
(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) 1e+213) (- x (* (* y z) x)) (- (* z (* y x)))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= 1e+213) {
tmp = x - ((y * z) * x);
} else {
tmp = -(z * (y * 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+213) then
tmp = x - ((y * z) * x)
else
tmp = -(z * (y * 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+213) {
tmp = x - ((y * z) * x);
} else {
tmp = -(z * (y * x));
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y * z) <= 1e+213: tmp = x - ((y * z) * x) else: tmp = -(z * (y * x)) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (Float64(y * z) <= 1e+213) tmp = Float64(x - Float64(Float64(y * z) * x)); else tmp = Float64(-Float64(z * Float64(y * 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+213)
tmp = x - ((y * z) * x);
else
tmp = -(z * (y * 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+213], N[(x - N[(N[(y * z), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision], (-N[(z * N[(y * x), $MachinePrecision]), $MachinePrecision])]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq 10^{+213}:\\
\;\;\;\;x - \left(y \cdot z\right) \cdot x\\
\mathbf{else}:\\
\;\;\;\;-z \cdot \left(y \cdot x\right)\\
\end{array}
\end{array}
if (*.f64 y z) < 9.99999999999999984e212Initial program 98.3%
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
distribute-lft-neg-outN/A
unsub-negN/A
--lowering--.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6498.3
Applied egg-rr98.3%
if 9.99999999999999984e212 < (*.f64 y z) Initial program 82.6%
Taylor expanded in y around inf
mul-1-negN/A
distribute-rgt-neg-inN/A
mul-1-negN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6482.6
Simplified82.6%
distribute-rgt-neg-outN/A
distribute-lft-neg-inN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
neg-lowering-neg.f6499.8
Applied egg-rr99.8%
Final simplification98.4%
NOTE: x, y, and z should be sorted in increasing order before calling this function.
(FPCore (x y z)
:precision binary64
(if (<= (* y z) -4e+14)
(- (* y (* z x)))
(if (<= (* y z) 1e-10)
x
(if (<= (* y z) 1e+213) (* (* y z) (- x)) (- (* z (* y x)))))))assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= -4e+14) {
tmp = -(y * (z * x));
} else if ((y * z) <= 1e-10) {
tmp = x;
} else if ((y * z) <= 1e+213) {
tmp = (y * z) * -x;
} else {
tmp = -(z * (y * 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) <= (-4d+14)) then
tmp = -(y * (z * x))
else if ((y * z) <= 1d-10) then
tmp = x
else if ((y * z) <= 1d+213) then
tmp = (y * z) * -x
else
tmp = -(z * (y * 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) <= -4e+14) {
tmp = -(y * (z * x));
} else if ((y * z) <= 1e-10) {
tmp = x;
} else if ((y * z) <= 1e+213) {
tmp = (y * z) * -x;
} else {
tmp = -(z * (y * x));
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y * z) <= -4e+14: tmp = -(y * (z * x)) elif (y * z) <= 1e-10: tmp = x elif (y * z) <= 1e+213: tmp = (y * z) * -x else: tmp = -(z * (y * x)) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (Float64(y * z) <= -4e+14) tmp = Float64(-Float64(y * Float64(z * x))); elseif (Float64(y * z) <= 1e-10) tmp = x; elseif (Float64(y * z) <= 1e+213) tmp = Float64(Float64(y * z) * Float64(-x)); else tmp = Float64(-Float64(z * Float64(y * 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) <= -4e+14)
tmp = -(y * (z * x));
elseif ((y * z) <= 1e-10)
tmp = x;
elseif ((y * z) <= 1e+213)
tmp = (y * z) * -x;
else
tmp = -(z * (y * 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], -4e+14], (-N[(y * N[(z * x), $MachinePrecision]), $MachinePrecision]), If[LessEqual[N[(y * z), $MachinePrecision], 1e-10], x, If[LessEqual[N[(y * z), $MachinePrecision], 1e+213], N[(N[(y * z), $MachinePrecision] * (-x)), $MachinePrecision], (-N[(z * N[(y * x), $MachinePrecision]), $MachinePrecision])]]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq -4 \cdot 10^{+14}:\\
\;\;\;\;-y \cdot \left(z \cdot x\right)\\
\mathbf{elif}\;y \cdot z \leq 10^{-10}:\\
\;\;\;\;x\\
\mathbf{elif}\;y \cdot z \leq 10^{+213}:\\
\;\;\;\;\left(y \cdot z\right) \cdot \left(-x\right)\\
\mathbf{else}:\\
\;\;\;\;-z \cdot \left(y \cdot x\right)\\
\end{array}
\end{array}
if (*.f64 y z) < -4e14Initial program 93.8%
Taylor expanded in y around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6496.8
Simplified96.8%
if -4e14 < (*.f64 y z) < 1.00000000000000004e-10Initial program 100.0%
Taylor expanded in y around 0
Simplified97.8%
if 1.00000000000000004e-10 < (*.f64 y z) < 9.99999999999999984e212Initial program 99.7%
Taylor expanded in y around inf
mul-1-negN/A
distribute-rgt-neg-inN/A
mul-1-negN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6496.6
Simplified96.6%
if 9.99999999999999984e212 < (*.f64 y z) Initial program 82.6%
Taylor expanded in y around inf
mul-1-negN/A
distribute-rgt-neg-inN/A
mul-1-negN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6482.6
Simplified82.6%
distribute-rgt-neg-outN/A
distribute-lft-neg-inN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
neg-lowering-neg.f6499.8
Applied egg-rr99.8%
Final simplification97.6%
NOTE: x, y, and z should be sorted in increasing order before calling this function.
