
(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 8 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) -100000.0) (not (<= (- 1.0 z) 2.0))) (* z (- (- y) x)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if (((1.0 - z) <= -100000.0) || !((1.0 - z) <= 2.0)) {
tmp = z * (-y - x);
} 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) <= (-100000.0d0)) .or. (.not. ((1.0d0 - z) <= 2.0d0))) then
tmp = z * (-y - x)
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) <= -100000.0) || !((1.0 - z) <= 2.0)) {
tmp = z * (-y - x);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if ((1.0 - z) <= -100000.0) or not ((1.0 - z) <= 2.0): tmp = z * (-y - x) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((Float64(1.0 - z) <= -100000.0) || !(Float64(1.0 - z) <= 2.0)) tmp = Float64(z * Float64(Float64(-y) - x)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (((1.0 - z) <= -100000.0) || ~(((1.0 - z) <= 2.0))) tmp = z * (-y - x); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[N[(1.0 - z), $MachinePrecision], -100000.0], N[Not[LessEqual[N[(1.0 - z), $MachinePrecision], 2.0]], $MachinePrecision]], N[(z * N[((-y) - x), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;1 - z \leq -100000 \lor \neg \left(1 - z \leq 2\right):\\
\;\;\;\;z \cdot \left(\left(-y\right) - x\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if (-.f64 1 z) < -1e5 or 2 < (-.f64 1 z) Initial program 100.0%
Taylor expanded in z around inf 96.6%
associate-*r*96.6%
neg-mul-196.6%
*-commutative96.6%
+-commutative96.6%
Simplified96.6%
if -1e5 < (-.f64 1 z) < 2Initial program 100.0%
Taylor expanded in z around 0 98.4%
+-commutative98.4%
Simplified98.4%
Final simplification97.5%
(FPCore (x y z) :precision binary64 (if (or (<= z -47000.0) (not (<= z 0.00032))) (* y (- 1.0 z)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -47000.0) || !(z <= 0.00032)) {
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 <= (-47000.0d0)) .or. (.not. (z <= 0.00032d0))) 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 <= -47000.0) || !(z <= 0.00032)) {
tmp = y * (1.0 - z);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -47000.0) or not (z <= 0.00032): tmp = y * (1.0 - z) else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -47000.0) || !(z <= 0.00032)) 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 <= -47000.0) || ~((z <= 0.00032))) tmp = y * (1.0 - z); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -47000.0], N[Not[LessEqual[z, 0.00032]], $MachinePrecision]], N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -47000 \lor \neg \left(z \leq 0.00032\right):\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -47000 or 3.20000000000000026e-4 < z Initial program 100.0%
Taylor expanded in x around 0 46.1%
if -47000 < z < 3.20000000000000026e-4Initial program 100.0%
Taylor expanded in z around 0 97.1%
+-commutative97.1%
Simplified97.1%
Final simplification72.6%
(FPCore (x y z) :precision binary64 (if (or (<= z -47000.0) (not (<= z 1.0))) (* z (- y)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -47000.0) || !(z <= 1.0)) {
tmp = z * -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 <= (-47000.0d0)) .or. (.not. (z <= 1.0d0))) then
tmp = z * -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 <= -47000.0) || !(z <= 1.0)) {
tmp = z * -y;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -47000.0) or not (z <= 1.0): tmp = z * -y else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -47000.0) || !(z <= 1.0)) tmp = Float64(z * Float64(-y)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -47000.0) || ~((z <= 1.0))) tmp = z * -y; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -47000.0], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(z * (-y)), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -47000 \lor \neg \left(z \leq 1\right):\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -47000 or 1 < z Initial program 100.0%
sub-neg100.0%
distribute-lft-in99.9%
*-commutative99.9%
*-un-lft-identity99.9%
Applied egg-rr99.9%
Taylor expanded in x around 0 46.1%
mul-1-neg46.1%
Simplified46.1%
Taylor expanded in z around inf 45.4%
associate-*r*45.4%
neg-mul-145.4%
Simplified45.4%
if -47000 < z < 1Initial program 100.0%
Taylor expanded in z around 0 97.1%
+-commutative97.1%
Simplified97.1%
Final simplification72.3%
(FPCore (x y z) :precision binary64 (if (<= y 9.8e-118) (* x (- 1.0 z)) (* y (- 1.0 z))))
double code(double x, double y, double z) {
double tmp;
if (y <= 9.8e-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 <= 9.8d-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 <= 9.8e-118) {
tmp = x * (1.0 - z);
} else {
tmp = y * (1.0 - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= 9.8e-118: tmp = x * (1.0 - z) else: tmp = y * (1.0 - z) return tmp
function code(x, y, z) tmp = 0.0 if (y <= 9.8e-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 <= 9.8e-118) tmp = x * (1.0 - z); else tmp = y * (1.0 - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, 9.8e-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 9.8 \cdot 10^{-118}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\end{array}
\end{array}
if y < 9.7999999999999995e-118Initial program 100.0%
Taylor expanded in x around inf 66.5%
*-commutative66.5%
Simplified66.5%
if 9.7999999999999995e-118 < y Initial program 100.0%
Taylor expanded in x around 0 63.1%
Final simplification65.3%
(FPCore (x y z) :precision binary64 (if (<= y 8e-116) x y))
double code(double x, double y, double z) {
double tmp;
if (y <= 8e-116) {
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 <= 8d-116) 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 <= 8e-116) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= 8e-116: tmp = x else: tmp = y return tmp
function code(x, y, z) tmp = 0.0 if (y <= 8e-116) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= 8e-116) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, 8e-116], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 8 \cdot 10^{-116}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if y < 8e-116Initial program 100.0%
Taylor expanded in x around inf 66.5%
*-commutative66.5%
Simplified66.5%
Taylor expanded in z around 0 37.5%
if 8e-116 < y Initial program 100.0%
Taylor expanded in x around 0 63.1%
Taylor expanded in z around 0 29.3%
Final simplification34.6%
(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 52.5%
+-commutative52.5%
Simplified52.5%
Final simplification52.5%
(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 57.0%
*-commutative57.0%
Simplified57.0%
Taylor expanded in z around 0 30.2%
Final simplification30.2%
herbie shell --seed 2024021
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, H"
:precision binary64
(* (+ x y) (- 1.0 z)))