
(FPCore (x y z) :precision binary64 (/ (* x (- y z)) y))
double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * (y - z)) / y
end function
public static double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
def code(x, y, z): return (x * (y - z)) / y
function code(x, y, z) return Float64(Float64(x * Float64(y - z)) / y) end
function tmp = code(x, y, z) tmp = (x * (y - z)) / y; end
code[x_, y_, z_] := N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(y - z\right)}{y}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (/ (* x (- y z)) y))
double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * (y - z)) / y
end function
public static double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
def code(x, y, z): return (x * (y - z)) / y
function code(x, y, z) return Float64(Float64(x * Float64(y - z)) / y) end
function tmp = code(x, y, z) tmp = (x * (y - z)) / y; end
code[x_, y_, z_] := N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(y - z\right)}{y}
\end{array}
(FPCore (x y z) :precision binary64 (/ x (/ y (- y z))))
double code(double x, double y, double z) {
return x / (y / (y - z));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x / (y / (y - z))
end function
public static double code(double x, double y, double z) {
return x / (y / (y - z));
}
def code(x, y, z): return x / (y / (y - z))
function code(x, y, z) return Float64(x / Float64(y / Float64(y - z))) end
function tmp = code(x, y, z) tmp = x / (y / (y - z)); end
code[x_, y_, z_] := N[(x / N[(y / N[(y - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{\frac{y}{y - z}}
\end{array}
Initial program 85.1%
associate-/l*N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
--lowering--.f6496.9
Applied egg-rr96.9%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (/ (* x (- y z)) y)))
(if (<= t_0 -1e-262)
(/ (* x (- z)) y)
(if (<= t_0 1e+308) x (* y (/ x y))))))
double code(double x, double y, double z) {
double t_0 = (x * (y - z)) / y;
double tmp;
if (t_0 <= -1e-262) {
tmp = (x * -z) / y;
} else if (t_0 <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = (x * (y - z)) / y
if (t_0 <= (-1d-262)) then
tmp = (x * -z) / y
else if (t_0 <= 1d+308) then
tmp = x
else
tmp = y * (x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (x * (y - z)) / y;
double tmp;
if (t_0 <= -1e-262) {
tmp = (x * -z) / y;
} else if (t_0 <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
def code(x, y, z): t_0 = (x * (y - z)) / y tmp = 0 if t_0 <= -1e-262: tmp = (x * -z) / y elif t_0 <= 1e+308: tmp = x else: tmp = y * (x / y) return tmp
function code(x, y, z) t_0 = Float64(Float64(x * Float64(y - z)) / y) tmp = 0.0 if (t_0 <= -1e-262) tmp = Float64(Float64(x * Float64(-z)) / y); elseif (t_0 <= 1e+308) tmp = x; else tmp = Float64(y * Float64(x / y)); end return tmp end
function tmp_2 = code(x, y, z) t_0 = (x * (y - z)) / y; tmp = 0.0; if (t_0 <= -1e-262) tmp = (x * -z) / y; elseif (t_0 <= 1e+308) tmp = x; else tmp = y * (x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, If[LessEqual[t$95$0, -1e-262], N[(N[(x * (-z)), $MachinePrecision] / y), $MachinePrecision], If[LessEqual[t$95$0, 1e+308], x, N[(y * N[(x / y), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x \cdot \left(y - z\right)}{y}\\
\mathbf{if}\;t\_0 \leq -1 \cdot 10^{-262}:\\
\;\;\;\;\frac{x \cdot \left(-z\right)}{y}\\
\mathbf{elif}\;t\_0 \leq 10^{+308}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x}{y}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < -1.00000000000000001e-262Initial program 88.7%
Taylor expanded in y around 0
associate-*r/N/A
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6442.9
Simplified42.9%
if -1.00000000000000001e-262 < (/.f64 (*.f64 x (-.f64 y z)) y) < 1e308Initial program 91.6%
Taylor expanded in y around inf
Simplified59.0%
if 1e308 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 61.8%
*-commutativeN/A
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
--lowering--.f64100.0
Applied egg-rr100.0%
Taylor expanded in y around inf
Simplified53.1%
Final simplification50.4%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (/ (* x (- y z)) y)))
(if (<= t_0 -1e-262)
(* x (/ (- z) y))
(if (<= t_0 1e+308) x (* y (/ x y))))))
double code(double x, double y, double z) {
double t_0 = (x * (y - z)) / y;
double tmp;
if (t_0 <= -1e-262) {
tmp = x * (-z / y);
} else if (t_0 <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = (x * (y - z)) / y
if (t_0 <= (-1d-262)) then
tmp = x * (-z / y)
else if (t_0 <= 1d+308) then
tmp = x
else
tmp = y * (x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (x * (y - z)) / y;
double tmp;
if (t_0 <= -1e-262) {
tmp = x * (-z / y);
} else if (t_0 <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
