
(FPCore (x y z) :precision binary64 (/ (* x (/ (sin y) y)) z))
double code(double x, double y, double z) {
return (x * (sin(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 * (sin(y) / y)) / z
end function
public static double code(double x, double y, double z) {
return (x * (Math.sin(y) / y)) / z;
}
def code(x, y, z): return (x * (math.sin(y) / y)) / z
function code(x, y, z) return Float64(Float64(x * Float64(sin(y) / y)) / z) end
function tmp = code(x, y, z) tmp = (x * (sin(y) / y)) / z; end
code[x_, y_, z_] := N[(N[(x * N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \frac{\sin y}{y}}{z}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 11 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (/ (* x (/ (sin y) y)) z))
double code(double x, double y, double z) {
return (x * (sin(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 * (sin(y) / y)) / z
end function
public static double code(double x, double y, double z) {
return (x * (Math.sin(y) / y)) / z;
}
def code(x, y, z): return (x * (math.sin(y) / y)) / z
function code(x, y, z) return Float64(Float64(x * Float64(sin(y) / y)) / z) end
function tmp = code(x, y, z) tmp = (x * (sin(y) / y)) / z; end
code[x_, y_, z_] := N[(N[(x * N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \frac{\sin y}{y}}{z}
\end{array}
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (let* ((t_0 (/ (sin y) y))) (* x_s (if (<= x_m 2.6e-18) (* t_0 (/ x_m z)) (/ (* x_m t_0) z)))))
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 = sin(y) / y;
double tmp;
if (x_m <= 2.6e-18) {
tmp = t_0 * (x_m / z);
} else {
tmp = (x_m * t_0) / z;
}
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 = sin(y) / y
if (x_m <= 2.6d-18) then
tmp = t_0 * (x_m / z)
else
tmp = (x_m * t_0) / z
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 = Math.sin(y) / y;
double tmp;
if (x_m <= 2.6e-18) {
tmp = t_0 * (x_m / z);
} else {
tmp = (x_m * t_0) / z;
}
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 = math.sin(y) / y tmp = 0 if x_m <= 2.6e-18: tmp = t_0 * (x_m / z) else: tmp = (x_m * t_0) / z 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(sin(y) / y) tmp = 0.0 if (x_m <= 2.6e-18) tmp = Float64(t_0 * Float64(x_m / z)); else tmp = Float64(Float64(x_m * t_0) / z); 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 = sin(y) / y; tmp = 0.0; if (x_m <= 2.6e-18) tmp = t_0 * (x_m / z); else tmp = (x_m * t_0) / z; 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[Sin[y], $MachinePrecision] / y), $MachinePrecision]}, N[(x$95$s * If[LessEqual[x$95$m, 2.6e-18], N[(t$95$0 * N[(x$95$m / z), $MachinePrecision]), $MachinePrecision], N[(N[(x$95$m * t$95$0), $MachinePrecision] / z), $MachinePrecision]]), $MachinePrecision]]
\begin{array}{l}
x_m = \left|x\right|
\\
x_s = \mathsf{copysign}\left(1, x\right)
\\
\begin{array}{l}
t_0 := \frac{\sin y}{y}\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;x\_m \leq 2.6 \cdot 10^{-18}:\\
\;\;\;\;t\_0 \cdot \frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;\frac{x\_m \cdot t\_0}{z}\\
\end{array}
\end{array}
\end{array}
if x < 2.6e-18Initial program 93.6%
*-commutative93.6%
associate-*r/99.3%
Simplified99.3%
if 2.6e-18 < x Initial program 99.7%
Final simplification99.4%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= y 7.5e-14) (/ x_m z) (* x_m (/ (sin y) (* y z))))))
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 <= 7.5e-14) {
tmp = x_m / z;
} else {
tmp = x_m * (sin(y) / (y * z));
}
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 <= 7.5d-14) then
tmp = x_m / z
else
tmp = x_m * (sin(y) / (y * z))
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 <= 7.5e-14) {
tmp = x_m / z;
} else {
