
(FPCore (a rand) :precision binary64 (let* ((t_0 (- a (/ 1.0 3.0)))) (* t_0 (+ 1.0 (* (/ 1.0 (sqrt (* 9.0 t_0))) rand)))))
double code(double a, double rand) {
double t_0 = a - (1.0 / 3.0);
return t_0 * (1.0 + ((1.0 / sqrt((9.0 * t_0))) * rand));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: t_0
t_0 = a - (1.0d0 / 3.0d0)
code = t_0 * (1.0d0 + ((1.0d0 / sqrt((9.0d0 * t_0))) * rand))
end function
public static double code(double a, double rand) {
double t_0 = a - (1.0 / 3.0);
return t_0 * (1.0 + ((1.0 / Math.sqrt((9.0 * t_0))) * rand));
}
def code(a, rand): t_0 = a - (1.0 / 3.0) return t_0 * (1.0 + ((1.0 / math.sqrt((9.0 * t_0))) * rand))
function code(a, rand) t_0 = Float64(a - Float64(1.0 / 3.0)) return Float64(t_0 * Float64(1.0 + Float64(Float64(1.0 / sqrt(Float64(9.0 * t_0))) * rand))) end
function tmp = code(a, rand) t_0 = a - (1.0 / 3.0); tmp = t_0 * (1.0 + ((1.0 / sqrt((9.0 * t_0))) * rand)); end
code[a_, rand_] := Block[{t$95$0 = N[(a - N[(1.0 / 3.0), $MachinePrecision]), $MachinePrecision]}, N[(t$95$0 * N[(1.0 + N[(N[(1.0 / N[Sqrt[N[(9.0 * t$95$0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * rand), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := a - \frac{1}{3}\\
t\_0 \cdot \left(1 + \frac{1}{\sqrt{9 \cdot t\_0}} \cdot rand\right)
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 11 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a rand) :precision binary64 (let* ((t_0 (- a (/ 1.0 3.0)))) (* t_0 (+ 1.0 (* (/ 1.0 (sqrt (* 9.0 t_0))) rand)))))
double code(double a, double rand) {
double t_0 = a - (1.0 / 3.0);
return t_0 * (1.0 + ((1.0 / sqrt((9.0 * t_0))) * rand));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: t_0
t_0 = a - (1.0d0 / 3.0d0)
code = t_0 * (1.0d0 + ((1.0d0 / sqrt((9.0d0 * t_0))) * rand))
end function
public static double code(double a, double rand) {
double t_0 = a - (1.0 / 3.0);
return t_0 * (1.0 + ((1.0 / Math.sqrt((9.0 * t_0))) * rand));
}
def code(a, rand): t_0 = a - (1.0 / 3.0) return t_0 * (1.0 + ((1.0 / math.sqrt((9.0 * t_0))) * rand))
function code(a, rand) t_0 = Float64(a - Float64(1.0 / 3.0)) return Float64(t_0 * Float64(1.0 + Float64(Float64(1.0 / sqrt(Float64(9.0 * t_0))) * rand))) end
function tmp = code(a, rand) t_0 = a - (1.0 / 3.0); tmp = t_0 * (1.0 + ((1.0 / sqrt((9.0 * t_0))) * rand)); end
code[a_, rand_] := Block[{t$95$0 = N[(a - N[(1.0 / 3.0), $MachinePrecision]), $MachinePrecision]}, N[(t$95$0 * N[(1.0 + N[(N[(1.0 / N[Sqrt[N[(9.0 * t$95$0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * rand), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := a - \frac{1}{3}\\
t\_0 \cdot \left(1 + \frac{1}{\sqrt{9 \cdot t\_0}} \cdot rand\right)
\end{array}
\end{array}
(FPCore (a rand) :precision binary64 (* (+ a -0.3333333333333333) (+ 1.0 (/ rand (sqrt (+ (* a 9.0) -3.0))))))
double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + (rand / sqrt(((a * 9.0) + -3.0))));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = (a + (-0.3333333333333333d0)) * (1.0d0 + (rand / sqrt(((a * 9.0d0) + (-3.0d0)))))
end function
public static double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + (rand / Math.sqrt(((a * 9.0) + -3.0))));
}
def code(a, rand): return (a + -0.3333333333333333) * (1.0 + (rand / math.sqrt(((a * 9.0) + -3.0))))
function code(a, rand) return Float64(Float64(a + -0.3333333333333333) * Float64(1.0 + Float64(rand / sqrt(Float64(Float64(a * 9.0) + -3.0))))) end
function tmp = code(a, rand) tmp = (a + -0.3333333333333333) * (1.0 + (rand / sqrt(((a * 9.0) + -3.0)))); end
code[a_, rand_] := N[(N[(a + -0.3333333333333333), $MachinePrecision] * N[(1.0 + N[(rand / N[Sqrt[N[(N[(a * 9.0), $MachinePrecision] + -3.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + -0.3333333333333333\right) \cdot \left(1 + \frac{rand}{\sqrt{a \cdot 9 + -3}}\right)
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (a rand) :precision binary64 (if (or (<= rand -2.8e+69) (not (<= rand 1.12e+92))) (* 0.3333333333333333 (* rand (sqrt a))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -2.8e+69) || !(rand <= 1.12e+92)) {
tmp = 0.3333333333333333 * (rand * sqrt(a));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if ((rand <= (-2.8d+69)) .or. (.not. (rand <= 1.12d+92))) then
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
else
tmp = a - 0.3333333333333333d0
