2-ancestry mixing, positive discriminant

Percentage Accurate: 43.9% → 95.6%
Time: 34.8s
Alternatives: 7
Speedup: 2.0×

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 7 alternatives:

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

Initial Program: 43.9% 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: 95.6% 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 46.5%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified46.5%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative28.1%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around -inf 76.5%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{-1 \cdot g}\right) \cdot \frac{-0.5}{a}} \]
  8. Step-by-step derivation
    1. neg-mul-176.5%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  9. Simplified76.5%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  10. Step-by-step derivation
    1. associate-*l/76.5%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    2. cbrt-div95.8%

      \[\leadsto \color{blue}{\frac{\sqrt[3]{0.5 \cdot \left(g \cdot -2\right)}}{\sqrt[3]{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    3. *-commutative95.8%

      \[\leadsto \frac{\sqrt[3]{0.5 \cdot \color{blue}{\left(-2 \cdot g\right)}}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    4. associate-*r*96.2%

      \[\leadsto \frac{\sqrt[3]{\color{blue}{\left(0.5 \cdot -2\right) \cdot g}}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    5. metadata-eval96.2%

      \[\leadsto \frac{\sqrt[3]{\color{blue}{-1} \cdot g}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    6. neg-mul-196.2%

      \[\leadsto \frac{\sqrt[3]{\color{blue}{-g}}}{\sqrt[3]{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  11. Applied egg-rr96.2%

    \[\leadsto \color{blue}{\frac{\sqrt[3]{-g}}{\sqrt[3]{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  12. Final simplification96.2%

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

Alternative 2: 89.1% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}}\\ \mathbf{if}\;a \leq -6.2 \cdot 10^{-69}:\\ \;\;\;\;t_0 + \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}\\ \mathbf{elif}\;a \leq 3.9 \cdot 10^{-36}:\\ \;\;\;\;\frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{-2}\\ \mathbf{else}:\\ \;\;\;\;t_0 + \sqrt[3]{\frac{1}{\frac{a}{-g}}}\\ \end{array} \end{array} \]
(FPCore (g h a)
 :precision binary64
 (let* ((t_0 (cbrt (* (- g g) (/ -0.5 a)))))
   (if (<= a -6.2e-69)
     (+ t_0 (cbrt (* (/ 0.5 a) (* g -2.0))))
     (if (<= a 3.9e-36)
       (+ (/ (cbrt (- g)) (cbrt a)) (cbrt -2.0))
       (+ t_0 (cbrt (/ 1.0 (/ a (- g)))))))))
double code(double g, double h, double a) {
	double t_0 = cbrt(((g - g) * (-0.5 / a)));
	double tmp;
	if (a <= -6.2e-69) {
		tmp = t_0 + cbrt(((0.5 / a) * (g * -2.0)));
	} else if (a <= 3.9e-36) {
		tmp = (cbrt(-g) / cbrt(a)) + cbrt(-2.0);
	} else {
		tmp = t_0 + cbrt((1.0 / (a / -g)));
	}
	return tmp;
}
public static double code(double g, double h, double a) {
	double t_0 = Math.cbrt(((g - g) * (-0.5 / a)));
	double tmp;
	if (a <= -6.2e-69) {
		tmp = t_0 + Math.cbrt(((0.5 / a) * (g * -2.0)));
	} else if (a <= 3.9e-36) {
		tmp = (Math.cbrt(-g) / Math.cbrt(a)) + Math.cbrt(-2.0);
	} else {
		tmp = t_0 + Math.cbrt((1.0 / (a / -g)));
	}
	return tmp;
}
function code(g, h, a)
	t_0 = cbrt(Float64(Float64(g - g) * Float64(-0.5 / a)))
	tmp = 0.0
	if (a <= -6.2e-69)
		tmp = Float64(t_0 + cbrt(Float64(Float64(0.5 / a) * Float64(g * -2.0))));
	elseif (a <= 3.9e-36)
		tmp = Float64(Float64(cbrt(Float64(-g)) / cbrt(a)) + cbrt(-2.0));
	else
		tmp = Float64(t_0 + cbrt(Float64(1.0 / Float64(a / Float64(-g)))));
	end
	return tmp
end
code[g_, h_, a_] := Block[{t$95$0 = N[Power[N[(N[(g - g), $MachinePrecision] * N[(-0.5 / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]}, If[LessEqual[a, -6.2e-69], N[(t$95$0 + N[Power[N[(N[(0.5 / a), $MachinePrecision] * N[(g * -2.0), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], If[LessEqual[a, 3.9e-36], N[(N[(N[Power[(-g), 1/3], $MachinePrecision] / N[Power[a, 1/3], $MachinePrecision]), $MachinePrecision] + N[Power[-2.0, 1/3], $MachinePrecision]), $MachinePrecision], N[(t$95$0 + N[Power[N[(1.0 / N[(a / (-g)), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}}\\
\mathbf{if}\;a \leq -6.2 \cdot 10^{-69}:\\
\;\;\;\;t_0 + \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}\\

