
(FPCore (x y z t) :precision binary64 (+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))
double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = ((x * x) / (y * y)) + ((z * z) / (t * t))
end function
public static double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
def code(x, y, z, t): return ((x * x) / (y * y)) + ((z * z) / (t * t))
function code(x, y, z, t) return Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(z * z) / Float64(t * t))) end
function tmp = code(x, y, z, t) tmp = ((x * x) / (y * y)) + ((z * z) / (t * t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 12 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t) :precision binary64 (+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))
double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = ((x * x) / (y * y)) + ((z * z) / (t * t))
end function
public static double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
def code(x, y, z, t): return ((x * x) / (y * y)) + ((z * z) / (t * t))
function code(x, y, z, t) return Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(z * z) / Float64(t * t))) end
function tmp = code(x, y, z, t) tmp = ((x * x) / (y * y)) + ((z * z) / (t * t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}
\end{array}
(FPCore (x y z t) :precision binary64 (fma (/ z t) (/ z t) (pow (/ x y) 2.0)))
double code(double x, double y, double z, double t) {
return fma((z / t), (z / t), pow((x / y), 2.0));
}
function code(x, y, z, t) return fma(Float64(z / t), Float64(z / t), (Float64(x / y) ^ 2.0)) end
code[x_, y_, z_, t_] := N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[Power[N[(x / y), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, {\left(\frac{x}{y}\right)}^{2}\right)
\end{array}
Initial program 59.9%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6482.2
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.6
Applied rewrites99.6%
(FPCore (x y z t) :precision binary64 (if (<= (/ (* x x) (* y y)) 5e+301) (fma (/ z t) (/ z t) (* (/ x (* y y)) x)) (fma (/ (/ z t) t) z (* (/ (/ x y) y) x))))
double code(double x, double y, double z, double t) {
double tmp;
if (((x * x) / (y * y)) <= 5e+301) {
tmp = fma((z / t), (z / t), ((x / (y * y)) * x));
} else {
tmp = fma(((z / t) / t), z, (((x / y) / y) * x));
}
return tmp;
}
function code(x, y, z, t) tmp = 0.0 if (Float64(Float64(x * x) / Float64(y * y)) <= 5e+301) tmp = fma(Float64(z / t), Float64(z / t), Float64(Float64(x / Float64(y * y)) * x)); else tmp = fma(Float64(Float64(z / t) / t), z, Float64(Float64(Float64(x / y) / y) * x)); end return tmp end
code[x_, y_, z_, t_] := If[LessEqual[N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision], 5e+301], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[(N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision], N[(N[(N[(z / t), $MachinePrecision] / t), $MachinePrecision] * z + N[(N[(N[(x / y), $MachinePrecision] / y), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{x \cdot x}{y \cdot y} \leq 5 \cdot 10^{+301}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, \frac{x}{y \cdot y} \cdot x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{\frac{z}{t}}{t}, z, \frac{\frac{x}{y}}{y} \cdot x\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 x x) (*.f64 y y)) < 5.0000000000000004e301Initial program 63.5%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6495.0
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.5
Applied rewrites99.5%
lift-pow.f64N/A
unpow2N/A
lift-/.f64N/A
clear-numN/A
lift-/.f64N/A
div-invN/A
lift-/.f64N/A
associate-/l/N/A
lower-/.f64N/A
lower-*.f6498.6
Applied rewrites98.6%
lift-/.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-*l/N/A
lift-*.f64N/A
frac-2negN/A
lift-neg.f64N/A
associate-/r/N/A
lower-*.f64N/A
lower-/.f64N/A
lift-*.f64N/A
distribute-lft-neg-inN/A
lower-*.f64N/A
lower-neg.f6498.7
Applied rewrites98.7%