(FPCore (x y z)
:precision binary64
(let* ((t_0 (- (* y (* z x)))))
(if (<= (* y z) -4e+14)
t_0
(if (<= (* y z) 1e-10)
x
(if (<= (* y z) 4e+224) (* (* y z) (- x)) t_0)))))assert(x < y && y < z);
double code(double x, double y, double z) {
double t_0 = -(y * (z * x));
double tmp;
if ((y * z) <= -4e+14) {
tmp = t_0;
} else if ((y * z) <= 1e-10) {
tmp = x;
} else if ((y * z) <= 4e+224) {
tmp = (y * z) * -x;
} else {
tmp = t_0;
}
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) :: t_0
real(8) :: tmp
t_0 = -(y * (z * x))
if ((y * z) <= (-4d+14)) then
tmp = t_0
else if ((y * z) <= 1d-10) then
tmp = x
else if ((y * z) <= 4d+224) then
tmp = (y * z) * -x
else
tmp = t_0
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double t_0 = -(y * (z * x));
double tmp;
if ((y * z) <= -4e+14) {
tmp = t_0;
} else if ((y * z) <= 1e-10) {
tmp = x;
} else if ((y * z) <= 4e+224) {
tmp = (y * z) * -x;
} else {
tmp = t_0;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): t_0 = -(y * (z * x)) tmp = 0 if (y * z) <= -4e+14: tmp = t_0 elif (y * z) <= 1e-10: tmp = x elif (y * z) <= 4e+224: tmp = (y * z) * -x else: tmp = t_0 return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) t_0 = Float64(-Float64(y * Float64(z * x))) tmp = 0.0 if (Float64(y * z) <= -4e+14) tmp = t_0; elseif (Float64(y * z) <= 1e-10) tmp = x; elseif (Float64(y * z) <= 4e+224) tmp = Float64(Float64(y * z) * Float64(-x)); else tmp = t_0; end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
t_0 = -(y * (z * x));
tmp = 0.0;
if ((y * z) <= -4e+14)
tmp = t_0;
elseif ((y * z) <= 1e-10)
tmp = x;
elseif ((y * z) <= 4e+224)
tmp = (y * z) * -x;
else
tmp = t_0;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function.
code[x_, y_, z_] := Block[{t$95$0 = (-N[(y * N[(z * x), $MachinePrecision]), $MachinePrecision])}, If[LessEqual[N[(y * z), $MachinePrecision], -4e+14], t$95$0, If[LessEqual[N[(y * z), $MachinePrecision], 1e-10], x, If[LessEqual[N[(y * z), $MachinePrecision], 4e+224], N[(N[(y * z), $MachinePrecision] * (-x)), $MachinePrecision], t$95$0]]]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
t_0 := -y \cdot \left(z \cdot x\right)\\
\mathbf{if}\;y \cdot z \leq -4 \cdot 10^{+14}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \cdot z \leq 10^{-10}:\\
\;\;\;\;x\\
\mathbf{elif}\;y \cdot z \leq 4 \cdot 10^{+224}:\\
\;\;\;\;\left(y \cdot z\right) \cdot \left(-x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if (*.f64 y z) < -4e14 or 3.99999999999999988e224 < (*.f64 y z) Initial program 90.2%
Taylor expanded in y around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6497.7
Simplified97.7%
if -4e14 < (*.f64 y z) < 1.00000000000000004e-10Initial program 100.0%
Taylor expanded in y around 0
Simplified97.8%
if 1.00000000000000004e-10 < (*.f64 y z) < 3.99999999999999988e224Initial program 99.7%
Taylor expanded in y around inf
mul-1-negN/A
distribute-rgt-neg-inN/A
mul-1-negN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6496.8
Simplified96.8%
Final simplification97.6%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (let* ((t_0 (* (* y z) (- x)))) (if (<= (* y z) -1000000000.0) t_0 (if (<= (* y z) 1e-10) x t_0))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double t_0 = (y * z) * -x;
double tmp;
if ((y * z) <= -1000000000.0) {
tmp = t_0;
} else if ((y * z) <= 1e-10) {
tmp = x;
} else {
tmp = t_0;
}
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) :: t_0
real(8) :: tmp
t_0 = (y * z) * -x
if ((y * z) <= (-1000000000.0d0)) then
tmp = t_0
else if ((y * z) <= 1d-10) then
tmp = x
else
tmp = t_0
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double t_0 = (y * z) * -x;
