
(FPCore (x y z) :precision binary64 (* x (- 1.0 (* y z))))
double code(double x, double y, double z) {
return x * (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 - (y * z))
end function
public static double code(double x, double y, double z) {
return x * (1.0 - (y * z));
}
def code(x, y, z): return x * (1.0 - (y * z))
function code(x, y, z) return Float64(x * Float64(1.0 - Float64(y * z))) end
function tmp = code(x, y, z) tmp = x * (1.0 - (y * z)); end
code[x_, y_, z_] := N[(x * N[(1.0 - N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(1 - y \cdot z\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (* x (- 1.0 (* y z))))
double code(double x, double y, double z) {
return x * (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 - (y * z))
end function
public static double code(double x, double y, double z) {
return x * (1.0 - (y * z));
}
def code(x, y, z): return x * (1.0 - (y * z))
function code(x, y, z) return Float64(x * Float64(1.0 - Float64(y * z))) end
function tmp = code(x, y, z) tmp = x * (1.0 - (y * z)); end
code[x_, y_, z_] := N[(x * N[(1.0 - N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(1 - y \cdot z\right)
\end{array}
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= (* y z) -1e+157) (* z (* y (- x))) (- x (* (* y z) x))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -1e+157) {
tmp = z * (y * -x);
} else {
tmp = x - ((y * z) * x);
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 * z) <= (-1d+157)) then
tmp = z * (y * -x)
else
tmp = x - ((y * z) * x)
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -1e+157) {
tmp = z * (y * -x);
} else {
tmp = x - ((y * z) * x);
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y * z) <= -1e+157: tmp = z * (y * -x) else: tmp = x - ((y * z) * x) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (Float64(y * z) <= -1e+157) tmp = Float64(z * Float64(y * Float64(-x))); else tmp = Float64(x - Float64(Float64(y * z) * x)); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if ((y * z) <= -1e+157)
tmp = z * (y * -x);
else
tmp = x - ((y * z) * x);
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[N[(y * z), $MachinePrecision], -1e+157], N[(z * N[(y * (-x)), $MachinePrecision]), $MachinePrecision], N[(x - N[(N[(y * z), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq -1 \cdot 10^{+157}:\\
\;\;\;\;z \cdot \left(y \cdot \left(-x\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x - \left(y \cdot z\right) \cdot x\\
\end{array}
\end{array}
if (*.f64 y z) < -9.99999999999999983e156Initial program 86.4%
Taylor expanded in y around inf 86.4%
mul-1-neg86.4%
associate-*r*99.8%
Simplified99.8%
if -9.99999999999999983e156 < (*.f64 y z) Initial program 98.6%
sub-neg98.6%
distribute-rgt-in98.6%
*-un-lft-identity98.6%
distribute-rgt-neg-in98.6%
Applied egg-rr98.6%
Final simplification98.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (or (<= (* y z) -1e+28) (not (<= (* y z) 0.05))) (* z (* y (- x))) x))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (((y * z) <= -1e+28) || !((y * z) <= 0.05)) {
tmp = z * (y * -x);
} else {
tmp = x;
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 * z) <= (-1d+28)) .or. (.not. ((y * z) <= 0.05d0))) then
tmp = z * (y * -x)
else
tmp = x
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if (((y * z) <= -1e+28) || !((y * z) <= 0.05)) {
tmp = z * (y * -x);
} else {
tmp = x;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if ((y * z) <= -1e+28) or not ((y * z) <= 0.05): tmp = z * (y * -x) else: tmp = x return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if ((Float64(y * z) <= -1e+28) || !(Float64(y * z) <= 0.05)) tmp = Float64(z * Float64(y * Float64(-x))); else tmp = x; end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (((y * z) <= -1e+28) || ~(((y * z) <= 0.05)))
tmp = z * (y * -x);
else
tmp = x;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[Or[LessEqual[N[(y * z), $MachinePrecision], -1e+28], N[Not[LessEqual[N[(y * z), $MachinePrecision], 0.05]], $MachinePrecision]], N[(z * N[(y * (-x)), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq -1 \cdot 10^{+28} \lor \neg \left(y \cdot z \leq 0.05\right):\\
\;\;\;\;z \cdot \left(y \cdot \left(-x\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if (*.f64 y z) < -9.99999999999999958e27 or 0.050000000000000003 < (*.f64 y z) Initial program 93.8%
Taylor expanded in y around inf 92.7%
mul-1-neg92.7%
associate-*r*93.5%
Simplified93.5%
if -9.99999999999999958e27 < (*.f64 y z) < 0.050000000000000003Initial program 100.0%
Taylor expanded in y around 0 95.9%