if 5.0000000000000004e301 < (/.f64 (*.f64 x x) (*.f64 y y)) Initial program 55.1%
Taylor expanded in x around 0
+-commutativeN/A
unpow2N/A
associate-*l/N/A
lower-fma.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6494.7
Applied rewrites94.7%
Final simplification97.0%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (/ (* z z) (* t t))))
(if (<= t_1 1e+251)
(+ (* (/ x y) (/ x y)) t_1)
(fma (/ z t) (/ z t) (* (/ x (* y y)) x)))))
double code(double x, double y, double z, double t) {
double t_1 = (z * z) / (t * t);
double tmp;
if (t_1 <= 1e+251) {
tmp = ((x / y) * (x / y)) + t_1;
} else {
tmp = fma((z / t), (z / t), ((x / (y * y)) * x));
}
return tmp;
}
function code(x, y, z, t) t_1 = Float64(Float64(z * z) / Float64(t * t)) tmp = 0.0 if (t_1 <= 1e+251) tmp = Float64(Float64(Float64(x / y) * Float64(x / y)) + t_1); else tmp = fma(Float64(z / t), Float64(z / t), Float64(Float64(x / Float64(y * y)) * x)); end return tmp end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 1e+251], N[(N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision] + t$95$1), $MachinePrecision], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[(N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{z \cdot z}{t \cdot t}\\
\mathbf{if}\;t\_1 \leq 10^{+251}:\\
\;\;\;\;\frac{x}{y} \cdot \frac{x}{y} + t\_1\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, \frac{x}{y \cdot y} \cdot x\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 1e251Initial program 69.9%
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f6495.1
Applied rewrites95.1%
if 1e251 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 51.0%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6489.6
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.7
Applied rewrites99.7%
lift-pow.f64N/A
unpow2N/A
lift-/.f64N/A
clear-numN/A
lift-/.f64N/A
div-invN/A
lift-/.f64N/A
associate-/l/N/A
lower-/.f64N/A
lower-*.f6499.7
Applied rewrites99.7%
lift-/.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-*l/N/A
lift-*.f64N/A
frac-2negN/A
lift-neg.f64N/A
associate-/r/N/A
lower-*.f64N/A
lower-/.f64N/A
lift-*.f64N/A
distribute-lft-neg-inN/A
lower-*.f64N/A
lower-neg.f6495.5
Applied rewrites95.5%
Final simplification95.3%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (/ (* z z) (* t t))))
(if (<= t_1 1e+251)
(+ (* (/ x y) (/ x y)) t_1)
(fma (/ z t) (/ z t) (/ (* x x) (* y y))))))
double code(double x, double y, double z, double t) {
double t_1 = (z * z) / (t * t);
double tmp;
if (t_1 <= 1e+251) {
tmp = ((x / y) * (x / y)) + t_1;
} else {
tmp = fma((z / t), (z / t), ((x * x) / (y * y)));
}
return tmp;
}
function code(x, y, z, t) t_1 = Float64(Float64(z * z) / Float64(t * t)) tmp = 0.0 if (t_1 <= 1e+251) tmp = Float64(Float64(Float64(x / y) * Float64(x / y)) + t_1); else tmp = fma(Float64(z / t), Float64(z / t), Float64(Float64(x * x) / Float64(y * y))); end return tmp end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 1e+251], N[(N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision] + t$95$1), $MachinePrecision], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{z \cdot z}{t \cdot t}\\
\mathbf{if}\;t\_1 \leq 10^{+251}:\\
\;\;\;\;\frac{x}{y} \cdot \frac{x}{y} + t\_1\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, \frac{x \cdot x}{y \cdot y}\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 1e251Initial program 69.9%
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-*.f64N/A
lower-/.f64N/A
lower-/.f6495.1
Applied rewrites95.1%
if 1e251 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 51.0%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6489.6
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.7
Applied rewrites99.7%
lift-pow.f64N/A
unpow2N/A
lift-/.f64N/A
lift-/.f64N/A
times-fracN/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f6489.6
