
(FPCore (x y z) :precision binary64 (/ (* x (+ (- y z) 1.0)) z))
double code(double x, double y, double z) {
return (x * ((y - z) + 1.0)) / 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 - z) + 1.0d0)) / z
end function
public static double code(double x, double y, double z) {
return (x * ((y - z) + 1.0)) / z;
}
def code(x, y, z): return (x * ((y - z) + 1.0)) / z
function code(x, y, z) return Float64(Float64(x * Float64(Float64(y - z) + 1.0)) / z) end
function tmp = code(x, y, z) tmp = (x * ((y - z) + 1.0)) / z; end
code[x_, y_, z_] := N[(N[(x * N[(N[(y - z), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(\left(y - z\right) + 1\right)}{z}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (/ (* x (+ (- y z) 1.0)) z))
double code(double x, double y, double z) {
return (x * ((y - z) + 1.0)) / 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 - z) + 1.0d0)) / z
end function
public static double code(double x, double y, double z) {
return (x * ((y - z) + 1.0)) / z;
}
def code(x, y, z): return (x * ((y - z) + 1.0)) / z
function code(x, y, z) return Float64(Float64(x * Float64(Float64(y - z) + 1.0)) / z) end
function tmp = code(x, y, z) tmp = (x * ((y - z) + 1.0)) / z; end
code[x_, y_, z_] := N[(N[(x * N[(N[(y - z), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(\left(y - z\right) + 1\right)}{z}
\end{array}
x_m = (fabs.f64 x)
x_s = (copysign.f64 1 x)
(FPCore (x_s x_m y z)
:precision binary64
(*
x_s
(if (<= x_m 3.5e-57)
(/ (* x_m (+ (- y z) 1.0)) z)
(- (* (/ x_m z) (+ y 1.0)) 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 <= 3.5e-57) {
tmp = (x_m * ((y - z) + 1.0)) / z;
} else {
tmp = ((x_m / z) * (y + 1.0)) - 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 (x_m <= 3.5d-57) then
tmp = (x_m * ((y - z) + 1.0d0)) / z
else
tmp = ((x_m / z) * (y + 1.0d0)) - 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 (x_m <= 3.5e-57) {
tmp = (x_m * ((y - z) + 1.0)) / z;
} else {
tmp = ((x_m / z) * (y + 1.0)) - 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 x_m <= 3.5e-57: tmp = (x_m * ((y - z) + 1.0)) / z else: tmp = ((x_m / z) * (y + 1.0)) - 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 <= 3.5e-57) tmp = Float64(Float64(x_m * Float64(Float64(y - z) + 1.0)) / z); else tmp = Float64(Float64(Float64(x_m / z) * Float64(y + 1.0)) - 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 (x_m <= 3.5e-57) tmp = (x_m * ((y - z) + 1.0)) / z; else tmp = ((x_m / z) * (y + 1.0)) - 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[x$95$m, 3.5e-57], N[(N[(x$95$m * N[(N[(y - z), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision], N[(N[(N[(x$95$m / z), $MachinePrecision] * N[(y + 1.0), $MachinePrecision]), $MachinePrecision] - 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 3.5 \cdot 10^{-57}:\\
\;\;\;\;\frac{x\_m \cdot \left(\left(y - z\right) + 1\right)}{z}\\
\mathbf{else}:\\
\;\;\;\;\frac{x\_m}{z} \cdot \left(y + 1\right) - x\_m\\
\end{array}
\end{array}
if x < 3.49999999999999991e-57Initial program 92.2%
if 3.49999999999999991e-57 < x Initial program 78.1%
Taylor expanded in z around 0 92.3%
+-commutative92.3%
mul-1-neg92.3%
unsub-neg92.3%
associate-*l/100.0%
Simplified100.0%
Final simplification94.8%
x_m = (fabs.f64 x)
x_s = (copysign.f64 1 x)
(FPCore (x_s x_m y z)
:precision binary64
(let* ((t_0 (* y (/ x_m z))))
(*
x_s
(if (<= y -2e+41)
t_0
(if (<= y -1.12e-251) (- x_m) (if (<= y 4.2e-6) (/ x_m z) t_0))))))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 = y * (x_m / z);
