
(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 (- y z))))
double code(double x, double y, double z) {
return z + (x * (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 = z + (x * (y - z))
end function
public static double code(double x, double y, double z) {
return z + (x * (y - z));
}
def code(x, y, z): return z + (x * (y - z))
function code(x, y, z) return Float64(z + Float64(x * Float64(y - z))) end
function tmp = code(x, y, z) tmp = z + (x * (y - z)); end
code[x_, y_, z_] := N[(z + N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z + x \cdot \left(y - z\right)
\end{array}
Initial program 96.5%
+-commutative96.5%
remove-double-neg96.5%
distribute-rgt-neg-out96.5%
neg-sub096.5%
neg-sub096.5%
*-commutative96.5%
distribute-lft-neg-in96.5%
remove-double-neg96.5%
distribute-rgt-out--96.5%
*-lft-identity96.5%
associate-+l-96.5%
distribute-lft-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (<= x -260.0) (* z (- x)) (if (or (<= x -4.6e-61) (not (<= x 3.1e-45))) (* x y) z)))
double code(double x, double y, double z) {
double tmp;
if (x <= -260.0) {
tmp = z * -x;
} else if ((x <= -4.6e-61) || !(x <= 3.1e-45)) {
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 <= (-260.0d0)) then
tmp = z * -x
else if ((x <= (-4.6d-61)) .or. (.not. (x <= 3.1d-45))) 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 <= -260.0) {
tmp = z * -x;
} else if ((x <= -4.6e-61) || !(x <= 3.1e-45)) {
tmp = x * y;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -260.0: tmp = z * -x elif (x <= -4.6e-61) or not (x <= 3.1e-45): tmp = x * y else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if (x <= -260.0) tmp = Float64(z * Float64(-x)); elseif ((x <= -4.6e-61) || !(x <= 3.1e-45)) tmp = Float64(x * y); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -260.0) tmp = z * -x; elseif ((x <= -4.6e-61) || ~((x <= 3.1e-45))) tmp = x * y; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -260.0], N[(z * (-x)), $MachinePrecision], If[Or[LessEqual[x, -4.6e-61], N[Not[LessEqual[x, 3.1e-45]], $MachinePrecision]], N[(x * y), $MachinePrecision], z]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -260:\\
\;\;\;\;z \cdot \left(-x\right)\\
\mathbf{elif}\;x \leq -4.6 \cdot 10^{-61} \lor \neg \left(x \leq 3.1 \cdot 10^{-45}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if x < -260Initial program 92.4%
Taylor expanded in x around inf 98.2%
neg-mul-198.2%
sub-neg98.2%
Simplified98.2%
Taylor expanded in y around 0 62.8%
neg-mul-162.8%
*-commutative62.8%
distribute-rgt-neg-in62.8%
Simplified62.8%
if -260 < x < -4.59999999999999984e-61 or 3.1000000000000001e-45 < x Initial program 95.1%
Taylor expanded in y around inf 55.3%
if -4.59999999999999984e-61 < x < 3.1000000000000001e-45Initial program 100.0%
Taylor expanded in x around 0 100.0%
Taylor expanded in x around 0 81.3%
Final simplification68.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -140.0) (not (<= x 1.0))) (* x (- y z)) (+ z (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -140.0) || !(x <= 1.0)) {
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 <= (-140.0d0)) .or. (.not. (x <= 1.0d0))) 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 <= -140.0) || !(x <= 1.0)) {
tmp = x * (y - z);
} else {
tmp = z + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -140.0) or not (x <= 1.0): tmp = x * (y - z) else: tmp = z + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -140.0) || !(x <= 1.0)) 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 <= -140.0) || ~((x <= 1.0))) tmp = x * (y - z); else tmp = z + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -140.0], N[Not[LessEqual[x, 1.0]], $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 -140 \lor \neg \left(x \leq 1\right):\\
\;\;\;\;x \cdot \left(y - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + x \cdot y\\
\end{array}
\end{array}
if x < -140 or 1 < x Initial program 92.7%
Taylor expanded in x around inf 98.3%
neg-mul-198.3%
sub-neg98.3%
Simplified98.3%
if -140 < x < 1Initial program 100.0%
Taylor expanded in x around 0 99.1%
Final simplification98.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -8.5e-61) (not (<= x 3.1e-45))) (* x (- y z)) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8.5e-61) || !(x <= 3.1e-45)) {
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 <= (-8.5d-61)) .or. (.not. (x <= 3.1d-45))) 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 <= -8.5e-61) || !(x <= 3.1e-45)) {
tmp = x * (y - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8.5e-61) or not (x <= 3.1e-45): tmp = x * (y - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8.5e-61) || !(x <= 3.1e-45)) 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 <= -8.5e-61) || ~((x <= 3.1e-45))) tmp = x * (y - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8.5e-61], N[Not[LessEqual[x, 3.1e-45]], $MachinePrecision]], N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8.5 \cdot 10^{-61} \lor \neg \left(x \leq 3.1 \cdot 10^{-45}\right):\\
\;\;\;\;x \cdot \left(y - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if x < -8.50000000000000016e-61 or 3.1000000000000001e-45 < x Initial program 93.9%
Taylor expanded in x around inf 92.2%
neg-mul-192.2%
sub-neg92.2%
Simplified92.2%
if -8.50000000000000016e-61 < x < 3.1000000000000001e-45Initial program 100.0%
Taylor expanded in x around 0 100.0%
Taylor expanded in x around 0 81.3%
Final simplification87.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -6.2e-61) (not (<= x 3.1e-45))) (* x y) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -6.2e-61) || !(x <= 3.1e-45)) {
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 <= (-6.2d-61)) .or. (.not. (x <= 3.1d-45))) 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 <= -6.2e-61) || !(x <= 3.1e-45)) {
tmp = x * y;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -6.2e-61) or not (x <= 3.1e-45): tmp = x * y else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -6.2e-61) || !(x <= 3.1e-45)) tmp = Float64(x * y); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -6.2e-61) || ~((x <= 3.1e-45))) tmp = x * y; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -6.2e-61], N[Not[LessEqual[x, 3.1e-45]], $MachinePrecision]], N[(x * y), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6.2 \cdot 10^{-61} \lor \neg \left(x \leq 3.1 \cdot 10^{-45}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if x < -6.1999999999999999e-61 or 3.1000000000000001e-45 < x Initial program 93.9%
Taylor expanded in y around inf 47.7%
if -6.1999999999999999e-61 < x < 3.1000000000000001e-45Initial program 100.0%
Taylor expanded in x around 0 100.0%
Taylor expanded in x around 0 81.3%
Final simplification61.8%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
Initial program 96.5%
Taylor expanded in x around 0 73.2%
Taylor expanded in x around 0 39.4%
herbie shell --seed 2024133
(FPCore (x y z)
:name "Diagrams.Backend.Rasterific:$crender from diagrams-rasterific-1.3.1.3"
:precision binary64
(+ (* x y) (* (- 1.0 x) z)))