
(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:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(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}
(FPCore (g h a)
:precision binary64
(let* ((t_0 (cbrt (/ 0.5 a))))
(if (<= g 4e+139)
(fma
t_0
(- (cbrt (* 2.0 g)))
(cbrt
(*
(*
(fma 0.0 h (/ (fma -1.0 (* h h) (* (pow (* 0.0 h) 2.0) -0.25)) g))
0.5)
(/ 0.5 a))))
(fma
t_0
(cbrt (- (fma (sqrt (+ h g)) (sqrt (- g h)) g)))
(cbrt (/ 0.0 a))))))
double code(double g, double h, double a) {
double t_0 = cbrt((0.5 / a));
double tmp;
if (g <= 4e+139) {
tmp = fma(t_0, -cbrt((2.0 * g)), cbrt(((fma(0.0, h, (fma(-1.0, (h * h), (pow((0.0 * h), 2.0) * -0.25)) / g)) * 0.5) * (0.5 / a))));
} else {
tmp = fma(t_0, cbrt(-fma(sqrt((h + g)), sqrt((g - h)), g)), cbrt((0.0 / a)));
}
return tmp;
}
function code(g, h, a) t_0 = cbrt(Float64(0.5 / a)) tmp = 0.0 if (g <= 4e+139) tmp = fma(t_0, Float64(-cbrt(Float64(2.0 * g))), cbrt(Float64(Float64(fma(0.0, h, Float64(fma(-1.0, Float64(h * h), Float64((Float64(0.0 * h) ^ 2.0) * -0.25)) / g)) * 0.5) * Float64(0.5 / a)))); else tmp = fma(t_0, cbrt(Float64(-fma(sqrt(Float64(h + g)), sqrt(Float64(g - h)), g))), cbrt(Float64(0.0 / a))); end return tmp end
code[g_, h_, a_] := Block[{t$95$0 = N[Power[N[(0.5 / a), $MachinePrecision], 1/3], $MachinePrecision]}, If[LessEqual[g, 4e+139], N[(t$95$0 * (-N[Power[N[(2.0 * g), $MachinePrecision], 1/3], $MachinePrecision]) + N[Power[N[(N[(N[(0.0 * h + N[(N[(-1.0 * N[(h * h), $MachinePrecision] + N[(N[Power[N[(0.0 * h), $MachinePrecision], 2.0], $MachinePrecision] * -0.25), $MachinePrecision]), $MachinePrecision] / g), $MachinePrecision]), $MachinePrecision] * 0.5), $MachinePrecision] * N[(0.5 / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], N[(t$95$0 * N[Power[(-N[(N[Sqrt[N[(h + g), $MachinePrecision]], $MachinePrecision] * N[Sqrt[N[(g - h), $MachinePrecision]], $MachinePrecision] + g), $MachinePrecision]), 1/3], $MachinePrecision] + N[Power[N[(0.0 / a), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt[3]{\frac{0.5}{a}}\\
\mathbf{if}\;g \leq 4 \cdot 10^{+139}:\\
\;\;\;\;\mathsf{fma}\left(t\_0, -\sqrt[3]{2 \cdot g}, \sqrt[3]{\left(\mathsf{fma}\left(0, h, \frac{\mathsf{fma}\left(-1, h \cdot h, {\left(0 \cdot h\right)}^{2} \cdot -0.25\right)}{g}\right) \cdot 0.5\right) \cdot \frac{0.5}{a}}\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(t\_0, \sqrt[3]{-\mathsf{fma}\left(\sqrt{h + g}, \sqrt{g - h}, g\right)}, \sqrt[3]{\frac{0}{a}}\right)\\
\end{array}
\end{array}
if g < 4.00000000000000013e139Initial program 56.9%
lift-cbrt.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-*l/N/A
cbrt-divN/A
*-lft-identityN/A
pow1/3N/A
lower-/.f64N/A
Applied rewrites60.6%
Applied rewrites31.0%
Taylor expanded in g around inf
distribute-lft-outN/A
lower-*.f64N/A
distribute-rgt1-inN/A
rem-square-sqrtN/A
unpow2N/A
+-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
unpow2N/A
rem-square-sqrtN/A
metadata-evalN/A
lower-/.f64N/A
Applied rewrites33.5%
Taylor expanded in g around -inf
mul-1-negN/A
lower-neg.f64N/A
lower-cbrt.f64N/A
unpow2N/A
rem-square-sqrtN/A
metadata-evalN/A
lower-*.f6495.2
Applied rewrites95.2%