tmp = x_m * (Math.sin(y) / (y * z));
}
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 <= 7.5e-14: tmp = x_m / z else: tmp = x_m * (math.sin(y) / (y * z)) 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 <= 7.5e-14) tmp = Float64(x_m / z); else tmp = Float64(x_m * Float64(sin(y) / Float64(y * z))); 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 <= 7.5e-14) tmp = x_m / z; else tmp = x_m * (sin(y) / (y * z)); 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, 7.5e-14], N[(x$95$m / z), $MachinePrecision], N[(x$95$m * N[(N[Sin[y], $MachinePrecision] / N[(y * z), $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}\;y \leq 7.5 \cdot 10^{-14}:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;x\_m \cdot \frac{\sin y}{y \cdot z}\\
\end{array}
\end{array}
if y < 7.4999999999999996e-14Initial program 96.1%
*-commutative96.1%
associate-*r/98.3%
Simplified98.3%
Taylor expanded in y around 0 70.7%
if 7.4999999999999996e-14 < y Initial program 93.3%
associate-*r/91.6%
associate-/l/88.9%
*-commutative88.9%
Simplified88.9%
Final simplification76.2%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= y 7.5e-14) (/ x_m z) (* (sin y) (/ (/ x_m y) z)))))
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 <= 7.5e-14) {
tmp = x_m / z;
} else {
tmp = sin(y) * ((x_m / y) / z);
}
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 <= 7.5d-14) then
tmp = x_m / z
else
tmp = sin(y) * ((x_m / y) / z)
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 <= 7.5e-14) {
tmp = x_m / z;
} else {
tmp = Math.sin(y) * ((x_m / y) / z);
}
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 <= 7.5e-14: tmp = x_m / z else: tmp = math.sin(y) * ((x_m / y) / z) 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 <= 7.5e-14) tmp = Float64(x_m / z); else tmp = Float64(sin(y) * Float64(Float64(x_m / y) / z)); 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 <= 7.5e-14) tmp = x_m / z; else tmp = sin(y) * ((x_m / y) / z); 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, 7.5e-14], N[(x$95$m / z), $MachinePrecision], N[(N[Sin[y], $MachinePrecision] * N[(N[(x$95$m / y), $MachinePrecision] / z), $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}\;y \leq 7.5 \cdot 10^{-14}:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;\sin y \cdot \frac{\frac{x\_m}{y}}{z}\\
\end{array}
\end{array}
if y < 7.4999999999999996e-14Initial program 96.1%
*-commutative96.1%
associate-*r/98.3%
Simplified98.3%
Taylor expanded in y around 0 70.7%
if 7.4999999999999996e-14 < y Initial program 93.3%
*-lft-identity93.3%
metadata-eval93.3%
times-frac93.3%
neg-mul-193.3%
distribute-lft-neg-out93.3%
associate-*r/93.3%
associate-*l/93.2%
*-commutative93.2%
times-frac93.2%
remove-double-neg93.2%
distribute-frac-neg93.2%
sin-neg93.2%
sin-neg93.2%
neg-mul-193.2%
associate-/l*93.0%
associate-/r/93.2%
distribute-lft-neg-in93.2%
metadata-eval93.2%
metadata-eval93.2%
neg-mul-193.2%
sin-neg93.2%
*-commutative93.2%
Simplified93.2%
Final simplification77.5%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (let* ((t_0 (/ (sin y) y))) (* x_s (if (<= z 4e-40) (/ x_m (/ z t_0)) (* t_0 (/ x_m z))))))
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 = sin(y) / y;
double tmp;
if (z <= 4e-40) {
tmp = x_m / (z / t_0);
} else {
tmp = t_0 * (x_m / z);
}
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 = sin(y) / y
if (z <= 4d-40) then
tmp = x_m / (z / t_0)
else
tmp = t_0 * (x_m / z)
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 = Math.sin(y) / y;
double tmp;
if (z <= 4e-40) {
tmp = x_m / (z / t_0);
} else {
tmp = t_0 * (x_m / z);
}