Applied rewrites89.6%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (/ (* x x) (* y y)))) (if (<= t_1 INFINITY) (fma (/ z t) (/ z t) t_1) (/ (/ z t) (/ t z)))))
double code(double x, double y, double z, double t) {
double t_1 = (x * x) / (y * y);
double tmp;
if (t_1 <= ((double) INFINITY)) {
tmp = fma((z / t), (z / t), t_1);
} else {
tmp = (z / t) / (t / z);
}
return tmp;
}
function code(x, y, z, t) t_1 = Float64(Float64(x * x) / Float64(y * y)) tmp = 0.0 if (t_1 <= Inf) tmp = fma(Float64(z / t), Float64(z / t), t_1); else tmp = Float64(Float64(z / t) / Float64(t / z)); end return tmp end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, Infinity], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + t$95$1), $MachinePrecision], N[(N[(z / t), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{x \cdot x}{y \cdot y}\\
\mathbf{if}\;t\_1 \leq \infty:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, t\_1\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{z}{t}}{\frac{t}{z}}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x x) (*.f64 y y)) < +inf.0Initial program 67.3%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6492.3
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.7
Applied rewrites99.7%
lift-pow.f64N/A
unpow2N/A
lift-/.f64N/A
lift-/.f64N/A
times-fracN/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f6492.3
Applied rewrites92.3%
if +inf.0 < (/.f64 (*.f64 x x) (*.f64 y y)) Initial program 0.0%
Taylor expanded in x around 0
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6441.2
Applied rewrites41.2%
Applied rewrites44.5%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (/ (* z z) (* t t)))) (if (<= t_1 2e+283) (+ t_1 (/ (* x x) (* y y))) (* (/ z t) (/ z t)))))
double code(double x, double y, double z, double t) {
double t_1 = (z * z) / (t * t);
double tmp;
if (t_1 <= 2e+283) {
tmp = t_1 + ((x * x) / (y * y));
} else {
tmp = (z / t) * (z / t);
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: tmp
t_1 = (z * z) / (t * t)
if (t_1 <= 2d+283) then
tmp = t_1 + ((x * x) / (y * y))
else
tmp = (z / t) * (z / t)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = (z * z) / (t * t);
double tmp;
if (t_1 <= 2e+283) {
tmp = t_1 + ((x * x) / (y * y));
} else {
tmp = (z / t) * (z / t);
}
return tmp;
}
def code(x, y, z, t): t_1 = (z * z) / (t * t) tmp = 0 if t_1 <= 2e+283: tmp = t_1 + ((x * x) / (y * y)) else: tmp = (z / t) * (z / t) return tmp
function code(x, y, z, t) t_1 = Float64(Float64(z * z) / Float64(t * t)) tmp = 0.0 if (t_1 <= 2e+283) tmp = Float64(t_1 + Float64(Float64(x * x) / Float64(y * y))); else tmp = Float64(Float64(z / t) * Float64(z / t)); end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (z * z) / (t * t); tmp = 0.0; if (t_1 <= 2e+283) tmp = t_1 + ((x * x) / (y * y)); else tmp = (z / t) * (z / t); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e+283], N[(t$95$1 + N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{z \cdot z}{t \cdot t}\\
\mathbf{if}\;t\_1 \leq 2 \cdot 10^{+283}:\\
\;\;\;\;t\_1 + \frac{x \cdot x}{y \cdot y}\\
\mathbf{else}:\\
\;\;\;\;\frac{z}{t} \cdot \frac{z}{t}\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 1.99999999999999991e283Initial program 70.1%
if 1.99999999999999991e283 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 50.6%
Taylor expanded in x around 0
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6478.6
Applied rewrites78.6%
Applied rewrites85.5%
Final simplification78.2%
(FPCore (x y z t) :precision binary64 (if (<= y 1e-231) (fma (/ z t) (/ z t) (/ (* (/ x y) x) y)) (fma (/ z t) (/ z t) (/ x (* (/ y x) y)))))
double code(double x, double y, double z, double t) {
double tmp;
if (y <= 1e-231) {
tmp = fma((z / t), (z / t), (((x / y) * x) / y));
} else {
tmp = fma((z / t), (z / t), (x / ((y / x) * y)));
}
return tmp;
}
