
(FPCore (x y z) :precision binary64 (+ (* (- 1.0 x) y) (* x z)))
double code(double x, double y, double z) {
return ((1.0 - x) * y) + (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 = ((1.0d0 - x) * y) + (x * z)
end function
public static double code(double x, double y, double z) {
return ((1.0 - x) * y) + (x * z);
}
def code(x, y, z): return ((1.0 - x) * y) + (x * z)
function code(x, y, z) return Float64(Float64(Float64(1.0 - x) * y) + Float64(x * z)) end
function tmp = code(x, y, z) tmp = ((1.0 - x) * y) + (x * z); end
code[x_, y_, z_] := N[(N[(N[(1.0 - x), $MachinePrecision] * y), $MachinePrecision] + N[(x * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - x\right) \cdot y + x \cdot z
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* (- 1.0 x) y) (* x z)))
double code(double x, double y, double z) {
return ((1.0 - x) * y) + (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 = ((1.0d0 - x) * y) + (x * z)
end function
public static double code(double x, double y, double z) {
return ((1.0 - x) * y) + (x * z);
}
def code(x, y, z): return ((1.0 - x) * y) + (x * z)
function code(x, y, z) return Float64(Float64(Float64(1.0 - x) * y) + Float64(x * z)) end
function tmp = code(x, y, z) tmp = ((1.0 - x) * y) + (x * z); end
code[x_, y_, z_] := N[(N[(N[(1.0 - x), $MachinePrecision] * y), $MachinePrecision] + N[(x * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - x\right) \cdot y + x \cdot z
\end{array}
(FPCore (x y z) :precision binary64 (fma x (- z y) y))
double code(double x, double y, double z) {
return fma(x, (z - y), y);
}
function code(x, y, z) return fma(x, Float64(z - y), y) end
code[x_, y_, z_] := N[(x * N[(z - y), $MachinePrecision] + y), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(x, z - y, y\right)
\end{array}
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (- y))))
(if (<= x -2.8e+16)
t_0
(if (<= x -1.1e-19)
(* x z)
(if (<= x 1.95e-11)
y
(if (or (<= x 7.5e+17)
(not
(or (<= x 2.3e+52)
(and (not (<= x 2e+208)) (<= x 4.5e+284)))))
(* x z)
t_0))))))
double code(double x, double y, double z) {
double t_0 = x * -y;
double tmp;
if (x <= -2.8e+16) {
tmp = t_0;
} else if (x <= -1.1e-19) {
tmp = x * z;
} else if (x <= 1.95e-11) {
tmp = y;
} else if ((x <= 7.5e+17) || !((x <= 2.3e+52) || (!(x <= 2e+208) && (x <= 4.5e+284)))) {
tmp = x * 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 = x * -y
if (x <= (-2.8d+16)) then
tmp = t_0
else if (x <= (-1.1d-19)) then
tmp = x * z
else if (x <= 1.95d-11) then
tmp = y
else if ((x <= 7.5d+17) .or. (.not. (x <= 2.3d+52) .or. (.not. (x <= 2d+208)) .and. (x <= 4.5d+284))) then
tmp = x * z
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * -y;
double tmp;
if (x <= -2.8e+16) {
tmp = t_0;
} else if (x <= -1.1e-19) {
tmp = x * z;
} else if (x <= 1.95e-11) {
tmp = y;
} else if ((x <= 7.5e+17) || !((x <= 2.3e+52) || (!(x <= 2e+208) && (x <= 4.5e+284)))) {
tmp = x * z;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = x * -y tmp = 0 if x <= -2.8e+16: tmp = t_0 elif x <= -1.1e-19: tmp = x * z elif x <= 1.95e-11: tmp = y elif (x <= 7.5e+17) or not ((x <= 2.3e+52) or (not (x <= 2e+208) and (x <= 4.5e+284))): tmp = x * z else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(x * Float64(-y)) tmp = 0.0 if (x <= -2.8e+16) tmp = t_0; elseif (x <= -1.1e-19) tmp = Float64(x * z); elseif (x <= 1.95e-11) tmp = y; elseif ((x <= 7.5e+17) || !((x <= 2.3e+52) || (!(x <= 2e+208) && (x <= 4.5e+284)))) tmp = Float64(x * z); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * -y; tmp = 0.0; if (x <= -2.8e+16) tmp = t_0; elseif (x <= -1.1e-19) tmp = x * z; elseif (x <= 1.95e-11) tmp = y; elseif ((x <= 7.5e+17) || ~(((x <= 2.3e+52) || (~((x <= 2e+208)) && (x <= 4.5e+284))))) tmp = x * z; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * (-y)), $MachinePrecision]}, If[LessEqual[x, -2.8e+16], t$95$0, If[LessEqual[x, -1.1e-19], N[(x * z), $MachinePrecision], If[LessEqual[x, 1.95e-11], y, If[Or[LessEqual[x, 7.5e+17], N[Not[Or[LessEqual[x, 2.3e+52], And[N[Not[LessEqual[x, 2e+208]], $MachinePrecision], LessEqual[x, 4.5e+284]]]], $MachinePrecision]], N[(x * z), $MachinePrecision], t$95$0]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(-y\right)\\
\mathbf{if}\;x \leq -2.8 \cdot 10^{+16}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;x \leq -1.1 \cdot 10^{-19}:\\
\;\;\;\;x \cdot z\\
\mathbf{elif}\;x \leq 1.95 \cdot 10^{-11}:\\
\;\;\;\;y\\
\mathbf{elif}\;x \leq 7.5 \cdot 10^{+17} \lor \neg \left(x \leq 2.3 \cdot 10^{+52} \lor \neg \left(x \leq 2 \cdot 10^{+208}\right) \land x \leq 4.5 \cdot 10^{+284}\right):\\
\;\;\;\;x \cdot z\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= z -1.8e+76) (not (<= z 11000000000.0))) (* x z) (* y (- 1.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.8e+76) || !(z <= 11000000000.0)) {
tmp = x * z;
} else {
tmp = y * (1.0 - x);
}
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 ((z <= (-1.8d+76)) .or. (.not. (z <= 11000000000.0d0))) then
tmp = x * z
else
tmp = y * (1.0d0 - x)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -1.8e+76) || !(z <= 11000000000.0)) {
