
(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 14 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 -1.8e+100) (not (<= rand 2.1e+63))) (* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333)))) (* a (- 1.0 (/ 0.3333333333333333 a)))))
double code(double a, double rand) {
double tmp;
if ((rand <= -1.8e+100) || !(rand <= 2.1e+63)) {
tmp = 0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333)));
} else {
tmp = a * (1.0 - (0.3333333333333333 / a));
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if ((rand <= (-1.8d+100)) .or. (.not. (rand <= 2.1d+63))) then
tmp = 0.3333333333333333d0 * (rand * sqrt((a - 0.3333333333333333d0)))
else
tmp = a * (1.0d0 - (0.3333333333333333d0 / a))
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if ((rand <= -1.8e+100) || !(rand <= 2.1e+63)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333)));
} else {
tmp = a * (1.0 - (0.3333333333333333 / a));
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -1.8e+100) or not (rand <= 2.1e+63): tmp = 0.3333333333333333 * (rand * math.sqrt((a - 0.3333333333333333))) else: tmp = a * (1.0 - (0.3333333333333333 / a)) return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -1.8e+100) || !(rand <= 2.1e+63)) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(Float64(a - 0.3333333333333333)))); else tmp = Float64(a * Float64(1.0 - Float64(0.3333333333333333 / a))); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -1.8e+100) || ~((rand <= 2.1e+63))) tmp = 0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))); else tmp = a * (1.0 - (0.3333333333333333 / a)); end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -1.8e+100], N[Not[LessEqual[rand, 2.1e+63]], $MachinePrecision]], N[(0.3333333333333333 * N[(rand * N[Sqrt[N[(a - 0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 - N[(0.3333333333333333 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -1.8 \cdot 10^{+100} \lor \neg \left(rand \leq 2.1 \cdot 10^{+63}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\\
\mathbf{else}:\\
\;\;\;\;a \cdot \left(1 - \frac{0.3333333333333333}{a}\right)\\
\end{array}
\end{array}
if rand < -1.8e100 or 2.1000000000000002e63 < rand Initial program 99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
*-commutative99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
Simplified99.6%
Taylor expanded in rand around inf 93.1%
if -1.8e100 < rand < 2.1000000000000002e63Initial program 99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
*-commutative99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 95.7%
*-rgt-identity95.7%
Applied egg-rr95.7%
Taylor expanded in a around inf 95.7%
associate-*r/95.7%
metadata-eval95.7%
Simplified95.7%
Final simplification94.8%
(FPCore (a rand) :precision binary64 (if (or (<= rand -3e+107) (not (<= rand 3e+81))) (/ (sqrt a) (/ 3.0 rand)) (* a (- 1.0 (/ 0.3333333333333333 a)))))
double code(double a, double rand) {
double tmp;
if ((rand <= -3e+107) || !(rand <= 3e+81)) {
tmp = sqrt(a) / (3.0 / rand);
} else {
tmp = a * (1.0 - (0.3333333333333333 / a));
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if ((rand <= (-3d+107)) .or. (.not. (rand <= 3d+81))) then
tmp = sqrt(a) / (3.0d0 / rand)
else
tmp = a * (1.0d0 - (0.3333333333333333d0 / a))
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if ((rand <= -3e+107) || !(rand <= 3e+81)) {
tmp = Math.sqrt(a) / (3.0 / rand);
} else {
tmp = a * (1.0 - (0.3333333333333333 / a));
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -3e+107) or not (rand <= 3e+81): tmp = math.sqrt(a) / (3.0 / rand) else: tmp = a * (1.0 - (0.3333333333333333 / a)) return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -3e+107) || !(rand <= 3e+81)) tmp = Float64(sqrt(a) / Float64(3.0 / rand)); else tmp = Float64(a * Float64(1.0 - Float64(0.3333333333333333 / a))); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -3e+107) || ~((rand <= 3e+81))) tmp = sqrt(a) / (3.0 / rand); else tmp = a * (1.0 - (0.3333333333333333 / a)); end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -3e+107], N[Not[LessEqual[rand, 3e+81]], $MachinePrecision]], N[(N[Sqrt[a], $MachinePrecision] / N[(3.0 / rand), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 - N[(0.3333333333333333 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -3 \cdot 10^{+107} \lor \neg \left(rand \leq 3 \cdot 10^{+81}\right):\\
