
(FPCore (x y z) :precision binary64 (* (+ x y) (- 1.0 z)))
double code(double x, double y, double z) {
return (x + y) * (1.0 - 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 + y) * (1.0d0 - z)
end function
public static double code(double x, double y, double z) {
return (x + y) * (1.0 - z);
}
def code(x, y, z): return (x + y) * (1.0 - z)
function code(x, y, z) return Float64(Float64(x + y) * Float64(1.0 - z)) end
function tmp = code(x, y, z) tmp = (x + y) * (1.0 - z); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) \cdot \left(1 - z\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (* (+ x y) (- 1.0 z)))
double code(double x, double y, double z) {
return (x + y) * (1.0 - 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 + y) * (1.0d0 - z)
end function
public static double code(double x, double y, double z) {
return (x + y) * (1.0 - z);
}
def code(x, y, z): return (x + y) * (1.0 - z)
function code(x, y, z) return Float64(Float64(x + y) * Float64(1.0 - z)) end
function tmp = code(x, y, z) tmp = (x + y) * (1.0 - z); end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) \cdot \left(1 - z\right)
\end{array}
(FPCore (x y z) :precision binary64 (* (- 1.0 z) (+ x y)))
double code(double x, double y, double z) {
return (1.0 - 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 = (1.0d0 - z) * (x + y)
end function
public static double code(double x, double y, double z) {
return (1.0 - z) * (x + y);
}
def code(x, y, z): return (1.0 - z) * (x + y)
function code(x, y, z) return Float64(Float64(1.0 - z) * Float64(x + y)) end
function tmp = code(x, y, z) tmp = (1.0 - z) * (x + y); end
code[x_, y_, z_] := N[(N[(1.0 - z), $MachinePrecision] * N[(x + y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - z\right) \cdot \left(x + y\right)
\end{array}
Initial program 100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (or (<= (- 1.0 z) -4e+14) (not (<= (- 1.0 z) 2.0))) (* z (- (- x) y)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if (((1.0 - z) <= -4e+14) || !((1.0 - z) <= 2.0)) {
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 (((1.0d0 - z) <= (-4d+14)) .or. (.not. ((1.0d0 - z) <= 2.0d0))) 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 (((1.0 - z) <= -4e+14) || !((1.0 - z) <= 2.0)) {
tmp = z * (-x - y);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if ((1.0 - z) <= -4e+14) or not ((1.0 - z) <= 2.0): tmp = z * (-x - y) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((Float64(1.0 - z) <= -4e+14) || !(Float64(1.0 - z) <= 2.0)) tmp = Float64(z * Float64(Float64(-x) - y)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (((1.0 - z) <= -4e+14) || ~(((1.0 - z) <= 2.0))) tmp = z * (-x - y); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[N[(1.0 - z), $MachinePrecision], -4e+14], N[Not[LessEqual[N[(1.0 - z), $MachinePrecision], 2.0]], $MachinePrecision]], N[(z * N[((-x) - y), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;1 - z \leq -4 \cdot 10^{+14} \lor \neg \left(1 - z \leq 2\right):\\
\;\;\;\;z \cdot \left(\left(-x\right) - y\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if (-.f64 1 z) < -4e14 or 2 < (-.f64 1 z) Initial program 100.0%
Taylor expanded in z around inf 99.4%
associate-*r*99.4%
neg-mul-199.4%
*-commutative99.4%
+-commutative99.4%
Simplified99.4%
if -4e14 < (-.f64 1 z) < 2Initial program 100.0%
Taylor expanded in z around 0 98.5%
+-commutative98.5%
Simplified98.5%
Final simplification98.9%
(FPCore (x y z) :precision binary64 (if (or (<= z -7.8e-13) (not (<= z 4.8e-7))) (* y (- 1.0 z)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -7.8e-13) || !(z <= 4.8e-7)) {
tmp = y * (1.0 - 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 <= (-7.8d-13)) .or. (.not. (z <= 4.8d-7))) then
tmp = y * (1.0d0 - 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 <= -7.8e-13) || !(z <= 4.8e-7)) {
