
(FPCore (x y z) :precision binary64 (* x (- 1.0 (* (- 1.0 y) z))))
double code(double x, double y, double z) {
return x * (1.0 - ((1.0 - 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 * (1.0d0 - ((1.0d0 - y) * z))
end function
public static double code(double x, double y, double z) {
return x * (1.0 - ((1.0 - y) * z));
}
def code(x, y, z): return x * (1.0 - ((1.0 - y) * z))
function code(x, y, z) return Float64(x * Float64(1.0 - Float64(Float64(1.0 - y) * z))) end
function tmp = code(x, y, z) tmp = x * (1.0 - ((1.0 - y) * z)); end
code[x_, y_, z_] := N[(x * N[(1.0 - N[(N[(1.0 - y), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(1 - \left(1 - y\right) \cdot z\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 10 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (* x (- 1.0 (* (- 1.0 y) z))))
double code(double x, double y, double z) {
return x * (1.0 - ((1.0 - 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 * (1.0d0 - ((1.0d0 - y) * z))
end function
public static double code(double x, double y, double z) {
return x * (1.0 - ((1.0 - y) * z));
}
def code(x, y, z): return x * (1.0 - ((1.0 - y) * z))
function code(x, y, z) return Float64(x * Float64(1.0 - Float64(Float64(1.0 - y) * z))) end
function tmp = code(x, y, z) tmp = x * (1.0 - ((1.0 - y) * z)); end
code[x_, y_, z_] := N[(x * N[(1.0 - N[(N[(1.0 - y), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(1 - \left(1 - y\right) \cdot z\right)
\end{array}
(FPCore (x y z) :precision binary64 (if (<= (- 1.0 y) 1.0) (* x (+ 1.0 (* z (+ y -1.0)))) (+ (* y (* x z)) (* x (- 1.0 z)))))
double code(double x, double y, double z) {
double tmp;
if ((1.0 - y) <= 1.0) {
tmp = x * (1.0 + (z * (y + -1.0)));
} else {
tmp = (y * (x * z)) + (x * (1.0 - z));
}
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 ((1.0d0 - y) <= 1.0d0) then
tmp = x * (1.0d0 + (z * (y + (-1.0d0))))
else
tmp = (y * (x * z)) + (x * (1.0d0 - z))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((1.0 - y) <= 1.0) {
tmp = x * (1.0 + (z * (y + -1.0)));
} else {
tmp = (y * (x * z)) + (x * (1.0 - z));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (1.0 - y) <= 1.0: tmp = x * (1.0 + (z * (y + -1.0))) else: tmp = (y * (x * z)) + (x * (1.0 - z)) return tmp
function code(x, y, z) tmp = 0.0 if (Float64(1.0 - y) <= 1.0) tmp = Float64(x * Float64(1.0 + Float64(z * Float64(y + -1.0)))); else tmp = Float64(Float64(y * Float64(x * z)) + Float64(x * Float64(1.0 - z))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((1.0 - y) <= 1.0) tmp = x * (1.0 + (z * (y + -1.0))); else tmp = (y * (x * z)) + (x * (1.0 - z)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[N[(1.0 - y), $MachinePrecision], 1.0], N[(x * N[(1.0 + N[(z * N[(y + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(y * N[(x * z), $MachinePrecision]), $MachinePrecision] + N[(x * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;1 - y \leq 1:\\
\;\;\;\;x \cdot \left(1 + z \cdot \left(y + -1\right)\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(x \cdot z\right) + x \cdot \left(1 - z\right)\\
\end{array}
\end{array}
if (-.f64 1 y) < 1Initial program 98.9%
if 1 < (-.f64 1 y) Initial program 91.9%
Taylor expanded in y around 0 99.8%
Final simplification99.2%
(FPCore (x y z) :precision binary64 (fma (+ y -1.0) (* x z) x))
double code(double x, double y, double z) {
return fma((y + -1.0), (x * z), x);
}
function code(x, y, z) return fma(Float64(y + -1.0), Float64(x * z), x) end
