
(FPCore (v t) :precision binary64 (/ (- 1.0 (* 5.0 (* v v))) (* (* (* PI t) (sqrt (* 2.0 (- 1.0 (* 3.0 (* v v)))))) (- 1.0 (* v v)))))
double code(double v, double t) {
return (1.0 - (5.0 * (v * v))) / (((((double) M_PI) * t) * sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v)));
}
public static double code(double v, double t) {
return (1.0 - (5.0 * (v * v))) / (((Math.PI * t) * Math.sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v)));
}
def code(v, t): return (1.0 - (5.0 * (v * v))) / (((math.pi * t) * math.sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v)))
function code(v, t) return Float64(Float64(1.0 - Float64(5.0 * Float64(v * v))) / Float64(Float64(Float64(pi * t) * sqrt(Float64(2.0 * Float64(1.0 - Float64(3.0 * Float64(v * v)))))) * Float64(1.0 - Float64(v * v)))) end
function tmp = code(v, t) tmp = (1.0 - (5.0 * (v * v))) / (((pi * t) * sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v))); end
code[v_, t_] := N[(N[(1.0 - N[(5.0 * N[(v * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(Pi * t), $MachinePrecision] * N[Sqrt[N[(2.0 * N[(1.0 - N[(3.0 * N[(v * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[(1.0 - N[(v * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1 - 5 \cdot \left(v \cdot v\right)}{\left(\left(\pi \cdot t\right) \cdot \sqrt{2 \cdot \left(1 - 3 \cdot \left(v \cdot v\right)\right)}\right) \cdot \left(1 - v \cdot v\right)}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 15 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (v t) :precision binary64 (/ (- 1.0 (* 5.0 (* v v))) (* (* (* PI t) (sqrt (* 2.0 (- 1.0 (* 3.0 (* v v)))))) (- 1.0 (* v v)))))
double code(double v, double t) {
return (1.0 - (5.0 * (v * v))) / (((((double) M_PI) * t) * sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v)));
}
public static double code(double v, double t) {
return (1.0 - (5.0 * (v * v))) / (((Math.PI * t) * Math.sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v)));
}
def code(v, t): return (1.0 - (5.0 * (v * v))) / (((math.pi * t) * math.sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v)))
function code(v, t) return Float64(Float64(1.0 - Float64(5.0 * Float64(v * v))) / Float64(Float64(Float64(pi * t) * sqrt(Float64(2.0 * Float64(1.0 - Float64(3.0 * Float64(v * v)))))) * Float64(1.0 - Float64(v * v)))) end
function tmp = code(v, t) tmp = (1.0 - (5.0 * (v * v))) / (((pi * t) * sqrt((2.0 * (1.0 - (3.0 * (v * v)))))) * (1.0 - (v * v))); end
code[v_, t_] := N[(N[(1.0 - N[(5.0 * N[(v * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(Pi * t), $MachinePrecision] * N[Sqrt[N[(2.0 * N[(1.0 - N[(3.0 * N[(v * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[(1.0 - N[(v * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1 - 5 \cdot \left(v \cdot v\right)}{\left(\left(\pi \cdot t\right) \cdot \sqrt{2 \cdot \left(1 - 3 \cdot \left(v \cdot v\right)\right)}\right) \cdot \left(1 - v \cdot v\right)}
\end{array}
(FPCore (v t) :precision binary64 (/ (/ (fma v (* v -5.0) 1.0) PI) (* (- 1.0 (* v v)) (* t (sqrt (fma v (* v -6.0) 2.0))))))
double code(double v, double t) {
return (fma(v, (v * -5.0), 1.0) / ((double) M_PI)) / ((1.0 - (v * v)) * (t * sqrt(fma(v, (v * -6.0), 2.0))));