double tmp;
if (y <= -2e+41) {
tmp = t_0;
} else if (y <= -1.12e-251) {
tmp = -x_m;
} else if (y <= 4.2e-6) {
tmp = x_m / z;
} else {
tmp = t_0;
}
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 = y * (x_m / z)
if (y <= (-2d+41)) then
tmp = t_0
else if (y <= (-1.12d-251)) then
tmp = -x_m
else if (y <= 4.2d-6) then
tmp = x_m / z
else
tmp = t_0
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 = y * (x_m / z);
double tmp;
if (y <= -2e+41) {
tmp = t_0;
} else if (y <= -1.12e-251) {
tmp = -x_m;
} else if (y <= 4.2e-6) {
tmp = x_m / z;
} else {
tmp = t_0;
}
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 = y * (x_m / z) tmp = 0 if y <= -2e+41: tmp = t_0 elif y <= -1.12e-251: tmp = -x_m elif y <= 4.2e-6: tmp = x_m / z else: tmp = t_0 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(y * Float64(x_m / z)) tmp = 0.0 if (y <= -2e+41) tmp = t_0; elseif (y <= -1.12e-251) tmp = Float64(-x_m); elseif (y <= 4.2e-6) tmp = Float64(x_m / z); else tmp = t_0; 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 = y * (x_m / z); tmp = 0.0; if (y <= -2e+41) tmp = t_0; elseif (y <= -1.12e-251) tmp = -x_m; elseif (y <= 4.2e-6) tmp = x_m / z; else tmp = t_0; 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[(y * N[(x$95$m / z), $MachinePrecision]), $MachinePrecision]}, N[(x$95$s * If[LessEqual[y, -2e+41], t$95$0, If[LessEqual[y, -1.12e-251], (-x$95$m), If[LessEqual[y, 4.2e-6], N[(x$95$m / z), $MachinePrecision], t$95$0]]]), $MachinePrecision]]
\begin{array}{l}
x_m = \left|x\right|
\\
x_s = \mathsf{copysign}\left(1, x\right)
\\
\begin{array}{l}
t_0 := y \cdot \frac{x\_m}{z}\\
x\_s \cdot \begin{array}{l}
\mathbf{if}\;y \leq -2 \cdot 10^{+41}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -1.12 \cdot 10^{-251}:\\
\;\;\;\;-x\_m\\
\mathbf{elif}\;y \leq 4.2 \cdot 10^{-6}:\\
\;\;\;\;\frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
\end{array}
if y < -2.00000000000000001e41 or 4.1999999999999996e-6 < y Initial program 86.2%
Taylor expanded in y around inf 76.2%
associate-*l/77.2%
Simplified77.2%
if -2.00000000000000001e41 < y < -1.12000000000000007e-251Initial program 83.1%
Taylor expanded in z around inf 66.1%
mul-1-neg66.1%
Simplified66.1%
if -1.12000000000000007e-251 < y < 4.1999999999999996e-6Initial program 93.4%
Taylor expanded in z around 0 59.1%
associate-/l*59.1%
Simplified59.1%
Taylor expanded in y around 0 58.5%
Final simplification69.6%
x_m = (fabs.f64 x)
x_s = (copysign.f64 1 x)
(FPCore (x_s x_m y z)
:precision binary64
(*
x_s
(if (or (<= y -1.0) (not (<= y 4.2e-6)))
(- (* x_m (/ y z)) x_m)
(- (/ x_m 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 <= -1.0) || !(y <= 4.2e-6)) {
tmp = (x_m * (y / z)) - x_m;
} else {
tmp = (x_m / 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 <= (-1.0d0)) .or. (.not. (y <= 4.2d-6))) then
tmp = (x_m * (y / z)) - x_m
else
tmp = (x_m / 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 <= -1.0) || !(y <= 4.2e-6)) {
tmp = (x_m * (y / z)) - x_m;
} else {
tmp = (x_m / 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 <= -1.0) or not (y <= 4.2e-6): tmp = (x_m * (y / z)) - x_m else: tmp = (x_m / 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 <= -1.0) || !(y <= 4.2e-6)) tmp = Float64(Float64(x_m * Float64(y / z)) - x_m); else tmp = Float64(Float64(x_m / 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 <= -1.0) || ~((y <= 4.2e-6))) tmp = (x_m * (y / z)) - x_m; else tmp = (x_m / 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[Or[LessEqual[y, -1.0], N[Not[LessEqual[y, 4.2e-6]], $MachinePrecision]], N[(N[(x$95$m * N[(y / z), $MachinePrecision]), $MachinePrecision] - x$95$m), $MachinePrecision], N[(N[(x$95$m / z), $MachinePrecision] - 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}\;y \leq -1 \lor \neg \left(y \leq 4.2 \cdot 10^{-6}\right):\\