\mathbf{elif}\;a \leq 3.9 \cdot 10^{-36}:\\
\;\;\;\;\frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{-2}\\

\mathbf{else}:\\
\;\;\;\;t_0 + \sqrt[3]{\frac{1}{\frac{a}{-g}}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if a < -6.1999999999999999e-69

    1. Initial program 45.8%

      \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
    2. Simplified45.8%

      \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
    3. Add Preprocessing
    4. Taylor expanded in g around -inf 24.2%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    5. Step-by-step derivation
      1. *-commutative24.2%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    6. Simplified24.2%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    7. Taylor expanded in g around -inf 89.6%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{-1 \cdot g}\right) \cdot \frac{-0.5}{a}} \]
    8. Step-by-step derivation
      1. neg-mul-189.6%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
    9. Simplified89.6%

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

    if -6.1999999999999999e-69 < a < 3.9000000000000001e-36

    1. Initial program 41.0%

      \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
    2. Simplified41.0%

      \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
    3. Add Preprocessing
    4. Taylor expanded in g around -inf 27.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    5. Step-by-step derivation
      1. *-commutative27.9%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    6. Simplified27.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    7. Taylor expanded in g around inf 11.5%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
    8. Step-by-step derivation
      1. associate-*l/11.5%

        \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      2. associate-/l*11.5%

        \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{g \cdot -2}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      3. add-sqr-sqrt6.5%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g \cdot -2} \cdot \sqrt{g \cdot -2}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      4. sqrt-unprod11.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      5. *-commutative11.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot g\right)} \cdot \left(g \cdot -2\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      6. *-commutative11.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(-2 \cdot g\right) \cdot \color{blue}{\left(-2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      7. swap-sqr11.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot -2\right) \cdot \left(g \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      8. metadata-eval11.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{4} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      9. metadata-eval11.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot 2\right)} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      10. swap-sqr11.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot g\right) \cdot \left(2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      11. count-211.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(g + g\right)} \cdot \left(2 \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      12. count-211.1%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(g + g\right) \cdot \color{blue}{\left(g + g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      13. sqrt-unprod0.9%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g + g} \cdot \sqrt{g + g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      14. add-sqr-sqrt1.9%

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

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\frac{g \cdot g - g \cdot g}{g - g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      16. +-inverses0.0%

        \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\frac{\color{blue}{0}}{g - g}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
      17. +-inverses0.0%

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

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{\frac{0}{0}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    10. Simplified44.7%