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 = math.sin(y) / y tmp = 0 if z <= 4e-40: tmp = x_m / (z / t_0) else: tmp = t_0 * (x_m / z) 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(sin(y) / y) tmp = 0.0 if (z <= 4e-40) tmp = Float64(x_m / Float64(z / t_0)); else tmp = Float64(t_0 * Float64(x_m / z)); 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 = sin(y) / y; tmp = 0.0; if (z <= 4e-40) tmp = x_m / (z / t_0); else tmp = t_0 * (x_m / z); 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[Sin[y], $MachinePrecision] / y), $MachinePrecision]}, N[(x$95$s * If[LessEqual[z, 4e-40], N[(x$95$m / N[(z / t$95$0), $MachinePrecision]), $MachinePrecision], N[(t$95$0 * N[(x$95$m / z), $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{\sin y}{y}\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;z \leq 4 \cdot 10^{-40}:\\
\;\;\;\;\frac{x\_m}{\frac{z}{t\_0}}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \frac{x\_m}{z}\\
\end{array}
\end{array}
\end{array}
if z < 3.9999999999999997e-40Initial program 93.5%
associate-/l*96.2%
Simplified96.2%
if 3.9999999999999997e-40 < z Initial program 99.8%
*-commutative99.8%
associate-*r/99.8%
Simplified99.8%
Final simplification97.2%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (* (/ (sin y) y) (/ x_m z))))
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 * ((sin(y) / y) * (x_m / z));
}
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 * ((sin(y) / y) * (x_m / z))
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 * ((Math.sin(y) / y) * (x_m / z));
}
x_m = math.fabs(x) x_s = math.copysign(1.0, x) def code(x_s, x_m, y, z): return x_s * ((math.sin(y) / y) * (x_m / z))
x_m = abs(x) x_s = copysign(1.0, x) function code(x_s, x_m, y, z) return Float64(x_s * Float64(Float64(sin(y) / y) * Float64(x_m / z))) end
x_m = abs(x); x_s = sign(x) * abs(1.0); function tmp = code(x_s, x_m, y, z) tmp = x_s * ((sin(y) / y) * (x_m / z)); 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[(N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision] * N[(x$95$m / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
x_m = \left|x\right|
\\
x_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \left(\frac{\sin y}{y} \cdot \frac{x\_m}{z}\right)
\end{array}
Initial program 95.2%
*-commutative95.2%
associate-*r/96.5%
Simplified96.5%
Final simplification96.5%
x_m = (fabs.f64 x)
x_s = (copysign.f64 1 x)
(FPCore (x_s x_m y z)
:precision binary64
(*
x_s
(if (<= y 7.5e-14)
(/ x_m z)
(/ (/ x_m (+ (* (* y z) 0.16666666666666666) (/ z y))) 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 (y <= 7.5e-14) {
tmp = x_m / z;
} else {
tmp = (x_m / (((y * z) * 0.16666666666666666) + (z / y))) / 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 (y <= 7.5d-14) then
tmp = x_m / z
else
tmp = (x_m / (((y * z) * 0.16666666666666666d0) + (z / y))) / 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 (y <= 7.5e-14) {
tmp = x_m / z;
} else {
tmp = (x_m / (((y * z) * 0.16666666666666666) + (z / y))) / 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 y <= 7.5e-14: tmp = x_m / z else: tmp = (x_m / (((y * z) * 0.16666666666666666) + (z / y))) / 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 (y <= 7.5e-14) tmp = Float64(x_m / z); else tmp = Float64(Float64(x_m / Float64(Float64(Float64(y * z) * 0.16666666666666666) + Float64(z / y))) / 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 (y <= 7.5e-14) tmp = x_m / z; else tmp = (x_m / (((y * z) * 0.16666666666666666) + (z / y))) / 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[y, 7.5e-14], N[(x$95$m / z), $MachinePrecision], N[(N[(x$95$m / N[(N[(N[(y * z), $MachinePrecision] * 0.16666666666666666), $MachinePrecision] + N[(z / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / y), $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}\;y \leq 7.5 \cdot 10^{-14}:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{x\_m}{\left(y \cdot z\right) \cdot 0.16666666666666666 + \frac{z}{y}}}{y}\\