\;\;\;\;x\_m \cdot \frac{y}{z} - x\_m\\
\mathbf{else}:\\
\;\;\;\;\frac{x\_m}{z} - x\_m\\
\end{array}
\end{array}
if y < -1 or 4.1999999999999996e-6 < y Initial program 84.9%
Taylor expanded in z around 0 91.1%
+-commutative91.1%
mul-1-neg91.1%
unsub-neg91.1%
associate-*l/95.8%
Simplified95.8%
Taylor expanded in y around inf 90.6%
associate-*r/92.5%
Simplified92.5%
if -1 < y < 4.1999999999999996e-6Initial program 90.5%
Taylor expanded in z around 0 100.0%
+-commutative100.0%
mul-1-neg100.0%
unsub-neg100.0%
associate-*l/100.0%
Simplified100.0%
Taylor expanded in y around 0 99.7%
Final simplification95.8%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (or (<= y -2e+41) (not (<= y 5.9))) (* y (/ x_m z)) (- (/ x_m 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 <= -2e+41) || !(y <= 5.9)) {
tmp = y * (x_m / z);
} else {
tmp = (x_m / 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 <= (-2d+41)) .or. (.not. (y <= 5.9d0))) then
tmp = y * (x_m / z)
else
tmp = (x_m / 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 <= -2e+41) || !(y <= 5.9)) {
tmp = y * (x_m / z);
} else {
tmp = (x_m / 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 <= -2e+41) or not (y <= 5.9): tmp = y * (x_m / z) else: tmp = (x_m / 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 <= -2e+41) || !(y <= 5.9)) tmp = Float64(y * Float64(x_m / z)); else tmp = Float64(Float64(x_m / 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 <= -2e+41) || ~((y <= 5.9))) tmp = y * (x_m / z); else tmp = (x_m / 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[Or[LessEqual[y, -2e+41], N[Not[LessEqual[y, 5.9]], $MachinePrecision]], N[(y * N[(x$95$m / z), $MachinePrecision]), $MachinePrecision], N[(N[(x$95$m / z), $MachinePrecision] - 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}\;y \leq -2 \cdot 10^{+41} \lor \neg \left(y \leq 5.9\right):\\
\;\;\;\;y \cdot \frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;\frac{x\_m}{z} - x\_m\\
\end{array}
\end{array}
if y < -2.00000000000000001e41 or 5.9000000000000004 < y Initial program 86.0%
Taylor expanded in y around inf 76.8%
associate-*l/77.7%
Simplified77.7%
if -2.00000000000000001e41 < y < 5.9000000000000004Initial program 89.0%
Taylor expanded in z around 0 100.0%
+-commutative100.0%
mul-1-neg100.0%
unsub-neg100.0%
associate-*l/100.0%
Simplified100.0%
Taylor expanded in y around 0 97.3%
Final simplification87.5%
x_m = (fabs.f64 x)
x_s = (copysign.f64 1 x)
(FPCore (x_s x_m y z)
:precision binary64
(*
x_s
(if (<= y -2.06e+37)
(* y (/ x_m z))
(if (<= y 5.9) (- (/ x_m z) x_m) (/ (* 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 <= -2.06e+37) {
tmp = y * (x_m / z);
} else if (y <= 5.9) {
tmp = (x_m / z) - x_m;
} else {
tmp = (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 <= (-2.06d+37)) then
tmp = y * (x_m / z)
else if (y <= 5.9d0) then
tmp = (x_m / z) - x_m
else
tmp = (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 <= -2.06e+37) {
tmp = y * (x_m / z);
} else if (y <= 5.9) {
tmp = (x_m / z) - x_m;
} else {