}
function code(v, t) return Float64(Float64(fma(v, Float64(v * -5.0), 1.0) / pi) / Float64(Float64(1.0 - Float64(v * v)) * Float64(t * sqrt(fma(v, Float64(v * -6.0), 2.0))))) end
code[v_, t_] := N[(N[(N[(v * N[(v * -5.0), $MachinePrecision] + 1.0), $MachinePrecision] / Pi), $MachinePrecision] / N[(N[(1.0 - N[(v * v), $MachinePrecision]), $MachinePrecision] * N[(t * N[Sqrt[N[(v * N[(v * -6.0), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{\mathsf{fma}\left(v, v \cdot -5, 1\right)}{\pi}}{\left(1 - v \cdot v\right) \cdot \left(t \cdot \sqrt{\mathsf{fma}\left(v, v \cdot -6, 2\right)}\right)}
\end{array}
Initial program 99.4%
associate-/r*N/A
div-invN/A
associate-*l*N/A
associate-/r*N/A
frac-timesN/A
/-lowering-/.f64N/A
Applied egg-rr99.6%
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
--lowering--.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
associate-*r*N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
*-lowering-*.f6499.6
Applied egg-rr99.6%
*-rgt-identityN/A
/-lowering-/.f64N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f6499.6
Applied egg-rr99.6%
(FPCore (v t) :precision binary64 (/ (fma (* v v) -5.0 1.0) (* (- 1.0 (* v v)) (* t (* PI (sqrt (fma -6.0 (* v v) 2.0)))))))
double code(double v, double t) {
return fma((v * v), -5.0, 1.0) / ((1.0 - (v * v)) * (t * (((double) M_PI) * sqrt(fma(-6.0, (v * v), 2.0)))));
}
function code(v, t) return Float64(fma(Float64(v * v), -5.0, 1.0) / Float64(Float64(1.0 - Float64(v * v)) * Float64(t * Float64(pi * sqrt(fma(-6.0, Float64(v * v), 2.0)))))) end
code[v_, t_] := N[(N[(N[(v * v), $MachinePrecision] * -5.0 + 1.0), $MachinePrecision] / N[(N[(1.0 - N[(v * v), $MachinePrecision]), $MachinePrecision] * N[(t * N[(Pi * N[Sqrt[N[(-6.0 * N[(v * v), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\mathsf{fma}\left(v \cdot v, -5, 1\right)}{\left(1 - v \cdot v\right) \cdot \left(t \cdot \left(\pi \cdot \sqrt{\mathsf{fma}\left(-6, v \cdot v, 2\right)}\right)\right)}
\end{array}
Initial program 99.4%
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-commutativeN/A
distribute-lft-inN/A
distribute-lft-neg-inN/A
associate-*r*N/A
metadata-evalN/A
accelerator-lowering-fma.f64N/A
metadata-evalN/A
metadata-evalN/A
*-lowering-*.f64N/A
PI-lowering-PI.f6499.5
Applied egg-rr99.5%
sub-negN/A
*-commutativeN/A
distribute-rgt-neg-inN/A
metadata-evalN/A
associate-*r*N/A
+-commutativeN/A
associate-*r*N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f6499.5
Applied egg-rr99.5%
Final simplification99.5%
(FPCore (v t) :precision binary64 (/ (fma v (* v -5.0) 1.0) (* PI (* (- 1.0 (* v v)) (* t (sqrt (fma v (* v -6.0) 2.0)))))))
double code(double v, double t) {
return fma(v, (v * -5.0), 1.0) / (((double) M_PI) * ((1.0 - (v * v)) * (t * sqrt(fma(v, (v * -6.0), 2.0)))));
}
function code(v, t) return Float64(fma(v, Float64(v * -5.0), 1.0) / Float64(pi * Float64(Float64(1.0 - Float64(v * v)) * Float64(t * sqrt(fma(v, Float64(v * -6.0), 2.0)))))) end
code[v_, t_] := N[(N[(v * N[(v * -5.0), $MachinePrecision] + 1.0), $MachinePrecision] / N[(Pi * N[(N[(1.0 - N[(v * v), $MachinePrecision]), $MachinePrecision] * N[(t * N[Sqrt[N[(v * N[(v * -6.0), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\mathsf{fma}\left(v, v \cdot -5, 1\right)}{\pi \cdot \left(\left(1 - v \cdot v\right) \cdot \left(t \cdot \sqrt{\mathsf{fma}\left(v, v \cdot -6, 2\right)}\right)\right)}
