
(FPCore (x y z) :precision binary64 (* (+ x y) (+ z 1.0)))
double code(double x, double y, double z) {
return (x + y) * (z + 1.0);
}
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 + 1.0d0)
end function
public static double code(double x, double y, double z) {
return (x + y) * (z + 1.0);
}
def code(x, y, z): return (x + y) * (z + 1.0)
function code(x, y, z) return Float64(Float64(x + y) * Float64(z + 1.0)) end
function tmp = code(x, y, z) tmp = (x + y) * (z + 1.0); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] * N[(z + 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) \cdot \left(z + 1\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (* (+ x y) (+ z 1.0)))
double code(double x, double y, double z) {
return (x + y) * (z + 1.0);
}
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 + 1.0d0)
end function
public static double code(double x, double y, double z) {
return (x + y) * (z + 1.0);
}
def code(x, y, z): return (x + y) * (z + 1.0)
function code(x, y, z) return Float64(Float64(x + y) * Float64(z + 1.0)) end
function tmp = code(x, y, z) tmp = (x + y) * (z + 1.0); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] * N[(z + 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) \cdot \left(z + 1\right)
\end{array}
(FPCore (x y z) :precision binary64 (* (+ z 1.0) (+ x y)))
double code(double x, double y, double z) {
return (z + 1.0) * (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 = (z + 1.0d0) * (x + y)
end function
public static double code(double x, double y, double z) {
return (z + 1.0) * (x + y);
}
def code(x, y, z): return (z + 1.0) * (x + y)
function code(x, y, z) return Float64(Float64(z + 1.0) * Float64(x + y)) end
function tmp = code(x, y, z) tmp = (z + 1.0) * (x + y); end
code[x_, y_, z_] := N[(N[(z + 1.0), $MachinePrecision] * N[(x + y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(z + 1\right) \cdot \left(x + y\right)
\end{array}
Initial program 100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= z -1.0)
(* y z)
(if (<= z -1.85e-90)
y
(if (<= z -2.7e-262)
x
(if (<= z 4.4e-111) y (if (<= z 26000000000.0) x (* y z)))))))
double code(double x, double y, double z) {
double tmp;
if (z <= -1.0) {
tmp = y * z;
} else if (z <= -1.85e-90) {
tmp = y;
} else if (z <= -2.7e-262) {
tmp = x;
} else if (z <= 4.4e-111) {
tmp = y;
} else if (z <= 26000000000.0) {
tmp = x;
} else {
tmp = y * 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 (z <= (-1.0d0)) then
tmp = y * z
else if (z <= (-1.85d-90)) then
tmp = y
else if (z <= (-2.7d-262)) then
tmp = x
else if (z <= 4.4d-111) then
tmp = y
else if (z <= 26000000000.0d0) then
tmp = x
else
tmp = y * z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -1.0) {
tmp = y * z;
} else if (z <= -1.85e-90) {
tmp = y;
} else if (z <= -2.7e-262) {
tmp = x;
} else if (z <= 4.4e-111) {
tmp = y;
} else if (z <= 26000000000.0) {
tmp = x;
} else {
tmp = y * z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -1.0: tmp = y * z elif z <= -1.85e-90: tmp = y elif z <= -2.7e-262: tmp = x elif z <= 4.4e-111: tmp = y elif z <= 26000000000.0: tmp = x else: tmp = y * z return tmp
function code(x, y, z) tmp = 0.0 if (z <= -1.0) tmp = Float64(y * z); elseif (z <= -1.85e-90) tmp = y; elseif (z <= -2.7e-262) tmp = x; elseif (z <= 4.4e-111) tmp = y; elseif (z <= 26000000000.0) tmp = x; else tmp = Float64(y * z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -1.0) tmp = y * z; elseif (z <= -1.85e-90) tmp = y; elseif (z <= -2.7e-262) tmp = x; elseif (z <= 4.4e-111) tmp = y; elseif (z <= 26000000000.0) tmp = x; else tmp = y * z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -1.0], N[(y * z), $MachinePrecision], If[LessEqual[z, -1.85e-90], y, If[LessEqual[z, -2.7e-262], x, If[LessEqual[z, 4.4e-111], y, If[LessEqual[z, 26000000000.0], x, N[(y * z), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1:\\
