
(FPCore (x y z) :precision binary64 (/ (* x (+ y z)) z))
double code(double x, double y, double z) {
return (x * (y + z)) / 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)) / z
end function
public static double code(double x, double y, double z) {
return (x * (y + z)) / z;
}
def code(x, y, z): return (x * (y + z)) / z
function code(x, y, z) return Float64(Float64(x * Float64(y + z)) / z) end
function tmp = code(x, y, z) tmp = (x * (y + z)) / z; end
code[x_, y_, z_] := N[(N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(y + z\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)) z))
double code(double x, double y, double z) {
return (x * (y + z)) / 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)) / z
end function
public static double code(double x, double y, double z) {
return (x * (y + z)) / z;
}
def code(x, y, z): return (x * (y + z)) / z
function code(x, y, z) return Float64(Float64(x * Float64(y + z)) / z) end
function tmp = code(x, y, z) tmp = (x * (y + z)) / z; end
code[x_, y_, z_] := N[(N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(y + z\right)}{z}
\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 3.8e-95) (+ x_m (/ (* x_m y) z)) (+ x_m (/ 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 (x_m <= 3.8e-95) {
tmp = x_m + ((x_m * y) / z);
} else {
tmp = x_m + (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 (x_m <= 3.8d-95) then
tmp = x_m + ((x_m * y) / z)
else
tmp = x_m + (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 (x_m <= 3.8e-95) {
tmp = x_m + ((x_m * y) / z);
} else {
tmp = x_m + (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 x_m <= 3.8e-95: tmp = x_m + ((x_m * y) / z) else: tmp = x_m + (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 (x_m <= 3.8e-95) tmp = Float64(x_m + Float64(Float64(x_m * y) / z)); else tmp = Float64(x_m + Float64(x_m / 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 <= 3.8e-95) tmp = x_m + ((x_m * y) / z); else tmp = x_m + (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[x$95$m, 3.8e-95], N[(x$95$m + N[(N[(x$95$m * y), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision], N[(x$95$m + N[(x$95$m / 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 3.8 \cdot 10^{-95}:\\
\;\;\;\;x\_m + \frac{x\_m \cdot y}{z}\\
\mathbf{else}:\\
\;\;\;\;x\_m + \frac{x\_m}{\frac{z}{y}}\\
\end{array}
\end{array}
if x < 3.7999999999999997e-95Initial program 90.9%
*-commutative90.9%
associate-/l*80.2%
Simplified80.2%
Taylor expanded in y around 0 95.1%
if 3.7999999999999997e-95 < x Initial program 85.6%
*-commutative85.6%
associate-/l*95.1%
Simplified95.1%
Taylor expanded in y around 0 94.0%
associate-/l*99.8%
*-commutative99.8%
Applied egg-rr99.8%
*-commutative99.8%
clear-num99.8%
un-div-inv99.9%
Applied egg-rr99.9%
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 (or (<= y -2.4e-34) (not (<= y 2.9e-43))) (* y (/ 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 <= -2.4e-34) || !(y <= 2.9e-43)) {
tmp = y * (x_m / z);
} 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 <= (-2.4d-34)) .or. (.not. (y <= 2.9d-43))) then
tmp = y * (x_m / z)
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 <= -2.4e-34) || !(y <= 2.9e-43)) {
tmp = y * (x_m / z);
} 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 <= -2.4e-34) or not (y <= 2.9e-43): tmp = y * (x_m / z) 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 <= -2.4e-34) || !(y <= 2.9e-43)) tmp = Float64(y * Float64(x_m / z)); 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 <= -2.4e-34) || ~((y <= 2.9e-43))) tmp = y * (x_m / z); 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[Or[LessEqual[y, -2.4e-34], N[Not[LessEqual[y, 2.9e-43]], $MachinePrecision]], N[(y * N[(x$95$m / z), $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 -2.4 \cdot 10^{-34} \lor \neg \left(y \leq 2.9 \cdot 10^{-43}\right):\\
\;\;\;\;y \cdot \frac{x\_m}{z}\\
\mathbf{else}:\\
\;\;\;\;x\_m\\
\end{array}
\end{array}
if y < -2.39999999999999991e-34 or 2.9000000000000001e-43 < y Initial program 89.8%
*-commutative89.8%
associate-/l*91.0%
Simplified91.0%
Taylor expanded in y around inf 70.5%
associate-*l/73.9%
*-commutative73.9%
Simplified73.9%
if -2.39999999999999991e-34 < y < 2.9000000000000001e-43Initial program 88.5%
*-commutative88.5%
associate-/l*76.1%
Simplified76.1%
Taylor expanded in y around 0 78.5%
Final simplification75.8%
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 (or (<= y -1.2e-34) (not (<= y 6.2e-43))) (* x_m (/ 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 <= -1.2e-34) || !(y <= 6.2e-43)) {
tmp = x_m * (y / z);
