing
    4. Taylor expanded in g around -inf 29.5%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    5. Step-by-step derivation
      1. *-commutative29.5%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    6. Simplified29.5%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    7. Taylor expanded in g around inf 12.1%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
    8. Applied egg-rr0.0%

      \[\leadsto \sqrt[3]{\color{blue}{e^{\mathsf{log1p}\left(\frac{\frac{0}{0}}{a}\right)} - 1}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    9. Simplified46.9%

      \[\leadsto \sqrt[3]{\color{blue}{-2}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    10. Step-by-step derivation
      1. cbrt-prod90.3%

        \[\leadsto \sqrt[3]{-2} + \color{blue}{\sqrt[3]{g + g} \cdot \sqrt[3]{\frac{-0.5}{a}}} \]
      2. *-commutative90.3%

        \[\leadsto \sqrt[3]{-2} + \color{blue}{\sqrt[3]{\frac{-0.5}{a}} \cdot \sqrt[3]{g + g}} \]
      3. add-sqr-sqrt40.6%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\sqrt{\frac{-0.5}{a}} \cdot \sqrt{\frac{-0.5}{a}}}} \cdot \sqrt[3]{g + g} \]
      4. sqrt-unprod22.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\sqrt{\frac{-0.5}{a} \cdot \frac{-0.5}{a}}}} \cdot \sqrt[3]{g + g} \]
      5. frac-times22.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\color{blue}{\frac{-0.5 \cdot -0.5}{a \cdot a}}}} \cdot \sqrt[3]{g + g} \]
      6. metadata-eval22.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\frac{\color{blue}{0.25}}{a \cdot a}}} \cdot \sqrt[3]{g + g} \]
      7. metadata-eval22.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\frac{\color{blue}{0.5 \cdot 0.5}}{a \cdot a}}} \cdot \sqrt[3]{g + g} \]
      8. frac-times22.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\color{blue}{\frac{0.5}{a} \cdot \frac{0.5}{a}}}} \cdot \sqrt[3]{g + g} \]
      9. sqrt-unprod0.7%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\sqrt{\frac{0.5}{a}} \cdot \sqrt{\frac{0.5}{a}}}} \cdot \sqrt[3]{g + g} \]
      10. add-sqr-sqrt1.2%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{0.5}{a}}} \cdot \sqrt[3]{g + g} \]
      11. add-sqr-sqrt0.6%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\color{blue}{\sqrt{g + g} \cdot \sqrt{g + g}}} \]
      12. sqrt-unprod24.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\color{blue}{\sqrt{\left(g + g\right) \cdot \left(g + g\right)}}} \]
      13. count-224.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\color{blue}{\left(2 \cdot g\right)} \cdot \left(g + g\right)}} \]
      14. count-224.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\left(2 \cdot g\right) \cdot \color{blue}{\left(2 \cdot g\right)}}} \]
      15. swap-sqr24.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\color{blue}{\left(2 \cdot 2\right) \cdot \left(g \cdot g\right)}}} \]
      16. metadata-eval24.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\color{blue}{4} \cdot \left(g \cdot g\right)}} \]
      17. metadata-eval24.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\color{blue}{\left(-2 \cdot -2\right)} \cdot \left(g \cdot g\right)}} \]
      18. swap-sqr24.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\color{blue}{\left(-2 \cdot g\right) \cdot \left(-2 \cdot g\right)}}} \]
      19. *-commutative24.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\color{blue}{\left(g \cdot -2\right)} \cdot \left(-2 \cdot g\right)}} \]
      20. *-commutative24.8%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\sqrt{\left(g \cdot -2\right) \cdot \color{blue}{\left(g \cdot -2\right)}}} \]
      21. sqrt-unprod42.1%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\color{blue}{\sqrt{g \cdot -2} \cdot \sqrt{g \cdot -2}}} \]
      22. add-sqr-sqrt90.3%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{0.5}{a}} \cdot \sqrt[3]{\color{blue}{g \cdot -2}} \]
    11. Applied egg-rr90.3%

      \[\leadsto \sqrt[3]{-2} + \color{blue}{\frac{\sqrt[3]{-g}}{\sqrt[3]{a}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification90.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -5.2 \cdot 10^{-32} \lor \neg \left(a \leq 1.2 \cdot 10^{-30}\right):\\ \;\;\;\;\sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} + \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{-2}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 73.6% accurate, 2.1× speedup?

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

\\
\sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} - \sqrt[3]{\frac{g}{a}}
\end{array}
Derivation
  1. Initial program 45.4%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified45.4%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative25.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around -inf 74.9%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{-1 \cdot g}\right) \cdot \frac{-0.5}{a}} \]
  8. Step-by-step derivation
    1. neg-mul-174.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  9. Simplified74.9%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  10. Taylor expanded in g around -inf 74.9%

    \[\leadsto \color{blue}{-1 \cdot \sqrt[3]{\frac{g}{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  11. Step-by-step derivation
    1. mul-1-neg74.9%

      \[\leadsto \color{blue}{\left(-\sqrt[3]{\frac{g}{a}}\right)} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  12. Simplified74.9%

    \[\leadsto \color{blue}{\left(-\sqrt[3]{\frac{g}{a}}\right)} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  13. Final simplification74.9%

    \[\leadsto \sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} - \sqrt[3]{\frac{g}{a}} \]
  14. Add Preprocessing

Alternative 4: 43.4% accurate, 2.1× speedup?

