
(FPCore (x y z) :precision binary64 (* (+ x y) (- 1.0 z)))
double code(double x, double y, double z) {
return (x + y) * (1.0 - 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 - z)
end function
public static double code(double x, double y, double z) {
return (x + y) * (1.0 - z);
}
def code(x, y, z): return (x + y) * (1.0 - z)
function code(x, y, z) return Float64(Float64(x + y) * Float64(1.0 - z)) end
function tmp = code(x, y, z) tmp = (x + y) * (1.0 - z); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) \cdot \left(1 - z\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 10 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (* (+ x y) (- 1.0 z)))
double code(double x, double y, double z) {
return (x + y) * (1.0 - 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 - z)
end function
public static double code(double x, double y, double z) {
return (x + y) * (1.0 - z);
}
def code(x, y, z): return (x + y) * (1.0 - z)
function code(x, y, z) return Float64(Float64(x + y) * Float64(1.0 - z)) end
function tmp = code(x, y, z) tmp = (x + y) * (1.0 - z); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) \cdot \left(1 - z\right)
\end{array}
(FPCore (x y z) :precision binary64 (* (- 1.0 z) (+ x y)))
double code(double x, double y, double z) {
return (1.0 - z) * (x + y);
}
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 - z) * (x + y)
end function
public static double code(double x, double y, double z) {
return (1.0 - z) * (x + y);
}
def code(x, y, z): return (1.0 - z) * (x + y)
function code(x, y, z) return Float64(Float64(1.0 - z) * Float64(x + y)) end
function tmp = code(x, y, z) tmp = (1.0 - z) * (x + y); end
code[x_, y_, z_] := N[(N[(1.0 - z), $MachinePrecision] * N[(x + y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - z\right) \cdot \left(x + y\right)
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= (- 1.0 z) -200.0) (not (<= (- 1.0 z) 2.0))) (* z (- (- x) y)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if (((1.0 - z) <= -200.0) || !((1.0 - z) <= 2.0)) {
tmp = z * (-x - y);
} else {
tmp = 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 (((1.0d0 - z) <= (-200.0d0)) .or. (.not. ((1.0d0 - z) <= 2.0d0))) then
tmp = z * (-x - y)
else
tmp = x + y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (((1.0 - z) <= -200.0) || !((1.0 - z) <= 2.0)) {
tmp = z * (-x - y);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if ((1.0 - z) <= -200.0) or not ((1.0 - z) <= 2.0): tmp = z * (-x - y) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((Float64(1.0 - z) <= -200.0) || !(Float64(1.0 - z) <= 2.0)) tmp = Float64(z * Float64(Float64(-x) - y)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (((1.0 - z) <= -200.0) || ~(((1.0 - z) <= 2.0))) tmp = z * (-x - y); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[N[(1.0 - z), $MachinePrecision], -200.0], N[Not[LessEqual[N[(1.0 - z), $MachinePrecision], 2.0]], $MachinePrecision]], N[(z * N[((-x) - y), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;1 - z \leq -200 \lor \neg \left(1 - z \leq 2\right):\\
\;\;\;\;z \cdot \left(\left(-x\right) - y\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= z -1.15e+248) (* z (- x)) (if (or (<= z -3.6e-7) (not (<= z 1.52e-9))) (* y (- 1.0 z)) (+ x y))))
double code(double x, double y, double z) {
double tmp;
if (z <= -1.15e+248) {
tmp = z * -x;
} else if ((z <= -3.6e-7) || !(z <= 1.52e-9)) {
tmp = y * (1.0 - z);
} else {
tmp = 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 (z <= (-1.15d+248)) then
tmp = z * -x
else if ((z <= (-3.6d-7)) .or. (.not. (z <= 1.52d-9))) then
tmp = y * (1.0d0 - z)
else
tmp = x + y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -1.15e+248) {
tmp = z * -x;
} else if ((z <= -3.6e-7) || !(z <= 1.52e-9)) {
tmp = y * (1.0 - z);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -1.15e+248: tmp = z * -x elif (z <= -3.6e-7) or not (z <= 1.52e-9): tmp = y * (1.0 - z) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if (z <= -1.15e+248) tmp = Float64(z * Float64(-x)); elseif ((z <= -3.6e-7) || !(z <= 1.52e-9)) tmp = Float64(y * Float64(1.0 - z)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -1.15e+248) tmp = z * -x; elseif ((z <= -3.6e-7) || ~((z <= 1.52e-9))) tmp = y * (1.0 - z); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -1.15e+248], N[(z * (-x)), $MachinePrecision], If[Or[LessEqual[z, -3.6e-7], N[Not[LessEqual[z, 1.52e-9]], $MachinePrecision]], N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.15 \cdot 10^{+248}:\\
\;\;\;\;z \cdot \left(-x\right)\\
\mathbf{elif}\;z \leq -3.6 \cdot 10^{-7} \lor \neg \left(z \leq 1.52 \cdot 10^{-9}\right):\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= z -1.8e+253) (* z (- x)) (if (or (<= z -50.0) (not (<= z 1.0))) (* z (- y)) (+ x y))))
double code(double x, double y, double z) {
double tmp;
if (z <= -1.8e+253) {
tmp = z * -x;
} else if ((z <= -50.0) || !(z <= 1.0)) {
tmp = z * -y;
} else {
tmp = 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 (z <= (-1.8d+253)) then
tmp = z * -x
else if ((z <= (-50.0d0)) .or. (.not. (z <= 1.0d0))) then
tmp = z * -y
else
tmp = x + y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -1.8e+253) {
tmp = z * -x;
} else if ((z <= -50.0) || !(z <= 1.0)) {
