
(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}
x\_m = (fabs.f64 x) x\_s = (copysign.f64 #s(literal 1 binary64) x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= x_m 2.22e-184) (- x_m (/ (* x_m z) y)) (fma (/ z (- y)) x_m x_m))))
x\_m = fabs(x);
x\_s = copysign(1.0, x);
double code(double x_s, double x_m, double y, double z) {
double tmp;
if (x_m <= 2.22e-184) {
tmp = x_m - ((x_m * z) / y);
} else {
tmp = fma((z / -y), x_m, x_m);
}
return x_s * tmp;
}
x\_m = abs(x) x\_s = copysign(1.0, x) function code(x_s, x_m, y, z) tmp = 0.0 if (x_m <= 2.22e-184) tmp = Float64(x_m - Float64(Float64(x_m * z) / y)); else tmp = fma(Float64(z / Float64(-y)), x_m, x_m); end return Float64(x_s * tmp) end
x\_m = N[Abs[x], $MachinePrecision]
x\_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[x]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[x$95$s_, x$95$m_, y_, z_] := N[(x$95$s * If[LessEqual[x$95$m, 2.22e-184], N[(x$95$m - N[(N[(x$95$m * z), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], N[(N[(z / (-y)), $MachinePrecision] * x$95$m + x$95$m), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
x\_m = \left|x\right|
\\
x\_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;x\_m \leq 2.22 \cdot 10^{-184}:\\
\;\;\;\;x\_m - \frac{x\_m \cdot z}{y}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{-y}, x\_m, x\_m\right)\\
\end{array}
\end{array}
if x < 2.2199999999999999e-184Initial program 77.8%
Taylor expanded in x around 0
associate-/l*N/A
div-subN/A
*-inversesN/A
distribute-lft-out--N/A
*-rgt-identityN/A
associate-/l*N/A
--lowering--.f64N/A
/-lowering-/.f64N/A
*-lowering-*.f6491.9
Simplified91.9%
if 2.2199999999999999e-184 < x Initial program 87.0%
associate-/l*N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
--lowering--.f6499.9
Applied egg-rr99.9%
clear-numN/A
associate-/l/N/A
associate-/r/N/A
sub-negN/A
distribute-rgt-inN/A
distribute-lft-neg-inN/A
distribute-rgt-neg-outN/A
distribute-rgt-inN/A
div-invN/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
div-invN/A
*-inversesN/A
*-lft-identityN/A
+-commutativeN/A
distribute-rgt-neg-outN/A
distribute-lft-neg-inN/A
*-rgt-identityN/A
times-fracN/A
/-rgt-identityN/A
accelerator-lowering-fma.f64N/A
Applied egg-rr99.9%
Final simplification95.1%
x\_m = (fabs.f64 x)
x\_s = (copysign.f64 #s(literal 1 binary64) x)
(FPCore (x_s x_m y z)
:precision binary64
(let* ((t_0 (/ (* x_m (- y z)) y)) (t_1 (- (/ (* x_m z) y))))
(*
x_s
(if (<= t_0 -2e-174)
t_1
(if (<= t_0 2e+185) x_m (if (<= t_0 4e+304) t_1 (* y (/ x_m y))))))))x\_m = fabs(x);
x\_s = copysign(1.0, x);
double code(double x_s, double x_m, double y, double z) {
double t_0 = (x_m * (y - z)) / y;
double t_1 = -((x_m * z) / y);
double tmp;
if (t_0 <= -2e-174) {
tmp = t_1;
} else if (t_0 <= 2e+185) {
tmp = x_m;
} else if (t_0 <= 4e+304) {
tmp = t_1;
} else {
tmp = y * (x_m / y);
}
return x_s * tmp;
}
x\_m = abs(x)
x\_s = copysign(1.0d0, x)
real(8) function code(x_s, x_m, y, z)
real(8), intent (in) :: x_s
real(8), intent (in) :: x_m
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: t_1
real(8) :: tmp
t_0 = (x_m * (y - z)) / y
t_1 = -((x_m * z) / y)
if (t_0 <= (-2d-174)) then
tmp = t_1
else if (t_0 <= 2d+185) then
tmp = x_m
else if (t_0 <= 4d+304) then
tmp = t_1
else
tmp = y * (x_m / y)
end if
code = x_s * tmp
end function
x\_m = Math.abs(x);
x\_s = Math.copySign(1.0, x);
public static double code(double x_s, double x_m, double y, double z) {
double t_0 = (x_m * (y - z)) / y;