code[x_, y_, z_] := N[(N[(y + -1.0), $MachinePrecision] * N[(x * z), $MachinePrecision] + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y + -1, x \cdot z, x\right)
\end{array}
Initial program 97.0%
distribute-rgt-out--97.0%
*-lft-identity97.0%
cancel-sign-sub-inv97.0%
+-commutative97.0%
distribute-lft-neg-in97.0%
associate-*l*99.2%
fma-def99.2%
neg-sub099.2%
associate--r-99.2%
metadata-eval99.2%
+-commutative99.2%
*-commutative99.2%
Simplified99.2%
Final simplification99.2%
(FPCore (x y z) :precision binary64 (if (<= (- 1.0 y) 200000000000.0) (* x (+ 1.0 (* z (+ y -1.0)))) (+ x (* y (* x z)))))
double code(double x, double y, double z) {
double tmp;
if ((1.0 - y) <= 200000000000.0) {
tmp = x * (1.0 + (z * (y + -1.0)));
} else {
tmp = x + (y * (x * z));
}
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 ((1.0d0 - y) <= 200000000000.0d0) then
tmp = x * (1.0d0 + (z * (y + (-1.0d0))))
else
tmp = x + (y * (x * z))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((1.0 - y) <= 200000000000.0) {
tmp = x * (1.0 + (z * (y + -1.0)));
} else {
tmp = x + (y * (x * z));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (1.0 - y) <= 200000000000.0: tmp = x * (1.0 + (z * (y + -1.0))) else: tmp = x + (y * (x * z)) return tmp
function code(x, y, z) tmp = 0.0 if (Float64(1.0 - y) <= 200000000000.0) tmp = Float64(x * Float64(1.0 + Float64(z * Float64(y + -1.0)))); else tmp = Float64(x + Float64(y * Float64(x * z))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((1.0 - y) <= 200000000000.0) tmp = x * (1.0 + (z * (y + -1.0))); else tmp = x + (y * (x * z)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[N[(1.0 - y), $MachinePrecision], 200000000000.0], N[(x * N[(1.0 + N[(z * N[(y + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(y * N[(x * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;1 - y \leq 200000000000:\\
\;\;\;\;x \cdot \left(1 + z \cdot \left(y + -1\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x + y \cdot \left(x \cdot z\right)\\
\end{array}
\end{array}
if (-.f64 1 y) < 2e11Initial program 99.0%
if 2e11 < (-.f64 1 y) Initial program 91.2%
Taylor expanded in y around inf 91.2%
mul-1-neg91.2%
distribute-lft-neg-out91.2%
*-commutative91.2%
Simplified91.2%
Taylor expanded in z around 0 99.8%
Final simplification99.2%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.0) (not (<= z 1.0))) (* (* x z) (+ y -1.0)) (* x (+ 1.0 (* y z)))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.0) || !(z <= 1.0)) {
tmp = (x * z) * (y + -1.0);
} else {
tmp = x * (1.0 + (y * z));
}
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 <= (-1.0d0)) .or. (.not. (z <= 1.0d0))) then
tmp = (x * z) * (y + (-1.0d0))
else
tmp = x * (1.0d0 + (y * z))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -1.0) || !(z <= 1.0)) {
tmp = (x * z) * (y + -1.0);
} else {
tmp = x * (1.0 + (y * z));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.0) or not (z <= 1.0): tmp = (x * z) * (y + -1.0) else: tmp = x * (1.0 + (y * z)) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.0) || !(z <= 1.0)) tmp = Float64(Float64(x * z) * Float64(y + -1.0)); else tmp = Float64(x * Float64(1.0 + Float64(y * z))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -1.0) || ~((z <= 1.0))) tmp = (x * z) * (y + -1.0); else tmp = x * (1.0 + (y * z)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.0], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(N[(x * z), $MachinePrecision] * N[(y + -1.0), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 + N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1 \lor \neg \left(z \leq 1\right):\\