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

\\
\sqrt[3]{-2} + \sqrt[3]{\frac{g}{-a}}
\end{array}
Derivation
  1. Initial program 45.4%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified45.4%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative25.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around inf 15.6%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
  8. Applied egg-rr0.0%

    \[\leadsto \sqrt[3]{\color{blue}{e^{\mathsf{log1p}\left(\frac{\frac{0}{0}}{a}\right)} - 1}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  9. Simplified46.7%

    \[\leadsto \sqrt[3]{\color{blue}{-2}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  10. Step-by-step derivation
    1. +-commutative46.7%

      \[\leadsto \color{blue}{\sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} + \sqrt[3]{-2}} \]
    2. *-un-lft-identity46.7%

      \[\leadsto \color{blue}{1 \cdot \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}}} + \sqrt[3]{-2} \]
    3. fma-define46.7%

      \[\leadsto \color{blue}{\mathsf{fma}\left(1, \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}}, \sqrt[3]{-2}\right)} \]
    4. count-246.7%

      \[\leadsto \mathsf{fma}\left(1, \sqrt[3]{\color{blue}{\left(2 \cdot g\right)} \cdot \frac{-0.5}{a}}, \sqrt[3]{-2}\right) \]
  11. Applied egg-rr46.7%

    \[\leadsto \color{blue}{\mathsf{fma}\left(1, \sqrt[3]{\left(2 \cdot g\right) \cdot \frac{-0.5}{a}}, \sqrt[3]{-2}\right)} \]
  12. Step-by-step derivation
    1. fma-undefine46.7%

      \[\leadsto \color{blue}{1 \cdot \sqrt[3]{\left(2 \cdot g\right) \cdot \frac{-0.5}{a}} + \sqrt[3]{-2}} \]
    2. *-lft-identity46.7%

      \[\leadsto \color{blue}{\sqrt[3]{\left(2 \cdot g\right) \cdot \frac{-0.5}{a}}} + \sqrt[3]{-2} \]
    3. associate-*r/46.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{\left(2 \cdot g\right) \cdot -0.5}{a}}} + \sqrt[3]{-2} \]
    4. *-commutative46.7%

      \[\leadsto \sqrt[3]{\frac{\color{blue}{-0.5 \cdot \left(2 \cdot g\right)}}{a}} + \sqrt[3]{-2} \]
    5. associate-*r*46.7%

      \[\leadsto \sqrt[3]{\frac{\color{blue}{\left(-0.5 \cdot 2\right) \cdot g}}{a}} + \sqrt[3]{-2} \]
    6. metadata-eval46.7%

      \[\leadsto \sqrt[3]{\frac{\color{blue}{-1} \cdot g}{a}} + \sqrt[3]{-2} \]
    7. associate-*r/46.7%

      \[\leadsto \sqrt[3]{\color{blue}{-1 \cdot \frac{g}{a}}} + \sqrt[3]{-2} \]
    8. mul-1-neg46.7%

      \[\leadsto \sqrt[3]{\color{blue}{-\frac{g}{a}}} + \sqrt[3]{-2} \]
    9. distribute-neg-frac246.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{g}{-a}}} + \sqrt[3]{-2} \]
  13. Simplified46.7%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{g}{-a}} + \sqrt[3]{-2}} \]
  14. Final simplification46.7%

    \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{g}{-a}} \]
  15. Add Preprocessing

Alternative 5: 4.4% accurate, 2.1× speedup?

\[\begin{array}{l} \\ \sqrt[3]{-2} + \sqrt[3]{0} \end{array} \]
(FPCore (g h a) :precision binary64 (+ (cbrt -2.0) (cbrt 0.0)))
double code(double g, double h, double a) {
	return cbrt(-2.0) + cbrt(0.0);
}
public static double code(double g, double h, double a) {
	return Math.cbrt(-2.0) + Math.cbrt(0.0);
}
function code(g, h, a)
	return Float64(cbrt(-2.0) + cbrt(0.0))
end
code[g_, h_, a_] := N[(N[Power[-2.0, 1/3], $MachinePrecision] + N[Power[0.0, 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\sqrt[3]{-2} + \sqrt[3]{0}
\end{array}
Derivation
  1. Initial program 45.4%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified45.4%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative25.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around inf 15.6%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
  8. Applied egg-rr0.0%

    \[\leadsto \sqrt[3]{\color{blue}{e^{\mathsf{log1p}\left(\frac{\frac{0}{0}}{a}\right)} - 1}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  9. Simplified46.7%