      \[\leadsto \sqrt[3]{\color{blue}{-2}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    11. Step-by-step derivation
      1. add-sqr-sqrt18.2%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\sqrt{\left(g + g\right) \cdot \frac{-0.5}{a}} \cdot \sqrt{\left(g + g\right) \cdot \frac{-0.5}{a}}}} \]
      2. sqrt-unprod6.4%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\sqrt{\left(\left(g + g\right) \cdot \frac{-0.5}{a}\right) \cdot \left(\left(g + g\right) \cdot \frac{-0.5}{a}\right)}}} \]
      3. swap-sqr3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\color{blue}{\left(\left(g + g\right) \cdot \left(g + g\right)\right) \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}}} \]
      4. count-23.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\color{blue}{\left(2 \cdot g\right)} \cdot \left(g + g\right)\right) \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      5. count-23.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\left(2 \cdot g\right) \cdot \color{blue}{\left(2 \cdot g\right)}\right) \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      6. swap-sqr3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\color{blue}{\left(\left(2 \cdot 2\right) \cdot \left(g \cdot g\right)\right)} \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      7. metadata-eval3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\color{blue}{4} \cdot \left(g \cdot g\right)\right) \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      8. metadata-eval3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\color{blue}{\left(-2 \cdot -2\right)} \cdot \left(g \cdot g\right)\right) \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      9. swap-sqr3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\color{blue}{\left(\left(-2 \cdot g\right) \cdot \left(-2 \cdot g\right)\right)} \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      10. *-commutative3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\color{blue}{\left(g \cdot -2\right)} \cdot \left(-2 \cdot g\right)\right) \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      11. *-commutative3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\left(g \cdot -2\right) \cdot \color{blue}{\left(g \cdot -2\right)}\right) \cdot \left(\frac{-0.5}{a} \cdot \frac{-0.5}{a}\right)}} \]
      12. frac-times3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)\right) \cdot \color{blue}{\frac{-0.5 \cdot -0.5}{a \cdot a}}}} \]
      13. metadata-eval3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)\right) \cdot \frac{\color{blue}{0.25}}{a \cdot a}}} \]
      14. metadata-eval3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)\right) \cdot \frac{\color{blue}{0.5 \cdot 0.5}}{a \cdot a}}} \]
      15. frac-times3.0%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)\right) \cdot \color{blue}{\left(\frac{0.5}{a} \cdot \frac{0.5}{a}\right)}}} \]
      16. swap-sqr6.4%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\color{blue}{\left(\left(g \cdot -2\right) \cdot \frac{0.5}{a}\right) \cdot \left(\left(g \cdot -2\right) \cdot \frac{0.5}{a}\right)}}} \]
      17. *-commutative6.4%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\color{blue}{\left(\frac{0.5}{a} \cdot \left(g \cdot -2\right)\right)} \cdot \left(\left(g \cdot -2\right) \cdot \frac{0.5}{a}\right)}} \]
      18. *-commutative6.4%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\sqrt{\left(\frac{0.5}{a} \cdot \left(g \cdot -2\right)\right) \cdot \color{blue}{\left(\frac{0.5}{a} \cdot \left(g \cdot -2\right)\right)}}} \]
      19. sqrt-unprod18.2%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\sqrt{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} \cdot \sqrt{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}}} \]
      20. add-sqr-sqrt44.7%

        \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}} \]
    12. Applied egg-rr91.6%

      \[\leadsto \sqrt[3]{-2} + \color{blue}{\frac{\sqrt[3]{-g}}{\sqrt[3]{a}}} \]

    if 3.9000000000000001e-36 < a

    1. Initial program 52.7%

      \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
    2. Simplified52.7%

      \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
    3. Add Preprocessing
    4. Taylor expanded in g around -inf 32.8%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    5. Step-by-step derivation
      1. *-commutative32.8%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    6. Simplified32.8%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    7. Taylor expanded in g around -inf 89.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{-1 \cdot g}\right) \cdot \frac{-0.5}{a}} \]
    8. Step-by-step derivation
      1. neg-mul-189.9%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
    9. Simplified89.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
    10. Step-by-step derivation
      1. associate-*l/90.0%

        \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
      2. clear-num90.0%

        \[\leadsto \sqrt[3]{\color{blue}{\frac{1}{\frac{a}{0.5 \cdot \left(g \cdot -2\right)}}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
      3. *-commutative90.0%

        \[\leadsto \sqrt[3]{\frac{1}{\frac{a}{0.5 \cdot \color{blue}{\left(-2 \cdot g\right)}}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
      4. associate-*r*91.2%

        \[\leadsto \sqrt[3]{\frac{1}{\frac{a}{\color{blue}{\left(0.5 \cdot -2\right) \cdot g}}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
      5. metadata-eval91.2%

        \[\leadsto \sqrt[3]{\frac{1}{\frac{a}{\color{blue}{-1} \cdot g}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
      6. neg-mul-191.2%

