
(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 16 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 (fma a 9.0 -3.0))))))
double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + (rand / sqrt(fma(a, 9.0, -3.0))));
}
function code(a, rand) return Float64(Float64(a + -0.3333333333333333) * Float64(1.0 + Float64(rand / sqrt(fma(a, 9.0, -3.0))))) end
code[a_, rand_] := N[(N[(a + -0.3333333333333333), $MachinePrecision] * N[(1.0 + N[(rand / N[Sqrt[N[(a * 9.0 + -3.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + -0.3333333333333333\right) \cdot \left(1 + \frac{rand}{\sqrt{\mathsf{fma}\left(a, 9, -3\right)}}\right)
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.8%
*-lft-identity99.8%
sub-neg99.8%
distribute-lft-in99.8%
*-commutative99.8%
fma-define99.8%
metadata-eval99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
(FPCore (a rand) :precision binary64 (if (or (<= rand -4.5e+74) (not (<= rand 8.2e+86))) (* rand (sqrt (* (+ a -0.3333333333333333) 0.1111111111111111))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -4.5e+74) || !(rand <= 8.2e+86)) {
tmp = rand * sqrt(((a + -0.3333333333333333) * 0.1111111111111111));
} 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 <= (-4.5d+74)) .or. (.not. (rand <= 8.2d+86))) then
tmp = rand * sqrt(((a + (-0.3333333333333333d0)) * 0.1111111111111111d0))
else
tmp = a - 0.3333333333333333d0
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if ((rand <= -4.5e+74) || !(rand <= 8.2e+86)) {
tmp = rand * Math.sqrt(((a + -0.3333333333333333) * 0.1111111111111111));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -4.5e+74) or not (rand <= 8.2e+86): tmp = rand * math.sqrt(((a + -0.3333333333333333) * 0.1111111111111111)) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -4.5e+74) || !(rand <= 8.2e+86)) tmp = Float64(rand * sqrt(Float64(Float64(a + -0.3333333333333333) * 0.1111111111111111))); else tmp = Float64(a - 0.3333333333333333); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -4.5e+74) || ~((rand <= 8.2e+86))) tmp = rand * sqrt(((a + -0.3333333333333333) * 0.1111111111111111)); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -4.5e+74], N[Not[LessEqual[rand, 8.2e+86]], $MachinePrecision]], N[(rand * N[Sqrt[N[(N[(a + -0.3333333333333333), $MachinePrecision] * 0.1111111111111111), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(a - 0.3333333333333333), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -4.5 \cdot 10^{+74} \lor \neg \left(rand \leq 8.2 \cdot 10^{+86}\right):\\
\;\;\;\;rand \cdot \sqrt{\left(a + -0.3333333333333333\right) \cdot 0.1111111111111111}\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -4.5e74 or 8.1999999999999998e86 < rand Initial program 99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
associate-*l/99.6%
*-lft-identity99.6%
sub-neg99.6%
distribute-lft-in99.6%
metadata-eval99.6%
metadata-eval99.6%
metadata-eval99.6%
Simplified99.6%
add-sqr-sqrt53.1%
sqrt-unprod47.1%
frac-times35.4%
add-sqr-sqrt35.4%
metadata-eval35.4%
distribute-lft-in35.4%
*-commutative35.4%
add-sqr-sqrt35.4%
frac-times47.1%
*-un-lft-identity47.1%
associate-*l/47.0%
*-un-lft-identity47.0%
associate-*l/47.1%
sqrt-unprod53.1%
add-sqr-sqrt99.6%
associate-*l/99.6%
sqrt-prod99.6%
Applied egg-rr99.6%
associate-*l/99.6%
*-lft-identity99.6%
+-commutative99.6%
Simplified99.6%
add-sqr-sqrt99.5%
pow299.5%
Applied egg-rr99.5%
Taylor expanded in rand around inf 96.2%
*-commutative96.2%
sub-neg96.2%
metadata-eval96.2%
associate-*l*96.1%
metadata-eval96.1%
sub-neg96.1%
*-commutative96.1%
sub-neg96.1%
metadata-eval96.1%
+-commutative96.1%
Simplified96.1%
add-sqr-sqrt95.9%
sqrt-unprod96.1%
*-commutative96.1%
*-commutative96.1%
swap-sqr96.2%
add-sqr-sqrt96.3%
+-commutative96.3%
metadata-eval96.3%
Applied egg-rr96.3%
if -4.5e74 < rand < 8.1999999999999998e86Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
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 95.8%
Taylor expanded in a around 0 95.8%
Final simplification96.0%
(FPCore (a rand) :precision binary64 (if (or (<= rand -1.05e+76) (not (<= rand 2.5e+85))) (* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333)))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -1.05e+76) || !(rand <= 2.5e+85)) {
tmp = 0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333)));
} 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 <= (-1.05d+76)) .or. (.not. (rand <= 2.5d+85))) then
tmp = 0.3333333333333333d0 * (rand * sqrt((a - 0.3333333333333333d0)))
else
tmp = a - 0.3333333333333333d0