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if ((rand <= -2.8e+69) || !(rand <= 1.12e+92)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -2.8e+69) or not (rand <= 1.12e+92): tmp = 0.3333333333333333 * (rand * math.sqrt(a)) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -2.8e+69) || !(rand <= 1.12e+92)) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); else tmp = Float64(a - 0.3333333333333333); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -2.8e+69) || ~((rand <= 1.12e+92))) tmp = 0.3333333333333333 * (rand * sqrt(a)); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -2.8e+69], N[Not[LessEqual[rand, 1.12e+92]], $MachinePrecision]], N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a - 0.3333333333333333), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -2.8 \cdot 10^{+69} \lor \neg \left(rand \leq 1.12 \cdot 10^{+92}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -2.79999999999999982e69 or 1.1199999999999999e92 < rand Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
associate-*l/99.7%
*-lft-identity99.7%
sub-neg99.7%
distribute-lft-in99.7%
metadata-eval99.7%
metadata-eval99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in a around inf 99.2%
Taylor expanded in a around 0 91.5%
if -2.79999999999999982e69 < rand < 1.1199999999999999e92Initial program 100.0%
*-lft-identity100.0%
*-lft-identity100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-*l/100.0%
*-lft-identity100.0%
sub-neg100.0%
distribute-lft-in100.0%
metadata-eval100.0%
metadata-eval100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in rand around 0 97.7%
Final simplification95.5%
(FPCore (a rand)
:precision binary64
(if (<= rand -3.1e+69)
(* 0.3333333333333333 (* rand (sqrt a)))
(if (<= rand 2.9e+90)
(- a 0.3333333333333333)
(* rand (sqrt (* a 0.1111111111111111))))))
double code(double a, double rand) {
double tmp;
if (rand <= -3.1e+69) {
tmp = 0.3333333333333333 * (rand * sqrt(a));
} else if (rand <= 2.9e+90) {
tmp = a - 0.3333333333333333;
} else {
tmp = rand * sqrt((a * 0.1111111111111111));
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= (-3.1d+69)) then
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
else if (rand <= 2.9d+90) then
tmp = a - 0.3333333333333333d0
else
tmp = rand * sqrt((a * 0.1111111111111111d0))
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -3.1e+69) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else if (rand <= 2.9e+90) {
tmp = a - 0.3333333333333333;
} else {
tmp = rand * Math.sqrt((a * 0.1111111111111111));
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -3.1e+69: tmp = 0.3333333333333333 * (rand * math.sqrt(a)) elif rand <= 2.9e+90: tmp = a - 0.3333333333333333 else: tmp = rand * math.sqrt((a * 0.1111111111111111)) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -3.1e+69) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); elseif (rand <= 2.9e+90) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(rand * sqrt(Float64(a * 0.1111111111111111))); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -3.1e+69) tmp = 0.3333333333333333 * (rand * sqrt(a)); elseif (rand <= 2.9e+90) tmp = a - 0.3333333333333333; else tmp = rand * sqrt((a * 0.1111111111111111)); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -3.1e+69], N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 2.9e+90], N[(a - 0.3333333333333333), $MachinePrecision], N[(rand * N[Sqrt[N[(a * 0.1111111111111111), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -3.1 \cdot 10^{+69}:\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{elif}\;rand \leq 2.9 \cdot 10^{+90}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;rand \cdot \sqrt{a \cdot 0.1111111111111111}\\
\end{array}
\end{array}
if rand < -3.0999999999999998e69Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
associate-*l/99.7%
*-lft-identity99.7%
sub-neg99.7%
distribute-lft-in99.7%
metadata-eval99.7%
metadata-eval99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in a around inf 99.6%
Taylor expanded in a around 0 92.9%
if -3.0999999999999998e69 < rand < 2.9000000000000001e90Initial program 100.0%
*-lft-identity100.0%
*-lft-identity100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
associate-*l/100.0%
*-lft-identity100.0%
sub-neg100.0%
distribute-lft-in100.0%
metadata-eval100.0%
metadata-eval100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in rand around 0 97.7%
