
(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 6 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) -5e+229) (* y (* z (- x))) (- x (* (* y z) x))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -5e+229) {
tmp = y * (z * -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) <= (-5d+229)) then
tmp = y * (z * -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) <= -5e+229) {
tmp = y * (z * -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) <= -5e+229: tmp = y * (z * -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) <= -5e+229) tmp = Float64(y * Float64(z * 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) <= -5e+229)
tmp = y * (z * -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], -5e+229], N[(y * N[(z * (-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 -5 \cdot 10^{+229}:\\
\;\;\;\;y \cdot \left(z \cdot \left(-x\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x - \left(y \cdot z\right) \cdot x\\
\end{array}
\end{array}
if (*.f64 y z) < -5.0000000000000005e229Initial program 73.0%
Taylor expanded in y around inf 73.0%
mul-1-neg73.0%
*-commutative73.0%
associate-*r*99.8%
distribute-rgt-neg-in99.8%
Simplified99.8%
if -5.0000000000000005e229 < (*.f64 y z) Initial program 98.7%
sub-neg98.7%
distribute-rgt-in98.7%
*-un-lft-identity98.7%
distribute-rgt-neg-in98.7%
Applied egg-rr98.7%
associate-*l*90.5%
add-sqr-sqrt54.4%
sqrt-unprod65.0%
sqr-neg65.0%
sqrt-unprod20.0%
add-sqr-sqrt53.2%
cancel-sign-sub-inv53.2%
associate-*l*56.5%
*-commutative56.5%
*-commutative56.5%
distribute-lft-neg-out56.5%
distribute-rgt-neg-out56.5%
associate-*l*53.2%
add-sqr-sqrt20.0%
sqrt-unprod65.0%
sqr-neg65.0%
sqrt-unprod54.4%
add-sqr-sqrt90.5%
associate-*l*98.7%
*-commutative98.7%
Applied egg-rr98.7%
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 -2.5e+78) (not (<= y 8.8e-94))) (* z (* y (- x))) x))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.5e+78) || !(y <= 8.8e-94)) {
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 <= (-2.5d+78)) .or. (.not. (y <= 8.8d-94))) 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 <= -2.5e+78) || !(y <= 8.8e-94)) {
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 <= -2.5e+78) or not (y <= 8.8e-94): 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 ((y <= -2.5e+78) || !(y <= 8.8e-94)) 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 <= -2.5e+78) || ~((y <= 8.8e-94)))
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[y, -2.5e+78], N[Not[LessEqual[y, 8.8e-94]], $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 \leq -2.5 \cdot 10^{+78} \lor \neg \left(y \leq 8.8 \cdot 10^{-94}\right):\\
\;\;\;\;z \cdot \left(y \cdot \left(-x\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if y < -2.49999999999999992e78 or 8.80000000000000004e-94 < y Initial program 92.3%
Taylor expanded in z around inf 89.9%
Taylor expanded in y around inf 63.5%
neg-mul-163.5%
distribute-rgt-neg-in63.5%
Simplified63.5%
if -2.49999999999999992e78 < y < 8.80000000000000004e-94Initial program 99.9%
Taylor expanded in y around 0 70.5%
Final simplification66.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (or (<= y -2.5e+78) (not (<= y 1.2e-92))) (* x (* y (- z))) x))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.5e+78) || !(y <= 1.2e-92)) {
tmp = x * (y * -z);
} 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 <= (-2.5d+78)) .or. (.not. (y <= 1.2d-92))) then
tmp = x * (y * -z)
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 <= -2.5e+78) || !(y <= 1.2e-92)) {
tmp = x * (y * -z);
} else {
tmp = x;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y <= -2.5e+78) or not (y <= 1.2e-92): tmp = x * (y * -z) else: tmp = x return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if ((y <= -2.5e+78) || !(y <= 1.2e-92)) tmp = Float64(x * Float64(y * Float64(-z))); 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 <= -2.5e+78) || ~((y <= 1.2e-92)))
tmp = x * (y * -z);
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[y, -2.5e+78], N[Not[LessEqual[y, 1.2e-92]], $MachinePrecision]], N[(x * N[(y * (-z)), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.5 \cdot 10^{+78} \lor \neg \left(y \leq 1.2 \cdot 10^{-92}\right):\\
\;\;\;\;x \cdot \left(y \cdot \left(-z\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if y < -2.49999999999999992e78 or 1.2000000000000001e-92 < y Initial program 92.3%
Taylor expanded in y around inf 59.3%
mul-1-neg59.3%
distribute-rgt-neg-out59.3%
Simplified59.3%
if -2.49999999999999992e78 < y < 1.2000000000000001e-92Initial program 99.9%
Taylor expanded in y around 0 70.5%
Final simplification64.6%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= (* y z) -5e+229) (* y (* z (- x))) (* x (- 1.0 (* y z)))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -5e+229) {
tmp = y * (z * -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) <= (-5d+229)) then
tmp = y * (z * -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) <= -5e+229) {
tmp = y * (z * -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) <= -5e+229: tmp = y * (z * -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) <= -5e+229) tmp = Float64(y * Float64(z * 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) <= -5e+229)
tmp = y * (z * -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], -5e+229], N[(y * N[(z * (-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 -5 \cdot 10^{+229}:\\
\;\;\;\;y \cdot \left(z \cdot \left(-x\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - y \cdot z\right)\\
\end{array}
\end{array}
if (*.f64 y z) < -5.0000000000000005e229Initial program 73.0%
Taylor expanded in y around inf 73.0%
mul-1-neg73.0%
*-commutative73.0%
associate-*r*99.8%
distribute-rgt-neg-in99.8%
Simplified99.8%
if -5.0000000000000005e229 < (*.f64 y z) Initial program 98.7%
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 (<= x 9.8e+47) x (/ (* z x) z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (x <= 9.8e+47) {
tmp = x;
} else {
tmp = (z * x) / 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 (x <= 9.8d+47) then
tmp = x
else
tmp = (z * x) / 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 (x <= 9.8e+47) {
tmp = x;
} else {
tmp = (z * x) / z;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if x <= 9.8e+47: tmp = x else: tmp = (z * x) / z return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (x <= 9.8e+47) tmp = x; else tmp = Float64(Float64(z * x) / z); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (x <= 9.8e+47)
tmp = x;
else
tmp = (z * x) / 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[x, 9.8e+47], x, N[(N[(z * x), $MachinePrecision] / z), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;x \leq 9.8 \cdot 10^{+47}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;\frac{z \cdot x}{z}\\
\end{array}
\end{array}
if x < 9.8000000000000006e47Initial program 95.0%
Taylor expanded in y around 0 51.5%
if 9.8000000000000006e47 < x Initial program 100.0%
Taylor expanded in z around inf 69.5%
Taylor expanded in y around 0 29.6%
*-commutative29.6%
associate-*l/53.8%
Applied egg-rr53.8%
Final simplification51.9%
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 95.9%
Taylor expanded in y around 0 51.8%
herbie shell --seed 2024145
(FPCore (x y z)
:name "Data.Colour.RGBSpace.HSV:hsv from colour-2.3.3, I"
:precision binary64
(* x (- 1.0 (* y z))))