\;\;\;\;\left(x \cdot z\right) \cdot \left(y + -1\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 + y \cdot z\right)\\
\end{array}
\end{array}
if z < -1 or 1 < z Initial program 94.1%
Taylor expanded in z around inf 98.6%
*-commutative98.6%
associate-*l*98.6%
sub-neg98.6%
metadata-eval98.6%
*-commutative98.6%
Simplified98.6%
if -1 < z < 1Initial program 99.9%
Taylor expanded in y around inf 99.2%
mul-1-neg99.2%
distribute-lft-neg-out99.2%
*-commutative99.2%
Simplified99.2%
Taylor expanded in z around 0 97.7%
Taylor expanded in x around 0 99.2%
Final simplification98.9%
(FPCore (x y z) :precision binary64 (if (<= y -7.8e+39) (* y (* x z)) (if (<= y 4.5e+65) (* x (- 1.0 z)) (* (* x z) (+ y -1.0)))))
double code(double x, double y, double z) {
double tmp;
if (y <= -7.8e+39) {
tmp = y * (x * z);
} else if (y <= 4.5e+65) {
tmp = x * (1.0 - z);
} else {
tmp = (x * z) * (y + -1.0);
}
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) :: tmp
if (y <= (-7.8d+39)) then
tmp = y * (x * z)
else if (y <= 4.5d+65) then
tmp = x * (1.0d0 - z)
else
tmp = (x * z) * (y + (-1.0d0))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -7.8e+39) {
tmp = y * (x * z);
} else if (y <= 4.5e+65) {
tmp = x * (1.0 - z);
} else {
tmp = (x * z) * (y + -1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -7.8e+39: tmp = y * (x * z) elif y <= 4.5e+65: tmp = x * (1.0 - z) else: tmp = (x * z) * (y + -1.0) return tmp
function code(x, y, z) tmp = 0.0 if (y <= -7.8e+39) tmp = Float64(y * Float64(x * z)); elseif (y <= 4.5e+65) tmp = Float64(x * Float64(1.0 - z)); else tmp = Float64(Float64(x * z) * Float64(y + -1.0)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -7.8e+39) tmp = y * (x * z); elseif (y <= 4.5e+65) tmp = x * (1.0 - z); else tmp = (x * z) * (y + -1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -7.8e+39], N[(y * N[(x * z), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 4.5e+65], N[(x * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(N[(x * z), $MachinePrecision] * N[(y + -1.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -7.8 \cdot 10^{+39}:\\
\;\;\;\;y \cdot \left(x \cdot z\right)\\
\mathbf{elif}\;y \leq 4.5 \cdot 10^{+65}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;\left(x \cdot z\right) \cdot \left(y + -1\right)\\
\end{array}
\end{array}
if y < -7.8000000000000002e39Initial program 90.3%
Taylor expanded in y around inf 80.7%
if -7.8000000000000002e39 < y < 4.5e65Initial program 100.0%
Taylor expanded in y around 0 96.9%
if 4.5e65 < y Initial program 95.8%
Taylor expanded in z around inf 85.9%
*-commutative85.9%
associate-*l*87.5%
sub-neg87.5%
metadata-eval87.5%
*-commutative87.5%
Simplified87.5%
Final simplification91.4%
(FPCore (x y z) :precision binary64 (if (<= y -105000.0) (+ x (* y (* x z))) (if (<= y 2.3e-14) (* x (- 1.0 z)) (* x (+ 1.0 (* y z))))))
double code(double x, double y, double z) {
double tmp;
if (y <= -105000.0) {
tmp = x + (y * (x * z));
} else if (y <= 2.3e-14) {
tmp = x * (1.0 - z);
} else {
tmp = x * (1.0 + (y * z));
}
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 (y <= (-105000.0d0)) then
tmp = x + (y * (x * z))
else if (y <= 2.3d-14) then
tmp = x * (1.0d0 - z)
else
tmp = x * (1.0d0 + (y * z))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -105000.0) {
tmp = x + (y * (x * z));
} else if (y <= 2.3e-14) {
tmp = x * (1.0 - z);