\;\;\;\;y \cdot z\\
\mathbf{elif}\;z \leq -1.85 \cdot 10^{-90}:\\
\;\;\;\;y\\
\mathbf{elif}\;z \leq -2.7 \cdot 10^{-262}:\\
\;\;\;\;x\\
\mathbf{elif}\;z \leq 4.4 \cdot 10^{-111}:\\
\;\;\;\;y\\
\mathbf{elif}\;z \leq 26000000000:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot z\\
\end{array}
\end{array}
if z < -1 or 2.6e10 < z Initial program 100.0%
Taylor expanded in z around inf 98.2%
Taylor expanded in x around 0 47.3%
if -1 < z < -1.85000000000000009e-90 or -2.7000000000000001e-262 < z < 4.4e-111Initial program 100.0%
Taylor expanded in z around 0 96.4%
+-commutative96.4%
Simplified96.4%
Taylor expanded in y around inf 48.0%
if -1.85000000000000009e-90 < z < -2.7000000000000001e-262 or 4.4e-111 < z < 2.6e10Initial program 100.0%
Taylor expanded in z around 0 97.0%
+-commutative97.0%
Simplified97.0%
Taylor expanded in y around 0 51.0%
(FPCore (x y z)
:precision binary64
(if (<= (+ z 1.0) -2e+41)
(* y z)
(if (<= (+ z 1.0) -2.0)
(* x (+ z 1.0))
(if (<= (+ z 1.0) 50000000000.0) (+ x y) (* y z)))))
double code(double x, double y, double z) {
double tmp;
if ((z + 1.0) <= -2e+41) {
tmp = y * z;
} else if ((z + 1.0) <= -2.0) {
tmp = x * (z + 1.0);
} else if ((z + 1.0) <= 50000000000.0) {
tmp = x + y;
} else {
tmp = y * 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 ((z + 1.0d0) <= (-2d+41)) then
tmp = y * z
else if ((z + 1.0d0) <= (-2.0d0)) then
tmp = x * (z + 1.0d0)
else if ((z + 1.0d0) <= 50000000000.0d0) then
tmp = x + y
else
tmp = y * z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z + 1.0) <= -2e+41) {
tmp = y * z;
} else if ((z + 1.0) <= -2.0) {
tmp = x * (z + 1.0);
} else if ((z + 1.0) <= 50000000000.0) {
tmp = x + y;
} else {
tmp = y * z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z + 1.0) <= -2e+41: tmp = y * z elif (z + 1.0) <= -2.0: tmp = x * (z + 1.0) elif (z + 1.0) <= 50000000000.0: tmp = x + y else: tmp = y * z return tmp
function code(x, y, z) tmp = 0.0 if (Float64(z + 1.0) <= -2e+41) tmp = Float64(y * z); elseif (Float64(z + 1.0) <= -2.0) tmp = Float64(x * Float64(z + 1.0)); elseif (Float64(z + 1.0) <= 50000000000.0) tmp = Float64(x + y); else tmp = Float64(y * z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z + 1.0) <= -2e+41) tmp = y * z; elseif ((z + 1.0) <= -2.0) tmp = x * (z + 1.0); elseif ((z + 1.0) <= 50000000000.0) tmp = x + y; else tmp = y * z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[N[(z + 1.0), $MachinePrecision], -2e+41], N[(y * z), $MachinePrecision], If[LessEqual[N[(z + 1.0), $MachinePrecision], -2.0], N[(x * N[(z + 1.0), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(z + 1.0), $MachinePrecision], 50000000000.0], N[(x + y), $MachinePrecision], N[(y * z), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z + 1 \leq -2 \cdot 10^{+41}:\\
\;\;\;\;y \cdot z\\
\mathbf{elif}\;z + 1 \leq -2:\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{elif}\;z + 1 \leq 50000000000:\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;y \cdot z\\
\end{array}
\end{array}
if (+.f64 z #s(literal 1 binary64)) < -2.00000000000000001e41 or 5e10 < (+.f64 z #s(literal 1 binary64)) Initial program 100.0%
Taylor expanded in z around inf 99.9%
Taylor expanded in x around 0 49.8%
if -2.00000000000000001e41 < (+.f64 z #s(literal 1 binary64)) < -2Initial program 100.0%
Taylor expanded in x around inf 78.7%
if -2 < (+.f64 z #s(literal 1 binary64)) < 5e10Initial program 100.0%
Taylor expanded in z around 0 96.7%
+-commutative96.7%
Simplified96.7%
Final simplification75.7%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.0) (not (<= z 26000000000.0))) (* y z) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.0) || !(z <= 26000000000.0)) {