        \[\leadsto \sqrt[3]{\frac{1}{\frac{a}{\color{blue}{-g}}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    11. Applied egg-rr91.2%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{1}{\frac{a}{-g}}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification90.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -6.2 \cdot 10^{-69}:\\ \;\;\;\;\sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} + \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)}\\ \mathbf{elif}\;a \leq 3.9 \cdot 10^{-36}:\\ \;\;\;\;\frac{\sqrt[3]{-g}}{\sqrt[3]{a}} + \sqrt[3]{-2}\\ \mathbf{else}:\\ \;\;\;\;\sqrt[3]{\left(g - g\right) \cdot \frac{-0.5}{a}} + \sqrt[3]{\frac{1}{\frac{a}{-g}}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 62.3% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;g \leq -1.8 \cdot 10^{+19} \lor \neg \left(g \leq 1350000000\right):\\ \;\;\;\;\sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \frac{-2}{\sqrt[3]{a}}\\ \mathbf{else}:\\ \;\;\;\;\sqrt[3]{-g} + \sqrt[3]{\frac{-0.5}{a} \cdot \left(g + g\right)}\\ \end{array} \end{array} \]
(FPCore (g h a)
 :precision binary64
 (if (or (<= g -1.8e+19) (not (<= g 1350000000.0)))
   (+ (cbrt (* (/ 0.5 a) (* g -2.0))) (/ -2.0 (cbrt a)))
   (+ (cbrt (- g)) (cbrt (* (/ -0.5 a) (+ g g))))))
double code(double g, double h, double a) {
	double tmp;
	if ((g <= -1.8e+19) || !(g <= 1350000000.0)) {
		tmp = cbrt(((0.5 / a) * (g * -2.0))) + (-2.0 / cbrt(a));
	} else {
		tmp = cbrt(-g) + cbrt(((-0.5 / a) * (g + g)));
	}
	return tmp;
}
public static double code(double g, double h, double a) {
	double tmp;
	if ((g <= -1.8e+19) || !(g <= 1350000000.0)) {
		tmp = Math.cbrt(((0.5 / a) * (g * -2.0))) + (-2.0 / Math.cbrt(a));
	} else {
		tmp = Math.cbrt(-g) + Math.cbrt(((-0.5 / a) * (g + g)));
	}
	return tmp;
}
function code(g, h, a)
	tmp = 0.0
	if ((g <= -1.8e+19) || !(g <= 1350000000.0))
		tmp = Float64(cbrt(Float64(Float64(0.5 / a) * Float64(g * -2.0))) + Float64(-2.0 / cbrt(a)));
	else
		tmp = Float64(cbrt(Float64(-g)) + cbrt(Float64(Float64(-0.5 / a) * Float64(g + g))));
	end
	return tmp
end
code[g_, h_, a_] := If[Or[LessEqual[g, -1.8e+19], N[Not[LessEqual[g, 1350000000.0]], $MachinePrecision]], N[(N[Power[N[(N[(0.5 / a), $MachinePrecision] * N[(g * -2.0), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] + N[(-2.0 / N[Power[a, 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[(-g), 1/3], $MachinePrecision] + N[Power[N[(N[(-0.5 / a), $MachinePrecision] * N[(g + g), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;g \leq -1.8 \cdot 10^{+19} \lor \neg \left(g \leq 1350000000\right):\\
\;\;\;\;\sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \frac{-2}{\sqrt[3]{a}}\\

\mathbf{else}:\\
\;\;\;\;\sqrt[3]{-g} + \sqrt[3]{\frac{-0.5}{a} \cdot \left(g + g\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if g < -1.8e19 or 1.35e9 < g

    1. Initial program 37.6%

      \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
    2. Simplified37.6%

      \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
    3. Add Preprocessing
    4. Taylor expanded in g around -inf 21.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    5. Step-by-step derivation
      1. *-commutative21.3%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    6. Simplified21.3%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    7. Taylor expanded in g around inf 15.3%

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

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \color{blue}{\frac{\frac{0}{0}}{\sqrt[3]{a}}} \]
    9. Simplified71.5%

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

    if -1.8e19 < g < 1.35e9

    1. Initial program 69.0%

      \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
    2. Simplified69.0%

      \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
    3. Add Preprocessing
    4. Taylor expanded in g around -inf 45.7%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    5. Step-by-step derivation
      1. *-commutative45.7%