} else {
tmp = x * (1.0 + (y * z));
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -105000.0: tmp = x + (y * (x * z)) elif y <= 2.3e-14: tmp = x * (1.0 - z) else: tmp = x * (1.0 + (y * z)) return tmp
function code(x, y, z) tmp = 0.0 if (y <= -105000.0) tmp = Float64(x + Float64(y * Float64(x * z))); elseif (y <= 2.3e-14) tmp = Float64(x * Float64(1.0 - z)); else tmp = Float64(x * Float64(1.0 + Float64(y * z))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -105000.0) tmp = x + (y * (x * z)); elseif (y <= 2.3e-14) tmp = x * (1.0 - z); else tmp = x * (1.0 + (y * z)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -105000.0], N[(x + N[(y * N[(x * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 2.3e-14], N[(x * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 + N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -105000:\\
\;\;\;\;x + y \cdot \left(x \cdot z\right)\\
\mathbf{elif}\;y \leq 2.3 \cdot 10^{-14}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 + y \cdot z\right)\\
\end{array}
\end{array}
if y < -105000Initial program 91.3%
Taylor expanded in y around inf 91.3%
mul-1-neg91.3%
distribute-lft-neg-out91.3%
*-commutative91.3%
Simplified91.3%
Taylor expanded in z around 0 99.8%
if -105000 < y < 2.29999999999999998e-14Initial program 100.0%
Taylor expanded in y around 0 99.8%
if 2.29999999999999998e-14 < y Initial program 96.4%
Taylor expanded in y around inf 96.0%
mul-1-neg96.0%
distribute-lft-neg-out96.0%
*-commutative96.0%
Simplified96.0%
Taylor expanded in z around 0 96.0%
Taylor expanded in x around 0 96.0%
Final simplification99.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (- z))))
(if (<= z -9.2e+27)
t_0
(if (<= z -5.6e-63) (* y (* x z)) (if (<= z 1.1e+21) x t_0)))))
double code(double x, double y, double z) {
double t_0 = x * -z;
double tmp;
if (z <= -9.2e+27) {
tmp = t_0;
} else if (z <= -5.6e-63) {
tmp = y * (x * z);
} else if (z <= 1.1e+21) {
tmp = x;
} 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 = x * -z
if (z <= (-9.2d+27)) then
tmp = t_0
else if (z <= (-5.6d-63)) then
tmp = y * (x * z)
else if (z <= 1.1d+21) then
tmp = x
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * -z;
double tmp;
if (z <= -9.2e+27) {
tmp = t_0;
} else if (z <= -5.6e-63) {
tmp = y * (x * z);
} else if (z <= 1.1e+21) {
tmp = x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = x * -z tmp = 0 if z <= -9.2e+27: tmp = t_0 elif z <= -5.6e-63: tmp = y * (x * z) elif z <= 1.1e+21: tmp = x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(x * Float64(-z)) tmp = 0.0 if (z <= -9.2e+27) tmp = t_0; elseif (z <= -5.6e-63) tmp = Float64(y * Float64(x * z)); elseif (z <= 1.1e+21) tmp = x; else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * -z; tmp = 0.0; if (z <= -9.2e+27) tmp = t_0; elseif (z <= -5.6e-63) tmp = y * (x * z); elseif (z <= 1.1e+21) tmp = x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * (-z)), $MachinePrecision]}, If[LessEqual[z, -9.2e+27], t$95$0, If[LessEqual[z, -5.6e-63], N[(y * N[(x * z), $MachinePrecision]), $MachinePrecision], If[LessEqual[z, 1.1e+21], x, t$95$0]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(-z\right)\\
\mathbf{if}\;z \leq -9.2 \cdot 10^{+27}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;z \leq -5.6 \cdot 10^{-63}:\\
\;\;\;\;y \cdot \left(x \cdot z\right)\\
\mathbf{elif}\;z \leq 1.1 \cdot 10^{+21}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
if z < -9.2000000000000002e27 or 1.1e21 < z Initial program 94.3%
