
(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 6 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 (/ 1.0 t)) (* (/ x y) (/ x y))))
double code(double x, double y, double z, double t) {
return fma((z / t), (z * (1.0 / t)), ((x / y) * (x / y)));
}
function code(x, y, z, t) return fma(Float64(z / t), Float64(z * Float64(1.0 / t)), Float64(Float64(x / y) * Float64(x / y))) end
code[x_, y_, z_, t_] := N[(N[(z / t), $MachinePrecision] * N[(z * N[(1.0 / t), $MachinePrecision]), $MachinePrecision] + N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z}{t}, z \cdot \frac{1}{t}, \frac{x}{y} \cdot \frac{x}{y}\right)
\end{array}
Initial program 69.6%
+-commutative69.6%
times-frac83.7%
fma-define83.7%
times-frac99.7%
Simplified99.7%
clear-num99.7%
associate-/r/99.7%
Applied egg-rr99.7%
Final simplification99.7%
(FPCore (x y z t) :precision binary64 (+ (/ (/ x y) (/ y x)) (* (/ z t) (/ z t))))
double code(double x, double y, double z, double t) {
return ((x / y) / (y / x)) + ((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 = ((x / y) / (y / x)) + ((z / t) * (z / t))
end function
public static double code(double x, double y, double z, double t) {
return ((x / y) / (y / x)) + ((z / t) * (z / t));
}
def code(x, y, z, t): return ((x / y) / (y / x)) + ((z / t) * (z / t))
function code(x, y, z, t) return Float64(Float64(Float64(x / y) / Float64(y / x)) + Float64(Float64(z / t) * Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = ((x / y) / (y / x)) + ((z / t) * (z / t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x / y), $MachinePrecision] / N[(y / x), $MachinePrecision]), $MachinePrecision] + N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{x}{y}}{\frac{y}{x}} + \frac{z}{t} \cdot \frac{z}{t}
\end{array}
Initial program 69.6%
associate-/l*76.3%
Simplified76.3%
times-frac91.2%
Applied egg-rr91.2%
associate-*r/83.7%
frac-times99.7%
clear-num99.7%
un-div-inv99.7%
Applied egg-rr99.7%
(FPCore (x y z t) :precision binary64 (+ (/ (/ x y) (/ y x)) (* z (/ (/ z t) t))))
double code(double x, double y, double z, double t) {
return ((x / y) / (y / x)) + (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 / y) / (y / x)) + (z * ((z / t) / t))
end function
public static double code(double x, double y, double z, double t) {
return ((x / y) / (y / x)) + (z * ((z / t) / t));
}
def code(x, y, z, t): return ((x / y) / (y / x)) + (z * ((z / t) / t))
function code(x, y, z, t) return Float64(Float64(Float64(x / y) / Float64(y / x)) + Float64(z * Float64(Float64(z / t) / t))) end
function tmp = code(x, y, z, t) tmp = ((x / y) / (y / x)) + (z * ((z / t) / t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x / y), $MachinePrecision] / N[(y / x), $MachinePrecision]), $MachinePrecision] + N[(z * N[(N[(z / t), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{x}{y}}{\frac{y}{x}} + z \cdot \frac{\frac{z}{t}}{t}
\end{array}
Initial program 69.6%
associate-/l*76.3%
Simplified76.3%
add-cbrt-cube70.0%
pow370.0%
times-frac80.6%
pow280.6%
Applied egg-rr80.6%
pow280.6%
rem-cbrt-cube91.2%
associate-*l/88.6%
associate-/l*89.9%
Applied egg-rr89.9%
associate-*r/83.7%
frac-times99.7%
clear-num99.7%
un-div-inv99.7%
Applied egg-rr98.5%
(FPCore (x y z t) :precision binary64 (+ (* (/ z t) (/ z t)) (* x (/ (/ x y) y))))
double code(double x, double y, double z, double t) {
return ((z / t) * (z / t)) + (x * ((x / y) / y));
