
(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}
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* z (- x))))
(if (<= x -1.4e+225)
(* x y)
(if (<= x -1.85e+90)
t_0
(if (<= x -5.8e+65)
(* x y)
(if (<= x -0.8)
t_0
(if (<= x -1.08e-51)
(* x y)
(if (<= x 3.5e-82)
z
(if (or (<= x 33000000.0)
(and (not (<= x 5e+212)) (<= x 2.1e+253)))
(* x y)
t_0)))))))))
double code(double x, double y, double z) {
double t_0 = z * -x;
double tmp;
if (x <= -1.4e+225) {
tmp = x * y;
} else if (x <= -1.85e+90) {
tmp = t_0;
} else if (x <= -5.8e+65) {
tmp = x * y;
} else if (x <= -0.8) {
tmp = t_0;
} else if (x <= -1.08e-51) {
tmp = x * y;
} else if (x <= 3.5e-82) {
tmp = z;
} else if ((x <= 33000000.0) || (!(x <= 5e+212) && (x <= 2.1e+253))) {
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 = z * -x
if (x <= (-1.4d+225)) then
tmp = x * y
else if (x <= (-1.85d+90)) then
tmp = t_0
else if (x <= (-5.8d+65)) then
tmp = x * y
else if (x <= (-0.8d0)) then
tmp = t_0
else if (x <= (-1.08d-51)) then
tmp = x * y
else if (x <= 3.5d-82) then
tmp = z
else if ((x <= 33000000.0d0) .or. (.not. (x <= 5d+212)) .and. (x <= 2.1d+253)) 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 = z * -x;
double tmp;
if (x <= -1.4e+225) {
tmp = x * y;
} else if (x <= -1.85e+90) {
tmp = t_0;
} else if (x <= -5.8e+65) {
tmp = x * y;
} else if (x <= -0.8) {
tmp = t_0;
} else if (x <= -1.08e-51) {
tmp = x * y;
} else if (x <= 3.5e-82) {
tmp = z;
} else if ((x <= 33000000.0) || (!(x <= 5e+212) && (x <= 2.1e+253))) {
tmp = x * y;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = z * -x tmp = 0 if x <= -1.4e+225: tmp = x * y elif x <= -1.85e+90: tmp = t_0 elif x <= -5.8e+65: tmp = x * y elif x <= -0.8: tmp = t_0 elif x <= -1.08e-51: tmp = x * y elif x <= 3.5e-82: tmp = z elif (x <= 33000000.0) or (not (x <= 5e+212) and (x <= 2.1e+253)): tmp = x * y else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(z * Float64(-x)) tmp = 0.0 if (x <= -1.4e+225) tmp = Float64(x * y); elseif (x <= -1.85e+90) tmp = t_0; elseif (x <= -5.8e+65) tmp = Float64(x * y); elseif (x <= -0.8) tmp = t_0; elseif (x <= -1.08e-51) tmp = Float64(x * y); elseif (x <= 3.5e-82) tmp = z; elseif ((x <= 33000000.0) || (!(x <= 5e+212) && (x <= 2.1e+253))) tmp = Float64(x * y); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = z * -x; tmp = 0.0; if (x <= -1.4e+225) tmp = x * y; elseif (x <= -1.85e+90) tmp = t_0; elseif (x <= -5.8e+65) tmp = x * y; elseif (x <= -0.8) tmp = t_0; elseif (x <= -1.08e-51) tmp = x * y; elseif (x <= 3.5e-82) tmp = z; elseif ((x <= 33000000.0) || (~((x <= 5e+212)) && (x <= 2.1e+253))) tmp = x * y; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(z * (-x)), $MachinePrecision]}, If[LessEqual[x, -1.4e+225], N[(x * y), $MachinePrecision], If[LessEqual[x, -1.85e+90], t$95$0, If[LessEqual[x, -5.8e+65], N[(x * y), $MachinePrecision], If[LessEqual[x, -0.8], t$95$0, If[LessEqual[x, -1.08e-51], N[(x * y), $MachinePrecision], If[LessEqual[x, 3.5e-82], z, If[Or[LessEqual[x, 33000000.0], And[N[Not[LessEqual[x, 5e+212]], $MachinePrecision], LessEqual[x, 2.1e+253]]], N[(x * y), $MachinePrecision], t$95$0]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \left(-x\right)\\
\mathbf{if}\;x \leq -1.4 \cdot 10^{+225}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -1.85 \cdot 10^{+90}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;x \leq -5.8 \cdot 10^{+65}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -0.8:\\
\;\;\;\;t_0\\
\mathbf{elif}\;x \leq -1.08 \cdot 10^{-51}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 3.5 \cdot 10^{-82}:\\
\;\;\;\;z\\
\mathbf{elif}\;x \leq 33000000 \lor \neg \left(x \leq 5 \cdot 10^{+212}\right) \land x \leq 2.1 \cdot 10^{+253}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= x -1.4e-51) (not (<= x 3.5e-82))) (* x (- y z)) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.4e-51) || !(x <= 3.5e-82)) {
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 <= (-1.4d-51)) .or. (.not. (x <= 3.5d-82))) 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 <= -1.4e-51) || !(x <= 3.5e-82)) {
tmp = x * (y - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.4e-51) or not (x <= 3.5e-82): tmp = x * (y - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.4e-51) || !(x <= 3.5e-82)) 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 <= -1.4e-51) || ~((x <= 3.5e-82))) tmp = x * (y - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.4e-51], N[Not[LessEqual[x, 3.5e-82]], $MachinePrecision]], N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.4 \cdot 10^{-51} \lor \neg \left(x \leq 3.5 \cdot 10^{-82}\right):\\
\;\;\;\;x \cdot \left(y - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= x -1.0) (not (<= x 1.0))) (* x (- y z)) (+ z (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.0) || !(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 <= (-1.0d0)) .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 <= -1.0) || !(x <= 1.0)) {
tmp = x * (y - z);
} else {
tmp = z + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.0) 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 <= -1.0) || !(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 <= -1.0) || ~((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, -1.0], 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 -1 \lor \neg \left(x \leq 1\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 -1.5e-51) (not (<= x 1.52e-86))) (* x y) z))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.5e-51) || !(x <= 1.52e-86)) {
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 <= (-1.5d-51)) .or. (.not. (x <= 1.52d-86))) 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 <= -1.5e-51) || !(x <= 1.52e-86)) {
tmp = x * y;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.5e-51) or not (x <= 1.52e-86): tmp = x * y else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.5e-51) || !(x <= 1.52e-86)) tmp = Float64(x * y); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -1.5e-51) || ~((x <= 1.52e-86))) tmp = x * y; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.5e-51], N[Not[LessEqual[x, 1.52e-86]], $MachinePrecision]], N[(x * y), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.5 \cdot 10^{-51} \lor \neg \left(x \leq 1.52 \cdot 10^{-86}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
herbie shell --seed 2023347
(FPCore (x y z)
:name "Diagrams.Backend.Rasterific:$crender from diagrams-rasterific-1.3.1.3"
:precision binary64
(+ (* x y) (* (- 1.0 x) z)))