function code(x, y, z, t) tmp = 0.0 if (y <= 1e-231) tmp = fma(Float64(z / t), Float64(z / t), Float64(Float64(Float64(x / y) * x) / y)); else tmp = fma(Float64(z / t), Float64(z / t), Float64(x / Float64(Float64(y / x) * y))); end return tmp end
code[x_, y_, z_, t_] := If[LessEqual[y, 1e-231], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[(N[(N[(x / y), $MachinePrecision] * x), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[(x / N[(N[(y / x), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 10^{-231}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, \frac{\frac{x}{y} \cdot x}{y}\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, \frac{x}{\frac{y}{x} \cdot y}\right)\\
\end{array}
\end{array}
if y < 9.9999999999999999e-232Initial program 61.2%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6478.6
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.6
Applied rewrites99.6%
lift-pow.f64N/A
unpow2N/A
lift-/.f64N/A
associate-*r/N/A
lift-*.f64N/A
lower-/.f6497.3
Applied rewrites97.3%
if 9.9999999999999999e-232 < y Initial program 57.9%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6487.7
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.6
Applied rewrites99.6%
lift-pow.f64N/A
unpow2N/A
lift-/.f64N/A
clear-numN/A
lift-/.f64N/A
div-invN/A
lift-/.f64N/A
associate-/l/N/A
lower-/.f64N/A
lower-*.f6498.7
Applied rewrites98.7%
(FPCore (x y z t) :precision binary64 (fma (/ z t) (/ z t) (/ x (* (/ y x) y))))
double code(double x, double y, double z, double t) {
return fma((z / t), (z / t), (x / ((y / x) * y)));
}
function code(x, y, z, t) return fma(Float64(z / t), Float64(z / t), Float64(x / Float64(Float64(y / x) * y))) end
code[x_, y_, z_, t_] := N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[(x / N[(N[(y / x), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, \frac{x}{\frac{y}{x} \cdot y}\right)
\end{array}
Initial program 59.9%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f6482.2
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
times-fracN/A
pow2N/A
lower-pow.f64N/A
lower-/.f6499.6
Applied rewrites99.6%
lift-pow.f64N/A
unpow2N/A
lift-/.f64N/A
clear-numN/A
lift-/.f64N/A
div-invN/A
lift-/.f64N/A
associate-/l/N/A
lower-/.f64N/A
lower-*.f6497.3
Applied rewrites97.3%
(FPCore (x y z t) :precision binary64 (if (<= (* x x) 5.2e+295) (/ (/ z t) (/ t z)) (* (/ -1.0 (- t)) (/ (* z z) t))))
double code(double x, double y, double z, double t) {
double tmp;
if ((x * x) <= 5.2e+295) {
tmp = (z / t) / (t / z);
} else {
tmp = (-1.0 / -t) * ((z * z) / t);
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if ((x * x) <= 5.2d+295) then
tmp = (z / t) / (t / z)
else
tmp = ((-1.0d0) / -t) * ((z * z) / t)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((x * x) <= 5.2e+295) {
tmp = (z / t) / (t / z);
} else {
tmp = (-1.0 / -t) * ((z * z) / t);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (x * x) <= 5.2e+295: tmp = (z / t) / (t / z) else: tmp = (-1.0 / -t) * ((z * z) / t) return tmp
function code(x, y, z, t) tmp = 0.0 if (Float64(x * x) <= 5.2e+295) tmp = Float64(Float64(z / t) / Float64(t / z)); else tmp = Float64(Float64(-1.0 / Float64(-t)) * Float64(Float64(z * z) / t)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((x * x) <= 5.2e+295) tmp = (z / t) / (t / z); else tmp = (-1.0 / -t) * ((z * z) / t); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[N[(x * x), $MachinePrecision], 5.2e+295], N[(N[(z / t), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision], N[(N[(-1.0 / (-t)), $MachinePrecision] * N[(N[(z * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \cdot x \leq 5.2 \cdot 10^{+295}:\\
\;\;\;\;\frac{\frac{z}{t}}{\frac{t}{z}}\\
\mathbf{else}:\\
\;\;\;\;\frac{-1}{-t} \cdot \frac{z \cdot z}{t}\\
\end{array}
\end{array}
if (*.f64 x x) < 5.19999999999999972e295Initial program 62.1%
Taylor expanded in x around 0
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6466.0
Applied rewrites66.0%
Applied rewrites71.5%