\;\;\;\;\frac{\sqrt{a}}{\frac{3}{rand}}\\
\mathbf{else}:\\
\;\;\;\;a \cdot \left(1 - \frac{0.3333333333333333}{a}\right)\\
\end{array}
\end{array}
if rand < -3.00000000000000023e107 or 2.99999999999999997e81 < 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 rand around inf 78.5%
Taylor expanded in a around inf 91.4%
add-log-exp37.9%
*-un-lft-identity37.9%
log-prod37.9%
metadata-eval37.9%
add-log-exp91.4%
*-commutative91.4%
associate-*l*91.3%
*-commutative91.3%
Applied egg-rr91.3%
+-lft-identity91.3%
metadata-eval91.3%
associate-/r/91.4%
un-div-inv91.6%
Applied egg-rr91.6%
if -3.00000000000000023e107 < rand < 2.99999999999999997e81Initial program 99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
*-commutative99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 94.2%
*-rgt-identity94.2%
Applied egg-rr94.2%
Taylor expanded in a around inf 94.2%
associate-*r/94.2%
metadata-eval94.2%
Simplified94.2%
Final simplification93.3%
(FPCore (a rand) :precision binary64 (if (or (<= rand -1.8e+100) (not (<= rand 1.68e+81))) (* 0.3333333333333333 (* rand (sqrt a))) (* a (- 1.0 (/ 0.3333333333333333 a)))))
double code(double a, double rand) {
double tmp;
if ((rand <= -1.8e+100) || !(rand <= 1.68e+81)) {
tmp = 0.3333333333333333 * (rand * sqrt(a));
} else {
tmp = a * (1.0 - (0.3333333333333333 / a));
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if ((rand <= (-1.8d+100)) .or. (.not. (rand <= 1.68d+81))) then
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
else
tmp = a * (1.0d0 - (0.3333333333333333d0 / a))
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if ((rand <= -1.8e+100) || !(rand <= 1.68e+81)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else {
tmp = a * (1.0 - (0.3333333333333333 / a));
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -1.8e+100) or not (rand <= 1.68e+81): tmp = 0.3333333333333333 * (rand * math.sqrt(a)) else: tmp = a * (1.0 - (0.3333333333333333 / a)) return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -1.8e+100) || !(rand <= 1.68e+81)) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); else tmp = Float64(a * Float64(1.0 - Float64(0.3333333333333333 / a))); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -1.8e+100) || ~((rand <= 1.68e+81))) tmp = 0.3333333333333333 * (rand * sqrt(a)); else tmp = a * (1.0 - (0.3333333333333333 / a)); end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -1.8e+100], N[Not[LessEqual[rand, 1.68e+81]], $MachinePrecision]], N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 - N[(0.3333333333333333 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -1.8 \cdot 10^{+100} \lor \neg \left(rand \leq 1.68 \cdot 10^{+81}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{else}:\\
\;\;\;\;a \cdot \left(1 - \frac{0.3333333333333333}{a}\right)\\
\end{array}
\end{array}
if rand < -1.8e100 or 1.68000000000000001e81 < 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 rand around inf 78.5%
Taylor expanded in a around inf 91.4%
if -1.8e100 < rand < 1.68000000000000001e81Initial program 99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
*-commutative99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 94.2%
*-rgt-identity94.2%
Applied egg-rr94.2%
Taylor expanded in a around inf 94.2%
associate-*r/94.2%
metadata-eval94.2%
Simplified94.2%
Final simplification93.3%
(FPCore (a rand)
:precision binary64
(if (<= rand -2.2e+100)
(* rand (sqrt (* a 0.1111111111111111)))
(if (<= rand 1.05e+81)
(* a (- 1.0 (/ 0.3333333333333333 a)))
(* 0.3333333333333333 (* rand (sqrt a))))))
double code(double a, double rand) {
double tmp;
if (rand <= -2.2e+100) {
tmp = rand * sqrt((a * 0.1111111111111111));
} else if (rand <= 1.05e+81) {
tmp = a * (1.0 - (0.3333333333333333 / a));
} else {
tmp = 0.3333333333333333 * (rand * sqrt(a));
