
(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 6e-120) (- 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 <= 6e-120) {
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 <= 6d-120) 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 <= 6e-120) {
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 <= 6e-120: 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 <= 6e-120) 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 <= 6e-120) 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, 6e-120], 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 6 \cdot 10^{-120}:\\
\;\;\;\;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 < 6.00000000000000022e-120Initial program 87.6%
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-*.f6497.0
Simplified97.0%
if 6.00000000000000022e-120 < x Initial program 76.0%
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 simplification97.9%
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)))
(*
x_s
(if (<= t_0 -5e-120)
(* x_m (/ z (- y)))
(if (<= t_0 2e+211) 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 t_0 = (x_m * (y - z)) / y;
double tmp;
if (t_0 <= -5e-120) {
tmp = x_m * (z / -y);
} else if (t_0 <= 2e+211) {
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) :: t_0
real(8) :: tmp
t_0 = (x_m * (y - z)) / y
if (t_0 <= (-5d-120)) then
tmp = x_m * (z / -y)
else if (t_0 <= 2d+211) 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 t_0 = (x_m * (y - z)) / y;
double tmp;
if (t_0 <= -5e-120) {
tmp = x_m * (z / -y);
} else if (t_0 <= 2e+211) {
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): t_0 = (x_m * (y - z)) / y tmp = 0 if t_0 <= -5e-120: tmp = x_m * (z / -y) elif t_0 <= 2e+211: 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) t_0 = Float64(Float64(x_m * Float64(y - z)) / y) tmp = 0.0 if (t_0 <= -5e-120) tmp = Float64(x_m * Float64(z / Float64(-y))); elseif (t_0 <= 2e+211) 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) t_0 = (x_m * (y - z)) / y; tmp = 0.0; if (t_0 <= -5e-120) tmp = x_m * (z / -y); elseif (t_0 <= 2e+211) 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_] := Block[{t$95$0 = N[(N[(x$95$m * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, N[(x$95$s * If[LessEqual[t$95$0, -5e-120], N[(x$95$m * N[(z / (-y)), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$0, 2e+211], 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)
\\
\begin{array}{l}
t_0 := \frac{x\_m \cdot \left(y - z\right)}{y}\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;t\_0 \leq -5 \cdot 10^{-120}:\\
\;\;\;\;x\_m \cdot \frac{z}{-y}\\
\mathbf{elif}\;t\_0 \leq 2 \cdot 10^{+211}:\\
\;\;\;\;x\_m\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x\_m}{y}\\
\end{array}
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < -5.00000000000000007e-120Initial program 84.0%
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.f6450.8
Simplified50.8%
distribute-rgt-neg-outN/A
distribute-lft-neg-inN/A
associate-*l/N/A
distribute-neg-fracN/A
*-lowering-*.f64N/A
distribute-neg-frac2N/A
/-lowering-/.f64N/A
neg-lowering-neg.f6448.8
Applied egg-rr48.8%
if -5.00000000000000007e-120 < (/.f64 (*.f64 x (-.f64 y z)) y) < 1.9999999999999999e211Initial program 95.7%
Taylor expanded in y around inf
Simplified70.2%
if 1.9999999999999999e211 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 54.5%
Taylor expanded in y around inf
*-lowering-*.f646.3
Simplified6.3%
associate-*l/N/A
*-lowering-*.f64N/A
/-lowering-/.f6449.4
Applied egg-rr49.4%
Final simplification58.1%
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)))
(*
x_s
(if (<= t_0 -5e-120)
(* (/ x_m y) (- z))
(if (<= t_0 2e+211) 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 t_0 = (x_m * (y - z)) / y;
double tmp;
if (t_0 <= -5e-120) {
tmp = (x_m / y) * -z;
} else if (t_0 <= 2e+211) {
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) :: t_0
real(8) :: tmp
t_0 = (x_m * (y - z)) / y
if (t_0 <= (-5d-120)) then
tmp = (x_m / y) * -z
else if (t_0 <= 2d+211) 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 t_0 = (x_m * (y - z)) / y;
double tmp;
if (t_0 <= -5e-120) {
tmp = (x_m / y) * -z;
} else if (t_0 <= 2e+211) {
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): t_0 = (x_m * (y - z)) / y tmp = 0 if t_0 <= -5e-120: tmp = (x_m / y) * -z elif t_0 <= 2e+211: 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) t_0 = Float64(Float64(x_m * Float64(y - z)) / y) tmp = 0.0 if (t_0 <= -5e-120) tmp = Float64(Float64(x_m / y) * Float64(-z)); elseif (t_0 <= 2e+211) 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) t_0 = (x_m * (y - z)) / y; tmp = 0.0; if (t_0 <= -5e-120) tmp = (x_m / y) * -z; elseif (t_0 <= 2e+211) 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_] := Block[{t$95$0 = N[(N[(x$95$m * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, N[(x$95$s * If[LessEqual[t$95$0, -5e-120], N[(N[(x$95$m / y), $MachinePrecision] * (-z)), $MachinePrecision], If[LessEqual[t$95$0, 2e+211], 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)