if 4.00000000000000013e139 < g Initial program 5.8%
lift-cbrt.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-*l/N/A
cbrt-divN/A
*-lft-identityN/A
pow1/3N/A
lower-/.f64N/A
Applied rewrites5.8%
Applied rewrites6.1%
Taylor expanded in g around inf
distribute-lft-outN/A
lower-*.f64N/A
distribute-rgt1-inN/A
rem-square-sqrtN/A
unpow2N/A
+-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
unpow2N/A
rem-square-sqrtN/A
metadata-evalN/A
lower-/.f64N/A
Applied rewrites89.8%
Taylor expanded in g around inf
associate-*r/N/A
distribute-rgt1-inN/A
metadata-evalN/A
mul0-lftN/A
metadata-evalN/A
mul0-lftN/A
mul0-lftN/A
metadata-evalN/A
distribute-rgt1-inN/A
metadata-evalN/A
distribute-rgt1-inN/A
unpow2N/A
unpow2N/A
distribute-rgt1-inN/A
metadata-evalN/A
distribute-rgt1-inN/A
metadata-evalN/A
mul0-lftN/A
mul0-lftN/A
metadata-evalN/A
metadata-evalN/A
lower-/.f6498.8
Applied rewrites98.8%
Final simplification96.0%
(FPCore (g h a)
:precision binary64
(let* ((t_0 (cbrt (/ 0.5 a))))
(if (<= g -6.1e+137)
(+ (cbrt (* (* (/ h a) (/ h g)) -0.25)) (cbrt (/ -1.0 (/ a g))))
(if (<= g -2e-293)
(fma
t_0
(cbrt (- (sqrt (* (- g h) (+ h g))) g))
(cbrt (* (/ (* h h) g) (/ -0.25 a))))
(fma
t_0
(cbrt (- (fma (sqrt (+ h g)) (sqrt (- g h)) g)))
(cbrt (* (* (- 0.5) (* (/ h g) h)) (/ 0.5 a))))))))
double code(double g, double h, double a) {
double t_0 = cbrt((0.5 / a));
double tmp;
if (g <= -6.1e+137) {
tmp = cbrt((((h / a) * (h / g)) * -0.25)) + cbrt((-1.0 / (a / g)));
} else if (g <= -2e-293) {
tmp = fma(t_0, cbrt((sqrt(((g - h) * (h + g))) - g)), cbrt((((h * h) / g) * (-0.25 / a))));
} else {
tmp = fma(t_0, cbrt(-fma(sqrt((h + g)), sqrt((g - h)), g)), cbrt(((-0.5 * ((h / g) * h)) * (0.5 / a))));
}
return tmp;
}
function code(g, h, a) t_0 = cbrt(Float64(0.5 / a)) tmp = 0.0 if (g <= -6.1e+137) tmp = Float64(cbrt(Float64(Float64(Float64(h / a) * Float64(h / g)) * -0.25)) + cbrt(Float64(-1.0 / Float64(a / g)))); elseif (g <= -2e-293) tmp = fma(t_0, cbrt(Float64(sqrt(Float64(Float64(g - h) * Float64(h + g))) - g)), cbrt(Float64(Float64(Float64(h * h) / g) * Float64(-0.25 / a)))); else tmp = fma(t_0, cbrt(Float64(-fma(sqrt(Float64(h + g)), sqrt(Float64(g - h)), g))), cbrt(Float64(Float64(Float64(-0.5) * Float64(Float64(h / g) * h)) * Float64(0.5 / a)))); end return tmp end
code[g_, h_, a_] := Block[{t$95$0 = N[Power[N[(0.5 / a), $MachinePrecision], 1/3], $MachinePrecision]}, If[LessEqual[g, -6.1e+137], N[(N[Power[N[(N[(N[(h / a), $MachinePrecision] * N[(h / g), $MachinePrecision]), $MachinePrecision] * -0.25), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(-1.0 / N[(a / g), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], If[LessEqual[g, -2e-293], N[(t$95$0 * N[Power[N[(N[Sqrt[N[(N[(g - h), $MachinePrecision] * N[(h + g), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - g), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(N[(N[(h * h), $MachinePrecision] / g), $MachinePrecision] * N[(-0.25 / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], N[(t$95$0 * N[Power[(-N[(N[Sqrt[N[(h + g), $MachinePrecision]], $MachinePrecision] * N[Sqrt[N[(g - h), $MachinePrecision]], $MachinePrecision] + g), $MachinePrecision]), 1/3], $MachinePrecision] + N[Power[N[(N[((-0.5) * N[(N[(h / g), $MachinePrecision] * h), $MachinePrecision]), $MachinePrecision] * N[(0.5 / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt[3]{\frac{0.5}{a}}\\