\end{array}
Initial program 99.4%
/-lowering-/.f64N/A
sub-negN/A
+-commutativeN/A
associate-*r*N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
metadata-evalN/A
associate-*l*N/A
associate-*l*N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
associate-*r*N/A
Applied egg-rr99.4%
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
--lowering--.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
associate-*r*N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
*-lowering-*.f6499.4
Applied egg-rr99.4%
(FPCore (v t) :precision binary64 (/ (fma v (* v -5.0) 1.0) (* PI (* (sqrt (fma -6.0 (* v v) 2.0)) (* (- 1.0 (* v v)) t)))))
double code(double v, double t) {
return fma(v, (v * -5.0), 1.0) / (((double) M_PI) * (sqrt(fma(-6.0, (v * v), 2.0)) * ((1.0 - (v * v)) * t)));
}
function code(v, t) return Float64(fma(v, Float64(v * -5.0), 1.0) / Float64(pi * Float64(sqrt(fma(-6.0, Float64(v * v), 2.0)) * Float64(Float64(1.0 - Float64(v * v)) * t)))) end
code[v_, t_] := N[(N[(v * N[(v * -5.0), $MachinePrecision] + 1.0), $MachinePrecision] / N[(Pi * N[(N[Sqrt[N[(-6.0 * N[(v * v), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision] * N[(N[(1.0 - N[(v * v), $MachinePrecision]), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\mathsf{fma}\left(v, v \cdot -5, 1\right)}{\pi \cdot \left(\sqrt{\mathsf{fma}\left(-6, v \cdot v, 2\right)} \cdot \left(\left(1 - v \cdot v\right) \cdot t\right)\right)}
\end{array}
Initial program 99.4%
/-lowering-/.f64N/A
sub-negN/A
+-commutativeN/A
associate-*r*N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
metadata-evalN/A
associate-*l*N/A
associate-*l*N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
associate-*r*N/A
Applied egg-rr99.4%
Final simplification99.4%
(FPCore (v t) :precision binary64 (/ (fma (* v v) (fma (* v v) -4.0 -4.0) 1.0) (* (sqrt (fma -6.0 (* v v) 2.0)) (* PI t))))
double code(double v, double t) {
return fma((v * v), fma((v * v), -4.0, -4.0), 1.0) / (sqrt(fma(-6.0, (v * v), 2.0)) * (((double) M_PI) * t));
}
function code(v, t) return Float64(fma(Float64(v * v), fma(Float64(v * v), -4.0, -4.0), 1.0) / Float64(sqrt(fma(-6.0, Float64(v * v), 2.0)) * Float64(pi * t))) end
code[v_, t_] := N[(N[(N[(v * v), $MachinePrecision] * N[(N[(v * v), $MachinePrecision] * -4.0 + -4.0), $MachinePrecision] + 1.0), $MachinePrecision] / N[(N[Sqrt[N[(-6.0 * N[(v * v), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision] * N[(Pi * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\mathsf{fma}\left(v \cdot v, \mathsf{fma}\left(v \cdot v, -4, -4\right), 1\right)}{\sqrt{\mathsf{fma}\left(-6, v \cdot v, 2\right)} \cdot \left(\pi \cdot t\right)}
\end{array}
Initial program 99.4%
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
Applied egg-rr99.4%
Taylor expanded in v around 0
+-commutativeN/A
accelerator-lowering-fma.f64N/A
unpow2N/A
*-lowering-*.f64N/A
sub-negN/A
*-commutativeN/A
metadata-evalN/A
accelerator-lowering-fma.f64N/A
unpow2N/A
*-lowering-*.f6499.3
Simplified99.3%
Final simplification99.3%