\\
\begin{array}{l}
t_0 := \frac{x\_m \cdot \left(y - z\right)}{y}\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;t\_0 \leq -5 \cdot 10^{-120}:\\
\;\;\;\;\frac{x\_m}{y} \cdot \left(-z\right)\\
\mathbf{elif}\;t\_0 \leq 2 \cdot 10^{+211}:\\
\;\;\;\;x\_m\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x\_m}{y}\\
\end{array}
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < -5.00000000000000007e-120Initial program 84.0%
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.f6450.8
Simplified50.8%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
frac-2negN/A
remove-double-negN/A
/-lowering-/.f64N/A
neg-lowering-neg.f6448.0
Applied egg-rr48.0%
if -5.00000000000000007e-120 < (/.f64 (*.f64 x (-.f64 y z)) y) < 1.9999999999999999e211Initial program 95.7%
Taylor expanded in y around inf
Simplified70.2%
if 1.9999999999999999e211 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 54.5%
Taylor expanded in y around inf
*-lowering-*.f646.3
Simplified6.3%
associate-*l/N/A
*-lowering-*.f64N/A
/-lowering-/.f6449.4
Applied egg-rr49.4%
Final simplification57.8%
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) 2e+211) 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) <= 2e+211) {
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) <= 2d+211) 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) <= 2e+211) {
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) <= 2e+211: 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) <= 2e+211) 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) <= 2e+211) 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], 2e+211], 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 2 \cdot 10^{+211}:\\
\;\;\;\;x\_m\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x\_m}{y}\\
\end{array}
\end{array}
if (/.f64 (*.f64 x (-.f64 y z)) y) < 1.9999999999999999e211Initial program 90.1%
Taylor expanded in y around inf
Simplified59.8%
if 1.9999999999999999e211 < (/.f64 (*.f64 x (-.f64 y z)) y) Initial program 54.5%
Taylor expanded in y around inf
*-lowering-*.f646.3
Simplified6.3%
associate-*l/N/A
*-lowering-*.f64N/A
/-lowering-/.f6449.4
Applied egg-rr49.4%
Final simplification58.0%
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 -8e-73) x_m (if (<= y 2.05e-6) (/ (* x_m z) (- 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 <= -8e-73) {
tmp = x_m;
} else if (y <= 2.05e-6) {
tmp = (x_m * z) / -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 <= (-8d-73)) then
tmp = x_m
else if (y <= 2.05d-6) then
tmp = (x_m * z) / -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 <= -8e-73) {
tmp = x_m;
} else if (y <= 2.05e-6) {
tmp = (x_m * z) / -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 <= -8e-73: tmp = x_m elif y <= 2.05e-6: tmp = (x_m * z) / -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 <= -8e-73) tmp = x_m; elseif (y <= 2.05e-6) tmp = Float64(Float64(x_m * z) / Float64(-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 <= -8e-73) tmp = x_m; elseif (y <= 2.05e-6) tmp = (x_m * z) / -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, -8e-73], x$95$m, If[LessEqual[y, 2.05e-6], N[(N[(x$95$m * z), $MachinePrecision] / (-y)), $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 -8 \cdot 10^{-73}:\\
\;\;\;\;x\_m\\
\mathbf{elif}\;y \leq 2.05 \cdot 10^{-6}:\\
\;\;\;\;\frac{x\_m \cdot z}{-y}\\
\mathbf{else}:\\
\;\;\;\;x\_m\\
\end{array}
\end{array}
if y < -7.99999999999999998e-73 or 2.0499999999999999e-6 < y Initial program 75.9%
Taylor expanded in y around inf
Simplified80.8%
if -7.99999999999999998e-73 < y < 2.0499999999999999e-6Initial program 95.5%
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.f6478.1
Simplified78.1%
Final simplification79.7%
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 83.9%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
div-subN/A
*-inversesN/A
--lowering--.f64N/A
/-lowering-/.f6497.3
Applied egg-rr97.3%
Final simplification97.3%
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 83.9%
Taylor expanded in y around inf
Simplified57.3%
(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 2024204
(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))