tmp = (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 <= -2.06e+37: tmp = y * (x_m / z) elif y <= 5.9: tmp = (x_m / z) - x_m else: tmp = (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 <= -2.06e+37) tmp = Float64(y * Float64(x_m / z)); elseif (y <= 5.9) tmp = Float64(Float64(x_m / z) - x_m); else tmp = 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 <= -2.06e+37) tmp = y * (x_m / z); elseif (y <= 5.9) tmp = (x_m / z) - x_m; else tmp = (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, -2.06e+37], N[(y * N[(x$95$m / z), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 5.9], N[(N[(x$95$m / z), $MachinePrecision] - x$95$m), $MachinePrecision], N[(N[(x$95$m * y), $MachinePrecision] / z), $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 -2.06 \cdot 10^{+37}:\\
\;\;\;\;y \cdot \frac{x\_m}{z}\\
\mathbf{elif}\;y \leq 5.9:\\
\;\;\;\;\frac{x\_m}{z} - x\_m\\
\mathbf{else}:\\
\;\;\;\;\frac{x\_m \cdot y}{z}\\
\end{array}
\end{array}
if y < -2.05999999999999988e37Initial program 80.1%
Taylor expanded in y around inf 71.6%
associate-*l/76.4%
Simplified76.4%
if -2.05999999999999988e37 < y < 5.9000000000000004Initial program 89.0%
Taylor expanded in z around 0 100.0%
+-commutative100.0%
mul-1-neg100.0%
unsub-neg100.0%
associate-*l/100.0%
Simplified100.0%
Taylor expanded in y around 0 97.3%
if 5.9000000000000004 < y Initial program 92.3%
Taylor expanded in y around inf 82.1%
Final simplification88.2%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 x) (FPCore (x_s x_m y z) :precision binary64 (* x_s (if (or (<= z -1.0) (not (<= z 0.68))) (- x_m) (/ 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 tmp;
if ((z <= -1.0) || !(z <= 0.68)) {
tmp = -x_m;
} else {
tmp = 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) :: tmp
if ((z <= (-1.0d0)) .or. (.not. (z <= 0.68d0))) then
tmp = -x_m
else
tmp = 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 tmp;
if ((z <= -1.0) || !(z <= 0.68)) {
tmp = -x_m;
} else {
tmp = 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): tmp = 0 if (z <= -1.0) or not (z <= 0.68): tmp = -x_m else: tmp = 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) tmp = 0.0 if ((z <= -1.0) || !(z <= 0.68)) tmp = Float64(-x_m); else tmp = 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) tmp = 0.0; if ((z <= -1.0) || ~((z <= 0.68))) tmp = -x_m; else tmp = 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_] := N[(x$95$s * If[Or[LessEqual[z, -1.0], N[Not[LessEqual[z, 0.68]], $MachinePrecision]], (-x$95$m), 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 \begin{array}{l}
\mathbf{if}\;z \leq -1 \lor \neg \left(z \leq 0.68\right):\\
\;\;\;\;-x\_m\\
\mathbf{else}:\\
\;\;\;\;\frac{x\_m}{z}\\
\end{array}
\end{array}
if z < -1 or 0.680000000000000049 < z Initial program 76.2%
Taylor expanded in z around inf 67.3%
mul-1-neg67.3%
Simplified67.3%
if -1 < z < 0.680000000000000049Initial program 99.9%
Taylor expanded in z around 0 99.5%
associate-/l*91.9%
Simplified91.9%
Taylor expanded in y around 0 54.8%
Final simplification61.3%
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) (+ y 1.0)) 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 / z) * (y + 1.0)) - 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 / z) * (y + 1.0d0)) - 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 / z) * (y + 1.0)) - 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 / z) * (y + 1.0)) - x_m)
x_m = abs(x) x_s = copysign(1.0, x) function code(x_s, x_m, y, z) return Float64(x_s * Float64(Float64(Float64(x_m / z) * Float64(y + 1.0)) - 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 / z) * (y + 1.0)) - 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 * N[(N[(N[(x$95$m / z), $MachinePrecision] * N[(y + 1.0), $MachinePrecision]), $MachinePrecision] - x$95$m), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