} 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 <= (-1.2d-34)) .or. (.not. (y <= 6.2d-43))) then
tmp = x_m * (y / z)
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 <= -1.2e-34) || !(y <= 6.2e-43)) {
tmp = x_m * (y / z);
} 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 <= -1.2e-34) or not (y <= 6.2e-43): tmp = x_m * (y / z) 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 <= -1.2e-34) || !(y <= 6.2e-43)) tmp = Float64(x_m * Float64(y / z)); 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 <= -1.2e-34) || ~((y <= 6.2e-43))) tmp = x_m * (y / z); 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[Or[LessEqual[y, -1.2e-34], N[Not[LessEqual[y, 6.2e-43]], $MachinePrecision]], N[(x$95$m * N[(y / z), $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 -1.2 \cdot 10^{-34} \lor \neg \left(y \leq 6.2 \cdot 10^{-43}\right):\\
\;\;\;\;x\_m \cdot \frac{y}{z}\\
\mathbf{else}:\\
\;\;\;\;x\_m\\
\end{array}
\end{array}
if y < -1.19999999999999996e-34 or 6.1999999999999999e-43 < y Initial program 89.8%
*-commutative89.8%
associate-/l*91.0%
Simplified91.0%
Taylor expanded in y around inf 70.5%
associate-*r/65.6%
Simplified65.6%
if -1.19999999999999996e-34 < y < 6.1999999999999999e-43Initial program 88.5%
*-commutative88.5%
associate-/l*76.1%
Simplified76.1%
Taylor expanded in y around 0 78.5%
Final simplification71.0%
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 1.05e+116) (+ x_m (/ x_m (/ z y))) (* (+ y z) (/ 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 (y <= 1.05e+116) {
tmp = x_m + (x_m / (z / y));
} else {
tmp = (y + z) * (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 (y <= 1.05d+116) then
tmp = x_m + (x_m / (z / y))
else
tmp = (y + z) * (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 (y <= 1.05e+116) {
tmp = x_m + (x_m / (z / y));
} else {
tmp = (y + z) * (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 y <= 1.05e+116: tmp = x_m + (x_m / (z / y)) else: tmp = (y + z) * (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 (y <= 1.05e+116) tmp = Float64(x_m + Float64(x_m / Float64(z / y))); else tmp = Float64(Float64(y + z) * 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 (y <= 1.05e+116) tmp = x_m + (x_m / (z / y)); else tmp = (y + z) * (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[LessEqual[y, 1.05e+116], N[(x$95$m + N[(x$95$m / N[(z / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(y + z), $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 \begin{array}{l}
\mathbf{if}\;y \leq 1.05 \cdot 10^{+116}:\\
\;\;\;\;x\_m + \frac{x\_m}{\frac{z}{y}}\\
\mathbf{else}:\\
\;\;\;\;\left(y + z\right) \cdot \frac{x\_m}{z}\\
\end{array}
\end{array}
if y < 1.0500000000000001e116Initial program 88.7%
*-commutative88.7%
associate-/l*82.5%
Simplified82.5%
Taylor expanded in y around 0 95.4%
associate-/l*97.1%
*-commutative97.1%
Applied egg-rr97.1%
*-commutative97.1%
clear-num97.2%
un-div-inv97.5%
Applied egg-rr97.5%
if 1.0500000000000001e116 < y Initial program 91.7%
*-commutative91.7%
associate-/l*95.6%
Simplified95.6%
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 (<= y 1.8e+117) (+ x_m (* x_m (/ y z))) (* (+ y z) (/ 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 (y <= 1.8e+117) {
tmp = x_m + (x_m * (y / z));
} else {
tmp = (y + z) * (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 (y <= 1.8d+117) then
tmp = x_m + (x_m * (y / z))
else
tmp = (y + z) * (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 (y <= 1.8e+117) {
tmp = x_m + (x_m * (y / z));
} else {
tmp = (y + z) * (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 y <= 1.8e+117: tmp = x_m + (x_m * (y / z)) else: tmp = (y + z) * (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 (y <= 1.8e+117) tmp = Float64(x_m + Float64(x_m * Float64(y / z))); else tmp = Float64(Float64(y + z) * 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 (y <= 1.8e+117) tmp = x_m + (x_m * (y / z)); else tmp = (y + z) * (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[LessEqual[y, 1.8e+117], N[(x$95$m + N[(x$95$m * N[(y / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(y + z), $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 \begin{array}{l}
\mathbf{if}\;y \leq 1.8 \cdot 10^{+117}:\\
\;\;\;\;x\_m + x\_m \cdot \frac{y}{z}\\
\mathbf{else}:\\
\;\;\;\;\left(y + z\right) \cdot \frac{x\_m}{z}\\
\end{array}
\end{array}
if y < 1.80000000000000006e117Initial program 88.7%
*-commutative88.7%
associate-/l*82.5%
Simplified82.5%
Taylor expanded in y around 0 95.4%
associate-/l*97.1%
*-commutative97.1%
Applied egg-rr97.1%
if 1.80000000000000006e117 < y Initial program 91.7%