\mathbf{if}\;g \leq -6.1 \cdot 10^{+137}:\\
\;\;\;\;\sqrt[3]{\left(\frac{h}{a} \cdot \frac{h}{g}\right) \cdot -0.25} + \sqrt[3]{\frac{-1}{\frac{a}{g}}}\\
\mathbf{elif}\;g \leq -2 \cdot 10^{-293}:\\
\;\;\;\;\mathsf{fma}\left(t\_0, \sqrt[3]{\sqrt{\left(g - h\right) \cdot \left(h + g\right)} - g}, \sqrt[3]{\frac{h \cdot h}{g} \cdot \frac{-0.25}{a}}\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(t\_0, \sqrt[3]{-\mathsf{fma}\left(\sqrt{h + g}, \sqrt{g - h}, g\right)}, \sqrt[3]{\left(\left(-0.5\right) \cdot \left(\frac{h}{g} \cdot h\right)\right) \cdot \frac{0.5}{a}}\right)\\
\end{array}
\end{array}
if g < -6.10000000000000004e137Initial program 7.9%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f644.8
Applied rewrites4.8%
Taylor expanded in g around inf
lower-*.f64N/A
lower-cbrt.f64N/A
unpow2N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-cbrt.f6461.9
Applied rewrites61.9%
lift-+.f64N/A
+-commutativeN/A
lower-+.f6461.9
Applied rewrites61.9%
Applied rewrites61.9%
if -6.10000000000000004e137 < g < -2.0000000000000001e-293Initial program 80.2%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f6416.8
Applied rewrites16.8%
Applied rewrites20.4%
lift-pow.f64N/A
lift-pow.f64N/A
pow-powN/A
metadata-evalN/A
pow1/3N/A
lower-cbrt.f6420.5
lift-*.f64N/A
*-commutativeN/A
lower-*.f6420.5
Applied rewrites20.5%
Taylor expanded in g around -inf
associate-*r/N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
unpow2N/A
lower-*.f6492.1
Applied rewrites92.1%
if -2.0000000000000001e-293 < g Initial program 45.4%
lift-cbrt.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-*l/N/A
cbrt-divN/A
*-lft-identityN/A
pow1/3N/A
lower-/.f64N/A
Applied rewrites45.6%
Applied rewrites54.0%
Taylor expanded in g around inf
distribute-lft-outN/A
lower-*.f64N/A
distribute-rgt1-inN/A
rem-square-sqrtN/A
unpow2N/A
+-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
unpow2N/A
rem-square-sqrtN/A
metadata-evalN/A
lower-/.f64N/A
Applied rewrites93.5%
Applied rewrites96.6%
Final simplification87.2%
(FPCore (g h a)
:precision binary64
(if (<= g 1.15e-181)
(+ (/ (cbrt (* (* (/ h g) h) -0.25)) (cbrt a)) (cbrt (/ (- g) a)))
(fma
(cbrt (/ 0.5 a))
(cbrt (- (fma (sqrt (+ h g)) (sqrt (- g h)) g)))
(cbrt (/ 0.0 a)))))
double code(double g, double h, double a) {
double tmp;
if (g <= 1.15e-181) {
tmp = (cbrt((((h / g) * h) * -0.25)) / cbrt(a)) + cbrt((-g / a));
} else {
tmp = fma(cbrt((0.5 / a)), cbrt(-fma(sqrt((h + g)), sqrt((g - h)), g)), cbrt((0.0 / a)));
}
return tmp;
}
function code(g, h, a) tmp = 0.0 if (g <= 1.15e-181) tmp = Float64(Float64(cbrt(Float64(Float64(Float64(h / g) * h) * -0.25)) / cbrt(a)) + cbrt(Float64(Float64(-g) / a))); else tmp = fma(cbrt(Float64(0.5 / a)), cbrt(Float64(-fma(sqrt(Float64(h + g)), sqrt(Float64(g - h)), g))), cbrt(Float64(0.0 / a))); end return tmp end