double t_1 = -((x_m * z) / y);
double tmp;
if (t_0 <= -2e-174) {
tmp = t_1;
} else if (t_0 <= 2e+185) {
tmp = x_m;
} else if (t_0 <= 4e+304) {
tmp = t_1;
} else {
tmp = y * (x_m / y);
}
return x_s * tmp;
}
x\_m = math.fabs(x) x\_s = math.copysign(1.0, x) def code(x_s, x_m, y, z): t_0 = (x_m * (y - z)) / y t_1 = -((x_m * z) / y) tmp = 0 if t_0 <= -2e-174: tmp = t_1 elif t_0 <= 2e+185: tmp = x_m elif t_0 <= 4e+304: tmp = t_1 else: tmp = y * (x_m / y) return x_s * tmp
x\_m = abs(x) x\_s = copysign(1.0, x) function code(x_s, x_m, y, z) t_0 = Float64(Float64(x_m * Float64(y - z)) / y) t_1 = Float64(-Float64(Float64(x_m * z) / y)) tmp = 0.0 if (t_0 <= -2e-174) tmp = t_1; elseif (t_0 <= 2e+185) tmp = x_m; elseif (t_0 <= 4e+304) tmp = t_1; else tmp = Float64(y * Float64(x_m / y)); end return Float64(x_s * tmp) end
x\_m = abs(x); x\_s = sign(x) * abs(1.0); function tmp_2 = code(x_s, x_m, y, z) t_0 = (x_m * (y - z)) / y; t_1 = -((x_m * z) / y); tmp = 0.0; if (t_0 <= -2e-174) tmp = t_1; elseif (t_0 <= 2e+185) tmp = x_m; elseif (t_0 <= 4e+304) tmp = t_1; else tmp = y * (x_m / y); end tmp_2 = x_s * tmp; end
x\_m = N[Abs[x], $MachinePrecision]
x\_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[x]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[x$95$s_, x$95$m_, y_, z_] := Block[{t$95$0 = N[(N[(x$95$m * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, Block[{t$95$1 = (-N[(N[(x$95$m * z), $MachinePrecision] / y), $MachinePrecision])}, N[(x$95$s * If[LessEqual[t$95$0, -2e-174], t$95$1, If[LessEqual[t$95$0, 2e+185], x$95$m, If[LessEqual[t$95$0, 4e+304], t$95$1, N[(y * N[(x$95$m / y), $MachinePrecision]), $MachinePrecision]]]]), $MachinePrecision]]]
\begin{array}{l}
x\_m = \left|x\right|
\\
x\_s = \mathsf{copysign}\left(1, x\right)
\\
\begin{array}{l}
t_0 := \frac{x\_m \cdot \left(y - z\right)}{y}\\
t_1 := -\frac{x\_m \cdot z}{y}\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;t\_0 \leq -2 \cdot 10^{-174}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t\_0 \leq 2 \cdot 10^{+185}:\\
\;\;\;\;x\_m\\
\mathbf{elif}\;t\_0 \leq 4 \cdot 10^{+304}:\\
\;\;\;\;t\_1\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x\_m}{y}\\
\end{array}
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < -2e-174 or 2e185 < (/.f64 (*.f64 x (-.f64 y z)) y) < 3.9999999999999998e304Initial program 80.2%
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.f6459.2
Simplified59.2%
if -2e-174 < (/.f64 (*.f64 x (-.f64 y z)) y) < 2e185Initial program 86.7%
Taylor expanded in y around inf
Simplified70.4%
if 3.9999999999999998e304 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 75.8%
*-commutativeN/A
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
--lowering--.f6499.9
Applied egg-rr99.9%
Taylor expanded in y around inf
Simplified39.6%
Final simplification59.6%
x\_m = (fabs.f64 x) x\_s = (copysign.f64 #s(literal 1 binary64) x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= (/ (* x_m (- y z)) y) 5e+146) x_m (* y (/ x_m y)))))
x\_m = fabs(x);
x\_s = copysign(1.0, x);
double code(double x_s, double x_m, double y, double z) {
double tmp;
if (((x_m * (y - z)) / y) <= 5e+146) {
tmp = x_m;
} else {
tmp = y * (x_m / y);
}
return x_s * tmp;
}
x\_m = abs(x)
x\_s = copysign(1.0d0, x)
real(8) function code(x_s, x_m, y, z)
real(8), intent (in) :: x_s
real(8), intent (in) :: x_m
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (((x_m * (y - z)) / y) <= 5d+146) then
tmp = x_m
else
tmp = y * (x_m / y)