Taylor expanded in y around 0 67.3%
Taylor expanded in z around inf 67.3%
mul-1-neg67.3%
distribute-rgt-neg-in67.3%
Simplified67.3%
if -9.2000000000000002e27 < z < -5.6000000000000005e-63Initial program 96.2%
Taylor expanded in y around inf 68.1%
if -5.6000000000000005e-63 < z < 1.1e21Initial program 99.9%
Taylor expanded in z around 0 72.7%
Final simplification69.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.02e+37) (not (<= y 5.5e+64))) (* y (* x z)) (* x (- 1.0 z))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.02e+37) || !(y <= 5.5e+64)) {
tmp = y * (x * z);
} else {
tmp = x * (1.0 - z);
}
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 ((y <= (-2.02d+37)) .or. (.not. (y <= 5.5d+64))) then
tmp = y * (x * z)
else
tmp = x * (1.0d0 - z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -2.02e+37) || !(y <= 5.5e+64)) {
tmp = y * (x * z);
} else {
tmp = x * (1.0 - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.02e+37) or not (y <= 5.5e+64): tmp = y * (x * z) else: tmp = x * (1.0 - z) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.02e+37) || !(y <= 5.5e+64)) tmp = Float64(y * Float64(x * z)); else tmp = Float64(x * Float64(1.0 - z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -2.02e+37) || ~((y <= 5.5e+64))) tmp = y * (x * z); else tmp = x * (1.0 - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.02e+37], N[Not[LessEqual[y, 5.5e+64]], $MachinePrecision]], N[(y * N[(x * z), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.02 \cdot 10^{+37} \lor \neg \left(y \leq 5.5 \cdot 10^{+64}\right):\\
\;\;\;\;y \cdot \left(x \cdot z\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\end{array}
\end{array}
if y < -2.0199999999999999e37 or 5.4999999999999996e64 < y Initial program 92.7%
Taylor expanded in y around inf 83.7%
if -2.0199999999999999e37 < y < 5.4999999999999996e64Initial program 100.0%
Taylor expanded in y around 0 96.9%
Final simplification91.4%
(FPCore (x y z) :precision binary64 (if (or (<= z -0.0005) (not (<= z 1.1e+21))) (* x (- z)) x))
double code(double x, double y, double z) {
double tmp;
if ((z <= -0.0005) || !(z <= 1.1e+21)) {
tmp = x * -z;
} else {
tmp = x;
}
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 <= (-0.0005d0)) .or. (.not. (z <= 1.1d+21))) then
tmp = x * -z
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -0.0005) || !(z <= 1.1e+21)) {
tmp = x * -z;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -0.0005) or not (z <= 1.1e+21): tmp = x * -z else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -0.0005) || !(z <= 1.1e+21)) tmp = Float64(x * Float64(-z)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -0.0005) || ~((z <= 1.1e+21))) tmp = x * -z; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -0.0005], N[Not[LessEqual[z, 1.1e+21]], $MachinePrecision]], N[(x * (-z)), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -0.0005 \lor \neg \left(z \leq 1.1 \cdot 10^{+21}\right):\\
\;\;\;\;x \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if z < -5.0000000000000001e-4 or 1.1e21 < z Initial program 94.0%
Taylor expanded in y around 0 65.4%
Taylor expanded in z around inf 64.1%
mul-1-neg64.1%
distribute-rgt-neg-in64.1%
Simplified64.1%
if -5.0000000000000001e-4 < z < 1.1e21Initial program 99.9%
Taylor expanded in z around 0 66.8%
Final simplification65.4%
(FPCore (x y z) :precision binary64 x)
double code(double x, double y, double z) {
return x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x