code[g_, h_, a_] := If[LessEqual[g, 1.15e-181], N[(N[(N[Power[N[(N[(N[(h / g), $MachinePrecision] * h), $MachinePrecision] * -0.25), $MachinePrecision], 1/3], $MachinePrecision] / N[Power[a, 1/3], $MachinePrecision]), $MachinePrecision] + N[Power[N[((-g) / a), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], N[(N[Power[N[(0.5 / a), $MachinePrecision], 1/3], $MachinePrecision] * N[Power[(-N[(N[Sqrt[N[(h + g), $MachinePrecision]], $MachinePrecision] * N[Sqrt[N[(g - h), $MachinePrecision]], $MachinePrecision] + g), $MachinePrecision]), 1/3], $MachinePrecision] + N[Power[N[(0.0 / a), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;g \leq 1.15 \cdot 10^{-181}:\\
\;\;\;\;\frac{\sqrt[3]{\left(\frac{h}{g} \cdot h\right) \cdot -0.25}}{\sqrt[3]{a}} + \sqrt[3]{\frac{-g}{a}}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\sqrt[3]{\frac{0.5}{a}}, \sqrt[3]{-\mathsf{fma}\left(\sqrt{h + g}, \sqrt{g - h}, g\right)}, \sqrt[3]{\frac{0}{a}}\right)\\
\end{array}
\end{array}
if g < 1.14999999999999995e-181Initial program 46.9%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f6411.5
Applied rewrites11.5%
Taylor expanded in g around inf
lower-*.f64N/A
lower-cbrt.f64N/A
unpow2N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-cbrt.f6475.7
Applied rewrites75.7%
lift-+.f64N/A
+-commutativeN/A
lower-+.f6475.7
Applied rewrites75.7%
Applied rewrites75.8%
if 1.14999999999999995e-181 < g Initial program 46.1%
lift-cbrt.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-*l/N/A
cbrt-divN/A
*-lft-identityN/A
pow1/3N/A
lower-/.f64N/A
Applied rewrites46.3%
Applied rewrites54.9%
Taylor expanded in g around inf
distribute-lft-outN/A
lower-*.f64N/A
distribute-rgt1-inN/A
rem-square-sqrtN/A
unpow2N/A
+-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
unpow2N/A
rem-square-sqrtN/A
metadata-evalN/A
lower-/.f64N/A
Applied rewrites94.2%
Taylor expanded in g around inf
associate-*r/N/A
distribute-rgt1-inN/A
metadata-evalN/A
mul0-lftN/A
metadata-evalN/A
mul0-lftN/A
mul0-lftN/A
metadata-evalN/A
distribute-rgt1-inN/A
metadata-evalN/A
distribute-rgt1-inN/A
unpow2N/A
unpow2N/A
distribute-rgt1-inN/A
metadata-evalN/A
distribute-rgt1-inN/A
metadata-evalN/A
mul0-lftN/A
mul0-lftN/A
metadata-evalN/A
metadata-evalN/A
lower-/.f6496.6
Applied rewrites96.6%
Final simplification85.5%
(FPCore (g h a) :precision binary64 (+ (/ (cbrt (* (* (/ h g) h) -0.25)) (cbrt a)) (cbrt (/ (- g) a))))
double code(double g, double h, double a) {
return (cbrt((((h / g) * h) * -0.25)) / cbrt(a)) + cbrt((-g / a));
}
public static double code(double g, double h, double a) {
return (Math.cbrt((((h / g) * h) * -0.25)) / Math.cbrt(a)) + Math.cbrt((-g / a));
}
function code(g, h, a) return Float64(Float64(cbrt(Float64(Float64(Float64(h / g) * h) * -0.25)) / cbrt(a)) + cbrt(Float64(Float64(-g) / a))) end
code[g_, h_, a_] := N[(N[(N[Power[N[(N[(N[(h / g), $MachinePrecision] * h), $MachinePrecision] * -0.25), $MachinePrecision], 1/3], $MachinePrecision] / N[Power[a, 1/3], $MachinePrecision]), $MachinePrecision] + N[Power[N[((-g) / a), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\sqrt[3]{\left(\frac{h}{g} \cdot h\right) \cdot -0.25}}{\sqrt[3]{a}} + \sqrt[3]{\frac{-g}{a}}
\end{array}
Initial program 46.5%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f6427.8
Applied rewrites27.8%
