
(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 -9e-7) (not (<= z 5.3e-8))) (* y (+ z 1.0)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -9e-7) || !(z <= 5.3e-8)) {
tmp = y * (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 <= (-9d-7)) .or. (.not. (z <= 5.3d-8))) then
tmp = y * (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 <= -9e-7) || !(z <= 5.3e-8)) {
tmp = y * (z + 1.0);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -9e-7) or not (z <= 5.3e-8): tmp = y * (z + 1.0) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -9e-7) || !(z <= 5.3e-8)) tmp = Float64(y * 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 <= -9e-7) || ~((z <= 5.3e-8))) tmp = y * (z + 1.0); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -9e-7], N[Not[LessEqual[z, 5.3e-8]], $MachinePrecision]], N[(y * N[(z + 1.0), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -9 \cdot 10^{-7} \lor \neg \left(z \leq 5.3 \cdot 10^{-8}\right):\\
\;\;\;\;y \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -8.99999999999999959e-7 or 5.2999999999999998e-8 < z Initial program 100.0%
Taylor expanded in x around 0 56.6%
if -8.99999999999999959e-7 < z < 5.2999999999999998e-8Initial program 100.0%
Taylor expanded in z around 0 99.3%
Final simplification77.5%
(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 98.1%
if -1 < z < 1Initial program 100.0%
Taylor expanded in z around 0 98.4%
Final simplification98.3%
(FPCore (x y z) :precision binary64 (if (<= z -1.0) (* y z) (if (<= z 1.0) y (* y z))))
double code(double x, double y, double z) {
double tmp;
if (z <= -1.0) {
tmp = y * z;
} else if (z <= 1.0) {
tmp = 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)) then
tmp = y * z
else if (z <= 1.0d0) then
tmp = 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) {
tmp = y * z;
} else if (z <= 1.0) {
tmp = y;
} else {
tmp = y * z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -1.0: tmp = y * z elif z <= 1.0: tmp = y else: tmp = y * z return tmp
function code(x, y, z) tmp = 0.0 if (z <= -1.0) tmp = Float64(y * z); elseif (z <= 1.0) tmp = y; 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 <= 1.0) tmp = y; 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, 1.0], y, N[(y * z), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1:\\
\;\;\;\;y \cdot z\\
\mathbf{elif}\;z \leq 1:\\
\;\;\;\;y\\
\mathbf{else}:\\
\;\;\;\;y \cdot z\\
\end{array}
\end{array}
if z < -1 or 1 < z Initial program 100.0%
+-commutative100.0%
distribute-lft-in100.0%
*-rgt-identity100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 56.7%
Taylor expanded in z around inf 55.2%
if -1 < z < 1Initial program 100.0%
Taylor expanded in x around 0 41.7%
Taylor expanded in z around 0 41.2%
Final simplification48.3%
(FPCore (x y z) :precision binary64 (if (<= z -1.0) (* y z) (if (<= z 13500.0) (+ x y) (* y z))))
double code(double x, double y, double z) {
double tmp;
if (z <= -1.0) {
tmp = y * z;
} else if (z <= 13500.0) {
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)) then
tmp = y * z
else if (z <= 13500.0d0) 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) {
tmp = y * z;
} else if (z <= 13500.0) {
tmp = x + y;
} else {
tmp = y * z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -1.0: tmp = y * z elif z <= 13500.0: tmp = x + y else: tmp = y * z return tmp
function code(x, y, z) tmp = 0.0 if (z <= -1.0) tmp = Float64(y * z); elseif (z <= 13500.0) 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) tmp = y * z; elseif (z <= 13500.0) tmp = x + y; 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, 13500.0], N[(x + y), $MachinePrecision], N[(y * z), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1:\\
\;\;\;\;y \cdot z\\
\mathbf{elif}\;z \leq 13500:\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;y \cdot z\\
\end{array}
\end{array}
if z < -1 or 13500 < z Initial program 100.0%
+-commutative100.0%
distribute-lft-in100.0%
*-rgt-identity100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 56.0%
Taylor expanded in z around inf 55.5%
if -1 < z < 13500Initial program 100.0%
Taylor expanded in z around 0 97.1%
Final simplification76.5%
(FPCore (x y z) :precision binary64 (if (<= x -2.6e-58) (* x (+ z 1.0)) (* y (+ z 1.0))))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.6e-58) {
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 <= (-2.6d-58)) 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 <= -2.6e-58) {
tmp = x * (z + 1.0);
} else {
tmp = y * (z + 1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.6e-58: tmp = x * (z + 1.0) else: tmp = y * (z + 1.0) return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.6e-58) 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 <= -2.6e-58) tmp = x * (z + 1.0); else tmp = y * (z + 1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.6e-58], 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 -2.6 \cdot 10^{-58}:\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(z + 1\right)\\
\end{array}
\end{array}
if x < -2.60000000000000007e-58Initial program 100.0%
Taylor expanded in x around inf 75.1%
if -2.60000000000000007e-58 < x Initial program 100.0%
Taylor expanded in x around 0 59.5%
Final simplification64.5%
(FPCore (x y z) :precision binary64 y)
double code(double x, double y, double z) {
return y;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = y
end function
public static double code(double x, double y, double z) {
return y;
}
def code(x, y, z): return y
function code(x, y, z) return y end
function tmp = code(x, y, z) tmp = y; end
code[x_, y_, z_] := y
\begin{array}{l}
\\
y
\end{array}
Initial program 100.0%
Taylor expanded in x around 0 49.3%
Taylor expanded in z around 0 22.1%
Final simplification22.1%
herbie shell --seed 2023224
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, G"
:precision binary64
(* (+ x y) (+ z 1.0)))