
(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
(let* ((t_0 (* x (+ z 1.0))))
(if (<= y 1e-59)
t_0
(if (<= y 9.5e+26) (+ x y) (if (<= y 8.5e+43) t_0 (* y (+ z 1.0)))))))
double code(double x, double y, double z) {
double t_0 = x * (z + 1.0);
double tmp;
if (y <= 1e-59) {
tmp = t_0;
} else if (y <= 9.5e+26) {
tmp = x + y;
} else if (y <= 8.5e+43) {
tmp = t_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) :: t_0
real(8) :: tmp
t_0 = x * (z + 1.0d0)
if (y <= 1d-59) then
tmp = t_0
else if (y <= 9.5d+26) then
tmp = x + y
else if (y <= 8.5d+43) then
tmp = t_0
else
tmp = y * (z + 1.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * (z + 1.0);
double tmp;
if (y <= 1e-59) {
tmp = t_0;
} else if (y <= 9.5e+26) {
tmp = x + y;
} else if (y <= 8.5e+43) {
tmp = t_0;
} else {
tmp = y * (z + 1.0);
}
return tmp;
}
def code(x, y, z): t_0 = x * (z + 1.0) tmp = 0 if y <= 1e-59: tmp = t_0 elif y <= 9.5e+26: tmp = x + y elif y <= 8.5e+43: tmp = t_0 else: tmp = y * (z + 1.0) return tmp
function code(x, y, z) t_0 = Float64(x * Float64(z + 1.0)) tmp = 0.0 if (y <= 1e-59) tmp = t_0; elseif (y <= 9.5e+26) tmp = Float64(x + y); elseif (y <= 8.5e+43) tmp = t_0; else tmp = Float64(y * Float64(z + 1.0)); end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * (z + 1.0); tmp = 0.0; if (y <= 1e-59) tmp = t_0; elseif (y <= 9.5e+26) tmp = x + y; elseif (y <= 8.5e+43) tmp = t_0; else tmp = y * (z + 1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[(z + 1.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, 1e-59], t$95$0, If[LessEqual[y, 9.5e+26], N[(x + y), $MachinePrecision], If[LessEqual[y, 8.5e+43], t$95$0, N[(y * N[(z + 1.0), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(z + 1\right)\\
\mathbf{if}\;y \leq 10^{-59}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq 9.5 \cdot 10^{+26}:\\
\;\;\;\;x + y\\
\mathbf{elif}\;y \leq 8.5 \cdot 10^{+43}:\\
\;\;\;\;t_0\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(z + 1\right)\\
\end{array}
\end{array}
if y < 1e-59 or 9.50000000000000054e26 < y < 8.5e43Initial program 100.0%
Taylor expanded in x around inf 59.9%
if 1e-59 < y < 9.50000000000000054e26Initial program 100.0%
Taylor expanded in z around 0 65.5%
+-commutative65.5%
Simplified65.5%
if 8.5e43 < y Initial program 100.0%
Taylor expanded in x around 0 78.1%
Final simplification64.4%
(FPCore (x y z) :precision binary64 (if (or (<= z -5.3e-12) (not (<= z 80000000000000.0))) (* x (+ z 1.0)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -5.3e-12) || !(z <= 80000000000000.0)) {
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 <= (-5.3d-12)) .or. (.not. (z <= 80000000000000.0d0))) 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 <= -5.3e-12) || !(z <= 80000000000000.0)) {
tmp = x * (z + 1.0);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -5.3e-12) or not (z <= 80000000000000.0): tmp = x * (z + 1.0) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -5.3e-12) || !(z <= 80000000000000.0)) 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 <= -5.3e-12) || ~((z <= 80000000000000.0))) tmp = x * (z + 1.0); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -5.3e-12], N[Not[LessEqual[z, 80000000000000.0]], $MachinePrecision]], N[(x * N[(z + 1.0), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -5.3 \cdot 10^{-12} \lor \neg \left(z \leq 80000000000000\right):\\
\;\;\;\;x \cdot \left(z + 1\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -5.29999999999999963e-12 or 8e13 < z Initial program 100.0%
Taylor expanded in x around inf 55.2%
if -5.29999999999999963e-12 < z < 8e13Initial program 100.0%
Taylor expanded in z around 0 97.8%
+-commutative97.8%
Simplified97.8%
Final simplification77.2%
(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 99.1%
+-commutative99.1%
Simplified99.1%
if -1 < z < 1Initial program 100.0%
Taylor expanded in z around 0 98.0%
+-commutative98.0%
Simplified98.0%
Final simplification98.5%
(FPCore (x y z) :precision binary64 (if (<= y 1.25e-54) x y))
double code(double x, double y, double z) {
double tmp;
if (y <= 1.25e-54) {
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 (y <= 1.25d-54) 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 (y <= 1.25e-54) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= 1.25e-54: tmp = x else: tmp = y return tmp
function code(x, y, z) tmp = 0.0 if (y <= 1.25e-54) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= 1.25e-54) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, 1.25e-54], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 1.25 \cdot 10^{-54}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if y < 1.25000000000000004e-54Initial program 100.0%
Taylor expanded in x around inf 59.2%
Taylor expanded in z around 0 29.9%
if 1.25000000000000004e-54 < y Initial program 100.0%
Taylor expanded in x around 0 70.6%
Taylor expanded in z around 0 36.8%
Final simplification31.9%
(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 53.0%
+-commutative53.0%
Simplified53.0%
Final simplification53.0%
(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 51.7%
Taylor expanded in z around 0 26.6%
Final simplification26.6%
herbie shell --seed 2023310
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, G"
:precision binary64
(* (+ x y) (+ z 1.0)))