Taylor expanded in g around inf
lower-*.f64N/A
lower-cbrt.f64N/A
unpow2N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-cbrt.f6475.5
Applied rewrites75.5%
lift-+.f64N/A
+-commutativeN/A
lower-+.f6475.5
Applied rewrites75.5%
Applied rewrites75.6%
Final simplification75.6%
(FPCore (g h a) :precision binary64 (+ (cbrt (* (pow a -1.0) (- g))) (cbrt (* (* (/ h a) (/ h g)) -0.25))))
double code(double g, double h, double a) {
return cbrt((pow(a, -1.0) * -g)) + cbrt((((h / a) * (h / g)) * -0.25));
}
public static double code(double g, double h, double a) {
return Math.cbrt((Math.pow(a, -1.0) * -g)) + Math.cbrt((((h / a) * (h / g)) * -0.25));
}
function code(g, h, a) return Float64(cbrt(Float64((a ^ -1.0) * Float64(-g))) + cbrt(Float64(Float64(Float64(h / a) * Float64(h / g)) * -0.25))) end
code[g_, h_, a_] := N[(N[Power[N[(N[Power[a, -1.0], $MachinePrecision] * (-g)), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(N[(N[(h / a), $MachinePrecision] * N[(h / g), $MachinePrecision]), $MachinePrecision] * -0.25), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sqrt[3]{{a}^{-1} \cdot \left(-g\right)} + \sqrt[3]{\left(\frac{h}{a} \cdot \frac{h}{g}\right) \cdot -0.25}
\end{array}
Initial program 46.5%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f6427.8
Applied rewrites27.8%
Taylor expanded in g around inf
lower-*.f64N/A
lower-cbrt.f64N/A
unpow2N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-cbrt.f6475.5
Applied rewrites75.5%
lift-+.f64N/A
+-commutativeN/A
lower-+.f6475.5
Applied rewrites75.5%
Applied rewrites75.5%
Final simplification75.5%
(FPCore (g h a) :precision binary64 (+ (cbrt (* (* (/ h a) (/ h g)) -0.25)) (cbrt (/ -1.0 (/ a g)))))
double code(double g, double h, double a) {
return cbrt((((h / a) * (h / g)) * -0.25)) + cbrt((-1.0 / (a / g)));
}
public static double code(double g, double h, double a) {
return Math.cbrt((((h / a) * (h / g)) * -0.25)) + Math.cbrt((-1.0 / (a / g)));
}
function code(g, h, a) return Float64(cbrt(Float64(Float64(Float64(h / a) * Float64(h / g)) * -0.25)) + cbrt(Float64(-1.0 / Float64(a / g)))) end
code[g_, h_, a_] := N[(N[Power[N[(N[(N[(h / a), $MachinePrecision] * N[(h / g), $MachinePrecision]), $MachinePrecision] * -0.25), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(-1.0 / N[(a / g), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sqrt[3]{\left(\frac{h}{a} \cdot \frac{h}{g}\right) \cdot -0.25} + \sqrt[3]{\frac{-1}{\frac{a}{g}}}
\end{array}
Initial program 46.5%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f6427.8
Applied rewrites27.8%
Taylor expanded in g around inf
lower-*.f64N/A
lower-cbrt.f64N/A
unpow2N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-cbrt.f6475.5
Applied rewrites75.5%
lift-+.f64N/A
+-commutativeN/A
lower-+.f6475.5
Applied rewrites75.5%
Applied rewrites75.5%
Final simplification75.5%
(FPCore (g h a) :precision binary64 (+ (cbrt (/ (- g) a)) (cbrt (* (* (/ h a) (/ h g)) -0.25))))
double code(double g, double h, double a) {
return cbrt((-g / a)) + cbrt((((h / a) * (h / g)) * -0.25));
}
public static double code(double g, double h, double a) {
return Math.cbrt((-g / a)) + Math.cbrt((((h / a) * (h / g)) * -0.25));