if 2.9000000000000001e90 < rand Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
associate-*l/99.7%
*-lft-identity99.7%
sub-neg99.7%
distribute-lft-in99.7%
metadata-eval99.7%
metadata-eval99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in a around inf 98.8%
Taylor expanded in rand around inf 98.9%
Taylor expanded in a around 0 92.0%
add-sqr-sqrt91.8%
sqrt-unprod92.0%
*-commutative92.0%
*-commutative92.0%
swap-sqr92.0%
add-sqr-sqrt92.2%
metadata-eval92.2%
Applied egg-rr92.2%
Final simplification95.8%
(FPCore (a rand) :precision binary64 (* (+ a -0.3333333333333333) (- 1.0 (/ rand (* -3.0 (sqrt a))))))
double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 - (rand / (-3.0 * sqrt(a))));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = (a + (-0.3333333333333333d0)) * (1.0d0 - (rand / ((-3.0d0) * sqrt(a))))
end function
public static double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 - (rand / (-3.0 * Math.sqrt(a))));
}
def code(a, rand): return (a + -0.3333333333333333) * (1.0 - (rand / (-3.0 * math.sqrt(a))))
function code(a, rand) return Float64(Float64(a + -0.3333333333333333) * Float64(1.0 - Float64(rand / Float64(-3.0 * sqrt(a))))) end
function tmp = code(a, rand) tmp = (a + -0.3333333333333333) * (1.0 - (rand / (-3.0 * sqrt(a)))); end
code[a_, rand_] := N[(N[(a + -0.3333333333333333), $MachinePrecision] * N[(1.0 - N[(rand / N[(-3.0 * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + -0.3333333333333333\right) \cdot \left(1 - \frac{rand}{-3 \cdot \sqrt{a}}\right)
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in a around -inf 0.0%
*-commutative0.0%
unpow20.0%
rem-square-sqrt99.7%
mul-1-neg99.7%
Simplified99.7%
Final simplification99.7%
(FPCore (a rand) :precision binary64 (- (+ a (* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333))))) 0.3333333333333333))
double code(double a, double rand) {
return (a + (0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))))) - 0.3333333333333333;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = (a + (0.3333333333333333d0 * (rand * sqrt((a - 0.3333333333333333d0))))) - 0.3333333333333333d0
end function
public static double code(double a, double rand) {
return (a + (0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333))))) - 0.3333333333333333;
}
def code(a, rand): return (a + (0.3333333333333333 * (rand * math.sqrt((a - 0.3333333333333333))))) - 0.3333333333333333
function code(a, rand) return Float64(Float64(a + Float64(0.3333333333333333 * Float64(rand * sqrt(Float64(a - 0.3333333333333333))))) - 0.3333333333333333) end
function tmp = code(a, rand) tmp = (a + (0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))))) - 0.3333333333333333; end
code[a_, rand_] := N[(N[(a + N[(0.3333333333333333 * N[(rand * N[Sqrt[N[(a - 0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 0.3333333333333333), $MachinePrecision]
\begin{array}{l}
\\
\left(a + 0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\right) - 0.3333333333333333
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in rand around 0 99.5%
(FPCore (a rand) :precision binary64 (- (+ a (* 0.3333333333333333 (* rand (sqrt a)))) 0.3333333333333333))
double code(double a, double rand) {
return (a + (0.3333333333333333 * (rand * sqrt(a)))) - 0.3333333333333333;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = (a + (0.3333333333333333d0 * (rand * sqrt(a)))) - 0.3333333333333333d0
end function
public static double code(double a, double rand) {
return (a + (0.3333333333333333 * (rand * Math.sqrt(a)))) - 0.3333333333333333;
}
def code(a, rand): return (a + (0.3333333333333333 * (rand * math.sqrt(a)))) - 0.3333333333333333
function code(a, rand) return Float64(Float64(a + Float64(0.3333333333333333 * Float64(rand * sqrt(a)))) - 0.3333333333333333) end
function tmp = code(a, rand) tmp = (a + (0.3333333333333333 * (rand * sqrt(a)))) - 0.3333333333333333; end
code[a_, rand_] := N[(N[(a + N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 0.3333333333333333), $MachinePrecision]
\begin{array}{l}
\\
\left(a + 0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\right) - 0.3333333333333333
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in rand around 0 99.5%
Taylor expanded in a around inf 99.4%
Final simplification99.4%
(FPCore (a rand) :precision binary64 (+ a (* rand (sqrt (* a 0.1111111111111111)))))