tmp = z * -y;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -1.8e+253: tmp = z * -x elif (z <= -50.0) or not (z <= 1.0): tmp = z * -y else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if (z <= -1.8e+253) tmp = Float64(z * Float64(-x)); elseif ((z <= -50.0) || !(z <= 1.0)) tmp = Float64(z * Float64(-y)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -1.8e+253) tmp = z * -x; elseif ((z <= -50.0) || ~((z <= 1.0))) tmp = z * -y; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -1.8e+253], N[(z * (-x)), $MachinePrecision], If[Or[LessEqual[z, -50.0], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(z * (-y)), $MachinePrecision], N[(x + y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.8 \cdot 10^{+253}:\\
\;\;\;\;z \cdot \left(-x\right)\\
\mathbf{elif}\;z \leq -50 \lor \neg \left(z \leq 1\right):\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= z -300.0) (not (<= z 1.0))) (* z (- x)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -300.0) || !(z <= 1.0)) {
tmp = z * -x;
} else {
tmp = 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 ((z <= (-300.0d0)) .or. (.not. (z <= 1.0d0))) then
tmp = z * -x
else
tmp = x + y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -300.0) || !(z <= 1.0)) {
tmp = z * -x;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -300.0) or not (z <= 1.0): tmp = z * -x else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -300.0) || !(z <= 1.0)) tmp = Float64(z * Float64(-x)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -300.0) || ~((z <= 1.0))) tmp = z * -x; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -300.0], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(z * (-x)), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -300 \lor \neg \left(z \leq 1\right):\\
\;\;\;\;z \cdot \left(-x\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= x -6e-29) (* x (- 1.0 z)) (* y (- 1.0 z))))
double code(double x, double y, double z) {
double tmp;
if (x <= -6e-29) {
tmp = x * (1.0 - z);
} else {
tmp = y * (1.0 - 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 <= (-6d-29)) then
tmp = x * (1.0d0 - z)
else
tmp = y * (1.0d0 - z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -6e-29) {
tmp = x * (1.0 - z);
} else {
tmp = y * (1.0 - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -6e-29: tmp = x * (1.0 - z) else: tmp = y * (1.0 - z) return tmp
function code(x, y, z) tmp = 0.0 if (x <= -6e-29) tmp = Float64(x * Float64(1.0 - z)); else tmp = Float64(y * Float64(1.0 - z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -6e-29) tmp = x * (1.0 - z); else tmp = y * (1.0 - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -6e-29], N[(x * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6 \cdot 10^{-29}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= x -6e-29) (- x (* x z)) (* y (- 1.0 z))))
double code(double x, double y, double z) {
double tmp;
if (x <= -6e-29) {
tmp = x - (x * z);
} else {
tmp = y * (1.0 - 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 <= (-6d-29)) then
tmp = x - (x * z)
else
tmp = y * (1.0d0 - z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -6e-29) {
tmp = x - (x * z);
} else {
tmp = y * (1.0 - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -6e-29: tmp = x - (x * z) else: tmp = y * (1.0 - z) return tmp
function code(x, y, z) tmp = 0.0 if (x <= -6e-29) tmp = Float64(x - Float64(x * z)); else tmp = Float64(y * Float64(1.0 - z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -6e-29) tmp = x - (x * z); else tmp = y * (1.0 - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -6e-29], N[(x - N[(x * z), $MachinePrecision]), $MachinePrecision], N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6 \cdot 10^{-29}:\\
\;\;\;\;x - x \cdot z\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= x -1.8e-150) x y))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.8e-150) {
tmp = x;
} 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 <= (-1.8d-150)) then
tmp = x
else
tmp = y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -1.8e-150) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.8e-150: tmp = x else: tmp = y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.8e-150) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1.8e-150) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.8e-150], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.8 \cdot 10^{-150}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (+ x y))
double code(double x, double y, double z) {
return x + y;
}
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
end function
public static double code(double x, double y, double z) {
return x + y;
}
def code(x, y, z): return x + y
function code(x, y, z) return Float64(x + y) end
function tmp = code(x, y, z) tmp = x + y; end
code[x_, y_, z_] := N[(x + y), $MachinePrecision]
\begin{array}{l}
\\
x + y
\end{array}
(FPCore (x y z) :precision binary64 x)
double code(double x, double y, double z) {
return x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x
end function
public static double code(double x, double y, double z) {
return x;
}
def code(x, y, z): return x
function code(x, y, z) return x end
function tmp = code(x, y, z) tmp = x; end
code[x_, y_, z_] := x
\begin{array}{l}
\\
x
\end{array}
herbie shell --seed 2023350
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, H"
:precision binary64
(* (+ x y) (- 1.0 z)))