}
function code(g, h, a) return Float64(cbrt(Float64(Float64(-g) / a)) + cbrt(Float64(Float64(Float64(h / a) * Float64(h / g)) * -0.25))) end
code[g_, h_, a_] := N[(N[Power[N[((-g) / a), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[(N[(N[(h / a), $MachinePrecision] * N[(h / g), $MachinePrecision]), $MachinePrecision] * -0.25), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sqrt[3]{\frac{-g}{a}} + \sqrt[3]{\left(\frac{h}{a} \cdot \frac{h}{g}\right) \cdot -0.25}
\end{array}
Initial program 46.5%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f6427.8
Applied rewrites27.8%
Taylor expanded in g around inf
lower-*.f64N/A
lower-cbrt.f64N/A
unpow2N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-cbrt.f6475.5
Applied rewrites75.5%
lift-+.f64N/A
+-commutativeN/A
lower-+.f6475.5
Applied rewrites75.5%
Final simplification75.5%
(FPCore (g h a) :precision binary64 (+ (cbrt (* (* (/ h (* a g)) h) -0.25)) (cbrt (/ (- g) a))))
double code(double g, double h, double a) {
return cbrt((((h / (a * g)) * h) * -0.25)) + cbrt((-g / a));
}
public static double code(double g, double h, double a) {
return Math.cbrt((((h / (a * g)) * h) * -0.25)) + Math.cbrt((-g / a));
}
function code(g, h, a) return Float64(cbrt(Float64(Float64(Float64(h / Float64(a * g)) * h) * -0.25)) + cbrt(Float64(Float64(-g) / a))) end
code[g_, h_, a_] := N[(N[Power[N[(N[(N[(h / N[(a * g), $MachinePrecision]), $MachinePrecision] * h), $MachinePrecision] * -0.25), $MachinePrecision], 1/3], $MachinePrecision] + N[Power[N[((-g) / a), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sqrt[3]{\left(\frac{h}{a \cdot g} \cdot h\right) \cdot -0.25} + \sqrt[3]{\frac{-g}{a}}
\end{array}
Initial program 46.5%
Taylor expanded in g around inf
associate-*r/N/A
mul-1-negN/A
lower-/.f64N/A
lower-neg.f6427.8
Applied rewrites27.8%
Taylor expanded in g around inf
lower-*.f64N/A
lower-cbrt.f64N/A
unpow2N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-cbrt.f6475.5
Applied rewrites75.5%
lift-+.f64N/A
+-commutativeN/A
lower-+.f6475.5
Applied rewrites75.5%
Applied rewrites72.4%
Final simplification72.4%
(FPCore (g h a) :precision binary64 0.0)
double code(double g, double h, double a) {
return 0.0;
}
real(8) function code(g, h, a)
real(8), intent (in) :: g
real(8), intent (in) :: h
real(8), intent (in) :: a
code = 0.0d0
end function
public static double code(double g, double h, double a) {
return 0.0;
}
def code(g, h, a): return 0.0
function code(g, h, a) return 0.0 end
function tmp = code(g, h, a) tmp = 0.0; end
code[g_, h_, a_] := 0.0
\begin{array}{l}
\\
0
\end{array}
Initial program 46.5%
lift-cbrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
cbrt-prodN/A
pow1/3N/A
lift-/.f64N/A
lift-*.f64N/A
associate-/r*N/A
metadata-evalN/A
cbrt-divN/A
pow1/3N/A
associate-*r/N/A
lower-/.f64N/A
Applied rewrites49.5%
Taylor expanded in g around -inf
mul-1-negN/A
lower-neg.f64N/A
lower-*.f64N/A
lower-cbrt.f64N/A
lower-/.f64N/A
+-commutativeN/A
unpow2N/A
rem-square-sqrtN/A
metadata-evalN/A
lower-*.f64N/A
lower-cbrt.f643.0
Applied rewrites3.0%
Applied rewrites3.0%
herbie shell --seed 2024331
(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))))))))