double code(double a, double rand) {
return a + (rand * sqrt((a * 0.1111111111111111)));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a + (rand * sqrt((a * 0.1111111111111111d0)))
end function
public static double code(double a, double rand) {
return a + (rand * Math.sqrt((a * 0.1111111111111111)));
}
def code(a, rand): return a + (rand * math.sqrt((a * 0.1111111111111111)))
function code(a, rand) return Float64(a + Float64(rand * sqrt(Float64(a * 0.1111111111111111)))) end
function tmp = code(a, rand) tmp = a + (rand * sqrt((a * 0.1111111111111111))); end
code[a_, rand_] := N[(a + N[(rand * N[Sqrt[N[(a * 0.1111111111111111), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a + rand \cdot \sqrt{a \cdot 0.1111111111111111}
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in a around inf 98.4%
Taylor expanded in a around 0 98.1%
Taylor expanded in a around -inf 0.0%
associate-*r*0.0%
*-commutative0.0%
unpow20.0%
rem-square-sqrt98.4%
neg-mul-198.4%
metadata-eval98.4%
distribute-lft-neg-in98.4%
distribute-lft-neg-in98.4%
distribute-rgt-neg-in98.4%
*-commutative98.4%
associate-*r*98.4%
remove-double-neg98.4%
*-commutative98.4%
Simplified98.4%
Taylor expanded in a around 0 98.1%
associate-*r*98.4%
*-commutative98.4%
metadata-eval98.4%
rem-square-sqrt98.4%
rem-sqrt-square98.4%
fabs-mul98.4%
rem-sqrt-square98.4%
swap-sqr98.4%
metadata-eval98.4%
rem-square-sqrt98.5%
*-commutative98.5%
Simplified98.5%
(FPCore (a rand) :precision binary64 (+ a (* 0.3333333333333333 (* rand (sqrt a)))))
double code(double a, double rand) {
return a + (0.3333333333333333 * (rand * sqrt(a)));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a + (0.3333333333333333d0 * (rand * sqrt(a)))
end function
public static double code(double a, double rand) {
return a + (0.3333333333333333 * (rand * Math.sqrt(a)));
}
def code(a, rand): return a + (0.3333333333333333 * (rand * math.sqrt(a)))
function code(a, rand) return Float64(a + Float64(0.3333333333333333 * Float64(rand * sqrt(a)))) end
function tmp = code(a, rand) tmp = a + (0.3333333333333333 * (rand * sqrt(a))); end
code[a_, rand_] := N[(a + N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a + 0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in a around inf 98.4%
Taylor expanded in a around 0 98.1%
Final simplification98.1%
(FPCore (a rand) :precision binary64 (- a 0.3333333333333333))
double code(double a, double rand) {
return a - 0.3333333333333333;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a - 0.3333333333333333d0
end function
public static double code(double a, double rand) {
return a - 0.3333333333333333;
}
def code(a, rand): return a - 0.3333333333333333
function code(a, rand) return Float64(a - 0.3333333333333333) end
function tmp = code(a, rand) tmp = a - 0.3333333333333333; end
code[a_, rand_] := N[(a - 0.3333333333333333), $MachinePrecision]
\begin{array}{l}
\\
a - 0.3333333333333333
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 65.2%
(FPCore (a rand) :precision binary64 a)
double code(double a, double rand) {
return a;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a
end function
public static double code(double a, double rand) {
return a;
}
def code(a, rand): return a
function code(a, rand) return a end
function tmp = code(a, rand) tmp = a; end
code[a_, rand_] := a
\begin{array}{l}
\\
a
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 65.2%
Taylor expanded in a around inf 64.1%
(FPCore (a rand) :precision binary64 -0.3333333333333333)
double code(double a, double rand) {
return -0.3333333333333333;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = -0.3333333333333333d0
end function
public static double code(double a, double rand) {
return -0.3333333333333333;
}
def code(a, rand): return -0.3333333333333333
function code(a, rand) return -0.3333333333333333 end
function tmp = code(a, rand) tmp = -0.3333333333333333; end
code[a_, rand_] := -0.3333333333333333
\begin{array}{l}
\\
-0.3333333333333333
\end{array}
Initial program 99.8%
*-lft-identity99.8%
*-lft-identity99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 65.2%
Taylor expanded in a around 0 1.4%
herbie shell --seed 2024137
(FPCore (a rand)
:name "Octave 3.8, oct_fill_randg"
:precision binary64
(* (- a (/ 1.0 3.0)) (+ 1.0 (* (/ 1.0 (sqrt (* 9.0 (- a (/ 1.0 3.0))))) rand))))