
(FPCore (x y) :precision binary64 (* (* 3.0 (sqrt x)) (- (+ y (/ 1.0 (* x 9.0))) 1.0)))
double code(double x, double y) {
return (3.0 * sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (3.0d0 * sqrt(x)) * ((y + (1.0d0 / (x * 9.0d0))) - 1.0d0)
end function
public static double code(double x, double y) {
return (3.0 * Math.sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0);
}
def code(x, y): return (3.0 * math.sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0)
function code(x, y) return Float64(Float64(3.0 * sqrt(x)) * Float64(Float64(y + Float64(1.0 / Float64(x * 9.0))) - 1.0)) end
function tmp = code(x, y) tmp = (3.0 * sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0); end
code[x_, y_] := N[(N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[(N[(y + N[(1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(3 \cdot \sqrt{x}\right) \cdot \left(\left(y + \frac{1}{x \cdot 9}\right) - 1\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 10 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y) :precision binary64 (* (* 3.0 (sqrt x)) (- (+ y (/ 1.0 (* x 9.0))) 1.0)))
double code(double x, double y) {
return (3.0 * sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (3.0d0 * sqrt(x)) * ((y + (1.0d0 / (x * 9.0d0))) - 1.0d0)
end function
public static double code(double x, double y) {
return (3.0 * Math.sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0);
}
def code(x, y): return (3.0 * math.sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0)
function code(x, y) return Float64(Float64(3.0 * sqrt(x)) * Float64(Float64(y + Float64(1.0 / Float64(x * 9.0))) - 1.0)) end
function tmp = code(x, y) tmp = (3.0 * sqrt(x)) * ((y + (1.0 / (x * 9.0))) - 1.0); end
code[x_, y_] := N[(N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[(N[(y + N[(1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(3 \cdot \sqrt{x}\right) \cdot \left(\left(y + \frac{1}{x \cdot 9}\right) - 1\right)
\end{array}
(FPCore (x y) :precision binary64 (* (* 3.0 (sqrt x)) (- (+ y (pow (* x 9.0) -1.0)) 1.0)))
double code(double x, double y) {
return (3.0 * sqrt(x)) * ((y + pow((x * 9.0), -1.0)) - 1.0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (3.0d0 * sqrt(x)) * ((y + ((x * 9.0d0) ** (-1.0d0))) - 1.0d0)
end function
public static double code(double x, double y) {
return (3.0 * Math.sqrt(x)) * ((y + Math.pow((x * 9.0), -1.0)) - 1.0);
}
def code(x, y): return (3.0 * math.sqrt(x)) * ((y + math.pow((x * 9.0), -1.0)) - 1.0)
function code(x, y) return Float64(Float64(3.0 * sqrt(x)) * Float64(Float64(y + (Float64(x * 9.0) ^ -1.0)) - 1.0)) end
function tmp = code(x, y) tmp = (3.0 * sqrt(x)) * ((y + ((x * 9.0) ^ -1.0)) - 1.0); end
code[x_, y_] := N[(N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[(N[(y + N[Power[N[(x * 9.0), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(3 \cdot \sqrt{x}\right) \cdot \left(\left(y + {\left(x \cdot 9\right)}^{-1}\right) - 1\right)
\end{array}
Initial program 99.5%
Final simplification99.5%
(FPCore (x y)
:precision binary64
(let* ((t_0 (* (* 3.0 (sqrt x)) (- (+ y (pow (* x 9.0) -1.0)) 1.0))))
(if (<= t_0 -10.0)
(* (* (- y 1.0) (sqrt x)) 3.0)
(if (<= t_0 2e+152)
(* (sqrt (pow x -1.0)) 0.3333333333333333)
(* (* (sqrt x) y) 3.0)))))
double code(double x, double y) {
double t_0 = (3.0 * sqrt(x)) * ((y + pow((x * 9.0), -1.0)) - 1.0);
double tmp;
if (t_0 <= -10.0) {
tmp = ((y - 1.0) * sqrt(x)) * 3.0;
} else if (t_0 <= 2e+152) {
tmp = sqrt(pow(x, -1.0)) * 0.3333333333333333;
} else {