if 5.19999999999999972e295 < (*.f64 x x) Initial program 52.9%
Taylor expanded in x around 0
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6426.7
Applied rewrites26.7%
Applied rewrites26.0%
Applied rewrites36.0%
Final simplification63.1%
(FPCore (x y z t) :precision binary64 (/ (/ z t) (/ t z)))
double code(double x, double y, double z, double t) {
return (z / t) / (t / z);
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = (z / t) / (t / z)
end function
public static double code(double x, double y, double z, double t) {
return (z / t) / (t / z);
}
def code(x, y, z, t): return (z / t) / (t / z)
function code(x, y, z, t) return Float64(Float64(z / t) / Float64(t / z)) end
function tmp = code(x, y, z, t) tmp = (z / t) / (t / z); end
code[x_, y_, z_, t_] := N[(N[(z / t), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{z}{t}}{\frac{t}{z}}
\end{array}
Initial program 59.9%
Taylor expanded in x around 0
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6456.6
Applied rewrites56.6%
Applied rewrites60.5%
(FPCore (x y z t) :precision binary64 (* (/ z t) (/ z t)))
double code(double x, double y, double z, double t) {
return (z / t) * (z / t);
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = (z / t) * (z / t)
end function
public static double code(double x, double y, double z, double t) {
return (z / t) * (z / t);
}
def code(x, y, z, t): return (z / t) * (z / t)
function code(x, y, z, t) return Float64(Float64(z / t) * Float64(z / t)) end
function tmp = code(x, y, z, t) tmp = (z / t) * (z / t); end
code[x_, y_, z_, t_] := N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{z}{t} \cdot \frac{z}{t}
\end{array}
Initial program 59.9%
Taylor expanded in x around 0
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6456.6
Applied rewrites56.6%
Applied rewrites60.5%
(FPCore (x y z t) :precision binary64 (* (/ z (* t t)) z))
double code(double x, double y, double z, double t) {
return (z / (t * t)) * z;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = (z / (t * t)) * z
end function
public static double code(double x, double y, double z, double t) {
return (z / (t * t)) * z;
}
def code(x, y, z, t): return (z / (t * t)) * z
function code(x, y, z, t) return Float64(Float64(z / Float64(t * t)) * z) end
function tmp = code(x, y, z, t) tmp = (z / (t * t)) * z; end
code[x_, y_, z_, t_] := N[(N[(z / N[(t * t), $MachinePrecision]), $MachinePrecision] * z), $MachinePrecision]
\begin{array}{l}
\\
\frac{z}{t \cdot t} \cdot z
\end{array}
Initial program 59.9%
Taylor expanded in x around 0
unpow2N/A
associate-*l/N/A
lower-*.f64N/A
unpow2N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6456.6
Applied rewrites56.6%
Applied rewrites45.5%
(FPCore (x y z t) :precision binary64 (+ (pow (/ x y) 2.0) (pow (/ z t) 2.0)))
double code(double x, double y, double z, double t) {
return pow((x / y), 2.0) + pow((z / t), 2.0);
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = ((x / y) ** 2.0d0) + ((z / t) ** 2.0d0)
end function
public static double code(double x, double y, double z, double t) {
return Math.pow((x / y), 2.0) + Math.pow((z / t), 2.0);
}
def code(x, y, z, t): return math.pow((x / y), 2.0) + math.pow((z / t), 2.0)
function code(x, y, z, t) return Float64((Float64(x / y) ^ 2.0) + (Float64(z / t) ^ 2.0)) end
function tmp = code(x, y, z, t) tmp = ((x / y) ^ 2.0) + ((z / t) ^ 2.0); end
code[x_, y_, z_, t_] := N[(N[Power[N[(x / y), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(z / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{\left(\frac{x}{y}\right)}^{2} + {\left(\frac{z}{t}\right)}^{2}
\end{array}
herbie shell --seed 2024332
(FPCore (x y z t)
:name "Graphics.Rasterific.Svg.PathConverter:arcToSegments from rasterific-svg-0.2.3.1"
:precision binary64
:alt
(! :herbie-platform default (+ (pow (/ x y) 2) (pow (/ z t) 2)))
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))