Final simplification94.7%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= (* y z) -1e+28) (* z (* y (- x))) (if (<= (* y z) 0.05) x (* x (* y (- z))))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -1e+28) {
tmp = z * (y * -x);
} else if ((y * z) <= 0.05) {
tmp = x;
} else {
tmp = x * (y * -z);
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 * z) <= (-1d+28)) then
tmp = z * (y * -x)
else if ((y * z) <= 0.05d0) then
tmp = x
else
tmp = x * (y * -z)
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -1e+28) {
tmp = z * (y * -x);
} else if ((y * z) <= 0.05) {
tmp = x;
} else {
tmp = x * (y * -z);
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y * z) <= -1e+28: tmp = z * (y * -x) elif (y * z) <= 0.05: tmp = x else: tmp = x * (y * -z) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (Float64(y * z) <= -1e+28) tmp = Float64(z * Float64(y * Float64(-x))); elseif (Float64(y * z) <= 0.05) tmp = x; else tmp = Float64(x * Float64(y * Float64(-z))); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if ((y * z) <= -1e+28)
tmp = z * (y * -x);
elseif ((y * z) <= 0.05)
tmp = x;
else
tmp = x * (y * -z);
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[N[(y * z), $MachinePrecision], -1e+28], N[(z * N[(y * (-x)), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(y * z), $MachinePrecision], 0.05], x, N[(x * N[(y * (-z)), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq -1 \cdot 10^{+28}:\\
\;\;\;\;z \cdot \left(y \cdot \left(-x\right)\right)\\
\mathbf{elif}\;y \cdot z \leq 0.05:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(y \cdot \left(-z\right)\right)\\
\end{array}
\end{array}
if (*.f64 y z) < -9.99999999999999958e27Initial program 92.5%
Taylor expanded in y around inf 92.5%
mul-1-neg92.5%
associate-*r*96.9%
Simplified96.9%
if -9.99999999999999958e27 < (*.f64 y z) < 0.050000000000000003Initial program 100.0%
Taylor expanded in y around 0 95.9%
if 0.050000000000000003 < (*.f64 y z) Initial program 95.2%
Taylor expanded in y around inf 92.9%
mul-1-neg92.9%
distribute-rgt-neg-in92.9%
distribute-rgt-neg-out92.9%
Simplified92.9%
Final simplification95.4%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= (* y z) -1e+157) (* z (* y (- x))) (* x (- 1.0 (* y z)))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -1e+157) {
tmp = z * (y * -x);
} else {
tmp = x * (1.0 - (y * z));
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 * z) <= (-1d+157)) then
tmp = z * (y * -x)
else
tmp = x * (1.0d0 - (y * z))
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -1e+157) {
tmp = z * (y * -x);
} else {
tmp = x * (1.0 - (y * z));
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y * z) <= -1e+157: tmp = z * (y * -x) else: tmp = x * (1.0 - (y * z)) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (Float64(y * z) <= -1e+157) tmp = Float64(z * Float64(y * Float64(-x))); else tmp = Float64(x * Float64(1.0 - Float64(y * z))); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if ((y * z) <= -1e+157)
tmp = z * (y * -x);
else
tmp = x * (1.0 - (y * z));
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[N[(y * z), $MachinePrecision], -1e+157], N[(z * N[(y * (-x)), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 - N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq -1 \cdot 10^{+157}:\\
\;\;\;\;z \cdot \left(y \cdot \left(-x\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - y \cdot z\right)\\
\end{array}
\end{array}
if (*.f64 y z) < -9.99999999999999983e156Initial program 86.4%
Taylor expanded in y around inf 86.4%
mul-1-neg86.4%
associate-*r*99.8%
Simplified99.8%
if -9.99999999999999983e156 < (*.f64 y z) Initial program 98.6%
Final simplification98.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 x)
assert(x < y && y < z);
double code(double x, double y, double z) {
return x;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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
assert x < y && y < z;
public static double code(double x, double y, double z) {
return x;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return x
x, y, z = sort([x, y, z]) function code(x, y, z) return x end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = x;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := x
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
x
\end{array}
Initial program 96.9%
Taylor expanded in y around 0 50.4%
Final simplification50.4%
herbie shell --seed 2023332
(FPCore (x y z)
:name "Data.Colour.RGBSpace.HSV:hsv from colour-2.3.3, I"
:precision binary64
(* x (- 1.0 (* y z))))