        \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    6. Simplified45.7%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
    7. Taylor expanded in g around inf 16.6%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
    8. Taylor expanded in a around 0 16.6%

      \[\leadsto \sqrt[3]{\color{blue}{-1 \cdot \frac{g}{a}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    9. Simplified38.8%

      \[\leadsto \sqrt[3]{\color{blue}{-g}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;g \leq -1.8 \cdot 10^{+19} \lor \neg \left(g \leq 1350000000\right):\\ \;\;\;\;\sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \frac{-2}{\sqrt[3]{a}}\\ \mathbf{else}:\\ \;\;\;\;\sqrt[3]{-g} + \sqrt[3]{\frac{-0.5}{a} \cdot \left(g + g\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 73.5% accurate, 2.0× 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(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 46.5%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified46.5%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative28.1%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around -inf 76.5%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{-1 \cdot g}\right) \cdot \frac{-0.5}{a}} \]
  8. Step-by-step derivation
    1. neg-mul-176.5%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  9. Simplified76.5%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{\left(-g\right)}\right) \cdot \frac{-0.5}{a}} \]
  10. Step-by-step derivation
    1. associate-*l/76.5%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    2. *-commutative76.5%

      \[\leadsto \sqrt[3]{\frac{0.5 \cdot \color{blue}{\left(-2 \cdot g\right)}}{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    3. associate-*r*76.8%

      \[\leadsto \sqrt[3]{\frac{\color{blue}{\left(0.5 \cdot -2\right) \cdot g}}{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    4. metadata-eval76.8%

      \[\leadsto \sqrt[3]{\frac{\color{blue}{-1} \cdot g}{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
    5. neg-mul-176.8%

      \[\leadsto \sqrt[3]{\frac{\color{blue}{-g}}{a}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  11. Applied egg-rr76.8%

    \[\leadsto \sqrt[3]{\color{blue}{\frac{-g}{a}}} + \sqrt[3]{\left(g + \left(-g\right)\right) \cdot \frac{-0.5}{a}} \]
  12. Final simplification76.8%

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

Alternative 5: 43.8% 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(Float64(-g) / 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 46.5%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified46.5%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative28.1%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around inf 15.7%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
  8. Step-by-step derivation
    1. associate-*l/15.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    2. associate-/l*15.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{g \cdot -2}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    3. add-sqr-sqrt7.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g \cdot -2} \cdot \sqrt{g \cdot -2}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    4. sqrt-unprod9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    5. *-commutative9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot g\right)} \cdot \left(g \cdot -2\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    6. *-commutative9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(-2 \cdot g\right) \cdot \color{blue}{\left(-2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    7. swap-sqr9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot -2\right) \cdot \left(g \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    8. metadata-eval9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{4} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    9. metadata-eval9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot 2\right)} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    10. swap-sqr9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot g\right) \cdot \left(2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    11. count-29.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(g + g\right)} \cdot \left(2 \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    12. count-29.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(g + g\right) \cdot \color{blue}{\left(g + g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    13. sqrt-unprod1.8%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g + g} \cdot \sqrt{g + g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    14. add-sqr-sqrt3.3%

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

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\frac{g \cdot g - g \cdot g}{g - g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    16. +-inverses0.0%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\frac{\color{blue}{0}}{g - g}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    17. +-inverses0.0%

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

    \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{\frac{0}{0}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  10. Simplified40.3%

    \[\leadsto \sqrt[3]{\color{blue}{-2}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  11. Taylor expanded in g around 0 40.6%

    \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{-1 \cdot \frac{g}{a}}} \]
  12. Step-by-step derivation
    1. neg-mul-140.6%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{-\frac{g}{a}}} \]
    2. distribute-neg-frac40.6%

      \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{-g}{a}}} \]
  13. Simplified40.6%

    \[\leadsto \sqrt[3]{-2} + \sqrt[3]{\color{blue}{\frac{-g}{a}}} \]
  14. Final simplification40.6%

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

Alternative 6: 4.8% accurate, 2.1× speedup?

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

\\
\sqrt[3]{-2} + \frac{-2}{\sqrt[3]{a}}
\end{array}
Derivation
  1. Initial program 46.5%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified46.5%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative28.1%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around inf 15.7%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
  8. Step-by-step derivation
    1. associate-*l/15.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    2. associate-/l*15.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{g \cdot -2}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    3. add-sqr-sqrt7.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g \cdot -2} \cdot \sqrt{g \cdot -2}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    4. sqrt-unprod9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    5. *-commutative9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot g\right)} \cdot \left(g \cdot -2\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    6. *-commutative9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(-2 \cdot g\right) \cdot \color{blue}{\left(-2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    7. swap-sqr9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot -2\right) \cdot \left(g \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    8. metadata-eval9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{4} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    9. metadata-eval9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot 2\right)} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    10. swap-sqr9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot g\right) \cdot \left(2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    11. count-29.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(g + g\right)} \cdot \left(2 \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    12. count-29.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(g + g\right) \cdot \color{blue}{\left(g + g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    13. sqrt-unprod1.8%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g + g} \cdot \sqrt{g + g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    14. add-sqr-sqrt3.3%