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= (-2.2d+100)) then
tmp = rand * sqrt((a * 0.1111111111111111d0))
else if (rand <= 1.05d+81) then
tmp = a * (1.0d0 - (0.3333333333333333d0 / a))
else
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -2.2e+100) {
tmp = rand * Math.sqrt((a * 0.1111111111111111));
} else if (rand <= 1.05e+81) {
tmp = a * (1.0 - (0.3333333333333333 / a));
} else {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -2.2e+100: tmp = rand * math.sqrt((a * 0.1111111111111111)) elif rand <= 1.05e+81: tmp = a * (1.0 - (0.3333333333333333 / a)) else: tmp = 0.3333333333333333 * (rand * math.sqrt(a)) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -2.2e+100) tmp = Float64(rand * sqrt(Float64(a * 0.1111111111111111))); elseif (rand <= 1.05e+81) tmp = Float64(a * Float64(1.0 - Float64(0.3333333333333333 / a))); else tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -2.2e+100) tmp = rand * sqrt((a * 0.1111111111111111)); elseif (rand <= 1.05e+81) tmp = a * (1.0 - (0.3333333333333333 / a)); else tmp = 0.3333333333333333 * (rand * sqrt(a)); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -2.2e+100], N[(rand * N[Sqrt[N[(a * 0.1111111111111111), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 1.05e+81], N[(a * N[(1.0 - N[(0.3333333333333333 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -2.2 \cdot 10^{+100}:\\
\;\;\;\;rand \cdot \sqrt{a \cdot 0.1111111111111111}\\
\mathbf{elif}\;rand \leq 1.05 \cdot 10^{+81}:\\
\;\;\;\;a \cdot \left(1 - \frac{0.3333333333333333}{a}\right)\\
\mathbf{else}:\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\end{array}
\end{array}
if rand < -2.2000000000000001e100Initial 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 rand around inf 71.8%
Taylor expanded in a around inf 93.3%
add-log-exp39.2%
*-un-lft-identity39.2%
log-prod39.2%
metadata-eval39.2%
add-log-exp93.3%
*-commutative93.3%
associate-*l*93.1%
*-commutative93.1%
Applied egg-rr93.1%
+-lft-identity93.1%
associate-*r*93.2%
*-commutative93.2%
add-sqr-sqrt93.1%
sqrt-unprod93.2%
*-commutative93.2%
*-commutative93.2%
swap-sqr93.4%
add-sqr-sqrt93.4%
metadata-eval93.4%
Applied egg-rr93.4%
if -2.2000000000000001e100 < rand < 1.0499999999999999e81Initial program 99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
*-commutative99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 94.2%
*-rgt-identity94.2%
Applied egg-rr94.2%
Taylor expanded in a around inf 94.2%
associate-*r/94.2%
metadata-eval94.2%
Simplified94.2%
if 1.0499999999999999e81 < rand Initial program 99.7%
*-lft-identity99.7%
*-lft-identity99.7%
sub-neg99.7%
metadata-eval99.7%
metadata-eval99.7%
associate-*l/99.8%
*-lft-identity99.8%
sub-neg99.8%
distribute-lft-in99.7%
metadata-eval99.7%
metadata-eval99.7%
metadata-eval99.7%
Simplified99.7%
Taylor expanded in rand around inf 86.1%
Taylor expanded in a around inf 89.3%
Final simplification93.3%
(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%
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 99.8%
(FPCore (a rand) :precision binary64 (* (+ a -0.3333333333333333) (+ 1.0 (/ rand (sqrt (* a 9.0))))))
double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + (rand / sqrt((a * 9.0))));
}
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))))
end function
public static double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + (rand / Math.sqrt((a * 9.0))));
}
def code(a, rand): return (a + -0.3333333333333333) * (1.0 + (rand / math.sqrt((a * 9.0))))
function code(a, rand) return Float64(Float64(a + -0.3333333333333333) * Float64(1.0 + Float64(rand / sqrt(Float64(a * 9.0))))) end
function tmp = code(a, rand) tmp = (a + -0.3333333333333333) * (1.0 + (rand / sqrt((a * 9.0)))); end
code[a_, rand_] := N[(N[(a + -0.3333333333333333), $MachinePrecision] * N[(1.0 + N[(rand / N[Sqrt[N[(a * 9.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + -0.3333333333333333\right) \cdot \left(1 + \frac{rand}{\sqrt{a \cdot 9}}\right)
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.9%
*-lft-identity99.9%