(FPCore (v t) :precision binary64 (/ (/ (fma v (* v -4.0) 1.0) PI) (* t (sqrt (fma v (* v -6.0) 2.0)))))
double code(double v, double t) {
return (fma(v, (v * -4.0), 1.0) / ((double) M_PI)) / (t * sqrt(fma(v, (v * -6.0), 2.0)));
}
function code(v, t) return Float64(Float64(fma(v, Float64(v * -4.0), 1.0) / pi) / Float64(t * sqrt(fma(v, Float64(v * -6.0), 2.0)))) end
code[v_, t_] := N[(N[(N[(v * N[(v * -4.0), $MachinePrecision] + 1.0), $MachinePrecision] / Pi), $MachinePrecision] / N[(t * N[Sqrt[N[(v * N[(v * -6.0), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{\mathsf{fma}\left(v, v \cdot -4, 1\right)}{\pi}}{t \cdot \sqrt{\mathsf{fma}\left(v, v \cdot -6, 2\right)}}
\end{array}
Initial program 99.4%
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
Applied egg-rr99.4%
Taylor expanded in v around 0
+-commutativeN/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f6499.1
Simplified99.1%
associate-*l*N/A
*-commutativeN/A
associate-*r*N/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
Applied egg-rr99.3%
(FPCore (v t) :precision binary64 (/ (fma v (* v -4.0) 1.0) (* t (* PI (sqrt (fma v (* v -6.0) 2.0))))))
double code(double v, double t) {
return fma(v, (v * -4.0), 1.0) / (t * (((double) M_PI) * sqrt(fma(v, (v * -6.0), 2.0))));
}
function code(v, t) return Float64(fma(v, Float64(v * -4.0), 1.0) / Float64(t * Float64(pi * sqrt(fma(v, Float64(v * -6.0), 2.0))))) end
code[v_, t_] := N[(N[(v * N[(v * -4.0), $MachinePrecision] + 1.0), $MachinePrecision] / N[(t * N[(Pi * N[Sqrt[N[(v * N[(v * -6.0), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\mathsf{fma}\left(v, v \cdot -4, 1\right)}{t \cdot \left(\pi \cdot \sqrt{\mathsf{fma}\left(v, v \cdot -6, 2\right)}\right)}
\end{array}
Initial program 99.4%
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
Applied egg-rr99.4%
Taylor expanded in v around 0
+-commutativeN/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f6499.1
Simplified99.1%
*-commutativeN/A
associate-*r*N/A
remove-double-divN/A
div-invN/A
*-lowering-*.f64N/A
div-invN/A
remove-double-divN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
*-commutativeN/A
associate-*r*N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f6499.2
Applied egg-rr99.2%
Final simplification99.2%
(FPCore (v t) :precision binary64 (/ (fma v (* v -4.0) 1.0) (* (sqrt (fma -6.0 (* v v) 2.0)) (* PI t))))
double code(double v, double t) {
return fma(v, (v * -4.0), 1.0) / (sqrt(fma(-6.0, (v * v), 2.0)) * (((double) M_PI) * t));
}
function code(v, t) return Float64(fma(v, Float64(v * -4.0), 1.0) / Float64(sqrt(fma(-6.0, Float64(v * v), 2.0)) * Float64(pi * t))) end
code[v_, t_] := N[(N[(v * N[(v * -4.0), $MachinePrecision] + 1.0), $MachinePrecision] / N[(N[Sqrt[N[(-6.0 * N[(v * v), $MachinePrecision] + 2.0), $MachinePrecision]], $MachinePrecision] * N[(Pi * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\mathsf{fma}\left(v, v \cdot -4, 1\right)}{\sqrt{\mathsf{fma}\left(-6, v \cdot v, 2\right)} \cdot \left(\pi \cdot t\right)}
\end{array}
Initial program 99.4%
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
Applied egg-rr99.4%
Taylor expanded in v around 0
+-commutativeN/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f6499.1