double tmp;
if ((y * z) <= -1000000000.0) {
tmp = t_0;
} else if ((y * z) <= 1e-10) {
tmp = x;
} else {
tmp = t_0;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): t_0 = (y * z) * -x tmp = 0 if (y * z) <= -1000000000.0: tmp = t_0 elif (y * z) <= 1e-10: tmp = x else: tmp = t_0 return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) t_0 = Float64(Float64(y * z) * Float64(-x)) tmp = 0.0 if (Float64(y * z) <= -1000000000.0) tmp = t_0; elseif (Float64(y * z) <= 1e-10) tmp = x; else tmp = t_0; end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
t_0 = (y * z) * -x;
tmp = 0.0;
if ((y * z) <= -1000000000.0)
tmp = t_0;
elseif ((y * z) <= 1e-10)
tmp = x;
else
tmp = t_0;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function.
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(y * z), $MachinePrecision] * (-x)), $MachinePrecision]}, If[LessEqual[N[(y * z), $MachinePrecision], -1000000000.0], t$95$0, If[LessEqual[N[(y * z), $MachinePrecision], 1e-10], x, t$95$0]]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
t_0 := \left(y \cdot z\right) \cdot \left(-x\right)\\
\mathbf{if}\;y \cdot z \leq -1000000000:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \cdot z \leq 10^{-10}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if (*.f64 y z) < -1e9 or 1.00000000000000004e-10 < (*.f64 y z) Initial program 93.3%
Taylor expanded in y around inf
mul-1-negN/A
distribute-rgt-neg-inN/A
mul-1-negN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6492.0
Simplified92.0%
if -1e9 < (*.f64 y z) < 1.00000000000000004e-10Initial program 100.0%
Taylor expanded in y around 0
Simplified98.5%
Final simplification95.3%
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+213) (* x (- 1.0 (* y z))) (- (* z (* y x)))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y * z) <= 1e+213) {
tmp = x * (1.0 - (y * z));
} else {
tmp = -(z * (y * 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+213) then
tmp = x * (1.0d0 - (y * z))
else
tmp = -(z * (y * 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+213) {
tmp = x * (1.0 - (y * z));
} else {
tmp = -(z * (y * x));
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y * z) <= 1e+213: tmp = x * (1.0 - (y * z)) else: tmp = -(z * (y * x)) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (Float64(y * z) <= 1e+213) tmp = Float64(x * Float64(1.0 - Float64(y * z))); else tmp = Float64(-Float64(z * Float64(y * 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+213)
tmp = x * (1.0 - (y * z));
else
tmp = -(z * (y * 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+213], N[(x * N[(1.0 - N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], (-N[(z * N[(y * x), $MachinePrecision]), $MachinePrecision])]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \cdot z \leq 10^{+213}:\\
\;\;\;\;x \cdot \left(1 - y \cdot z\right)\\
\mathbf{else}:\\
\;\;\;\;-z \cdot \left(y \cdot x\right)\\
\end{array}
\end{array}
if (*.f64 y z) < 9.99999999999999984e212Initial program 98.3%
if 9.99999999999999984e212 < (*.f64 y z) Initial program 82.6%
Taylor expanded in y around inf
mul-1-negN/A
distribute-rgt-neg-inN/A
mul-1-negN/A
*-lowering-*.f64N/A
mul-1-negN/A
neg-lowering-neg.f6482.6
Simplified82.6%
distribute-rgt-neg-outN/A
distribute-lft-neg-inN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
neg-lowering-neg.f6499.8
Applied egg-rr99.8%
Final simplification98.4%
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 96.6%
Taylor expanded in y around 0
Simplified50.6%
herbie shell --seed 2024199
(FPCore (x y z)
:name "Data.Colour.RGBSpace.HSV:hsv from colour-2.3.3, I"
:precision binary64
(* x (- 1.0 (* y z))))