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

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\frac{g \cdot g - g \cdot g}{g - g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    16. +-inverses0.0%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\frac{\color{blue}{0}}{g - g}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    17. +-inverses0.0%

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

    \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{\frac{0}{0}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  10. Simplified40.3%

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

    \[\leadsto \sqrt[3]{-2} + \color{blue}{\frac{\frac{0}{0}}{\sqrt[3]{a}}} \]
  12. Simplified4.9%

    \[\leadsto \sqrt[3]{-2} + \color{blue}{\frac{-2}{\sqrt[3]{a}}} \]
  13. Final simplification4.9%

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

Alternative 7: 4.4% accurate, 4.3× speedup?

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

\\
\sqrt[3]{-2}
\end{array}
Derivation
  1. Initial program 46.5%

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)} \]
  2. Simplified46.5%

    \[\leadsto \color{blue}{\sqrt[3]{\frac{0.5}{a} \cdot \left(\sqrt{g \cdot g - h \cdot h} - g\right)} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}}} \]
  3. Add Preprocessing
  4. Taylor expanded in g around -inf 28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(-2 \cdot g\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  5. Step-by-step derivation
    1. *-commutative28.1%

      \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  6. Simplified28.1%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \color{blue}{\left(g \cdot -2\right)}} + \sqrt[3]{\left(g + \sqrt{g \cdot g - h \cdot h}\right) \cdot \frac{-0.5}{a}} \]
  7. Taylor expanded in g around inf 15.7%

    \[\leadsto \sqrt[3]{\frac{0.5}{a} \cdot \left(g \cdot -2\right)} + \sqrt[3]{\left(g + \color{blue}{g}\right) \cdot \frac{-0.5}{a}} \]
  8. Step-by-step derivation
    1. associate-*l/15.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5 \cdot \left(g \cdot -2\right)}{a}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    2. associate-/l*15.7%

      \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{g \cdot -2}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    3. add-sqr-sqrt7.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g \cdot -2} \cdot \sqrt{g \cdot -2}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    4. sqrt-unprod9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{\left(g \cdot -2\right) \cdot \left(g \cdot -2\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    5. *-commutative9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot g\right)} \cdot \left(g \cdot -2\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    6. *-commutative9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(-2 \cdot g\right) \cdot \color{blue}{\left(-2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    7. swap-sqr9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(-2 \cdot -2\right) \cdot \left(g \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    8. metadata-eval9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{4} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    9. metadata-eval9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot 2\right)} \cdot \left(g \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    10. swap-sqr9.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(2 \cdot g\right) \cdot \left(2 \cdot g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    11. count-29.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\color{blue}{\left(g + g\right)} \cdot \left(2 \cdot g\right)}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    12. count-29.9%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\sqrt{\left(g + g\right) \cdot \color{blue}{\left(g + g\right)}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    13. sqrt-unprod1.8%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\sqrt{g + g} \cdot \sqrt{g + g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    14. add-sqr-sqrt3.3%

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

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\color{blue}{\frac{g \cdot g - g \cdot g}{g - g}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    16. +-inverses0.0%

      \[\leadsto \sqrt[3]{\frac{0.5}{\frac{a}{\frac{\color{blue}{0}}{g - g}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
    17. +-inverses0.0%

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

    \[\leadsto \sqrt[3]{\color{blue}{\frac{0.5}{\frac{a}{\frac{0}{0}}}}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  10. Simplified40.3%

    \[\leadsto \sqrt[3]{\color{blue}{-2}} + \sqrt[3]{\left(g + g\right) \cdot \frac{-0.5}{a}} \]
  11. Taylor expanded in g around 0 4.7%

    \[\leadsto \color{blue}{\sqrt[3]{-2}} \]
  12. Final simplification4.7%

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

Reproduce

?
herbie shell --seed 2024024 
(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))))))))