tmp = (sqrt(x) * y) * 3.0;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
real(8) :: tmp
t_0 = (3.0d0 * sqrt(x)) * ((y + ((x * 9.0d0) ** (-1.0d0))) - 1.0d0)
if (t_0 <= (-10.0d0)) then
tmp = ((y - 1.0d0) * sqrt(x)) * 3.0d0
else if (t_0 <= 2d+152) then
tmp = sqrt((x ** (-1.0d0))) * 0.3333333333333333d0
else
tmp = (sqrt(x) * y) * 3.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double t_0 = (3.0 * Math.sqrt(x)) * ((y + Math.pow((x * 9.0), -1.0)) - 1.0);
double tmp;
if (t_0 <= -10.0) {
tmp = ((y - 1.0) * Math.sqrt(x)) * 3.0;
} else if (t_0 <= 2e+152) {
tmp = Math.sqrt(Math.pow(x, -1.0)) * 0.3333333333333333;
} else {
tmp = (Math.sqrt(x) * y) * 3.0;
}
return tmp;
}
def code(x, y): t_0 = (3.0 * math.sqrt(x)) * ((y + math.pow((x * 9.0), -1.0)) - 1.0) tmp = 0 if t_0 <= -10.0: tmp = ((y - 1.0) * math.sqrt(x)) * 3.0 elif t_0 <= 2e+152: tmp = math.sqrt(math.pow(x, -1.0)) * 0.3333333333333333 else: tmp = (math.sqrt(x) * y) * 3.0 return tmp
function code(x, y) t_0 = Float64(Float64(3.0 * sqrt(x)) * Float64(Float64(y + (Float64(x * 9.0) ^ -1.0)) - 1.0)) tmp = 0.0 if (t_0 <= -10.0) tmp = Float64(Float64(Float64(y - 1.0) * sqrt(x)) * 3.0); elseif (t_0 <= 2e+152) tmp = Float64(sqrt((x ^ -1.0)) * 0.3333333333333333); else tmp = Float64(Float64(sqrt(x) * y) * 3.0); end return tmp end
function tmp_2 = code(x, y) t_0 = (3.0 * sqrt(x)) * ((y + ((x * 9.0) ^ -1.0)) - 1.0); tmp = 0.0; if (t_0 <= -10.0) tmp = ((y - 1.0) * sqrt(x)) * 3.0; elseif (t_0 <= 2e+152) tmp = sqrt((x ^ -1.0)) * 0.3333333333333333; else tmp = (sqrt(x) * y) * 3.0; end tmp_2 = tmp; end
code[x_, y_] := Block[{t$95$0 = N[(N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[(N[(y + N[Power[N[(x * 9.0), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$0, -10.0], N[(N[(N[(y - 1.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * 3.0), $MachinePrecision], If[LessEqual[t$95$0, 2e+152], N[(N[Sqrt[N[Power[x, -1.0], $MachinePrecision]], $MachinePrecision] * 0.3333333333333333), $MachinePrecision], N[(N[(N[Sqrt[x], $MachinePrecision] * y), $MachinePrecision] * 3.0), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(3 \cdot \sqrt{x}\right) \cdot \left(\left(y + {\left(x \cdot 9\right)}^{-1}\right) - 1\right)\\
\mathbf{if}\;t\_0 \leq -10:\\
\;\;\;\;\left(\left(y - 1\right) \cdot \sqrt{x}\right) \cdot 3\\
\mathbf{elif}\;t\_0 \leq 2 \cdot 10^{+152}:\\
\;\;\;\;\sqrt{{x}^{-1}} \cdot 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{x} \cdot y\right) \cdot 3\\
\end{array}
\end{array}
if (*.f64 (*.f64 #s(literal 3 binary64) (sqrt.f64 x)) (-.f64 (+.f64 y (/.f64 #s(literal 1 binary64) (*.f64 x #s(literal 9 binary64)))) #s(literal 1 binary64))) < -10Initial program 99.6%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.7%
Taylor expanded in x around 0
lower-*.f64N/A
lower-sqrt.f64N/A
lower-/.f641.4
Applied rewrites1.4%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
lower--.f64N/A
lower-sqrt.f6497.1
Applied rewrites97.1%
if -10 < (*.f64 (*.f64 #s(literal 3 binary64) (sqrt.f64 x)) (-.f64 (+.f64 y (/.f64 #s(literal 1 binary64) (*.f64 x #s(literal 9 binary64)))) #s(literal 1 binary64))) < 2.0000000000000001e152Initial program 99.3%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-/.f6484.8
Applied rewrites84.8%
if 2.0000000000000001e152 < (*.f64 (*.f64 #s(literal 3 binary64) (sqrt.f64 x)) (-.f64 (+.f64 y (/.f64 #s(literal 1 binary64) (*.f64 x #s(literal 9 binary64)))) #s(literal 1 binary64))) Initial program 99.6%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f6499.7
Applied rewrites99.7%
