
(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 (* (+ 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}
Initial program 100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (or (<= z -0.000135) (not (<= z 4.3e-17))) (* x (+ z 1.0)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -0.000135) || !(z <= 4.3e-17)) {
tmp = x * (z + 1.0);
} 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 <= (-0.000135d0)) .or. (.not. (z <= 4.3d-17))) then
tmp = x * (z + 1.0d0)
else
tmp = x + y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -0.000135) || !(z <= 4.3e-17)) {
tmp = x * (z + 1.0);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -0.000135) or not (z <= 4.3e-17): tmp = x * (z + 1.0) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -0.000135) || !(z <= 4.3e-17)) tmp = Float64(x * Float64(z + 1.0)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -0.000135) || ~((z <= 4.3e-17))) tmp = x * (z + 1.0); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -0.000135], N[Not[LessEqual[z, 4.3e-17]], $MachinePrecision]], N[(x * N[(z + 1.0), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -0.000135 \lor \neg \left(z \leq 4.3 \cdot 10^{-17}\right):\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -1.35000000000000002e-4 or 4.30000000000000023e-17 < z Initial program 100.0%
Taylor expanded in x around inf 51.0%
if -1.35000000000000002e-4 < z < 4.30000000000000023e-17Initial program 100.0%
Taylor expanded in z around 0 98.7%
+-commutative98.7%
Simplified98.7%
Final simplification74.6%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.0) (not (<= z 1.0))) (* z (+ x y)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.0) || !(z <= 1.0)) {
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 ((z <= (-1.0d0)) .or. (.not. (z <= 1.0d0))) 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 ((z <= -1.0) || !(z <= 1.0)) {
tmp = z * (x + y);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.0) or not (z <= 1.0): tmp = z * (x + y) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.0) || !(z <= 1.0)) tmp = Float64(z * Float64(x + y)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -1.0) || ~((z <= 1.0))) tmp = z * (x + y); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.0], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(z * N[(x + y), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1 \lor \neg \left(z \leq 1\right):\\
\;\;\;\;z \cdot \left(x + y\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -1 or 1 < z Initial program 100.0%
Taylor expanded in z around inf 98.4%
+-commutative98.4%
Simplified98.4%
if -1 < z < 1Initial program 100.0%
Taylor expanded in z around 0 98.0%
+-commutative98.0%
Simplified98.0%
Final simplification98.2%
(FPCore (x y z) :precision binary64 (if (or (<= z -2.5e-6) (not (<= z 1.0))) (* x z) x))
double code(double x, double y, double z) {
double tmp;
if ((z <= -2.5e-6) || !(z <= 1.0)) {
tmp = x * z;
} else {
tmp = 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 <= (-2.5d-6)) .or. (.not. (z <= 1.0d0))) then
tmp = x * z
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -2.5e-6) || !(z <= 1.0)) {
tmp = x * z;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -2.5e-6) or not (z <= 1.0): tmp = x * z else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -2.5e-6) || !(z <= 1.0)) tmp = Float64(x * z); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -2.5e-6) || ~((z <= 1.0))) tmp = x * z; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -2.5e-6], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(x * z), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -2.5 \cdot 10^{-6} \lor \neg \left(z \leq 1\right):\\
\;\;\;\;x \cdot z\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if z < -2.5000000000000002e-6 or 1 < z Initial program 100.0%
Taylor expanded in x around inf 51.7%
+-commutative51.7%
distribute-lft-in51.7%
*-rgt-identity51.7%
Applied egg-rr51.7%
Taylor expanded in z around inf 49.8%
if -2.5000000000000002e-6 < z < 1Initial program 100.0%
Taylor expanded in x around inf 45.8%
Taylor expanded in z around 0 45.1%
Final simplification47.4%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.0) (not (<= z 720.0))) (* x z) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.0) || !(z <= 720.0)) {
tmp = x * 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 <= 720.0d0))) then
tmp = x * 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 <= 720.0)) {
tmp = x * z;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.0) or not (z <= 720.0): tmp = x * z else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.0) || !(z <= 720.0)) tmp = Float64(x * 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 <= 720.0))) tmp = x * z; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.0], N[Not[LessEqual[z, 720.0]], $MachinePrecision]], N[(x * z), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1 \lor \neg \left(z \leq 720\right):\\
\;\;\;\;x \cdot z\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -1 or 720 < z Initial program 100.0%
Taylor expanded in x around inf 51.7%
+-commutative51.7%
distribute-lft-in51.7%
*-rgt-identity51.7%
Applied egg-rr51.7%
Taylor expanded in z around inf 50.5%
if -1 < z < 720Initial program 100.0%
Taylor expanded in z around 0 98.0%
+-commutative98.0%
Simplified98.0%
Final simplification74.8%
(FPCore (x y z) :precision binary64 (if (<= y 1.6e-110) (* x (+ z 1.0)) (* y (+ z 1.0))))
double code(double x, double y, double z) {
double tmp;
if (y <= 1.6e-110) {
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 (y <= 1.6d-110) 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 (y <= 1.6e-110) {
tmp = x * (z + 1.0);
} else {
tmp = y * (z + 1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= 1.6e-110: tmp = x * (z + 1.0) else: tmp = y * (z + 1.0) return tmp
function code(x, y, z) tmp = 0.0 if (y <= 1.6e-110) 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 (y <= 1.6e-110) tmp = x * (z + 1.0); else tmp = y * (z + 1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, 1.6e-110], N[(x * N[(z + 1.0), $MachinePrecision]), $MachinePrecision], N[(y * N[(z + 1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 1.6 \cdot 10^{-110}:\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(z + 1\right)\\
\end{array}
\end{array}
if y < 1.60000000000000014e-110Initial program 100.0%
Taylor expanded in x around inf 61.9%
if 1.60000000000000014e-110 < y Initial program 100.0%
Taylor expanded in x around 0 80.1%
Final simplification67.8%
(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 48.7%
Taylor expanded in z around 0 24.4%
Final simplification24.4%
herbie shell --seed 2024043
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, G"
:precision binary64
(* (+ x y) (+ z 1.0)))