Simplified99.1%
Final simplification99.1%
(FPCore (v t) :precision binary64 (/ (/ (fma (* v v) -4.0 1.0) (* PI (sqrt 2.0))) t))
double code(double v, double t) {
return (fma((v * v), -4.0, 1.0) / (((double) M_PI) * sqrt(2.0))) / t;
}
function code(v, t) return Float64(Float64(fma(Float64(v * v), -4.0, 1.0) / Float64(pi * sqrt(2.0))) / t) end
code[v_, t_] := N[(N[(N[(N[(v * v), $MachinePrecision] * -4.0 + 1.0), $MachinePrecision] / N[(Pi * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{\mathsf{fma}\left(v \cdot v, -4, 1\right)}{\pi \cdot \sqrt{2}}}{t}
\end{array}
Initial program 99.4%
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
Applied egg-rr99.4%
Taylor expanded in v around 0
+-commutativeN/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f6499.1
Simplified99.1%
Taylor expanded in v around 0
*-lowering-*.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
sqrt-lowering-sqrt.f6498.8
Simplified98.8%
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
associate-*r*N/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
sqrt-lowering-sqrt.f6499.1
Applied egg-rr99.1%
(FPCore (v t) :precision binary64 (/ (/ (/ 1.0 PI) (sqrt 2.0)) t))
double code(double v, double t) {
return ((1.0 / ((double) M_PI)) / sqrt(2.0)) / t;
}
public static double code(double v, double t) {
return ((1.0 / Math.PI) / Math.sqrt(2.0)) / t;
}
def code(v, t): return ((1.0 / math.pi) / math.sqrt(2.0)) / t
function code(v, t) return Float64(Float64(Float64(1.0 / pi) / sqrt(2.0)) / t) end
function tmp = code(v, t) tmp = ((1.0 / pi) / sqrt(2.0)) / t; end
code[v_, t_] := N[(N[(N[(1.0 / Pi), $MachinePrecision] / N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{\frac{1}{\pi}}{\sqrt{2}}}{t}
\end{array}
Initial program 99.4%
Taylor expanded in v around 0
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6498.6
Simplified98.6%
associate-/r*N/A
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
sqrt-lowering-sqrt.f6499.0
Applied egg-rr99.0%
(FPCore (v t) :precision binary64 (/ (/ 1.0 PI) (* t (sqrt 2.0))))
double code(double v, double t) {
return (1.0 / ((double) M_PI)) / (t * sqrt(2.0));
}
public static double code(double v, double t) {
return (1.0 / Math.PI) / (t * Math.sqrt(2.0));
}
def code(v, t): return (1.0 / math.pi) / (t * math.sqrt(2.0))
function code(v, t) return Float64(Float64(1.0 / pi) / Float64(t * sqrt(2.0))) end
function tmp = code(v, t) tmp = (1.0 / pi) / (t * sqrt(2.0)); end
code[v_, t_] := N[(N[(1.0 / Pi), $MachinePrecision] / N[(t * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{1}{\pi}}{t \cdot \sqrt{2}}
\end{array}
Initial program 99.4%
Taylor expanded in v around 0
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6498.6
Simplified98.6%
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6498.8
Applied egg-rr98.8%
(FPCore (v t) :precision binary64 (/ 1.0 (* t (* PI (sqrt 2.0)))))
double code(double v, double t) {
return 1.0 / (t * (((double) M_PI) * sqrt(2.0)));
}
public static double code(double v, double t) {
return 1.0 / (t * (Math.PI * Math.sqrt(2.0)));
}
def code(v, t): return 1.0 / (t * (math.pi * math.sqrt(2.0)))
function code(v, t) return Float64(1.0 / Float64(t * Float64(pi * sqrt(2.0)))) end