tmp = x * z;
} else {
tmp = y * (1.0 - x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.8e+76) or not (z <= 11000000000.0): tmp = x * z else: tmp = y * (1.0 - x) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.8e+76) || !(z <= 11000000000.0)) tmp = Float64(x * z); else tmp = Float64(y * Float64(1.0 - x)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -1.8e+76) || ~((z <= 11000000000.0))) tmp = x * z; else tmp = y * (1.0 - x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.8e+76], N[Not[LessEqual[z, 11000000000.0]], $MachinePrecision]], N[(x * z), $MachinePrecision], N[(y * N[(1.0 - x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.8 \cdot 10^{+76} \lor \neg \left(z \leq 11000000000\right):\\
\;\;\;\;x \cdot z\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(1 - x\right)\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= y -5.8e-24) (not (<= y 1.4e+46))) (* y (- 1.0 x)) (+ y (* x z))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -5.8e-24) || !(y <= 1.4e+46)) {
tmp = y * (1.0 - x);
} else {
tmp = y + (x * 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 ((y <= (-5.8d-24)) .or. (.not. (y <= 1.4d+46))) then
tmp = y * (1.0d0 - x)
else
tmp = y + (x * z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -5.8e-24) || !(y <= 1.4e+46)) {
tmp = y * (1.0 - x);
} else {
tmp = y + (x * z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -5.8e-24) or not (y <= 1.4e+46): tmp = y * (1.0 - x) else: tmp = y + (x * z) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -5.8e-24) || !(y <= 1.4e+46)) tmp = Float64(y * Float64(1.0 - x)); else tmp = Float64(y + Float64(x * z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -5.8e-24) || ~((y <= 1.4e+46))) tmp = y * (1.0 - x); else tmp = y + (x * z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -5.8e-24], N[Not[LessEqual[y, 1.4e+46]], $MachinePrecision]], N[(y * N[(1.0 - x), $MachinePrecision]), $MachinePrecision], N[(y + N[(x * z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -5.8 \cdot 10^{-24} \lor \neg \left(y \leq 1.4 \cdot 10^{+46}\right):\\
\;\;\;\;y \cdot \left(1 - x\right)\\
\mathbf{else}:\\
\;\;\;\;y + x \cdot z\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= x -1.16e-21) (not (<= x 2.4e-12))) (* x z) y))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.16e-21) || !(x <= 2.4e-12)) {
tmp = x * z;
} else {
tmp = 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 <= (-1.16d-21)) .or. (.not. (x <= 2.4d-12))) then
tmp = x * z
else
tmp = y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -1.16e-21) || !(x <= 2.4e-12)) {
tmp = x * z;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.16e-21) or not (x <= 2.4e-12): tmp = x * z else: tmp = y return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.16e-21) || !(x <= 2.4e-12)) tmp = Float64(x * z); else tmp = y; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -1.16e-21) || ~((x <= 2.4e-12))) tmp = x * z; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.16e-21], N[Not[LessEqual[x, 2.4e-12]], $MachinePrecision]], N[(x * z), $MachinePrecision], y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.16 \cdot 10^{-21} \lor \neg \left(x \leq 2.4 \cdot 10^{-12}\right):\\
\;\;\;\;x \cdot z\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (+ y (* x (- z y))))
double code(double x, double y, double z) {
return y + (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 = y + (x * (z - y))
end function
public static double code(double x, double y, double z) {
return y + (x * (z - y));
}
def code(x, y, z): return y + (x * (z - y))
function code(x, y, z) return Float64(y + Float64(x * Float64(z - y))) end
function tmp = code(x, y, z) tmp = y + (x * (z - y)); end
code[x_, y_, z_] := N[(y + N[(x * N[(z - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
y + x \cdot \left(z - y\right)
\end{array}
(FPCore (x y z) :precision binary64 y)
double code(double x, double y, double z) {
return y;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = y
end function
public static double code(double x, double y, double z) {
return y;
}
def code(x, y, z): return y
function code(x, y, z) return y end
function tmp = code(x, y, z) tmp = y; end
code[x_, y_, z_] := y
\begin{array}{l}
\\
y
\end{array}
(FPCore (x y z) :precision binary64 (- y (* x (- y z))))
double code(double x, double y, double z) {
return y - (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 = y - (x * (y - z))
end function
public static double code(double x, double y, double z) {
return y - (x * (y - z));
}
def code(x, y, z): return y - (x * (y - z))
function code(x, y, z) return Float64(y - Float64(x * Float64(y - z))) end
function tmp = code(x, y, z) tmp = y - (x * (y - z)); end
code[x_, y_, z_] := N[(y - N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
y - x \cdot \left(y - z\right)
\end{array}
herbie shell --seed 2023350
(FPCore (x y z)
:name "Diagrams.Color.HSV:lerp from diagrams-contrib-1.3.0.5"
:precision binary64
:herbie-target
(- y (* x (- y z)))
(+ (* (- 1.0 x) y) (* x z)))