*-commutative91.7%
associate-/l*95.6%
Simplified95.6%
Final simplification96.9%
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 9.6e+116) (* x_m (- (/ y z) -1.0)) (* (+ y z) (/ 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 (y <= 9.6e+116) {
tmp = x_m * ((y / z) - -1.0);
} else {
tmp = (y + z) * (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 (y <= 9.6d+116) then
tmp = x_m * ((y / z) - (-1.0d0))
else
tmp = (y + z) * (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 (y <= 9.6e+116) {
tmp = x_m * ((y / z) - -1.0);
} else {
tmp = (y + z) * (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 y <= 9.6e+116: tmp = x_m * ((y / z) - -1.0) else: tmp = (y + z) * (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 (y <= 9.6e+116) tmp = Float64(x_m * Float64(Float64(y / z) - -1.0)); else tmp = Float64(Float64(y + z) * 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 (y <= 9.6e+116) tmp = x_m * ((y / z) - -1.0); else tmp = (y + z) * (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[LessEqual[y, 9.6e+116], N[(x$95$m * N[(N[(y / z), $MachinePrecision] - -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(y + z), $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 \begin{array}{l}
\mathbf{if}\;y \leq 9.6 \cdot 10^{+116}:\\
\;\;\;\;x\_m \cdot \left(\frac{y}{z} - -1\right)\\
\mathbf{else}:\\
\;\;\;\;\left(y + z\right) \cdot \frac{x\_m}{z}\\
\end{array}
\end{array}
if y < 9.6000000000000001e116Initial program 88.7%
associate-/l*97.1%
remove-double-neg97.1%
distribute-frac-neg297.1%
neg-sub097.1%
remove-double-neg97.1%
unsub-neg97.1%
div-sub97.1%
*-inverses97.1%
metadata-eval97.1%
associate--r-97.1%
neg-sub097.1%
distribute-frac-neg297.1%
remove-double-neg97.1%
sub-neg97.1%
Simplified97.1%
if 9.6000000000000001e116 < y Initial program 91.7%
*-commutative91.7%
associate-/l*95.6%
Simplified95.6%
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 (<= y 9e+192) (* x_m (- (/ y z) -1.0)) (* 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) {
double tmp;
if (y <= 9e+192) {
tmp = x_m * ((y / z) - -1.0);
} else {
tmp = y * (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 (y <= 9d+192) then
tmp = x_m * ((y / z) - (-1.0d0))
else
tmp = y * (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 (y <= 9e+192) {
tmp = x_m * ((y / z) - -1.0);
} else {
tmp = y * (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 y <= 9e+192: tmp = x_m * ((y / z) - -1.0) else: tmp = y * (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 (y <= 9e+192) tmp = Float64(x_m * Float64(Float64(y / z) - -1.0)); else tmp = Float64(y * 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 (y <= 9e+192) tmp = x_m * ((y / z) - -1.0); else tmp = y * (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[LessEqual[y, 9e+192], N[(x$95$m * N[(N[(y / z), $MachinePrecision] - -1.0), $MachinePrecision]), $MachinePrecision], N[(y * 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 \begin{array}{l}
\mathbf{if}\;y \leq 9 \cdot 10^{+192}:\\
\;\;\;\;x\_m \cdot \left(\frac{y}{z} - -1\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x\_m}{z}\\
\end{array}
\end{array}
if y < 9e192Initial program 88.6%
associate-/l*96.9%
remove-double-neg96.9%
distribute-frac-neg296.9%
neg-sub096.9%
remove-double-neg96.9%
unsub-neg96.9%
div-sub96.9%
*-inverses96.9%
metadata-eval96.9%
associate--r-96.9%
neg-sub096.9%
distribute-frac-neg296.9%
remove-double-neg96.9%
sub-neg96.9%
Simplified96.9%
if 9e192 < y Initial program 94.1%
*-commutative94.1%
associate-/l*93.7%
Simplified93.7%
Taylor expanded in y around inf 90.9%
associate-*l/92.2%
*-commutative92.2%
Simplified92.2%
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 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 89.2%
*-commutative89.2%
associate-/l*84.8%
Simplified84.8%
Taylor expanded in y around 0 48.4%
(FPCore (x y z) :precision binary64 (/ x (/ z (+ y z))))
double code(double x, double y, double z) {
return x / (z / (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 / (z / (y + z))
end function
public static double code(double x, double y, double z) {
return x / (z / (y + z));
}
def code(x, y, z): return x / (z / (y + z))
function code(x, y, z) return Float64(x / Float64(z / Float64(y + z))) end
function tmp = code(x, y, z) tmp = x / (z / (y + z)); end
code[x_, y_, z_] := N[(x / N[(z / N[(y + z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{\frac{z}{y + z}}
\end{array}
herbie shell --seed 2024111
(FPCore (x y z)
:name "Numeric.SpecFunctions:choose from math-functions-0.1.5.2"
:precision binary64
:alt
(/ x (/ z (+ y z)))
(/ (* x (+ y z)) z))