
(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 6 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}
Initial program 100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (let* ((t_0 (* y (- 1.0 z)))) (if (<= z -6.2e+23) t_0 (if (<= z 2.85e-12) (+ x y) t_0))))
double code(double x, double y, double z) {
double t_0 = y * (1.0 - z);
double tmp;
if (z <= -6.2e+23) {
tmp = t_0;
} else if (z <= 2.85e-12) {
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 = y * (1.0d0 - z)
if (z <= (-6.2d+23)) then
tmp = t_0
else if (z <= 2.85d-12) 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 = y * (1.0 - z);
double tmp;
if (z <= -6.2e+23) {
tmp = t_0;
} else if (z <= 2.85e-12) {
tmp = x + y;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * (1.0 - z) tmp = 0 if z <= -6.2e+23: tmp = t_0 elif z <= 2.85e-12: tmp = x + y else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(1.0 - z)) tmp = 0.0 if (z <= -6.2e+23) tmp = t_0; elseif (z <= 2.85e-12) tmp = Float64(x + y); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * (1.0 - z); tmp = 0.0; if (z <= -6.2e+23) tmp = t_0; elseif (z <= 2.85e-12) tmp = x + y; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[z, -6.2e+23], t$95$0, If[LessEqual[z, 2.85e-12], N[(x + y), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(1 - z\right)\\
\mathbf{if}\;z \leq -6.2 \cdot 10^{+23}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;z \leq 2.85 \cdot 10^{-12}:\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if z < -6.19999999999999941e23 or 2.8500000000000002e-12 < z Initial program 100.0%
Taylor expanded in x around 0
*-lowering-*.f64N/A
--lowering--.f6454.4%
Simplified54.4%
if -6.19999999999999941e23 < z < 2.8500000000000002e-12Initial program 100.0%
Taylor expanded in z around 0
+-commutativeN/A
+-lowering-+.f6496.1%
Simplified96.1%
Final simplification75.0%
(FPCore (x y z) :precision binary64 (if (<= x -8.2e-77) (* x (- 1.0 z)) (* y (- 1.0 z))))
double code(double x, double y, double z) {
double tmp;
if (x <= -8.2e-77) {
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 <= (-8.2d-77)) 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 <= -8.2e-77) {
tmp = x * (1.0 - z);
} else {
tmp = y * (1.0 - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -8.2e-77: tmp = x * (1.0 - z) else: tmp = y * (1.0 - z) return tmp
function code(x, y, z) tmp = 0.0 if (x <= -8.2e-77) 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 <= -8.2e-77) tmp = x * (1.0 - z); else tmp = y * (1.0 - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -8.2e-77], 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 -8.2 \cdot 10^{-77}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\end{array}
\end{array}
if x < -8.19999999999999925e-77Initial program 100.0%
Taylor expanded in x around inf
*-commutativeN/A
*-lowering-*.f64N/A
--lowering--.f6472.5%
Simplified72.5%
if -8.19999999999999925e-77 < x Initial program 100.0%
Taylor expanded in x around 0
*-lowering-*.f64N/A
--lowering--.f6462.1%
Simplified62.1%
Final simplification64.8%
(FPCore (x y z) :precision binary64 (if (<= x -1.02e-50) x y))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.02e-50) {
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 <= (-1.02d-50)) 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 <= -1.02e-50) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.02e-50: tmp = x else: tmp = y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.02e-50) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1.02e-50) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.02e-50], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.02 \cdot 10^{-50}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if x < -1.0199999999999999e-50Initial program 100.0%
Taylor expanded in x around inf
*-commutativeN/A
*-lowering-*.f64N/A
--lowering--.f6476.6%
Simplified76.6%
Taylor expanded in z around 0
Simplified44.7%
if -1.0199999999999999e-50 < x Initial program 100.0%
Taylor expanded in x around 0
*-lowering-*.f64N/A
--lowering--.f6462.6%
Simplified62.6%
Taylor expanded in z around 0
Simplified29.8%
(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}
Initial program 100.0%
Taylor expanded in z around 0
+-commutativeN/A
+-lowering-+.f6449.7%
Simplified49.7%
Final simplification49.7%
(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}
Initial program 100.0%
Taylor expanded in x around inf
*-commutativeN/A
*-lowering-*.f64N/A
--lowering--.f6451.0%
Simplified51.0%
Taylor expanded in z around 0
Simplified25.5%
herbie shell --seed 2024158
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, H"
:precision binary64
(* (+ x y) (- 1.0 z)))