sub-neg99.9%
distribute-lft-in99.9%
*-commutative99.9%
fma-define99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in a around inf 98.2%
*-commutative98.2%
Simplified98.2%
(FPCore (a rand) :precision binary64 (* a (+ 1.0 (/ (/ rand 3.0) (sqrt a)))))
double code(double a, double rand) {
return a * (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 * (1.0d0 + ((rand / 3.0d0) / sqrt(a)))
end function
public static double code(double a, double rand) {
return a * (1.0 + ((rand / 3.0) / Math.sqrt(a)));
}
def code(a, rand): return a * (1.0 + ((rand / 3.0) / math.sqrt(a)))
function code(a, rand) return Float64(a * Float64(1.0 + Float64(Float64(rand / 3.0) / sqrt(a)))) end
function tmp = code(a, rand) tmp = a * (1.0 + ((rand / 3.0) / sqrt(a))); end
code[a_, rand_] := N[(a * N[(1.0 + N[(N[(rand / 3.0), $MachinePrecision] / N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a \cdot \left(1 + \frac{\frac{rand}{3}}{\sqrt{a}}\right)
\end{array}
Initial program 99.8%
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 a around inf 97.2%
*-commutative97.2%
metadata-eval97.2%
sqrt-div97.2%
metadata-eval97.2%
un-div-inv97.2%
times-frac97.3%
*-un-lft-identity97.3%
Applied egg-rr97.3%
associate-/r*97.3%
Simplified97.3%
(FPCore (a rand) :precision binary64 (* a (+ 1.0 (/ rand (* 3.0 (sqrt a))))))
double code(double a, double rand) {
return a * (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 * (1.0d0 + (rand / (3.0d0 * sqrt(a))))
end function
public static double code(double a, double rand) {
return a * (1.0 + (rand / (3.0 * Math.sqrt(a))));
}
def code(a, rand): return a * (1.0 + (rand / (3.0 * math.sqrt(a))))
function code(a, rand) return Float64(a * Float64(1.0 + Float64(rand / Float64(3.0 * sqrt(a))))) end
function tmp = code(a, rand) tmp = a * (1.0 + (rand / (3.0 * sqrt(a)))); end
code[a_, rand_] := N[(a * N[(1.0 + N[(rand / N[(3.0 * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a \cdot \left(1 + \frac{rand}{3 \cdot \sqrt{a}}\right)
\end{array}
Initial program 99.8%
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 a around inf 97.2%
*-commutative97.2%
metadata-eval97.2%
sqrt-div97.2%
metadata-eval97.2%
un-div-inv97.2%
times-frac97.3%
*-un-lft-identity97.3%
Applied egg-rr97.3%
(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%
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 a around inf 97.2%
Taylor expanded in a around 0 97.3%
Final simplification97.3%
(FPCore (a rand) :precision binary64 (* a (- 1.0 (/ 0.3333333333333333 a))))
double code(double a, double rand) {
return a * (1.0 - (0.3333333333333333 / a));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a * (1.0d0 - (0.3333333333333333d0 / a))
end function
public static double code(double a, double rand) {
return a * (1.0 - (0.3333333333333333 / a));
}
def code(a, rand): return a * (1.0 - (0.3333333333333333 / a))
function code(a, rand) return Float64(a * Float64(1.0 - Float64(0.3333333333333333 / a))) end
function tmp = code(a, rand) tmp = a * (1.0 - (0.3333333333333333 / a)); end
code[a_, rand_] := N[(a * N[(1.0 - N[(0.3333333333333333 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a \cdot \left(1 - \frac{0.3333333333333333}{a}\right)
\end{array}
Initial program 99.8%
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 64.2%
*-rgt-identity64.2%
Applied egg-rr64.2%
Taylor expanded in a around inf 64.2%
associate-*r/64.2%
metadata-eval64.2%
Simplified64.2%
(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%
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 64.2%
*-rgt-identity64.2%
Applied egg-rr64.2%
(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%
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 a around inf 97.2%
Taylor expanded in a around 0 97.3%
Taylor expanded in rand around 0 63.3%
(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%
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 64.2%
Taylor expanded in a around 0 1.6%
metadata-eval1.6%
Applied egg-rr1.6%
herbie shell --seed 2024178
(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))))