
(FPCore (x y z) :precision binary64 (+ (* x y) (* (- 1.0 x) z)))
double code(double x, double y, double z) {
return (x * y) + ((1.0 - x) * 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) + ((1.0d0 - x) * z)
end function
public static double code(double x, double y, double z) {
return (x * y) + ((1.0 - x) * z);
}
def code(x, y, z): return (x * y) + ((1.0 - x) * z)
function code(x, y, z) return Float64(Float64(x * y) + Float64(Float64(1.0 - x) * z)) end
function tmp = code(x, y, z) tmp = (x * y) + ((1.0 - x) * z); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(N[(1.0 - x), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + \left(1 - x\right) \cdot z
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x y) (* (- 1.0 x) z)))
double code(double x, double y, double z) {
return (x * y) + ((1.0 - x) * 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) + ((1.0d0 - x) * z)
end function
public static double code(double x, double y, double z) {
return (x * y) + ((1.0 - x) * z);
}
def code(x, y, z): return (x * y) + ((1.0 - x) * z)
function code(x, y, z) return Float64(Float64(x * y) + Float64(Float64(1.0 - x) * z)) end
function tmp = code(x, y, z) tmp = (x * y) + ((1.0 - x) * z); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(N[(1.0 - x), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + \left(1 - x\right) \cdot z
\end{array}
(FPCore (x y z) :precision binary64 (- z (* x (- z y))))
double code(double x, double y, double z) {
return z - (x * (z - y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z - (x * (z - y))
end function
public static double code(double x, double y, double z) {
return z - (x * (z - y));
}
def code(x, y, z): return z - (x * (z - y))
function code(x, y, z) return Float64(z - Float64(x * Float64(z - y))) end
function tmp = code(x, y, z) tmp = z - (x * (z - y)); end
code[x_, y_, z_] := N[(z - N[(x * N[(z - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z - x \cdot \left(z - y\right)
\end{array}
Initial program 98.4%
+-commutative98.4%
remove-double-neg98.4%
distribute-rgt-neg-out98.4%
neg-sub098.4%
neg-sub098.4%
*-commutative98.4%
distribute-lft-neg-in98.4%
remove-double-neg98.4%
distribute-rgt-out--98.4%
*-lft-identity98.4%
associate-+l-98.4%
distribute-lft-out--100.0%
Simplified100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* z (- x))))
(if (<= x -1.6e+100)
t_0
(if (<= x -6.8e-13) (* x y) (if (<= x 3.2) z t_0)))))
double code(double x, double y, double z) {
double t_0 = z * -x;
double tmp;
if (x <= -1.6e+100) {
tmp = t_0;
} else if (x <= -6.8e-13) {
tmp = x * y;
} else if (x <= 3.2) {
tmp = z;
} 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 = z * -x
if (x <= (-1.6d+100)) then
tmp = t_0
else if (x <= (-6.8d-13)) then
tmp = x * y
else if (x <= 3.2d0) then
tmp = z
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = z * -x;
double tmp;
if (x <= -1.6e+100) {
tmp = t_0;
} else if (x <= -6.8e-13) {
tmp = x * y;
} else if (x <= 3.2) {
tmp = z;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = z * -x tmp = 0 if x <= -1.6e+100: tmp = t_0 elif x <= -6.8e-13: tmp = x * y elif x <= 3.2: tmp = z else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(z * Float64(-x)) tmp = 0.0 if (x <= -1.6e+100) tmp = t_0; elseif (x <= -6.8e-13) tmp = Float64(x * y); elseif (x <= 3.2) tmp = z; else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = z * -x; tmp = 0.0; if (x <= -1.6e+100) tmp = t_0; elseif (x <= -6.8e-13) tmp = x * y; elseif (x <= 3.2) tmp = z; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(z * (-x)), $MachinePrecision]}, If[LessEqual[x, -1.6e+100], t$95$0, If[LessEqual[x, -6.8e-13], N[(x * y), $MachinePrecision], If[LessEqual[x, 3.2], z, t$95$0]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \left(-x\right)\\
\mathbf{if}\;x \leq -1.6 \cdot 10^{+100}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;x \leq -6.8 \cdot 10^{-13}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 3.2:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if x < -1.5999999999999999e100 or 3.2000000000000002 < x Initial program 96.9%
Taylor expanded in x around inf 98.4%
mul-1-neg98.4%
sub-neg98.4%
Simplified98.4%
Taylor expanded in y around 0 58.9%
associate-*r*58.9%
neg-mul-158.9%
*-commutative58.9%
Simplified58.9%
if -1.5999999999999999e100 < x < -6.80000000000000031e-13Initial program 94.1%
Taylor expanded in y around inf 71.2%
if -6.80000000000000031e-13 < x < 3.2000000000000002Initial program 100.0%
Taylor expanded in x around 0 99.8%