tmp = y * (1.0 - z);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -7.8e-13) or not (z <= 4.8e-7): tmp = y * (1.0 - z) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -7.8e-13) || !(z <= 4.8e-7)) tmp = Float64(y * Float64(1.0 - z)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -7.8e-13) || ~((z <= 4.8e-7))) tmp = y * (1.0 - z); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -7.8e-13], N[Not[LessEqual[z, 4.8e-7]], $MachinePrecision]], N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -7.8 \cdot 10^{-13} \lor \neg \left(z \leq 4.8 \cdot 10^{-7}\right):\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -7.80000000000000009e-13 or 4.79999999999999957e-7 < z Initial program 100.0%
Taylor expanded in x around 0 48.6%
if -7.80000000000000009e-13 < z < 4.79999999999999957e-7Initial program 100.0%
Taylor expanded in z around 0 99.5%
+-commutative99.5%
Simplified99.5%
Final simplification74.3%
(FPCore (x y z) :precision binary64 (if (or (<= z -51.0) (not (<= z 1.0))) (* y (- z)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -51.0) || !(z <= 1.0)) {
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 <= (-51.0d0)) .or. (.not. (z <= 1.0d0))) 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 <= -51.0) || !(z <= 1.0)) {
tmp = y * -z;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -51.0) or not (z <= 1.0): tmp = y * -z else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -51.0) || !(z <= 1.0)) tmp = Float64(y * Float64(-z)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -51.0) || ~((z <= 1.0))) tmp = y * -z; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -51.0], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(y * (-z)), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -51 \lor \neg \left(z \leq 1\right):\\
\;\;\;\;y \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -51 or 1 < z Initial program 100.0%
sub-neg100.0%
distribute-lft-in100.0%
*-commutative100.0%
*-un-lft-identity100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 48.1%
associate-*r*48.1%
*-commutative48.1%
associate-*r*48.1%
mul-1-neg48.1%
Simplified48.1%
Taylor expanded in z around inf 48.0%
associate-*r*48.0%
neg-mul-148.0%
Simplified48.0%
if -51 < z < 1Initial program 100.0%
Taylor expanded in z around 0 98.5%
+-commutative98.5%
Simplified98.5%
Final simplification74.1%
(FPCore (x y z) :precision binary64 (if (<= y 1.25e-118) (* x (- 1.0 z)) (* y (- 1.0 z))))
double code(double x, double y, double z) {
double tmp;
if (y <= 1.25e-118) {
tmp = x * (1.0 - z);
} else {
tmp = y * (1.0 - 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 (y <= 1.25d-118) then
tmp = x * (1.0d0 - z)
else
tmp = y * (1.0d0 - z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= 1.25e-118) {
tmp = x * (1.0 - z);
} else {
tmp = y * (1.0 - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= 1.25e-118: tmp = x * (1.0 - z) else: tmp = y * (1.0 - z) return tmp
function code(x, y, z) tmp = 0.0 if (y <= 1.25e-118) tmp = Float64(x * Float64(1.0 - z)); else tmp = Float64(y * Float64(1.0 - z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= 1.25e-118) tmp = x * (1.0 - z); else tmp = y * (1.0 - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, 1.25e-118], N[(x * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 1.25 \cdot 10^{-118}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\end{array}
\end{array}
if y < 1.25000000000000004e-118Initial program 100.0%
Taylor expanded in x around inf 65.6%
*-commutative65.6%
Simplified65.6%
if 1.25000000000000004e-118 < y Initial program 100.0%
Taylor expanded in x around 0 60.0%
Final simplification63.8%
(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 52.4%
+-commutative52.4%
Simplified52.4%
Final simplification52.4%
(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 44.2%
Taylor expanded in z around 0 21.9%
Final simplification21.9%
herbie shell --seed 2023301
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, H"
:precision binary64
(* (+ x y) (- 1.0 z)))