
(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
(let* ((t_0 (<= (- 1.0 z) 1.0)))
(if (<= (- 1.0 z) -3e+191)
(* y (- z))
(if (<= (- 1.0 z) -5e+59)
(* z (- x))
(if (or t_0 (not t_0)) (* y (- 1.0 z)) (+ x y))))))
double code(double x, double y, double z) {
int t_0 = (1.0 - z) <= 1.0;
double tmp;
if ((1.0 - z) <= -3e+191) {
tmp = y * -z;
} else if ((1.0 - z) <= -5e+59) {
tmp = z * -x;
} else if (t_0 || !t_0) {
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
logical :: t_0
real(8) :: tmp
t_0 = (1.0d0 - z) <= 1.0d0
if ((1.0d0 - z) <= (-3d+191)) then
tmp = y * -z
else if ((1.0d0 - z) <= (-5d+59)) then
tmp = z * -x
else if (t_0 .or. (.not. t_0)) 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) {
boolean t_0 = (1.0 - z) <= 1.0;
double tmp;
if ((1.0 - z) <= -3e+191) {
tmp = y * -z;
} else if ((1.0 - z) <= -5e+59) {
tmp = z * -x;
} else if (t_0 || !t_0) {
tmp = y * (1.0 - z);
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): t_0 = (1.0 - z) <= 1.0 tmp = 0 if (1.0 - z) <= -3e+191: tmp = y * -z elif (1.0 - z) <= -5e+59: tmp = z * -x elif t_0 or not t_0: tmp = y * (1.0 - z) else: tmp = x + y return tmp
function code(x, y, z) t_0 = Float64(1.0 - z) <= 1.0 tmp = 0.0 if (Float64(1.0 - z) <= -3e+191) tmp = Float64(y * Float64(-z)); elseif (Float64(1.0 - z) <= -5e+59) tmp = Float64(z * Float64(-x)); elseif (t_0 || !t_0) tmp = Float64(y * Float64(1.0 - z)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) t_0 = (1.0 - z) <= 1.0; tmp = 0.0; if ((1.0 - z) <= -3e+191) tmp = y * -z; elseif ((1.0 - z) <= -5e+59) tmp = z * -x; elseif (t_0 || ~(t_0)) tmp = y * (1.0 - z); else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = LessEqual[N[(1.0 - z), $MachinePrecision], 1.0]}, If[LessEqual[N[(1.0 - z), $MachinePrecision], -3e+191], N[(y * (-z)), $MachinePrecision], If[LessEqual[N[(1.0 - z), $MachinePrecision], -5e+59], N[(z * (-x)), $MachinePrecision], If[Or[t$95$0, N[Not[t$95$0], $MachinePrecision]], N[(y * N[(1.0 - z), $MachinePrecision]), $MachinePrecision], N[(x + y), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 1 - z \leq 1\\
\mathbf{if}\;1 - z \leq -3 \cdot 10^{+191}:\\
\;\;\;\;y \cdot \left(-z\right)\\
\mathbf{elif}\;1 - z \leq -5 \cdot 10^{+59}:\\
\;\;\;\;z \cdot \left(-x\right)\\
\mathbf{elif}\;t\_0 \lor \neg t\_0:\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if (-.f64 #s(literal 1 binary64) z) < -2.9999999999999997e191Initial program 100.0%
Taylor expanded in z around inf 100.0%
mul-1-neg100.0%
distribute-rgt-neg-in100.0%
mul-1-neg100.0%
mul-1-neg100.0%
neg-sub0100.0%
associate--r+100.0%
neg-sub0100.0%
Simplified100.0%
Taylor expanded in x around 0 45.3%
mul-1-neg45.3%
distribute-rgt-neg-in45.3%
Simplified45.3%
if -2.9999999999999997e191 < (-.f64 #s(literal 1 binary64) z) < -4.9999999999999997e59Initial program 100.0%
Taylor expanded in z around inf 100.0%
mul-1-neg100.0%
distribute-rgt-neg-in100.0%
mul-1-neg100.0%
mul-1-neg100.0%
neg-sub0100.0%
associate--r+100.0%
neg-sub0100.0%
Simplified100.0%
Taylor expanded in x around inf 50.6%
mul-1-neg50.6%
distribute-rgt-neg-in50.6%
Simplified50.6%
if -4.9999999999999997e59 < (-.f64 #s(literal 1 binary64) z) < 1 or 1 < (-.f64 #s(literal 1 binary64) z) Initial program 100.0%
Taylor expanded in x around 0 54.8%
if 1 < (-.f64 #s(literal 1 binary64) z) < 1Initial program 100.0%
Taylor expanded in z around 0 47.2%
+-commutative47.2%
Simplified47.2%
Final simplification53.4%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= z -55.0)
t_0
(if (<= z 1.0)
(+ x y)
(if (or (<= z 1.05e+57) (not (<= z 2.6e+191))) t_0 (* z (- x)))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (z <= -55.0) {
tmp = t_0;