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if ((rand <= -1.05e+76) || !(rand <= 2.5e+85)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333)));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -1.05e+76) or not (rand <= 2.5e+85): tmp = 0.3333333333333333 * (rand * math.sqrt((a - 0.3333333333333333))) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -1.05e+76) || !(rand <= 2.5e+85)) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(Float64(a - 0.3333333333333333)))); else tmp = Float64(a - 0.3333333333333333); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -1.05e+76) || ~((rand <= 2.5e+85))) tmp = 0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -1.05e+76], N[Not[LessEqual[rand, 2.5e+85]], $MachinePrecision]], N[(0.3333333333333333 * N[(rand * N[Sqrt[N[(a - 0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a - 0.3333333333333333), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -1.05 \cdot 10^{+76} \lor \neg \left(rand \leq 2.5 \cdot 10^{+85}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -1.05000000000000003e76 or 2.5e85 < rand Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
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 96.2%
if -1.05000000000000003e76 < rand < 2.5e85Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
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 95.8%
Taylor expanded in a around 0 95.8%
Final simplification95.9%
(FPCore (a rand) :precision binary64 (if (or (<= rand -2.7e+74) (not (<= rand 3.8e+82))) (* (/ rand 3.0) (sqrt a)) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -2.7e+74) || !(rand <= 3.8e+82)) {
tmp = (rand / 3.0) * 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 <= (-2.7d+74)) .or. (.not. (rand <= 3.8d+82))) then
tmp = (rand / 3.0d0) * 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 <= -2.7e+74) || !(rand <= 3.8e+82)) {
tmp = (rand / 3.0) * Math.sqrt(a);
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -2.7e+74) or not (rand <= 3.8e+82): tmp = (rand / 3.0) * math.sqrt(a) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -2.7e+74) || !(rand <= 3.8e+82)) tmp = Float64(Float64(rand / 3.0) * sqrt(a)); else tmp = Float64(a - 0.3333333333333333); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -2.7e+74) || ~((rand <= 3.8e+82))) tmp = (rand / 3.0) * sqrt(a); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -2.7e+74], N[Not[LessEqual[rand, 3.8e+82]], $MachinePrecision]], N[(N[(rand / 3.0), $MachinePrecision] * N[Sqrt[a], $MachinePrecision]), $MachinePrecision], N[(a - 0.3333333333333333), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -2.7 \cdot 10^{+74} \lor \neg \left(rand \leq 3.8 \cdot 10^{+82}\right):\\
\;\;\;\;\frac{rand}{3} \cdot \sqrt{a}\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -2.6999999999999998e74 or 3.80000000000000033e82 < rand Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
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 a around inf 96.7%
pow196.7%
*-commutative96.7%
sqrt-div96.7%
metadata-eval96.7%
un-div-inv96.7%
Applied egg-rr96.7%
unpow196.7%
associate-*r/96.5%
Simplified96.5%
Taylor expanded in a around 0 93.3%
*-commutative93.3%
associate-*l*93.2%
*-commutative93.2%
Simplified93.2%
metadata-eval93.2%
associate-/r/93.2%
un-div-inv93.3%
Applied egg-rr93.3%
associate-/r/93.3%
associate-*l/93.3%
associate-/l*93.3%
Simplified93.3%
if -2.6999999999999998e74 < rand < 3.80000000000000033e82Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
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 95.8%
Taylor expanded in a around 0 95.8%
Final simplification94.8%
(FPCore (a rand) :precision binary64 (if (or (<= rand -4e+74) (not (<= rand 2.1e+84))) (* 0.3333333333333333 (* rand (sqrt a))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -4e+74) || !(rand <= 2.1e+84)) {
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 <= (-4d+74)) .or. (.not. (rand <= 2.1d+84))) 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 <= -4e+74) || !(rand <= 2.1e+84)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -4e+74) or not (rand <= 2.1e+84): tmp = 0.3333333333333333 * (rand * math.sqrt(a)) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -4e+74) || !(rand <= 2.1e+84)) 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 <= -4e+74) || ~((rand <= 2.1e+84))) tmp = 0.3333333333333333 * (rand * sqrt(a)); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -4e+74], N[Not[LessEqual[rand, 2.1e+84]], $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 -4 \cdot 10^{+74} \lor \neg \left(rand \leq 2.1 \cdot 10^{+84}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -3.99999999999999981e74 or 2.10000000000000019e84 < rand Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
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 a around inf 96.7%
pow196.7%
*-commutative96.7%
sqrt-div96.7%
