
(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 8 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 (+ x y))))
double code(double x, double y, double z) {
return (x + y) + (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 = (x + y) + (z * (x + y))
end function
public static double code(double x, double y, double z) {
return (x + y) + (z * (x + y));
}
def code(x, y, z): return (x + y) + (z * (x + y))
function code(x, y, z) return Float64(Float64(x + y) + Float64(z * Float64(x + y))) end
function tmp = code(x, y, z) tmp = (x + y) + (z * (x + y)); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] + N[(z * N[(x + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) + z \cdot \left(x + y\right)
\end{array}
Initial program 100.0%
+-commutative100.0%
distribute-lft-in100.0%
*-rgt-identity100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -4.3e-38) (and (not (<= x -7e-113)) (<= x -1.1e-144))) (* x (+ z 1.0)) (* y (+ z 1.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.3e-38) || (!(x <= -7e-113) && (x <= -1.1e-144))) {
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 <= (-4.3d-38)) .or. (.not. (x <= (-7d-113))) .and. (x <= (-1.1d-144))) 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 <= -4.3e-38) || (!(x <= -7e-113) && (x <= -1.1e-144))) {
tmp = x * (z + 1.0);
} else {
tmp = y * (z + 1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.3e-38) or (not (x <= -7e-113) and (x <= -1.1e-144)): tmp = x * (z + 1.0) else: tmp = y * (z + 1.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.3e-38) || (!(x <= -7e-113) && (x <= -1.1e-144))) 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 <= -4.3e-38) || (~((x <= -7e-113)) && (x <= -1.1e-144))) tmp = x * (z + 1.0); else tmp = y * (z + 1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.3e-38], And[N[Not[LessEqual[x, -7e-113]], $MachinePrecision], LessEqual[x, -1.1e-144]]], 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 \leq -4.3 \cdot 10^{-38} \lor \neg \left(x \leq -7 \cdot 10^{-113}\right) \land x \leq -1.1 \cdot 10^{-144}:\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(z + 1\right)\\
\end{array}
\end{array}
if x < -4.3000000000000002e-38 or -7.00000000000000057e-113 < x < -1.10000000000000003e-144Initial program 100.0%
Taylor expanded in x around inf 71.6%
if -4.3000000000000002e-38 < x < -7.00000000000000057e-113 or -1.10000000000000003e-144 < x Initial program 100.0%
Taylor expanded in x around 0 58.8%
Final simplification62.5%
(FPCore (x y z) :precision binary64 (if (or (<= z -6.9e-10) (not (<= z 2.5e-8))) (* x (+ z 1.0)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -6.9e-10) || !(z <= 2.5e-8)) {
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 <= (-6.9d-10)) .or. (.not. (z <= 2.5d-8))) 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 <= -6.9e-10) || !(z <= 2.5e-8)) {
tmp = x * (z + 1.0);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -6.9e-10) or not (z <= 2.5e-8): tmp = x * (z + 1.0) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -6.9e-10) || !(z <= 2.5e-8)) 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 <= -6.9e-10) || ~((z <= 2.5e-8))) tmp = x * (z + 1.0); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -6.9e-10], N[Not[LessEqual[z, 2.5e-8]], $MachinePrecision]], N[(x * N[(z + 1.0), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -6.9 \cdot 10^{-10} \lor \neg \left(z \leq 2.5 \cdot 10^{-8}\right):\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -6.89999999999999995e-10 or 2.4999999999999999e-8 < z Initial program 100.0%
Taylor expanded in x around inf 53.2%
if -6.89999999999999995e-10 < z < 2.4999999999999999e-8Initial program 100.0%
Taylor expanded in z around 0 99.5%
+-commutative99.5%
Simplified99.5%
Final simplification74.0%
(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 96.7%
+-commutative96.7%
Simplified96.7%
Final simplification97.6%
(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 (<= x -1.1e-144) x y))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.1e-144) {
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 <= (-1.1d-144)) 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 <= -1.1e-144) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.1e-144: tmp = x else: tmp = y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.1e-144) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1.1e-144) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.1e-144], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.1 \cdot 10^{-144}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if x < -1.10000000000000003e-144Initial program 99.9%
Taylor expanded in x around inf 65.4%
Taylor expanded in z around 0 33.3%
if -1.10000000000000003e-144 < x Initial program 100.0%
Taylor expanded in x around 0 57.7%
Taylor expanded in z around 0 27.0%
Final simplification29.1%
(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 47.8%
+-commutative47.8%
Simplified47.8%
Final simplification47.8%
(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 51.8%
Taylor expanded in z around 0 25.0%
Final simplification25.0%
herbie shell --seed 2024054
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, G"
:precision binary64
(* (+ x y) (+ z 1.0)))