} else if (z <= 1.0) {
tmp = x + y;
} else if ((z <= 1.05e+57) || !(z <= 2.6e+191)) {
tmp = t_0;
} else {
tmp = z * -x;
}
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 = y * -z
if (z <= (-55.0d0)) then
tmp = t_0
else if (z <= 1.0d0) then
tmp = x + y
else if ((z <= 1.05d+57) .or. (.not. (z <= 2.6d+191))) then
tmp = t_0
else
tmp = z * -x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (z <= -55.0) {
tmp = t_0;
} else if (z <= 1.0) {
tmp = x + y;
} else if ((z <= 1.05e+57) || !(z <= 2.6e+191)) {
tmp = t_0;
} else {
tmp = z * -x;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if z <= -55.0: tmp = t_0 elif z <= 1.0: tmp = x + y elif (z <= 1.05e+57) or not (z <= 2.6e+191): tmp = t_0 else: tmp = z * -x return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (z <= -55.0) tmp = t_0; elseif (z <= 1.0) tmp = Float64(x + y); elseif ((z <= 1.05e+57) || !(z <= 2.6e+191)) tmp = t_0; else tmp = Float64(z * Float64(-x)); end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (z <= -55.0) tmp = t_0; elseif (z <= 1.0) tmp = x + y; elseif ((z <= 1.05e+57) || ~((z <= 2.6e+191))) tmp = t_0; else tmp = z * -x; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[z, -55.0], t$95$0, If[LessEqual[z, 1.0], N[(x + y), $MachinePrecision], If[Or[LessEqual[z, 1.05e+57], N[Not[LessEqual[z, 2.6e+191]], $MachinePrecision]], t$95$0, N[(z * (-x)), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;z \leq -55:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;z \leq 1:\\
\;\;\;\;x + y\\
\mathbf{elif}\;z \leq 1.05 \cdot 10^{+57} \lor \neg \left(z \leq 2.6 \cdot 10^{+191}\right):\\
\;\;\;\;t\_0\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(-x\right)\\
\end{array}
\end{array}
if z < -55 or 1 < z < 1.04999999999999995e57 or 2.6e191 < z Initial program 100.0%
Taylor expanded in z around inf 98.1%
mul-1-neg98.1%
distribute-rgt-neg-in98.1%
mul-1-neg98.1%
mul-1-neg98.1%
neg-sub098.1%
associate--r+98.1%
neg-sub098.1%
Simplified98.1%
Taylor expanded in x around 0 47.1%
mul-1-neg47.1%
distribute-rgt-neg-in47.1%
Simplified47.1%
if -55 < z < 1Initial program 100.0%
Taylor expanded in z around 0 98.4%
+-commutative98.4%
Simplified98.4%
if 1.04999999999999995e57 < z < 2.6e191Initial program 100.0%
Taylor expanded in z around inf 100.0%
mul-1-neg100.0%
distribute-rgt-neg-in100.0%
mul-1-neg100.0%
mul-1-neg100.0%
neg-sub0100.0%
associate--r+100.0%
neg-sub0100.0%
Simplified100.0%
Taylor expanded in x around inf 50.6%
mul-1-neg50.6%
distribute-rgt-neg-in50.6%
Simplified50.6%
Final simplification71.1%
(FPCore (x y z) :precision binary64 (if (or (<= (- 1.0 z) -200000.0) (not (<= (- 1.0 z) 2.0))) (* (+ x y) (- z)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if (((1.0 - z) <= -200000.0) || !((1.0 - z) <= 2.0)) {
tmp = (x + 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 (((1.0d0 - z) <= (-200000.0d0)) .or. (.not. ((1.0d0 - z) <= 2.0d0))) then
tmp = (x + 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 (((1.0 - z) <= -200000.0) || !((1.0 - z) <= 2.0)) {
tmp = (x + y) * -z;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if ((1.0 - z) <= -200000.0) or not ((1.0 - z) <= 2.0): tmp = (x + y) * -z else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((Float64(1.0 - z) <= -200000.0) || !(Float64(1.0 - z) <= 2.0)) tmp = Float64(Float64(x + y) * Float64(-z)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (((1.0 - z) <= -200000.0) || ~(((1.0 - z) <= 2.0))) tmp = (x + y) * -z; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[N[(1.0 - z), $MachinePrecision], -200000.0], N[Not[LessEqual[N[(1.0 - z), $MachinePrecision], 2.0]], $MachinePrecision]], N[(N[(x + y), $MachinePrecision] * (-z)), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;1 - z \leq -200000 \lor \neg \left(1 - z \leq 2\right):\\