Final simplification92.2%
(FPCore (x y)
:precision binary64
(let* ((t_0 (* (* 3.0 (sqrt x)) (- (+ y (pow (* x 9.0) -1.0)) 1.0))))
(if (<= t_0 -1e+32)
(* (* (- y 1.0) (sqrt x)) 3.0)
(if (<= t_0 2e+152)
(* (* (- (/ 0.1111111111111111 x) 1.0) 3.0) (sqrt x))
(* (* (sqrt x) y) 3.0)))))
double code(double x, double y) {
double t_0 = (3.0 * sqrt(x)) * ((y + pow((x * 9.0), -1.0)) - 1.0);
double tmp;
if (t_0 <= -1e+32) {
tmp = ((y - 1.0) * sqrt(x)) * 3.0;
} else if (t_0 <= 2e+152) {
tmp = (((0.1111111111111111 / x) - 1.0) * 3.0) * sqrt(x);
} else {
tmp = (sqrt(x) * y) * 3.0;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
real(8) :: tmp
t_0 = (3.0d0 * sqrt(x)) * ((y + ((x * 9.0d0) ** (-1.0d0))) - 1.0d0)
if (t_0 <= (-1d+32)) then
tmp = ((y - 1.0d0) * sqrt(x)) * 3.0d0
else if (t_0 <= 2d+152) then
tmp = (((0.1111111111111111d0 / x) - 1.0d0) * 3.0d0) * sqrt(x)
else
tmp = (sqrt(x) * y) * 3.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double t_0 = (3.0 * Math.sqrt(x)) * ((y + Math.pow((x * 9.0), -1.0)) - 1.0);
double tmp;
if (t_0 <= -1e+32) {
tmp = ((y - 1.0) * Math.sqrt(x)) * 3.0;
} else if (t_0 <= 2e+152) {
tmp = (((0.1111111111111111 / x) - 1.0) * 3.0) * Math.sqrt(x);
} else {
tmp = (Math.sqrt(x) * y) * 3.0;
}
return tmp;
}
def code(x, y): t_0 = (3.0 * math.sqrt(x)) * ((y + math.pow((x * 9.0), -1.0)) - 1.0) tmp = 0 if t_0 <= -1e+32: tmp = ((y - 1.0) * math.sqrt(x)) * 3.0 elif t_0 <= 2e+152: tmp = (((0.1111111111111111 / x) - 1.0) * 3.0) * math.sqrt(x) else: tmp = (math.sqrt(x) * y) * 3.0 return tmp
function code(x, y) t_0 = Float64(Float64(3.0 * sqrt(x)) * Float64(Float64(y + (Float64(x * 9.0) ^ -1.0)) - 1.0)) tmp = 0.0 if (t_0 <= -1e+32) tmp = Float64(Float64(Float64(y - 1.0) * sqrt(x)) * 3.0); elseif (t_0 <= 2e+152) tmp = Float64(Float64(Float64(Float64(0.1111111111111111 / x) - 1.0) * 3.0) * sqrt(x)); else tmp = Float64(Float64(sqrt(x) * y) * 3.0); end return tmp end
function tmp_2 = code(x, y) t_0 = (3.0 * sqrt(x)) * ((y + ((x * 9.0) ^ -1.0)) - 1.0); tmp = 0.0; if (t_0 <= -1e+32) tmp = ((y - 1.0) * sqrt(x)) * 3.0; elseif (t_0 <= 2e+152) tmp = (((0.1111111111111111 / x) - 1.0) * 3.0) * sqrt(x); else tmp = (sqrt(x) * y) * 3.0; end tmp_2 = tmp; end
code[x_, y_] := Block[{t$95$0 = N[(N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[(N[(y + N[Power[N[(x * 9.0), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$0, -1e+32], N[(N[(N[(y - 1.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * 3.0), $MachinePrecision], If[LessEqual[t$95$0, 2e+152], N[(N[(N[(N[(0.1111111111111111 / x), $MachinePrecision] - 1.0), $MachinePrecision] * 3.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision], N[(N[(N[Sqrt[x], $MachinePrecision] * y), $MachinePrecision] * 3.0), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(3 \cdot \sqrt{x}\right) \cdot \left(\left(y + {\left(x \cdot 9\right)}^{-1}\right) - 1\right)\\
\mathbf{if}\;t\_0 \leq -1 \cdot 10^{+32}:\\
\;\;\;\;\left(\left(y - 1\right) \cdot \sqrt{x}\right) \cdot 3\\
\mathbf{elif}\;t\_0 \leq 2 \cdot 10^{+152}:\\
\;\;\;\;\left(\left(\frac{0.1111111111111111}{x} - 1\right) \cdot 3\right) \cdot \sqrt{x}\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{x} \cdot y\right) \cdot 3\\
\end{array}
\end{array}
if (*.f64 (*.f64 #s(literal 3 binary64) (sqrt.f64 x)) (-.f64 (+.f64 y (/.f64 #s(literal 1 binary64) (*.f64 x #s(literal 9 binary64)))) #s(literal 1 binary64))) < -1.00000000000000005e32Initial program 99.6%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.7%
Taylor expanded in x around 0