end if
code = x_s * tmp
end function
x\_m = Math.abs(x);
x\_s = Math.copySign(1.0, x);
public static double code(double x_s, double x_m, double y, double z) {
double tmp;
if (((x_m * (y - z)) / y) <= 5e+146) {
tmp = x_m;
} else {
tmp = y * (x_m / y);
}
return x_s * tmp;
}
x\_m = math.fabs(x) x\_s = math.copysign(1.0, x) def code(x_s, x_m, y, z): tmp = 0 if ((x_m * (y - z)) / y) <= 5e+146: tmp = x_m else: tmp = y * (x_m / y) return x_s * tmp
x\_m = abs(x) x\_s = copysign(1.0, x) function code(x_s, x_m, y, z) tmp = 0.0 if (Float64(Float64(x_m * Float64(y - z)) / y) <= 5e+146) tmp = x_m; else tmp = Float64(y * Float64(x_m / y)); end return Float64(x_s * tmp) end
x\_m = abs(x); x\_s = sign(x) * abs(1.0); function tmp_2 = code(x_s, x_m, y, z) tmp = 0.0; if (((x_m * (y - z)) / y) <= 5e+146) tmp = x_m; else tmp = y * (x_m / y); end tmp_2 = x_s * tmp; end
x\_m = N[Abs[x], $MachinePrecision]
x\_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[x]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[x$95$s_, x$95$m_, y_, z_] := N[(x$95$s * If[LessEqual[N[(N[(x$95$m * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision], 5e+146], x$95$m, N[(y * N[(x$95$m / y), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
x\_m = \left|x\right|
\\
x\_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;\frac{x\_m \cdot \left(y - z\right)}{y} \leq 5 \cdot 10^{+146}:\\
\;\;\;\;x\_m\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x\_m}{y}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < 4.9999999999999999e146Initial program 81.6%
Taylor expanded in y around inf
Simplified50.8%
if 4.9999999999999999e146 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 81.0%
*-commutativeN/A
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
--lowering--.f6496.3
Applied egg-rr96.3%
Taylor expanded in y around inf
Simplified37.5%
Final simplification48.2%
x\_m = (fabs.f64 x) x\_s = (copysign.f64 #s(literal 1 binary64) x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= y -6.5e-114) x_m (if (<= y 1.3e+19) (- (* z (/ x_m y))) x_m))))
x\_m = fabs(x);
x\_s = copysign(1.0, x);
double code(double x_s, double x_m, double y, double z) {
double tmp;
if (y <= -6.5e-114) {
tmp = x_m;
} else if (y <= 1.3e+19) {
tmp = -(z * (x_m / y));
} else {
tmp = x_m;
}
return x_s * tmp;
}
x\_m = abs(x)
x\_s = copysign(1.0d0, x)
real(8) function code(x_s, x_m, y, z)
real(8), intent (in) :: x_s
real(8), intent (in) :: x_m
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (y <= (-6.5d-114)) then
tmp = x_m
else if (y <= 1.3d+19) then
tmp = -(z * (x_m / y))
else
tmp = x_m
end if
code = x_s * tmp
end function
x\_m = Math.abs(x);
x\_s = Math.copySign(1.0, x);
public static double code(double x_s, double x_m, double y, double z) {
double tmp;
if (y <= -6.5e-114) {
tmp = x_m;
} else if (y <= 1.3e+19) {
tmp = -(z * (x_m / y));
} else {
tmp = x_m;
}
return x_s * tmp;
}
x\_m = math.fabs(x) x\_s = math.copysign(1.0, x) def code(x_s, x_m, y, z): tmp = 0 if y <= -6.5e-114: tmp = x_m elif y <= 1.3e+19: tmp = -(z * (x_m / y)) else: tmp = x_m return x_s * tmp
x\_m = abs(x) x\_s = copysign(1.0, x) function code(x_s, x_m, y, z) tmp = 0.0 if (y <= -6.5e-114) tmp = x_m; elseif (y <= 1.3e+19) tmp = Float64(-Float64(z * Float64(x_m / y))); else tmp = x_m; end return Float64(x_s * tmp) end
x\_m = abs(x); x\_s = sign(x) * abs(1.0); function tmp_2 = code(x_s, x_m, y, z) tmp = 0.0; if (y <= -6.5e-114) tmp = x_m; elseif (y <= 1.3e+19) tmp = -(z * (x_m / y)); else tmp = x_m; end tmp_2 = x_s * tmp; end