end function
public static double code(double x, double y, double z) {
return x;
}
def code(x, y, z): return x
function code(x, y, z) return x end
function tmp = code(x, y, z) tmp = x; end
code[x_, y_, z_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 97.0%
Taylor expanded in z around 0 35.2%
Final simplification35.2%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (- 1.0 (* (- 1.0 y) z))))
(t_1 (+ x (* (- 1.0 y) (* (- z) x)))))
(if (< t_0 -1.618195973607049e+50)
t_1
(if (< t_0 3.892237649663903e+134) (- (* (* x y) z) (- (* x z) x)) t_1))))
double code(double x, double y, double z) {
double t_0 = x * (1.0 - ((1.0 - y) * z));
double t_1 = x + ((1.0 - y) * (-z * x));
double tmp;
if (t_0 < -1.618195973607049e+50) {
tmp = t_1;
} else if (t_0 < 3.892237649663903e+134) {
tmp = ((x * y) * z) - ((x * z) - x);
} 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 = x * (1.0d0 - ((1.0d0 - y) * z))
t_1 = x + ((1.0d0 - y) * (-z * x))
if (t_0 < (-1.618195973607049d+50)) then
tmp = t_1
else if (t_0 < 3.892237649663903d+134) then
tmp = ((x * y) * z) - ((x * z) - x)
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * (1.0 - ((1.0 - y) * z));
double t_1 = x + ((1.0 - y) * (-z * x));
double tmp;
if (t_0 < -1.618195973607049e+50) {
tmp = t_1;
} else if (t_0 < 3.892237649663903e+134) {
tmp = ((x * y) * z) - ((x * z) - x);
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z): t_0 = x * (1.0 - ((1.0 - y) * z)) t_1 = x + ((1.0 - y) * (-z * x)) tmp = 0 if t_0 < -1.618195973607049e+50: tmp = t_1 elif t_0 < 3.892237649663903e+134: tmp = ((x * y) * z) - ((x * z) - x) else: tmp = t_1 return tmp
function code(x, y, z) t_0 = Float64(x * Float64(1.0 - Float64(Float64(1.0 - y) * z))) t_1 = Float64(x + Float64(Float64(1.0 - y) * Float64(Float64(-z) * x))) tmp = 0.0 if (t_0 < -1.618195973607049e+50) tmp = t_1; elseif (t_0 < 3.892237649663903e+134) tmp = Float64(Float64(Float64(x * y) * z) - Float64(Float64(x * z) - x)); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * (1.0 - ((1.0 - y) * z)); t_1 = x + ((1.0 - y) * (-z * x)); tmp = 0.0; if (t_0 < -1.618195973607049e+50) tmp = t_1; elseif (t_0 < 3.892237649663903e+134) tmp = ((x * y) * z) - ((x * z) - x); else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[(1.0 - N[(N[(1.0 - y), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(x + N[(N[(1.0 - y), $MachinePrecision] * N[((-z) * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[t$95$0, -1.618195973607049e+50], t$95$1, If[Less[t$95$0, 3.892237649663903e+134], N[(N[(N[(x * y), $MachinePrecision] * z), $MachinePrecision] - N[(N[(x * z), $MachinePrecision] - x), $MachinePrecision]), $MachinePrecision], t$95$1]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(1 - \left(1 - y\right) \cdot z\right)\\
t_1 := x + \left(1 - y\right) \cdot \left(\left(-z\right) \cdot x\right)\\
\mathbf{if}\;t_0 < -1.618195973607049 \cdot 10^{+50}:\\
\;\;\;\;t_1\\
\mathbf{elif}\;t_0 < 3.892237649663903 \cdot 10^{+134}:\\
\;\;\;\;\left(x \cdot y\right) \cdot z - \left(x \cdot z - x\right)\\
\mathbf{else}:\\
\;\;\;\;t_1\\
\end{array}
\end{array}
herbie shell --seed 2023194
(FPCore (x y z)
:name "Data.Colour.RGBSpace.HSV:hsv from colour-2.3.3, J"
:precision binary64
:herbie-target
(if (< (* x (- 1.0 (* (- 1.0 y) z))) -1.618195973607049e+50) (+ x (* (- 1.0 y) (* (- z) x))) (if (< (* x (- 1.0 (* (- 1.0 y) z))) 3.892237649663903e+134) (- (* (* x y) z) (- (* x z) x)) (+ x (* (- 1.0 y) (* (- z) x)))))
(* x (- 1.0 (* (- 1.0 y) z))))