lower-*.f64N/A
lower-sqrt.f64N/A
lower-/.f641.3
Applied rewrites1.3%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
lower--.f64N/A
lower-sqrt.f6499.5
Applied rewrites99.5%
if -1.00000000000000005e32 < (*.f64 (*.f64 #s(literal 3 binary64) (sqrt.f64 x)) (-.f64 (+.f64 y (/.f64 #s(literal 1 binary64) (*.f64 x #s(literal 9 binary64)))) #s(literal 1 binary64))) < 2.0000000000000001e152Initial program 99.3%
Taylor expanded in y around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f64N/A
associate-*r/N/A
metadata-evalN/A
lower-/.f64N/A
lower-sqrt.f6486.5
Applied rewrites86.5%
if 2.0000000000000001e152 < (*.f64 (*.f64 #s(literal 3 binary64) (sqrt.f64 x)) (-.f64 (+.f64 y (/.f64 #s(literal 1 binary64) (*.f64 x #s(literal 9 binary64)))) #s(literal 1 binary64))) Initial program 99.6%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f6499.7
Applied rewrites99.7%
Final simplification93.3%
(FPCore (x y) :precision binary64 (* (* (- (- y (/ -0.1111111111111111 x)) 1.0) (sqrt x)) 3.0))
double code(double x, double y) {
return (((y - (-0.1111111111111111 / x)) - 1.0) * sqrt(x)) * 3.0;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (((y - ((-0.1111111111111111d0) / x)) - 1.0d0) * sqrt(x)) * 3.0d0
end function
public static double code(double x, double y) {
return (((y - (-0.1111111111111111 / x)) - 1.0) * Math.sqrt(x)) * 3.0;
}
def code(x, y): return (((y - (-0.1111111111111111 / x)) - 1.0) * math.sqrt(x)) * 3.0
function code(x, y) return Float64(Float64(Float64(Float64(y - Float64(-0.1111111111111111 / x)) - 1.0) * sqrt(x)) * 3.0) end
function tmp = code(x, y) tmp = (((y - (-0.1111111111111111 / x)) - 1.0) * sqrt(x)) * 3.0; end
code[x_, y_] := N[(N[(N[(N[(y - N[(-0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * 3.0), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(\left(y - \frac{-0.1111111111111111}{x}\right) - 1\right) \cdot \sqrt{x}\right) \cdot 3
\end{array}
Initial program 99.5%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.5%
(FPCore (x y) :precision binary64 (if (or (<= y -32500000000.0) (not (<= y 1.0))) (* (* (sqrt x) y) 3.0) (* -3.0 (sqrt x))))
double code(double x, double y) {
double tmp;
if ((y <= -32500000000.0) || !(y <= 1.0)) {
tmp = (sqrt(x) * y) * 3.0;
} else {
tmp = -3.0 * sqrt(x);
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if ((y <= (-32500000000.0d0)) .or. (.not. (y <= 1.0d0))) then
tmp = (sqrt(x) * y) * 3.0d0
else
tmp = (-3.0d0) * sqrt(x)
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if ((y <= -32500000000.0) || !(y <= 1.0)) {
tmp = (Math.sqrt(x) * y) * 3.0;
} else {
tmp = -3.0 * Math.sqrt(x);
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -32500000000.0) or not (y <= 1.0): tmp = (math.sqrt(x) * y) * 3.0 else: tmp = -3.0 * math.sqrt(x) return tmp
function code(x, y) tmp = 0.0 if ((y <= -32500000000.0) || !(y <= 1.0)) tmp = Float64(Float64(sqrt(x) * y) * 3.0); else tmp = Float64(-3.0 * sqrt(x)); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if ((y <= -32500000000.0) || ~((y <= 1.0))) tmp = (sqrt(x) * y) * 3.0; else tmp = -3.0 * sqrt(x); end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -32500000000.0], N[Not[LessEqual[y, 1.0]], $MachinePrecision]], N[(N[(N[Sqrt[x], $MachinePrecision] * y), $MachinePrecision] * 3.0), $MachinePrecision], N[(-3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -32500000000 \lor \neg \left(y \leq 1\right):\\
\;\;\;\;\left(\sqrt{x} \cdot y\right) \cdot 3\\
\mathbf{else}:\\
\;\;\;\;-3 \cdot \sqrt{x}\\
\end{array}
\end{array}
