
(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 7 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 (fma x (- y z) z))
double code(double x, double y, double z) {
return fma(x, (y - z), z);
}
function code(x, y, z) return fma(x, Float64(y - z), z) end
code[x_, y_, z_] := N[(x * N[(y - z), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(x, y - z, z\right)
\end{array}
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (- z))))
(if (<= x -5.3e+275)
t_0
(if (<= x -1.35e+196)
(* x y)
(if (<= x -4e+138)
t_0
(if (<= x -1.42e+38)
(* x y)
(if (<= x -5.4e+17)
t_0
(if (<= x -5.1e-11)
(* x y)
(if (<= x 2.1e-12)
z
(if (or (<= x 5e+48)
(and (not (<= x 2.95e+94))
(or (<= x 1.08e+126) (not (<= x 7e+158)))))
(* x y)
t_0))))))))))
double code(double x, double y, double z) {
double t_0 = x * -z;
double tmp;
if (x <= -5.3e+275) {
tmp = t_0;
} else if (x <= -1.35e+196) {
tmp = x * y;
} else if (x <= -4e+138) {
tmp = t_0;
} else if (x <= -1.42e+38) {
tmp = x * y;
} else if (x <= -5.4e+17) {
tmp = t_0;
} else if (x <= -5.1e-11) {
tmp = x * y;
} else if (x <= 2.1e-12) {
tmp = z;
} else if ((x <= 5e+48) || (!(x <= 2.95e+94) && ((x <= 1.08e+126) || !(x <= 7e+158)))) {
tmp = x * y;
} 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 = x * -z
if (x <= (-5.3d+275)) then
tmp = t_0
else if (x <= (-1.35d+196)) then
tmp = x * y
else if (x <= (-4d+138)) then
tmp = t_0
else if (x <= (-1.42d+38)) then
tmp = x * y
else if (x <= (-5.4d+17)) then
tmp = t_0
else if (x <= (-5.1d-11)) then
tmp = x * y
else if (x <= 2.1d-12) then
tmp = z
else if ((x <= 5d+48) .or. (.not. (x <= 2.95d+94)) .and. (x <= 1.08d+126) .or. (.not. (x <= 7d+158))) then
tmp = x * y
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * -z;
double tmp;
if (x <= -5.3e+275) {
tmp = t_0;
} else if (x <= -1.35e+196) {
tmp = x * y;
} else if (x <= -4e+138) {
tmp = t_0;
} else if (x <= -1.42e+38) {
tmp = x * y;
} else if (x <= -5.4e+17) {
tmp = t_0;
} else if (x <= -5.1e-11) {
tmp = x * y;
} else if (x <= 2.1e-12) {
tmp = z;
} else if ((x <= 5e+48) || (!(x <= 2.95e+94) && ((x <= 1.08e+126) || !(x <= 7e+158)))) {
tmp = x * y;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = x * -z tmp = 0 if x <= -5.3e+275: tmp = t_0 elif x <= -1.35e+196: tmp = x * y elif x <= -4e+138: tmp = t_0 elif x <= -1.42e+38: tmp = x * y elif x <= -5.4e+17: tmp = t_0 elif x <= -5.1e-11: tmp = x * y elif x <= 2.1e-12: tmp = z elif (x <= 5e+48) or (not (x <= 2.95e+94) and ((x <= 1.08e+126) or not (x <= 7e+158))): tmp = x * y else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(x * Float64(-z)) tmp = 0.0 if (x <= -5.3e+275) tmp = t_0; elseif (x <= -1.35e+196) tmp = Float64(x * y); elseif (x <= -4e+138) tmp = t_0; elseif (x <= -1.42e+38) tmp = Float64(x * y); elseif (x <= -5.4e+17) tmp = t_0; elseif (x <= -5.1e-11) tmp = Float64(x * y); elseif (x <= 2.1e-12) tmp = z; elseif ((x <= 5e+48) || (!(x <= 2.95e+94) && ((x <= 1.08e+126) || !(x <= 7e+158)))) tmp = Float64(x * y); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * -z; tmp = 0.0; if (x <= -5.3e+275) tmp = t_0; elseif (x <= -1.35e+196) tmp = x * y; elseif (x <= -4e+138) tmp = t_0; elseif (x <= -1.42e+38) tmp = x * y; elseif (x <= -5.4e+17) tmp = t_0; elseif (x <= -5.1e-11) tmp = x * y; elseif (x <= 2.1e-12) tmp = z; elseif ((x <= 5e+48) || (~((x <= 2.95e+94)) && ((x <= 1.08e+126) || ~((x <= 7e+158))))) tmp = x * y; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * (-z)), $MachinePrecision]}, If[LessEqual[x, -5.3e+275], t$95$0, If[LessEqual[x, -1.35e+196], N[(x * y), $MachinePrecision], If[LessEqual[x, -4e+138], t$95$0, If[LessEqual[x, -1.42e+38], N[(x * y), $MachinePrecision], If[LessEqual[x, -5.4e+17], t$95$0, If[LessEqual[x, -5.1e-11], N[(x * y), $MachinePrecision], If[LessEqual[x, 2.1e-12], z, If[Or[LessEqual[x, 5e+48], And[N[Not[LessEqual[x, 2.95e+94]], $MachinePrecision], Or[LessEqual[x, 1.08e+126], N[Not[LessEqual[x, 7e+158]], $MachinePrecision]]]], N[(x * y), $MachinePrecision], t$95$0]]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(-z\right)\\