\;\;\;\;\left(x + y\right) \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if (-.f64 #s(literal 1 binary64) z) < -2e5 or 2 < (-.f64 #s(literal 1 binary64) z) Initial program 100.0%
Taylor expanded in z around inf 98.5%
mul-1-neg98.5%
distribute-rgt-neg-in98.5%
mul-1-neg98.5%
mul-1-neg98.5%
neg-sub098.5%
associate--r+98.5%
neg-sub098.5%
Simplified98.5%
if -2e5 < (-.f64 #s(literal 1 binary64) z) < 2Initial program 100.0%
Taylor expanded in z around 0 98.4%
+-commutative98.4%
Simplified98.4%
Final simplification98.5%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.14e+21) (not (<= z 1.0))) (* z (- x)) (+ x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.14e+21) || !(z <= 1.0)) {
tmp = z * -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 ((z <= (-1.14d+21)) .or. (.not. (z <= 1.0d0))) then
tmp = z * -x
else
tmp = x + y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -1.14e+21) || !(z <= 1.0)) {
tmp = z * -x;
} else {
tmp = x + y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.14e+21) or not (z <= 1.0): tmp = z * -x else: tmp = x + y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.14e+21) || !(z <= 1.0)) tmp = Float64(z * Float64(-x)); else tmp = Float64(x + y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -1.14e+21) || ~((z <= 1.0))) tmp = z * -x; else tmp = x + y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.14e+21], N[Not[LessEqual[z, 1.0]], $MachinePrecision]], N[(z * (-x)), $MachinePrecision], N[(x + y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.14 \cdot 10^{+21} \lor \neg \left(z \leq 1\right):\\
\;\;\;\;z \cdot \left(-x\right)\\
\mathbf{else}:\\
\;\;\;\;x + y\\
\end{array}
\end{array}
if z < -1.14e21 or 1 < z Initial program 100.0%
Taylor expanded in z around inf 98.6%
mul-1-neg98.6%
distribute-rgt-neg-in98.6%
mul-1-neg98.6%
mul-1-neg98.6%
neg-sub098.6%
associate--r+98.6%
neg-sub098.6%
Simplified98.6%
Taylor expanded in x around inf 56.5%
mul-1-neg56.5%
distribute-rgt-neg-in56.5%
Simplified56.5%
if -1.14e21 < z < 1Initial program 100.0%
Taylor expanded in z around 0 96.2%
+-commutative96.2%
Simplified96.2%
Final simplification75.2%
(FPCore (x y z) :precision binary64 (if (<= y 1.9e-125) (* x (- 1.0 z)) (* y (- 1.0 z))))
double code(double x, double y, double z) {
double tmp;
if (y <= 1.9e-125) {
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 <= 1.9d-125) 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 <= 1.9e-125) {
tmp = x * (1.0 - z);
} else {
tmp = y * (1.0 - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= 1.9e-125: tmp = x * (1.0 - z) else: tmp = y * (1.0 - z) return tmp
function code(x, y, z) tmp = 0.0 if (y <= 1.9e-125) 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 <= 1.9e-125) tmp = x * (1.0 - z); else tmp = y * (1.0 - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, 1.9e-125], 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 1.9 \cdot 10^{-125}:\\
\;\;\;\;x \cdot \left(1 - z\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(1 - z\right)\\
\end{array}
\end{array}
if y < 1.9000000000000001e-125Initial program 100.0%
Taylor expanded in x around inf 59.8%
*-commutative59.8%
Simplified59.8%
if 1.9000000000000001e-125 < y Initial program 100.0%
Taylor expanded in x around 0 72.4%
Final simplification63.9%
(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 47.2%
+-commutative47.2%
Simplified47.2%
Final simplification47.2%
herbie shell --seed 2024096
(FPCore (x y z)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, H"
:precision binary64
(* (+ x y) (- 1.0 z)))