if y < -3.25e10 or 1 < y Initial program 99.5%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f6475.5
Applied rewrites75.5%
if -3.25e10 < y < 1Initial program 99.4%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.3%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites62.0%
Taylor expanded in x around inf
Applied rewrites51.3%
Taylor expanded in y around 0
Applied rewrites50.1%
Final simplification62.0%
(FPCore (x y) :precision binary64 (if (or (<= y -32500000000.0) (not (<= y 1.0))) (* (* 3.0 y) (sqrt x)) (* -3.0 (sqrt x))))
double code(double x, double y) {
double tmp;
if ((y <= -32500000000.0) || !(y <= 1.0)) {
tmp = (3.0 * y) * sqrt(x);
} else {
tmp = -3.0 * sqrt(x);
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if ((y <= (-32500000000.0d0)) .or. (.not. (y <= 1.0d0))) then
tmp = (3.0d0 * y) * sqrt(x)
else
tmp = (-3.0d0) * sqrt(x)
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if ((y <= -32500000000.0) || !(y <= 1.0)) {
tmp = (3.0 * y) * Math.sqrt(x);
} else {
tmp = -3.0 * Math.sqrt(x);
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -32500000000.0) or not (y <= 1.0): tmp = (3.0 * y) * math.sqrt(x) else: tmp = -3.0 * math.sqrt(x) return tmp
function code(x, y) tmp = 0.0 if ((y <= -32500000000.0) || !(y <= 1.0)) tmp = Float64(Float64(3.0 * y) * sqrt(x)); else tmp = Float64(-3.0 * sqrt(x)); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if ((y <= -32500000000.0) || ~((y <= 1.0))) tmp = (3.0 * y) * sqrt(x); else tmp = -3.0 * sqrt(x); end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -32500000000.0], N[Not[LessEqual[y, 1.0]], $MachinePrecision]], N[(N[(3.0 * y), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision], N[(-3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -32500000000 \lor \neg \left(y \leq 1\right):\\
\;\;\;\;\left(3 \cdot y\right) \cdot \sqrt{x}\\
\mathbf{else}:\\
\;\;\;\;-3 \cdot \sqrt{x}\\
\end{array}
\end{array}
if y < -3.25e10 or 1 < y Initial program 99.5%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f6475.5
Applied rewrites75.5%
Applied rewrites75.4%
if -3.25e10 < y < 1Initial program 99.4%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.3%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites62.0%
Taylor expanded in x around inf
Applied rewrites51.3%
Taylor expanded in y around 0
Applied rewrites50.1%
Final simplification62.0%
(FPCore (x y) :precision binary64 (* (* (- y 1.0) (sqrt x)) 3.0))
double code(double x, double y) {
return ((y - 1.0) * sqrt(x)) * 3.0;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = ((y - 1.0d0) * sqrt(x)) * 3.0d0
end function
public static double code(double x, double y) {
return ((y - 1.0) * Math.sqrt(x)) * 3.0;
}
def code(x, y): return ((y - 1.0) * math.sqrt(x)) * 3.0
function code(x, y) return Float64(Float64(Float64(y - 1.0) * sqrt(x)) * 3.0) end
function tmp = code(x, y) tmp = ((y - 1.0) * sqrt(x)) * 3.0; end
code[x_, y_] := N[(N[(N[(y - 1.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * 3.0), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(y - 1\right) \cdot \sqrt{x}\right) \cdot 3
\end{array}
Initial program 99.5%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.5%
Taylor expanded in x around 0
lower-*.f64N/A
lower-sqrt.f64N/A
lower-/.f6436.4
Applied rewrites36.4%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
lower--.f64N/A
lower-sqrt.f6463.3
Applied rewrites63.3%
(FPCore (x y) :precision binary64 (* (* (- y 1.0) 3.0) (sqrt x)))
double code(double x, double y) {