x\_m = N[Abs[x], $MachinePrecision]
x\_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[x]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[x$95$s_, x$95$m_, y_, z_] := N[(x$95$s * If[LessEqual[y, -6.5e-114], x$95$m, If[LessEqual[y, 1.3e+19], (-N[(z * N[(x$95$m / y), $MachinePrecision]), $MachinePrecision]), x$95$m]]), $MachinePrecision]
\begin{array}{l}
x\_m = \left|x\right|
\\
x\_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;y \leq -6.5 \cdot 10^{-114}:\\
\;\;\;\;x\_m\\
\mathbf{elif}\;y \leq 1.3 \cdot 10^{+19}:\\
\;\;\;\;-z \cdot \frac{x\_m}{y}\\
\mathbf{else}:\\
\;\;\;\;x\_m\\
\end{array}
\end{array}
if y < -6.4999999999999998e-114 or 1.3e19 < y Initial program 72.9%
Taylor expanded in y around inf
Simplified73.8%
if -6.4999999999999998e-114 < y < 1.3e19Initial program 91.8%
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.f6484.3
Simplified84.3%
frac-2negN/A
distribute-rgt-neg-outN/A
remove-double-negN/A
associate-*r/N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
neg-lowering-neg.f6483.8
Applied egg-rr83.8%
Final simplification78.4%
x\_m = (fabs.f64 x) x\_s = (copysign.f64 #s(literal 1 binary64) x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= x_m 2.25e-182) (- x_m (/ (* x_m z) y)) (* x_m (- 1.0 (/ z y))))))
x\_m = fabs(x);
x\_s = copysign(1.0, x);
double code(double x_s, double x_m, double y, double z) {
double tmp;
if (x_m <= 2.25e-182) {
tmp = x_m - ((x_m * z) / y);
} else {
tmp = x_m * (1.0 - (z / y));
}
return x_s * tmp;
}
x\_m = abs(x)
x\_s = copysign(1.0d0, x)
real(8) function code(x_s, x_m, y, z)
real(8), intent (in) :: x_s
real(8), intent (in) :: x_m
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (x_m <= 2.25d-182) then
tmp = x_m - ((x_m * z) / y)
else
tmp = x_m * (1.0d0 - (z / y))
end if
code = x_s * tmp
end function
x\_m = Math.abs(x);
x\_s = Math.copySign(1.0, x);
public static double code(double x_s, double x_m, double y, double z) {
double tmp;
if (x_m <= 2.25e-182) {
tmp = x_m - ((x_m * z) / y);
} else {
tmp = x_m * (1.0 - (z / y));
}
return x_s * tmp;
}
x\_m = math.fabs(x) x\_s = math.copysign(1.0, x) def code(x_s, x_m, y, z): tmp = 0 if x_m <= 2.25e-182: tmp = x_m - ((x_m * z) / y) else: tmp = x_m * (1.0 - (z / y)) return x_s * tmp
x\_m = abs(x) x\_s = copysign(1.0, x) function code(x_s, x_m, y, z) tmp = 0.0 if (x_m <= 2.25e-182) tmp = Float64(x_m - Float64(Float64(x_m * z) / y)); else tmp = Float64(x_m * Float64(1.0 - Float64(z / y))); end return Float64(x_s * tmp) end
x\_m = abs(x); x\_s = sign(x) * abs(1.0); function tmp_2 = code(x_s, x_m, y, z) tmp = 0.0; if (x_m <= 2.25e-182) tmp = x_m - ((x_m * z) / y); else tmp = x_m * (1.0 - (z / y)); end tmp_2 = x_s * tmp; end
x\_m = N[Abs[x], $MachinePrecision]
x\_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[x]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[x$95$s_, x$95$m_, y_, z_] := N[(x$95$s * If[LessEqual[x$95$m, 2.25e-182], N[(x$95$m - N[(N[(x$95$m * z), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], N[(x$95$m * N[(1.0 - N[(z / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
x\_m = \left|x\right|
\\
x\_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;x\_m \leq 2.25 \cdot 10^{-182}:\\
\;\;\;\;x\_m - \frac{x\_m \cdot z}{y}\\
\mathbf{else}:\\
\;\;\;\;x\_m \cdot \left(1 - \frac{z}{y}\right)\\
\end{array}
\end{array}
if x < 2.2499999999999999e-182Initial program 77.8%
Taylor expanded in x around 0