    \[\leadsto \sqrt[3]{\color{blue}{-2}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  10. Step-by-step derivation
    1. *-commutative46.7%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{-0.5}{a} \cdot \left(g + g\right)}} \]
    2. clear-num46.7%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{1}{\frac{a}{-0.5}}} \cdot \left(g + g\right)} \]
    3. flip-+0.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{1}{\frac{a}{-0.5}} \cdot \color{blue}{\frac{g \cdot g - g \cdot g}{g - g}}} \]
    4. frac-times0.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{1 \cdot \left(g \cdot g - g \cdot g\right)}{\frac{a}{-0.5} \cdot \left(g - g\right)}}} \]
    5. *-un-lft-identity0.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{\color{blue}{g \cdot g - g \cdot g}}{\frac{a}{-0.5} \cdot \left(g - g\right)}} \]
    6. pow20.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{\color{blue}{{g}^{2}} - g \cdot g}{\frac{a}{-0.5} \cdot \left(g - g\right)}} \]
    7. pow20.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - \color{blue}{{g}^{2}}}{\frac{a}{-0.5} \cdot \left(g - g\right)}} \]
    8. div-inv0.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\color{blue}{\left(a \cdot \frac{1}{-0.5}\right)} \cdot \left(g - g\right)}} \]
    9. metadata-eval0.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot \color{blue}{-2}\right) \cdot \left(g - g\right)}} \]
    10. add-sqr-sqrt0.7%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \left(\color{blue}{\sqrt{g} \cdot \sqrt{g}} - g\right)}} \]
    11. fmm-def1.5%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \color{blue}{\mathsf{fma}\left(\sqrt{g}, \sqrt{g}, -g\right)}}} \]
    12. add-sqr-sqrt0.0%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \mathsf{fma}\left(\sqrt{g}, \sqrt{g}, \color{blue}{\sqrt{-g} \cdot \sqrt{-g}}\right)}} \]
    13. sqrt-unprod1.5%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \mathsf{fma}\left(\sqrt{g}, \sqrt{g}, \color{blue}{\sqrt{\left(-g\right) \cdot \left(-g\right)}}\right)}} \]
    14. sqr-neg1.5%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \mathsf{fma}\left(\sqrt{g}, \sqrt{g}, \sqrt{\color{blue}{g \cdot g}}\right)}} \]
    15. sqrt-prod1.5%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \mathsf{fma}\left(\sqrt{g}, \sqrt{g}, \color{blue}{\sqrt{g} \cdot \sqrt{g}}\right)}} \]
    16. add-sqr-sqrt1.5%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \mathsf{fma}\left(\sqrt{g}, \sqrt{g}, \color{blue}{g}\right)}} \]
    17. fma-define1.5%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \color{blue}{\left(\sqrt{g} \cdot \sqrt{g} + g\right)}}} \]
    18. add-sqr-sqrt2.3%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \left(\color{blue}{g} + g\right)}} \]
    19. count-22.3%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \color{blue}{\left(2 \cdot g\right)}}} \]
  11. Applied egg-rr2.3%

    \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{{g}^{2} - {g}^{2}}{\left(a \cdot -2\right) \cdot \left(2 \cdot g\right)}}} \]
  12. Step-by-step derivation
    1. div-sub2.2%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{{g}^{2}}{\left(a \cdot -2\right) \cdot \left(2 \cdot g\right)} - \frac{{g}^{2}}{\left(a \cdot -2\right) \cdot \left(2 \cdot g\right)}}} \]
    2. +-inverses4.5%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{0}} \]
  13. Simplified4.5%

    \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{0}} \]
  14. Final simplification4.5%

    \[\leadsto \sqrt[3]{-2} + \sqrt[3]{0} \]
  15. Add Preprocessing

Alternative 6: 4.5% accurate, 2.1× speedup?

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

\\
\sqrt[3]{-2} - \sqrt[3]{g}
\end{array}
Derivation
  1. Initial program 45.4%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified45.4%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative25.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified25.3%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around inf 15.6%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
  8. Applied egg-rr0.0%

    \[\leadsto \sqrt[3]{\color{blue}{e^{\mathsf{log1p}\left(\frac{\frac{0}{0}}{a}\right)} - 1}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  9. Simplified46.7%

    \[\leadsto \sqrt[3]{\color{blue}{-2}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  10. Taylor expanded in g around 0 46.7%

    \[\leadsto \sqrt[3]{-2} + \color{blue}{\sqrt[3]{\frac{g}{a}} \cdot \sqrt[3]{-1}} \]
  11. Simplified4.9%

    \[\leadsto \sqrt[3]{-2} + \color{blue}{\left(-\sqrt[3]{g}\right)} \]
  12. Final simplification4.9%

    \[\leadsto \sqrt[3]{-2} - \sqrt[3]{g} \]
  13. Add Preprocessing

Reproduce

?
herbie shell --seed 2024076 
(FPCore (g h a)
  :name "2-ancestry mixing, positive discriminant"
  :precision binary64
  (+ (cbrt (* (/ 1.0 (* 2.0 a)) (+ (- g) (sqrt (- (* g g) (* h h)))))) (cbrt (* (/ 1.0 (* 2.0 a)) (- (- g) (sqrt (- (* g g) (* h h))))))))