return ((y - 1.0) * 3.0) * sqrt(x);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = ((y - 1.0d0) * 3.0d0) * sqrt(x)
end function
public static double code(double x, double y) {
return ((y - 1.0) * 3.0) * Math.sqrt(x);
}
def code(x, y): return ((y - 1.0) * 3.0) * math.sqrt(x)
function code(x, y) return Float64(Float64(Float64(y - 1.0) * 3.0) * sqrt(x)) end
function tmp = code(x, y) tmp = ((y - 1.0) * 3.0) * sqrt(x); end
code[x_, y_] := N[(N[(N[(y - 1.0), $MachinePrecision] * 3.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(y - 1\right) \cdot 3\right) \cdot \sqrt{x}
\end{array}
Initial program 99.5%
Taylor expanded in x around inf
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-*.f64N/A
lower--.f64N/A
lower-sqrt.f6463.3
Applied rewrites63.3%
(FPCore (x y) :precision binary64 (* (sqrt x) (fma 3.0 y -3.0)))
double code(double x, double y) {
return sqrt(x) * fma(3.0, y, -3.0);
}
function code(x, y) return Float64(sqrt(x) * fma(3.0, y, -3.0)) end
code[x_, y_] := N[(N[Sqrt[x], $MachinePrecision] * N[(3.0 * y + -3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sqrt{x} \cdot \mathsf{fma}\left(3, y, -3\right)
\end{array}
Initial program 99.5%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.5%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites79.5%
Taylor expanded in x around inf
Applied rewrites63.2%
Taylor expanded in x around -inf
Applied rewrites63.2%
(FPCore (x y) :precision binary64 (* -3.0 (sqrt x)))
double code(double x, double y) {
return -3.0 * sqrt(x);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (-3.0d0) * sqrt(x)
end function
public static double code(double x, double y) {
return -3.0 * Math.sqrt(x);
}
def code(x, y): return -3.0 * math.sqrt(x)
function code(x, y) return Float64(-3.0 * sqrt(x)) end
function tmp = code(x, y) tmp = -3.0 * sqrt(x); end
code[x_, y_] := N[(-3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
-3 \cdot \sqrt{x}
\end{array}
Initial program 99.5%
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f64N/A
Applied rewrites99.5%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites79.5%
Taylor expanded in x around inf
Applied rewrites63.2%
Taylor expanded in y around 0
Applied rewrites27.8%
(FPCore (x y) :precision binary64 (* 3.0 (+ (* y (sqrt x)) (* (- (/ 1.0 (* x 9.0)) 1.0) (sqrt x)))))
double code(double x, double y) {
return 3.0 * ((y * sqrt(x)) + (((1.0 / (x * 9.0)) - 1.0) * sqrt(x)));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 3.0d0 * ((y * sqrt(x)) + (((1.0d0 / (x * 9.0d0)) - 1.0d0) * sqrt(x)))
end function
public static double code(double x, double y) {
return 3.0 * ((y * Math.sqrt(x)) + (((1.0 / (x * 9.0)) - 1.0) * Math.sqrt(x)));
}
def code(x, y): return 3.0 * ((y * math.sqrt(x)) + (((1.0 / (x * 9.0)) - 1.0) * math.sqrt(x)))
function code(x, y) return Float64(3.0 * Float64(Float64(y * sqrt(x)) + Float64(Float64(Float64(1.0 / Float64(x * 9.0)) - 1.0) * sqrt(x)))) end
function tmp = code(x, y) tmp = 3.0 * ((y * sqrt(x)) + (((1.0 / (x * 9.0)) - 1.0) * sqrt(x))); end
code[x_, y_] := N[(3.0 * N[(N[(y * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] + N[(N[(N[(1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
3 \cdot \left(y \cdot \sqrt{x} + \left(\frac{1}{x \cdot 9} - 1\right) \cdot \sqrt{x}\right)
\end{array}
herbie shell --seed 2024338
(FPCore (x y)
:name "Numeric.SpecFunctions:incompleteGamma from math-functions-0.1.5.2, B"
:precision binary64
:alt
(! :herbie-platform default (* 3 (+ (* y (sqrt x)) (* (- (/ 1 (* x 9)) 1) (sqrt x)))))
(* (* 3.0 (sqrt x)) (- (+ y (/ 1.0 (* x 9.0))) 1.0)))