def code(x, y, z): t_0 = (x * (y - z)) / y tmp = 0 if t_0 <= -1e-262: tmp = x * (-z / y) elif t_0 <= 1e+308: tmp = x else: tmp = y * (x / y) return tmp
function code(x, y, z) t_0 = Float64(Float64(x * Float64(y - z)) / y) tmp = 0.0 if (t_0 <= -1e-262) tmp = Float64(x * Float64(Float64(-z) / y)); elseif (t_0 <= 1e+308) tmp = x; else tmp = Float64(y * Float64(x / y)); end return tmp end
function tmp_2 = code(x, y, z) t_0 = (x * (y - z)) / y; tmp = 0.0; if (t_0 <= -1e-262) tmp = x * (-z / y); elseif (t_0 <= 1e+308) tmp = x; else tmp = y * (x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, If[LessEqual[t$95$0, -1e-262], N[(x * N[((-z) / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$0, 1e+308], x, N[(y * N[(x / y), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x \cdot \left(y - z\right)}{y}\\
\mathbf{if}\;t\_0 \leq -1 \cdot 10^{-262}:\\
\;\;\;\;x \cdot \frac{-z}{y}\\
\mathbf{elif}\;t\_0 \leq 10^{+308}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x}{y}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < -1.00000000000000001e-262Initial program 88.7%
Taylor expanded in y around 0
associate-*r/N/A
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6442.9
Simplified42.9%
*-commutativeN/A
associate-/l*N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
distribute-lft-neg-inN/A
distribute-frac-neg2N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
neg-lowering-neg.f6439.8
Applied egg-rr39.8%
if -1.00000000000000001e-262 < (/.f64 (*.f64 x (-.f64 y z)) y) < 1e308Initial program 91.6%
Taylor expanded in y around inf
Simplified59.0%
if 1e308 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 61.8%
*-commutativeN/A
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
--lowering--.f64100.0
Applied egg-rr100.0%
Taylor expanded in y around inf
Simplified53.1%
Final simplification48.9%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (/ (* x (- y z)) y)))
(if (<= t_0 -1e-262)
(* (/ x y) (- z))
(if (<= t_0 1e+308) x (* y (/ x y))))))
double code(double x, double y, double z) {
double t_0 = (x * (y - z)) / y;
double tmp;
if (t_0 <= -1e-262) {
tmp = (x / y) * -z;
} else if (t_0 <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = (x * (y - z)) / y
if (t_0 <= (-1d-262)) then
tmp = (x / y) * -z
else if (t_0 <= 1d+308) then
tmp = x
else
tmp = y * (x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (x * (y - z)) / y;
double tmp;
if (t_0 <= -1e-262) {
tmp = (x / y) * -z;
} else if (t_0 <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
def code(x, y, z): t_0 = (x * (y - z)) / y tmp = 0 if t_0 <= -1e-262: tmp = (x / y) * -z elif t_0 <= 1e+308: tmp = x else: tmp = y * (x / y) return tmp
function code(x, y, z) t_0 = Float64(Float64(x * Float64(y - z)) / y) tmp = 0.0 if (t_0 <= -1e-262) tmp = Float64(Float64(x / y) * Float64(-z)); elseif (t_0 <= 1e+308) tmp = x; else tmp = Float64(y * Float64(x / y)); end return tmp end
function tmp_2 = code(x, y, z) t_0 = (x * (y - z)) / y; tmp = 0.0; if (t_0 <= -1e-262) tmp = (x / y) * -z; elseif (t_0 <= 1e+308) tmp = x; else tmp = y * (x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, If[LessEqual[t$95$0, -1e-262], N[(N[(x / y), $MachinePrecision] * (-z)), $MachinePrecision], If[LessEqual[t$95$0, 1e+308], x, N[(y * N[(x / y), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x \cdot \left(y - z\right)}{y}\\
\mathbf{if}\;t\_0 \leq -1 \cdot 10^{-262}:\\
\;\;\;\;\frac{x}{y} \cdot \left(-z\right)\\
\mathbf{elif}\;t\_0 \leq 10^{+308}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x}{y}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < -1.00000000000000001e-262Initial program 88.7%
Taylor expanded in y around 0
associate-*r/N/A
/-lowering-/.f64N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6442.9
Simplified42.9%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
frac-2negN/A
remove-double-negN/A
/-lowering-/.f64N/A
neg-lowering-neg.f6441.8
Applied egg-rr41.8%
if -1.00000000000000001e-262 < (/.f64 (*.f64 x (-.f64 y z)) y) < 1e308Initial program 91.6%
Taylor expanded in y around inf
Simplified59.0%
if 1e308 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 61.8%
*-commutativeN/A
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
--lowering--.f64100.0
Applied egg-rr100.0%
Taylor expanded in y around inf
Simplified53.1%
Final simplification49.9%
(FPCore (x y z) :precision binary64 (if (<= (/ (* x (- y z)) y) 1e+308) x (* y (/ x y))))
double code(double x, double y, double z) {
double tmp;
if (((x * (y - z)) / y) <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (((x * (y - z)) / y) <= 1d+308) then
tmp = x
else
tmp = y * (x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (((x * (y - z)) / y) <= 1e+308) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if ((x * (y - z)) / y) <= 1e+308: tmp = x else: tmp = y * (x / y) return tmp