}
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)) + (x * ((x / y) / y))
end function
public static double code(double x, double y, double z, double t) {
return ((z / t) * (z / t)) + (x * ((x / y) / y));
}
def code(x, y, z, t): return ((z / t) * (z / t)) + (x * ((x / y) / y))
function code(x, y, z, t) return Float64(Float64(Float64(z / t) * Float64(z / t)) + Float64(x * Float64(Float64(x / y) / y))) end
function tmp = code(x, y, z, t) tmp = ((z / t) * (z / t)) + (x * ((x / y) / y)); end
code[x_, y_, z_, t_] := N[(N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision] + N[(x * N[(N[(x / y), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{z}{t} \cdot \frac{z}{t} + x \cdot \frac{\frac{x}{y}}{y}
\end{array}
Initial program 69.6%
associate-/l*76.3%
Simplified76.3%
times-frac91.2%
Applied egg-rr91.2%
associate-*r/83.7%
associate-/r*92.0%
pow292.0%
Applied egg-rr92.0%
associate-/l/83.7%
unpow283.7%
frac-times99.7%
clear-num99.7%
div-inv99.7%
associate-/r/98.4%
Applied egg-rr98.4%
Final simplification98.4%
(FPCore (x y z t) :precision binary64 (+ (* (/ z t) (/ z t)) (* x (/ x (* y y)))))
double code(double x, double y, double z, double t) {
return ((z / t) * (z / t)) + (x * (x / (y * y)));
}
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)) + (x * (x / (y * y)))
end function
public static double code(double x, double y, double z, double t) {
return ((z / t) * (z / t)) + (x * (x / (y * y)));
}
def code(x, y, z, t): return ((z / t) * (z / t)) + (x * (x / (y * y)))
function code(x, y, z, t) return Float64(Float64(Float64(z / t) * Float64(z / t)) + Float64(x * Float64(x / Float64(y * y)))) end
function tmp = code(x, y, z, t) tmp = ((z / t) * (z / t)) + (x * (x / (y * y))); end
code[x_, y_, z_, t_] := N[(N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision] + N[(x * N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{z}{t} \cdot \frac{z}{t} + x \cdot \frac{x}{y \cdot y}
\end{array}
Initial program 69.6%
associate-/l*76.3%
Simplified76.3%
times-frac91.2%
Applied egg-rr91.2%
Final simplification91.2%
(FPCore (x y z t) :precision binary64 (+ (* z (/ (/ z t) t)) (* x (/ x (* y y)))))
double code(double x, double y, double z, double t) {
return (z * ((z / t) / t)) + (x * (x / (y * y)));
}
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 * ((z / t) / t)) + (x * (x / (y * y)))
end function
public static double code(double x, double y, double z, double t) {
return (z * ((z / t) / t)) + (x * (x / (y * y)));
}
def code(x, y, z, t): return (z * ((z / t) / t)) + (x * (x / (y * y)))
function code(x, y, z, t) return Float64(Float64(z * Float64(Float64(z / t) / t)) + Float64(x * Float64(x / Float64(y * y)))) end
function tmp = code(x, y, z, t) tmp = (z * ((z / t) / t)) + (x * (x / (y * y))); end
code[x_, y_, z_, t_] := N[(N[(z * N[(N[(z / t), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision] + N[(x * N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z \cdot \frac{\frac{z}{t}}{t} + x \cdot \frac{x}{y \cdot y}
\end{array}
Initial program 69.6%
associate-/l*76.3%
Simplified76.3%
add-cbrt-cube70.0%
pow370.0%
times-frac80.6%
pow280.6%
Applied egg-rr80.6%
pow280.6%
rem-cbrt-cube91.2%
associate-*l/88.6%
associate-/l*89.9%
Applied egg-rr89.9%
Final simplification89.9%
(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 2024137
(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))))