associate-/l*N/A
div-subN/A
*-inversesN/A
distribute-lft-out--N/A
*-rgt-identityN/A
associate-/l*N/A
--lowering--.f64N/A
/-lowering-/.f64N/A
*-lowering-*.f6491.9
Simplified91.9%
if 2.2499999999999999e-182 < x Initial program 87.0%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
div-subN/A
*-inversesN/A
--lowering--.f64N/A
/-lowering-/.f6499.9
Applied egg-rr99.9%
Final simplification95.1%
x\_m = (fabs.f64 x) x\_s = (copysign.f64 #s(literal 1 binary64) x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (* x_m (- 1.0 (/ z y)))))
x\_m = fabs(x);
x\_s = copysign(1.0, x);
double code(double x_s, double x_m, double y, double z) {
return x_s * (x_m * (1.0 - (z / y)));
}
x\_m = abs(x)
x\_s = copysign(1.0d0, x)
real(8) function code(x_s, x_m, y, z)
real(8), intent (in) :: x_s
real(8), intent (in) :: x_m
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x_s * (x_m * (1.0d0 - (z / y)))
end function
x\_m = Math.abs(x);
x\_s = Math.copySign(1.0, x);
public static double code(double x_s, double x_m, double y, double z) {
return x_s * (x_m * (1.0 - (z / y)));
}
x\_m = math.fabs(x) x\_s = math.copysign(1.0, x) def code(x_s, x_m, y, z): return x_s * (x_m * (1.0 - (z / y)))
x\_m = abs(x) x\_s = copysign(1.0, x) function code(x_s, x_m, y, z) return Float64(x_s * Float64(x_m * Float64(1.0 - Float64(z / y)))) end
x\_m = abs(x); x\_s = sign(x) * abs(1.0); function tmp = code(x_s, x_m, y, z) tmp = x_s * (x_m * (1.0 - (z / y))); end
x\_m = N[Abs[x], $MachinePrecision]
x\_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[x]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[x$95$s_, x$95$m_, y_, z_] := N[(x$95$s * N[(x$95$m * N[(1.0 - N[(z / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
x\_m = \left|x\right|
\\
x\_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \left(x\_m \cdot \left(1 - \frac{z}{y}\right)\right)
\end{array}
Initial program 81.5%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
div-subN/A
*-inversesN/A
--lowering--.f64N/A
/-lowering-/.f6495.5
Applied egg-rr95.5%
Final simplification95.5%
x\_m = (fabs.f64 x) x\_s = (copysign.f64 #s(literal 1 binary64) x) (FPCore (x_s x_m y z) :precision binary64 (* x_s x_m))
x\_m = fabs(x);
x\_s = copysign(1.0, x);
double code(double x_s, double x_m, double y, double z) {
return x_s * x_m;
}
x\_m = abs(x)
x\_s = copysign(1.0d0, x)
real(8) function code(x_s, x_m, y, z)
real(8), intent (in) :: x_s
real(8), intent (in) :: x_m
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x_s * x_m
end function
x\_m = Math.abs(x);
x\_s = Math.copySign(1.0, x);
public static double code(double x_s, double x_m, double y, double z) {
return x_s * x_m;
}
x\_m = math.fabs(x) x\_s = math.copysign(1.0, x) def code(x_s, x_m, y, z): return x_s * x_m
x\_m = abs(x) x\_s = copysign(1.0, x) function code(x_s, x_m, y, z) return Float64(x_s * x_m) end
x\_m = abs(x); x\_s = sign(x) * abs(1.0); function tmp = code(x_s, x_m, y, z) tmp = x_s * x_m; end
x\_m = N[Abs[x], $MachinePrecision]
x\_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[x]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[x$95$s_, x$95$m_, y_, z_] := N[(x$95$s * x$95$m), $MachinePrecision]
\begin{array}{l}
x\_m = \left|x\right|
\\
x\_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot x\_m
\end{array}
Initial program 81.5%
Taylor expanded in y around inf
Simplified45.6%
(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 2024205
(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))