\mathbf{if}\;x \leq -5.3 \cdot 10^{+275}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;x \leq -1.35 \cdot 10^{+196}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -4 \cdot 10^{+138}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;x \leq -1.42 \cdot 10^{+38}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -5.4 \cdot 10^{+17}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;x \leq -5.1 \cdot 10^{-11}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 2.1 \cdot 10^{-12}:\\
\;\;\;\;z\\
\mathbf{elif}\;x \leq 5 \cdot 10^{+48} \lor \neg \left(x \leq 2.95 \cdot 10^{+94}\right) \land \left(x \leq 1.08 \cdot 10^{+126} \lor \neg \left(x \leq 7 \cdot 10^{+158}\right)\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= x -1.35e-11) (not (<= x 1.6e-12))) (* x (- y z)) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.35e-11) || !(x <= 1.6e-12)) {
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 <= (-1.35d-11)) .or. (.not. (x <= 1.6d-12))) 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 <= -1.35e-11) || !(x <= 1.6e-12)) {
tmp = x * (y - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.35e-11) or not (x <= 1.6e-12): tmp = x * (y - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.35e-11) || !(x <= 1.6e-12)) 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 <= -1.35e-11) || ~((x <= 1.6e-12))) tmp = x * (y - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.35e-11], N[Not[LessEqual[x, 1.6e-12]], $MachinePrecision]], N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.35 \cdot 10^{-11} \lor \neg \left(x \leq 1.6 \cdot 10^{-12}\right):\\
\;\;\;\;x \cdot \left(y - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= x -25000000000000.0) (not (<= x 4.8e-11))) (* x (- y z)) (+ z (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -25000000000000.0) || !(x <= 4.8e-11)) {
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 <= (-25000000000000.0d0)) .or. (.not. (x <= 4.8d-11))) 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 <= -25000000000000.0) || !(x <= 4.8e-11)) {
tmp = x * (y - z);
} else {
tmp = z + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -25000000000000.0) or not (x <= 4.8e-11): tmp = x * (y - z) else: tmp = z + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -25000000000000.0) || !(x <= 4.8e-11)) 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 <= -25000000000000.0) || ~((x <= 4.8e-11))) tmp = x * (y - z); else tmp = z + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -25000000000000.0], N[Not[LessEqual[x, 4.8e-11]], $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 -25000000000000 \lor \neg \left(x \leq 4.8 \cdot 10^{-11}\right):\\
\;\;\;\;x \cdot \left(y - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + x \cdot y\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= x -8.3e-13) (not (<= x 3.3e-11))) (* x y) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8.3e-13) || !(x <= 3.3e-11)) {
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 <= (-8.3d-13)) .or. (.not. (x <= 3.3d-11))) 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 <= -8.3e-13) || !(x <= 3.3e-11)) {
tmp = x * y;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8.3e-13) or not (x <= 3.3e-11): tmp = x * y else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8.3e-13) || !(x <= 3.3e-11)) tmp = Float64(x * y); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -8.3e-13) || ~((x <= 3.3e-11))) tmp = x * y; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8.3e-13], N[Not[LessEqual[x, 3.3e-11]], $MachinePrecision]], N[(x * y), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8.3 \cdot 10^{-13} \lor \neg \left(x \leq 3.3 \cdot 10^{-11}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\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]), $MachinePrecision]
\begin{array}{l}
\\
z + x \cdot \left(y - z\right)
\end{array}
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
herbie shell --seed 2023348
(FPCore (x y z)
:name "Diagrams.Backend.Rasterific:$crender from diagrams-rasterific-1.3.1.3"
:precision binary64
(+ (* x y) (* (- 1.0 x) z)))