x_m = \left|x\right|
\\
x_s = \mathsf{copysign}\left(1, x\right)
\\
x\_s \cdot \left(\frac{x\_m}{z} \cdot \left(y + 1\right) - x\_m\right)
\end{array}
Initial program 87.5%
Taylor expanded in z around 0 95.2%
+-commutative95.2%
mul-1-neg95.2%
unsub-neg95.2%
associate-*l/97.7%
Simplified97.7%
Final simplification97.7%
x_m = (fabs.f64 x) x_s = (copysign.f64 1 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 * Float64(-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 \left(-x\_m\right)
\end{array}
Initial program 87.5%
Taylor expanded in z around inf 36.8%
mul-1-neg36.8%
Simplified36.8%
Final simplification36.8%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (- (* (+ 1.0 y) (/ x z)) x)))
(if (< x -2.71483106713436e-162)
t_0
(if (< x 3.874108816439546e-197)
(* (* x (+ (- y z) 1.0)) (/ 1.0 z))
t_0))))
double code(double x, double y, double z) {
double t_0 = ((1.0 + y) * (x / z)) - x;
double tmp;
if (x < -2.71483106713436e-162) {
tmp = t_0;
} else if (x < 3.874108816439546e-197) {
tmp = (x * ((y - z) + 1.0)) * (1.0 / z);
} else {
tmp = t_0;
}
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 = ((1.0d0 + y) * (x / z)) - x
if (x < (-2.71483106713436d-162)) then
tmp = t_0
else if (x < 3.874108816439546d-197) then
tmp = (x * ((y - z) + 1.0d0)) * (1.0d0 / z)
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = ((1.0 + y) * (x / z)) - x;
double tmp;
if (x < -2.71483106713436e-162) {
tmp = t_0;
} else if (x < 3.874108816439546e-197) {
tmp = (x * ((y - z) + 1.0)) * (1.0 / z);
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = ((1.0 + y) * (x / z)) - x tmp = 0 if x < -2.71483106713436e-162: tmp = t_0 elif x < 3.874108816439546e-197: tmp = (x * ((y - z) + 1.0)) * (1.0 / z) else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(Float64(Float64(1.0 + y) * Float64(x / z)) - x) tmp = 0.0 if (x < -2.71483106713436e-162) tmp = t_0; elseif (x < 3.874108816439546e-197) tmp = Float64(Float64(x * Float64(Float64(y - z) + 1.0)) * Float64(1.0 / z)); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = ((1.0 + y) * (x / z)) - x; tmp = 0.0; if (x < -2.71483106713436e-162) tmp = t_0; elseif (x < 3.874108816439546e-197) tmp = (x * ((y - z) + 1.0)) * (1.0 / z); else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(N[(1.0 + y), $MachinePrecision] * N[(x / z), $MachinePrecision]), $MachinePrecision] - x), $MachinePrecision]}, If[Less[x, -2.71483106713436e-162], t$95$0, If[Less[x, 3.874108816439546e-197], N[(N[(x * N[(N[(y - z), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision] * N[(1.0 / z), $MachinePrecision]), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 + y\right) \cdot \frac{x}{z} - x\\
\mathbf{if}\;x < -2.71483106713436 \cdot 10^{-162}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;x < 3.874108816439546 \cdot 10^{-197}:\\
\;\;\;\;\left(x \cdot \left(\left(y - z\right) + 1\right)\right) \cdot \frac{1}{z}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
herbie shell --seed 2024027
(FPCore (x y z)
:name "Diagrams.TwoD.Segment.Bernstein:evaluateBernstein from diagrams-lib-1.3.0.3"
:precision binary64
:herbie-target
(if (< x -2.71483106713436e-162) (- (* (+ 1.0 y) (/ x z)) x) (if (< x 3.874108816439546e-197) (* (* x (+ (- y z) 1.0)) (/ 1.0 z)) (- (* (+ 1.0 y) (/ x z)) x)))
(/ (* x (+ (- y z) 1.0)) z))