
(FPCore (x y z) :precision binary64 (+ (+ x y) z))
double code(double x, double y, double z) {
return (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 = (x + y) + z
end function
public static double code(double x, double y, double z) {
return (x + y) + z;
}
def code(x, y, z): return (x + y) + z
function code(x, y, z) return Float64(Float64(x + y) + z) end
function tmp = code(x, y, z) tmp = (x + y) + z; end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) + z
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (+ x y) z))
double code(double x, double y, double z) {
return (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 = (x + y) + z
end function
public static double code(double x, double y, double z) {
return (x + y) + z;
}
def code(x, y, z): return (x + y) + z
function code(x, y, z) return Float64(Float64(x + y) + z) end
function tmp = code(x, y, z) tmp = (x + y) + z; end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) + z
\end{array}
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (+ x (+ y z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
return x + (y + z);
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 + z)
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return x + (y + z);
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return x + (y + z)
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(x + Float64(y + z)) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = x + (y + z);
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(x + N[(y + z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
x + \left(y + z\right)
\end{array}
Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= x -5.6e+47) (+ x y) (+ y z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (x <= -5.6e+47) {
tmp = x + y;
} else {
tmp = y + z;
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 <= (-5.6d+47)) then
tmp = x + y
else
tmp = y + z
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if (x <= -5.6e+47) {
tmp = x + y;
} else {
tmp = y + z;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if x <= -5.6e+47: tmp = x + y else: tmp = y + z return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (x <= -5.6e+47) tmp = Float64(x + y); else tmp = Float64(y + z); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (x <= -5.6e+47)
tmp = x + y;
else
tmp = y + z;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[x, -5.6e+47], N[(x + y), $MachinePrecision], N[(y + z), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.6 \cdot 10^{+47}:\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;y + z\\
\end{array}
\end{array}
if x < -5.59999999999999976e47Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in z around 0 88.7%
+-commutative88.7%
Simplified88.7%
if -5.59999999999999976e47 < x Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in x around 0 76.5%
Final simplification78.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= x -6.4e+45) (+ x y) z))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (x <= -6.4e+45) {
tmp = x + y;
} else {
tmp = z;
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 <= (-6.4d+45)) then
tmp = x + y
else
tmp = z
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if (x <= -6.4e+45) {
tmp = x + y;
} else {
tmp = z;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if x <= -6.4e+45: tmp = x + y else: tmp = z return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (x <= -6.4e+45) tmp = Float64(x + y); else tmp = z; end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (x <= -6.4e+45)
tmp = x + y;
else
tmp = z;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[x, -6.4e+45], N[(x + y), $MachinePrecision], z]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6.4 \cdot 10^{+45}:\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if x < -6.4000000000000006e45Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in z around 0 88.7%
+-commutative88.7%
Simplified88.7%
if -6.4000000000000006e45 < x Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in z around inf 42.6%
Final simplification51.2%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= x -2.2e+47) x z))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (x <= -2.2e+47) {
tmp = x;
} else {
tmp = z;
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 <= (-2.2d+47)) then
tmp = x
else
tmp = z
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if (x <= -2.2e+47) {
tmp = x;
} else {
tmp = z;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if x <= -2.2e+47: tmp = x else: tmp = z return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (x <= -2.2e+47) tmp = x; else tmp = z; end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (x <= -2.2e+47)
tmp = x;
else
tmp = z;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[x, -2.2e+47], x, z]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.2 \cdot 10^{+47}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if x < -2.1999999999999999e47Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in x around inf 74.5%
if -2.1999999999999999e47 < x Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in z around inf 42.6%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (+ x z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return x + z;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x + z
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return x + z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return x + z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(x + z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = x + z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(x + z), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
x + z
\end{array}
Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in y around 0 69.1%
+-commutative69.1%
Simplified69.1%
Final simplification69.1%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 x)
assert(x < y && y < z);
double code(double x, double y, double z) {
return x;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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
assert x < y && y < z;
public static double code(double x, double y, double z) {
return x;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return x
x, y, z = sort([x, y, z]) function code(x, y, z) return x end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = x;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := x
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
x
\end{array}
Initial program 100.0%
associate-+l+100.0%
Simplified100.0%
Taylor expanded in x around inf 34.2%
herbie shell --seed 2024116
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, I"
:precision binary64
(+ (+ x y) z))