Taylor expanded in x around 0 72.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -8.6) (not (<= x 1.35e-14))) (* x (- y z)) (+ z (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8.6) || !(x <= 1.35e-14)) {
tmp = x * (y - z);
} else {
tmp = z + (x * y);
}
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 ((x <= (-8.6d0)) .or. (.not. (x <= 1.35d-14))) then
tmp = x * (y - z)
else
tmp = z + (x * y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -8.6) || !(x <= 1.35e-14)) {
tmp = x * (y - z);
} else {
tmp = z + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8.6) or not (x <= 1.35e-14): tmp = x * (y - z) else: tmp = z + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8.6) || !(x <= 1.35e-14)) tmp = Float64(x * Float64(y - z)); else tmp = Float64(z + Float64(x * y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -8.6) || ~((x <= 1.35e-14))) tmp = x * (y - z); else tmp = z + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8.6], N[Not[LessEqual[x, 1.35e-14]], $MachinePrecision]], N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision], N[(z + N[(x * y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8.6 \lor \neg \left(x \leq 1.35 \cdot 10^{-14}\right):\\
\;\;\;\;x \cdot \left(y - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + x \cdot y\\
\end{array}
\end{array}
if x < -8.59999999999999964 or 1.3499999999999999e-14 < x Initial program 96.5%
Taylor expanded in x around inf 98.3%
mul-1-neg98.3%
sub-neg98.3%
Simplified98.3%
if -8.59999999999999964 < x < 1.3499999999999999e-14Initial program 100.0%
Taylor expanded in x around 0 99.8%
Final simplification99.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.8e-13) (not (<= x 7.4e-15))) (* x (- y z)) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.8e-13) || !(x <= 7.4e-15)) {
tmp = x * (y - z);
} else {
tmp = 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 ((x <= (-5.8d-13)) .or. (.not. (x <= 7.4d-15))) then
tmp = x * (y - z)
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -5.8e-13) || !(x <= 7.4e-15)) {
tmp = x * (y - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.8e-13) or not (x <= 7.4e-15): tmp = x * (y - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.8e-13) || !(x <= 7.4e-15)) tmp = Float64(x * Float64(y - z)); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -5.8e-13) || ~((x <= 7.4e-15))) tmp = x * (y - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.8e-13], N[Not[LessEqual[x, 7.4e-15]], $MachinePrecision]], N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.8 \cdot 10^{-13} \lor \neg \left(x \leq 7.4 \cdot 10^{-15}\right):\\
\;\;\;\;x \cdot \left(y - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if x < -5.7999999999999995e-13 or 7.40000000000000034e-15 < x Initial program 96.5%
Taylor expanded in x around inf 98.3%
mul-1-neg98.3%
sub-neg98.3%
Simplified98.3%
if -5.7999999999999995e-13 < x < 7.40000000000000034e-15Initial program 100.0%
Taylor expanded in x around 0 99.8%
Taylor expanded in x around 0 74.3%
Final simplification85.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -6.8e-13) (not (<= x 5e-15))) (* x y) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -6.8e-13) || !(x <= 5e-15)) {
tmp = x * y;
} else {
tmp = 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 ((x <= (-6.8d-13)) .or. (.not. (x <= 5d-15))) then
tmp = x * y
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -6.8e-13) || !(x <= 5e-15)) {
tmp = x * y;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -6.8e-13) or not (x <= 5e-15): tmp = x * y else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -6.8e-13) || !(x <= 5e-15)) tmp = Float64(x * y); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -6.8e-13) || ~((x <= 5e-15))) tmp = x * y; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -6.8e-13], N[Not[LessEqual[x, 5e-15]], $MachinePrecision]], N[(x * y), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6.8 \cdot 10^{-13} \lor \neg \left(x \leq 5 \cdot 10^{-15}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if x < -6.80000000000000031e-13 or 4.99999999999999999e-15 < x Initial program 96.5%
Taylor expanded in y around inf 51.5%
if -6.80000000000000031e-13 < x < 4.99999999999999999e-15Initial program 100.0%
Taylor expanded in x around 0 99.8%
Taylor expanded in x around 0 74.3%
Final simplification63.8%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
Initial program 98.4%
Taylor expanded in x around 0 77.7%
Taylor expanded in x around 0 41.3%
herbie shell --seed 2024147
(FPCore (x y z)
:name "Diagrams.Backend.Rasterific:$crender from diagrams-rasterific-1.3.1.3"
:precision binary64
(+ (* x y) (* (- 1.0 x) z)))