tmp = y * 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 <= (-1.0d0)) .or. (.not. (z <= 26000000000.0d0))) then
tmp = y * 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 <= -1.0) || !(z <= 26000000000.0)) {
tmp = y * z;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.0) or not (z <= 26000000000.0): tmp = y * z else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.0) || !(z <= 26000000000.0)) tmp = Float64(y * z); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -1.0) || ~((z <= 26000000000.0))) tmp = y * z; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.0], N[Not[LessEqual[z, 26000000000.0]], $MachinePrecision]], N[(y * z), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1 \lor \neg \left(z \leq 26000000000\right):\\
\;\;\;\;y \cdot z\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -1 or 2.6e10 < z Initial program 100.0%
Taylor expanded in z around inf 98.2%
Taylor expanded in x around 0 47.3%
if -1 < z < 2.6e10Initial program 100.0%
Taylor expanded in z around 0 96.7%
+-commutative96.7%
Simplified96.7%
Final simplification73.5%
(FPCore (x y z) :precision binary64 (if (<= (+ x y) -1e-259) (* x (+ z 1.0)) (* y (+ z 1.0))))
double code(double x, double y, double z) {
double tmp;
if ((x + y) <= -1e-259) {
tmp = x * (z + 1.0);
} else {
tmp = y * (z + 1.0);
}
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) :: tmp
if ((x + y) <= (-1d-259)) then
tmp = x * (z + 1.0d0)
else
tmp = y * (z + 1.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x + y) <= -1e-259) {
tmp = x * (z + 1.0);
} else {
tmp = y * (z + 1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x + y) <= -1e-259: tmp = x * (z + 1.0) else: tmp = y * (z + 1.0) return tmp
function code(x, y, z) tmp = 0.0 if (Float64(x + y) <= -1e-259) tmp = Float64(x * Float64(z + 1.0)); else tmp = Float64(y * Float64(z + 1.0)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x + y) <= -1e-259) tmp = x * (z + 1.0); else tmp = y * (z + 1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[N[(x + y), $MachinePrecision], -1e-259], N[(x * N[(z + 1.0), $MachinePrecision]), $MachinePrecision], N[(y * N[(z + 1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x + y \leq -1 \cdot 10^{-259}:\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(z + 1\right)\\
\end{array}
\end{array}
if (+.f64 x y) < -1.0000000000000001e-259Initial program 100.0%
Taylor expanded in x around inf 59.3%
if -1.0000000000000001e-259 < (+.f64 x y) Initial program 100.0%
Taylor expanded in x around 0 53.3%
(FPCore (x y z) :precision binary64 (if (<= x -1.9e-57) x y))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.9e-57) {
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 <= (-1.9d-57)) 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 <= -1.9e-57) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.9e-57: tmp = x else: tmp = y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.9e-57) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1.9e-57) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.9e-57], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.9 \cdot 10^{-57}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if x < -1.8999999999999999e-57Initial program 100.0%
Taylor expanded in z around 0 64.2%
+-commutative64.2%
Simplified64.2%
Taylor expanded in y around 0 47.8%
if -1.8999999999999999e-57 < x Initial program 100.0%
Taylor expanded in z around 0 47.0%
+-commutative47.0%
Simplified47.0%
Taylor expanded in y around inf 31.7%
(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 z around 0 52.9%
+-commutative52.9%
Simplified52.9%
Taylor expanded in y around 0 28.0%
herbie shell --seed 2024144
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, G"
:precision binary64
(* (+ x y) (+ z 1.0)))