\end{array}
\end{array}
if y < 7.4999999999999996e-14Initial program 96.1%
*-commutative96.1%
associate-*r/98.3%
Simplified98.3%
Taylor expanded in y around 0 70.7%
if 7.4999999999999996e-14 < y Initial program 93.3%
*-commutative93.3%
associate-*r/92.3%
Simplified92.3%
*-commutative92.3%
associate-/r/88.8%
associate-/r/88.8%
associate-/r*92.4%
Applied egg-rr92.4%
Taylor expanded in y around 0 36.6%
Final simplification60.5%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= y 4e-6) (/ x_m z) (* y (/ 1.0 (/ (* y z) 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 <= 4e-6) {
tmp = x_m / z;
} else {
tmp = y * (1.0 / ((y * z) / 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 <= 4d-6) then
tmp = x_m / z
else
tmp = y * (1.0d0 / ((y * z) / 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 <= 4e-6) {
tmp = x_m / z;
} else {
tmp = y * (1.0 / ((y * z) / 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 <= 4e-6: tmp = x_m / z else: tmp = y * (1.0 / ((y * z) / 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 <= 4e-6) tmp = Float64(x_m / z); else tmp = Float64(y * Float64(1.0 / Float64(Float64(y * z) / 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 <= 4e-6) tmp = x_m / z; else tmp = y * (1.0 / ((y * z) / 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, 4e-6], N[(x$95$m / z), $MachinePrecision], N[(y * N[(1.0 / N[(N[(y * z), $MachinePrecision] / x$95$m), $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}\;y \leq 4 \cdot 10^{-6}:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{1}{\frac{y \cdot z}{x\_m}}\\
\end{array}
\end{array}
if y < 3.99999999999999982e-6Initial program 96.1%
*-commutative96.1%
associate-*r/98.3%
Simplified98.3%
Taylor expanded in y around 0 71.1%
if 3.99999999999999982e-6 < y Initial program 93.1%
associate-*r/91.3%
associate-/l/88.4%
*-commutative88.4%
Simplified88.4%
Taylor expanded in y around 0 18.1%
div-inv18.1%
clear-num18.1%
Applied egg-rr18.1%
*-un-lft-identity18.1%
*-inverses18.1%
times-frac23.0%
clear-num23.0%
associate-/l*33.4%
div-inv33.4%
*-commutative33.4%
Applied egg-rr33.4%
Final simplification60.2%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= y 5e-6) (/ x_m z) (* y (/ (/ x_m 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 (y <= 5e-6) {
tmp = x_m / z;
} else {
tmp = y * ((x_m / 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 (y <= 5d-6) then
tmp = x_m / z
else
tmp = y * ((x_m / 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 (y <= 5e-6) {
tmp = x_m / z;
} else {
tmp = y * ((x_m / 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 y <= 5e-6: tmp = x_m / z else: tmp = y * ((x_m / 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 (y <= 5e-6) tmp = Float64(x_m / z); else tmp = Float64(y * Float64(Float64(x_m / 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 (y <= 5e-6) tmp = x_m / z; else tmp = y * ((x_m / 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[y, 5e-6], N[(x$95$m / z), $MachinePrecision], N[(y * N[(N[(x$95$m / z), $MachinePrecision] / 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}\;y \leq 5 \cdot 10^{-6}:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{\frac{x\_m}{z}}{y}\\
\end{array}
\end{array}
if y < 5.00000000000000041e-6Initial program 96.1%
*-commutative96.1%
associate-*r/98.3%
Simplified98.3%
Taylor expanded in y around 0 71.1%
if 5.00000000000000041e-6 < y Initial program 93.1%
associate-*r/91.3%
associate-/l/88.4%