function tmp = code(v, t) tmp = 1.0 / (t * (pi * sqrt(2.0))); end
code[v_, t_] := N[(1.0 / N[(t * N[(Pi * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{t \cdot \left(\pi \cdot \sqrt{2}\right)}
\end{array}
Initial program 99.4%
Taylor expanded in v around 0
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6498.6
Simplified98.6%
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
sqrt-lowering-sqrt.f6498.7
Applied egg-rr98.7%
Final simplification98.7%
(FPCore (v t) :precision binary64 (/ 1.0 (* (* PI t) (sqrt 2.0))))
double code(double v, double t) {
return 1.0 / ((((double) M_PI) * t) * sqrt(2.0));
}
public static double code(double v, double t) {
return 1.0 / ((Math.PI * t) * Math.sqrt(2.0));
}
def code(v, t): return 1.0 / ((math.pi * t) * math.sqrt(2.0))
function code(v, t) return Float64(1.0 / Float64(Float64(pi * t) * sqrt(2.0))) end
function tmp = code(v, t) tmp = 1.0 / ((pi * t) * sqrt(2.0)); end
code[v_, t_] := N[(1.0 / N[(N[(Pi * t), $MachinePrecision] * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\left(\pi \cdot t\right) \cdot \sqrt{2}}
\end{array}
Initial program 99.4%
Taylor expanded in v around 0
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6498.6
Simplified98.6%
associate-*r*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
sqrt-lowering-sqrt.f6498.7
Applied egg-rr98.7%
(FPCore (v t) :precision binary64 (/ 1.0 (* PI (* t (sqrt 2.0)))))
double code(double v, double t) {
return 1.0 / (((double) M_PI) * (t * sqrt(2.0)));
}
public static double code(double v, double t) {
return 1.0 / (Math.PI * (t * Math.sqrt(2.0)));
}
def code(v, t): return 1.0 / (math.pi * (t * math.sqrt(2.0)))
function code(v, t) return Float64(1.0 / Float64(pi * Float64(t * sqrt(2.0)))) end
function tmp = code(v, t) tmp = 1.0 / (pi * (t * sqrt(2.0))); end
code[v_, t_] := N[(1.0 / N[(Pi * N[(t * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\pi \cdot \left(t \cdot \sqrt{2}\right)}
\end{array}
Initial program 99.4%
Taylor expanded in v around 0
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
PI-lowering-PI.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6498.6
Simplified98.6%
(FPCore (v t) :precision binary64 (/ (sqrt 0.5) (* PI t)))
double code(double v, double t) {
return sqrt(0.5) / (((double) M_PI) * t);
}
public static double code(double v, double t) {
return Math.sqrt(0.5) / (Math.PI * t);
}
def code(v, t): return math.sqrt(0.5) / (math.pi * t)
function code(v, t) return Float64(sqrt(0.5) / Float64(pi * t)) end
function tmp = code(v, t) tmp = sqrt(0.5) / (pi * t); end
code[v_, t_] := N[(N[Sqrt[0.5], $MachinePrecision] / N[(Pi * t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\sqrt{0.5}}{\pi \cdot t}
\end{array}
Initial program 99.4%
associate-/r*N/A
div-invN/A
associate-*l*N/A
associate-/r*N/A
frac-timesN/A
/-lowering-/.f64N/A
Applied egg-rr99.6%
Taylor expanded in v around 0
/-lowering-/.f64N/A
sqrt-lowering-sqrt.f64N/A
*-lowering-*.f64N/A
PI-lowering-PI.f6498.2
Simplified98.2%
Final simplification98.2%
herbie shell --seed 2024204
(FPCore (v t)
:name "Falkner and Boettcher, Equation (20:1,3)"
:precision binary64
(/ (- 1.0 (* 5.0 (* v v))) (* (* (* PI t) (sqrt (* 2.0 (- 1.0 (* 3.0 (* v v)))))) (- 1.0 (* v v)))))