function code(x, y, z) tmp = 0.0 if (Float64(Float64(x * Float64(y - z)) / y) <= 1e+308) tmp = x; else tmp = Float64(y * Float64(x / y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (((x * (y - z)) / y) <= 1e+308) tmp = x; else tmp = y * (x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision], 1e+308], x, N[(y * N[(x / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{x \cdot \left(y - z\right)}{y} \leq 10^{+308}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x}{y}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < 1e308Initial program 90.0%
Taylor expanded in y around inf
Simplified57.9%
if 1e308 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 61.8%
*-commutativeN/A
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
--lowering--.f64100.0
Applied egg-rr100.0%
Taylor expanded in y around inf
Simplified53.1%
Final simplification57.1%
(FPCore (x y z) :precision binary64 (* x (- 1.0 (/ z y))))
double code(double x, double y, double z) {
return x * (1.0 - (z / y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x * (1.0d0 - (z / y))
end function
public static double code(double x, double y, double z) {
return x * (1.0 - (z / y));
}
def code(x, y, z): return x * (1.0 - (z / y))
function code(x, y, z) return Float64(x * Float64(1.0 - Float64(z / y))) end
function tmp = code(x, y, z) tmp = x * (1.0 - (z / y)); end
code[x_, y_, z_] := N[(x * N[(1.0 - N[(z / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(1 - \frac{z}{y}\right)
\end{array}
Initial program 85.1%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
div-subN/A
*-inversesN/A
--lowering--.f64N/A
/-lowering-/.f6496.9
Applied egg-rr96.9%
Final simplification96.9%
(FPCore (x y z) :precision binary64 x)
double code(double x, double y, double z) {
return x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x
end function
public static double code(double x, double y, double z) {
return x;
}
def code(x, y, z): return x
function code(x, y, z) return x end
function tmp = code(x, y, z) tmp = x; end
code[x_, y_, z_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 85.1%
Taylor expanded in y around inf
Simplified54.2%
(FPCore (x y z) :precision binary64 (if (< z -2.060202331921739e+104) (- x (/ (* z x) y)) (if (< z 1.6939766013828526e+213) (/ x (/ y (- y z))) (* (- y z) (/ x y)))))
double code(double x, double y, double z) {
double tmp;
if (z < -2.060202331921739e+104) {
tmp = x - ((z * x) / y);
} else if (z < 1.6939766013828526e+213) {
tmp = x / (y / (y - z));
} else {
tmp = (y - z) * (x / y);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (z < (-2.060202331921739d+104)) then
tmp = x - ((z * x) / y)
else if (z < 1.6939766013828526d+213) then
tmp = x / (y / (y - z))
else
tmp = (y - z) * (x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z < -2.060202331921739e+104) {
tmp = x - ((z * x) / y);
} else if (z < 1.6939766013828526e+213) {
tmp = x / (y / (y - z));
} else {
tmp = (y - z) * (x / y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if z < -2.060202331921739e+104: tmp = x - ((z * x) / y) elif z < 1.6939766013828526e+213: tmp = x / (y / (y - z)) else: tmp = (y - z) * (x / y) return tmp
function code(x, y, z) tmp = 0.0 if (z < -2.060202331921739e+104) tmp = Float64(x - Float64(Float64(z * x) / y)); elseif (z < 1.6939766013828526e+213) tmp = Float64(x / Float64(y / Float64(y - z))); else tmp = Float64(Float64(y - z) * Float64(x / y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z < -2.060202331921739e+104) tmp = x - ((z * x) / y); elseif (z < 1.6939766013828526e+213) tmp = x / (y / (y - z)); else tmp = (y - z) * (x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Less[z, -2.060202331921739e+104], N[(x - N[(N[(z * x), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], If[Less[z, 1.6939766013828526e+213], N[(x / N[(y / N[(y - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(y - z), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z < -2.060202331921739 \cdot 10^{+104}:\\
\;\;\;\;x - \frac{z \cdot x}{y}\\
\mathbf{elif}\;z < 1.6939766013828526 \cdot 10^{+213}:\\
\;\;\;\;\frac{x}{\frac{y}{y - z}}\\
\mathbf{else}:\\
\;\;\;\;\left(y - z\right) \cdot \frac{x}{y}\\
\end{array}
\end{array}
herbie shell --seed 2024198
(FPCore (x y z)
:name "Diagrams.Backend.Cairo.Internal:setTexture from diagrams-cairo-1.3.0.3"
:precision binary64
:alt
(! :herbie-platform default (if (< z -206020233192173900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- x (/ (* z x) y)) (if (< z 1693976601382852600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (/ x (/ y (- y z))) (* (- y z) (/ x y)))))
(/ (* x (- y z)) y))