
(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 6 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 -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 97.7%
+-commutative97.7%
Simplified97.7%
if -1 < z < 1Initial program 100.0%
Taylor expanded in z around 0 98.5%
+-commutative98.5%
Simplified98.5%
Final simplification98.1%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.0) (not (<= z 450000000000.0))) (* y z) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.0) || !(z <= 450000000000.0)) {
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 <= 450000000000.0d0))) 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 <= 450000000000.0)) {
tmp = y * z;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.0) or not (z <= 450000000000.0): tmp = y * z else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.0) || !(z <= 450000000000.0)) 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 <= 450000000000.0))) 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, 450000000000.0]], $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 450000000000\right):\\
\;\;\;\;y \cdot z\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -1 or 4.5e11 < z Initial program 100.0%
Taylor expanded in z around inf 98.6%
+-commutative98.6%
Simplified98.6%
Taylor expanded in y around inf 55.1%
if -1 < z < 4.5e11Initial program 100.0%
Taylor expanded in z around 0 96.7%
+-commutative96.7%
Simplified96.7%
Final simplification77.8%
(FPCore (x y z) :precision binary64 (if (<= x -2.9e-71) (* x (+ z 1.0)) (* y (+ z 1.0))))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.9e-71) {
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 <= (-2.9d-71)) 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 <= -2.9e-71) {
tmp = x * (z + 1.0);
} else {
tmp = y * (z + 1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.9e-71: tmp = x * (z + 1.0) else: tmp = y * (z + 1.0) return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.9e-71) 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 <= -2.9e-71) tmp = x * (z + 1.0); else tmp = y * (z + 1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.9e-71], 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 -2.9 \cdot 10^{-71}:\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(z + 1\right)\\
\end{array}
\end{array}
if x < -2.8999999999999999e-71Initial program 100.0%
Taylor expanded in x around inf 75.0%
if -2.8999999999999999e-71 < x Initial program 100.0%
Taylor expanded in x around 0 58.8%
Final simplification63.6%
(FPCore (x y z) :precision binary64 (if (<= x -9e-73) (* x z) (* y z)))
double code(double x, double y, double z) {
double tmp;
if (x <= -9e-73) {
tmp = x * z;
} 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 (x <= (-9d-73)) then
tmp = x * z
else
tmp = y * z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -9e-73) {
tmp = x * z;
} else {
tmp = y * z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -9e-73: tmp = x * z else: tmp = y * z return tmp
function code(x, y, z) tmp = 0.0 if (x <= -9e-73) tmp = Float64(x * z); else tmp = Float64(y * z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -9e-73) tmp = x * z; else tmp = y * z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -9e-73], N[(x * z), $MachinePrecision], N[(y * z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -9 \cdot 10^{-73}:\\
\;\;\;\;x \cdot z\\
\mathbf{else}:\\
\;\;\;\;y \cdot z\\
\end{array}
\end{array}
if x < -9e-73Initial program 100.0%
Taylor expanded in z around inf 47.6%
+-commutative47.6%
Simplified47.6%
Taylor expanded in y around 0 34.2%
if -9e-73 < x Initial program 100.0%
Taylor expanded in z around inf 46.9%
+-commutative46.9%
Simplified46.9%
Taylor expanded in y around inf 30.8%
Final simplification31.8%
(FPCore (x y z) :precision binary64 (* x z))
double code(double x, double y, double z) {
return x * 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 * z
end function
public static double code(double x, double y, double z) {
return x * z;
}
def code(x, y, z): return x * z
function code(x, y, z) return Float64(x * z) end
function tmp = code(x, y, z) tmp = x * z; end
code[x_, y_, z_] := N[(x * z), $MachinePrecision]
\begin{array}{l}
\\
x \cdot z
\end{array}
Initial program 100.0%
Taylor expanded in z around inf 47.1%
+-commutative47.1%
Simplified47.1%
Taylor expanded in y around 0 23.3%
Final simplification23.3%
herbie shell --seed 2024066
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, G"
:precision binary64
(* (+ x y) (+ z 1.0)))