*-commutative88.4%
Simplified88.4%
Taylor expanded in y around 0 18.1%
div-inv18.1%
clear-num18.1%
Applied egg-rr18.1%
clear-num18.1%
*-un-lft-identity18.1%
associate-/r*18.1%
*-inverses18.1%
associate-/l*17.9%
div-inv17.9%
associate-*l/17.9%
associate-*l/18.0%
*-commutative18.0%
associate-*l*32.1%
Applied egg-rr32.1%
div-inv32.1%
Applied egg-rr32.1%
Final simplification59.8%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= y 50000.0) (/ x_m z) (* y (/ (/ x_m y) z)))))
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 <= 50000.0) {
tmp = x_m / z;
} else {
tmp = y * ((x_m / y) / z);
}
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 <= 50000.0d0) then
tmp = x_m / z
else
tmp = y * ((x_m / y) / z)
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 <= 50000.0) {
tmp = x_m / z;
} else {
tmp = y * ((x_m / y) / z);
}
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 <= 50000.0: tmp = x_m / z else: tmp = y * ((x_m / y) / z) 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 <= 50000.0) tmp = Float64(x_m / z); else tmp = Float64(y * Float64(Float64(x_m / y) / z)); 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 <= 50000.0) tmp = x_m / z; else tmp = y * ((x_m / y) / z); 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, 50000.0], N[(x$95$m / z), $MachinePrecision], N[(y * N[(N[(x$95$m / y), $MachinePrecision] / z), $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}\;y \leq 50000:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{\frac{x\_m}{y}}{z}\\
\end{array}
\end{array}
if y < 5e4Initial program 96.1%
*-commutative96.1%
associate-*r/98.3%
Simplified98.3%
Taylor expanded in y around 0 71.3%
if 5e4 < y Initial program 93.0%
*-commutative93.0%
associate-*r/91.9%
Simplified91.9%
*-commutative91.9%
associate-/r/88.2%
associate-/r/88.2%
associate-/r*92.0%
Applied egg-rr92.0%
Taylor expanded in y around 0 16.8%
associate-/l*16.8%
Simplified16.8%
associate-/l*16.8%
clear-num16.8%
associate-/r/16.8%
Applied egg-rr16.8%
associate-*l/16.8%
*-un-lft-identity16.8%
associate-/l/21.9%
frac-times21.7%
associate-*r/24.8%
associate-*l/32.3%
Applied egg-rr32.3%
Final simplification60.2%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (<= y 1.8e-6) (/ x_m z) (/ y (* 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 <= 1.8e-6) {
tmp = x_m / z;
} else {
tmp = y / (z * (y / 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 <= 1.8d-6) then
tmp = x_m / z
else
tmp = y / (z * (y / 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 <= 1.8e-6) {
tmp = x_m / z;
} else {
tmp = y / (z * (y / 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 <= 1.8e-6: tmp = x_m / z else: tmp = y / (z * (y / 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 <= 1.8e-6) tmp = Float64(x_m / z); else tmp = Float64(y / Float64(z * Float64(y / 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 <= 1.8e-6) tmp = x_m / z; else tmp = y / (z * (y / 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, 1.8e-6], N[(x$95$m / z), $MachinePrecision], N[(y / N[(z * N[(y / x$95$m), $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}\;y \leq 1.8 \cdot 10^{-6}:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;\frac{y}{z \cdot \frac{y}{x\_m}}\\
\end{array}
\end{array}
if y < 1.79999999999999992e-6Initial program 96.1%
*-commutative96.1%
associate-*r/98.3%
Simplified98.3%
Taylor expanded in y around 0 71.1%
if 1.79999999999999992e-6 < y Initial program 93.1%
associate-*r/91.3%
associate-/l/88.4%
*-commutative88.4%
Simplified88.4%
Taylor expanded in y around 0 18.1%
div-inv18.1%
clear-num18.1%
Applied egg-rr18.1%
*-un-lft-identity18.1%
*-inverses18.1%
times-frac23.0%
clear-num23.0%
associate-/l*33.4%
associate-*r/33.1%
associate-/l/18.0%
div-inv18.0%
*-un-lft-identity18.0%
times-frac32.1%
clear-num32.1%
Applied egg-rr32.1%
associate-/r*32.4%
frac-times23.0%
*-un-lft-identity23.0%
frac-times22.8%
clear-num22.8%
frac-times33.2%
*-rgt-identity33.2%
Applied egg-rr33.2%
Final simplification60.2%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (/ x_m z)))
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 / z);
}
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 / z)
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 / z);
}
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 / z)
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 / z)) 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 / z); 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 / z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
x_m = \left|x\right|
\\
x_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \frac{x\_m}{z}
\end{array}
Initial program 95.2%
*-commutative95.2%
associate-*r/96.5%
Simplified96.5%
Taylor expanded in y around 0 55.8%
Final simplification55.8%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (/ y (sin y))) (t_1 (/ (* x (/ 1.0 t_0)) z)))
(if (< z -4.2173720203427147e-29)
t_1
(if (< z 4.446702369113811e+64) (/ x (* z t_0)) t_1))))
double code(double x, double y, double z) {
double t_0 = y / sin(y);
double t_1 = (x * (1.0 / t_0)) / z;
double tmp;
if (z < -4.2173720203427147e-29) {
tmp = t_1;
} else if (z < 4.446702369113811e+64) {
tmp = x / (z * t_0);
} else {
tmp = t_1;
}
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) :: t_1
real(8) :: tmp
t_0 = y / sin(y)
t_1 = (x * (1.0d0 / t_0)) / z
if (z < (-4.2173720203427147d-29)) then
tmp = t_1
else if (z < 4.446702369113811d+64) then
tmp = x / (z * t_0)
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = y / Math.sin(y);
double t_1 = (x * (1.0 / t_0)) / z;
double tmp;
if (z < -4.2173720203427147e-29) {
tmp = t_1;
} else if (z < 4.446702369113811e+64) {
tmp = x / (z * t_0);
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z): t_0 = y / math.sin(y) t_1 = (x * (1.0 / t_0)) / z tmp = 0 if z < -4.2173720203427147e-29: tmp = t_1 elif z < 4.446702369113811e+64: tmp = x / (z * t_0) else: tmp = t_1 return tmp
function code(x, y, z) t_0 = Float64(y / sin(y)) t_1 = Float64(Float64(x * Float64(1.0 / t_0)) / z) tmp = 0.0 if (z < -4.2173720203427147e-29) tmp = t_1; elseif (z < 4.446702369113811e+64) tmp = Float64(x / Float64(z * t_0)); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y / sin(y); t_1 = (x * (1.0 / t_0)) / z; tmp = 0.0; if (z < -4.2173720203427147e-29) tmp = t_1; elseif (z < 4.446702369113811e+64) tmp = x / (z * t_0); else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y / N[Sin[y], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(x * N[(1.0 / t$95$0), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]}, If[Less[z, -4.2173720203427147e-29], t$95$1, If[Less[z, 4.446702369113811e+64], N[(x / N[(z * t$95$0), $MachinePrecision]), $MachinePrecision], t$95$1]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{y}{\sin y}\\
t_1 := \frac{x \cdot \frac{1}{t\_0}}{z}\\
\mathbf{if}\;z < -4.2173720203427147 \cdot 10^{-29}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;z < 4.446702369113811 \cdot 10^{+64}:\\
\;\;\;\;\frac{x}{z \cdot t\_0}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
herbie shell --seed 2024031
(FPCore (x y z)
:name "Linear.Quaternion:$ctanh from linear-1.19.1.3"
:precision binary64
:herbie-target
(if (< z -4.2173720203427147e-29) (/ (* x (/ 1.0 (/ y (sin y)))) z) (if (< z 4.446702369113811e+64) (/ x (* z (/ y (sin y)))) (/ (* x (/ 1.0 (/ y (sin y)))) z)))
(/ (* x (/ (sin y) y)) z))