metadata-eval96.7%
un-div-inv96.7%
Applied egg-rr96.7%
unpow196.7%
associate-*r/96.5%
Simplified96.5%
Taylor expanded in a around 0 93.3%
if -3.99999999999999981e74 < rand < 2.10000000000000019e84Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
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 95.8%
Taylor expanded in a around 0 95.8%
Final simplification94.8%
(FPCore (a rand) :precision binary64 (if (<= rand -9e+75) (* (/ rand 3.0) (sqrt a)) (if (<= rand 7.6e+81) (- a 0.3333333333333333) (/ (* rand (sqrt a)) 3.0))))
double code(double a, double rand) {
double tmp;
if (rand <= -9e+75) {
tmp = (rand / 3.0) * sqrt(a);
} else if (rand <= 7.6e+81) {
tmp = a - 0.3333333333333333;
} else {
tmp = (rand * sqrt(a)) / 3.0;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= (-9d+75)) then
tmp = (rand / 3.0d0) * sqrt(a)
else if (rand <= 7.6d+81) then
tmp = a - 0.3333333333333333d0
else
tmp = (rand * sqrt(a)) / 3.0d0
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -9e+75) {
tmp = (rand / 3.0) * Math.sqrt(a);
} else if (rand <= 7.6e+81) {
tmp = a - 0.3333333333333333;
} else {
tmp = (rand * Math.sqrt(a)) / 3.0;
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -9e+75: tmp = (rand / 3.0) * math.sqrt(a) elif rand <= 7.6e+81: tmp = a - 0.3333333333333333 else: tmp = (rand * math.sqrt(a)) / 3.0 return tmp
function code(a, rand) tmp = 0.0 if (rand <= -9e+75) tmp = Float64(Float64(rand / 3.0) * sqrt(a)); elseif (rand <= 7.6e+81) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(Float64(rand * sqrt(a)) / 3.0); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -9e+75) tmp = (rand / 3.0) * sqrt(a); elseif (rand <= 7.6e+81) tmp = a - 0.3333333333333333; else tmp = (rand * sqrt(a)) / 3.0; end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -9e+75], N[(N[(rand / 3.0), $MachinePrecision] * N[Sqrt[a], $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 7.6e+81], N[(a - 0.3333333333333333), $MachinePrecision], N[(N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision] / 3.0), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -9 \cdot 10^{+75}:\\
\;\;\;\;\frac{rand}{3} \cdot \sqrt{a}\\
\mathbf{elif}\;rand \leq 7.6 \cdot 10^{+81}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\frac{rand \cdot \sqrt{a}}{3}\\
\end{array}
\end{array}
if rand < -9.0000000000000007e75Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
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 a around inf 96.5%
pow196.5%
*-commutative96.5%
sqrt-div96.6%
metadata-eval96.6%
un-div-inv96.6%
Applied egg-rr96.6%
unpow196.6%
associate-*r/96.4%
Simplified96.4%
Taylor expanded in a around 0 91.3%
*-commutative91.3%
associate-*l*91.1%
*-commutative91.1%
Simplified91.1%
metadata-eval91.1%
associate-/r/91.2%
un-div-inv91.3%
Applied egg-rr91.3%
associate-/r/91.3%
associate-*l/91.3%
associate-/l*91.3%
Simplified91.3%
if -9.0000000000000007e75 < rand < 7.599999999999999e81Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
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 95.8%
Taylor expanded in a around 0 95.8%
if 7.599999999999999e81 < rand Initial program 99.6%
*-lft-identity99.6%
*-lft-identity99.6%
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 a around inf 96.8%
pow196.8%
*-commutative96.8%
sqrt-div96.8%
metadata-eval96.8%
un-div-inv96.7%
Applied egg-rr96.7%
unpow196.7%
associate-*r/96.6%
Simplified96.6%
Taylor expanded in a around 0 95.0%
*-commutative95.0%
associate-*l*95.0%
*-commutative95.0%
Simplified95.0%
*-commutative95.0%
metadata-eval95.0%
div-inv95.0%
associate-*r/95.0%
*-commutative95.0%
Applied egg-rr95.0%
Final simplification94.8%
(FPCore (a rand) :precision binary64 (* (+ a -0.3333333333333333) (+ 1.0 (/ (/ rand 3.0) (sqrt (+ a -0.3333333333333333))))))
double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + ((rand / 3.0) / sqrt((a + -0.3333333333333333))));
}
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 + (-0.3333333333333333d0)))))
end function
public static double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + ((rand / 3.0) / Math.sqrt((a + -0.3333333333333333))));
}
def code(a, rand): return (a + -0.3333333333333333) * (1.0 + ((rand / 3.0) / math.sqrt((a + -0.3333333333333333))))
function code(a, rand) return Float64(Float64(a + -0.3333333333333333) * Float64(1.0 + Float64(Float64(rand / 3.0) / sqrt(Float64(a + -0.3333333333333333))))) end
function tmp = code(a, rand) tmp = (a + -0.3333333333333333) * (1.0 + ((rand / 3.0) / sqrt((a + -0.3333333333333333)))); end
code[a_, rand_] := N[(N[(a + -0.3333333333333333), $MachinePrecision] * N[(1.0 + N[(N[(rand / 3.0), $MachinePrecision] / N[Sqrt[N[(a + -0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + -0.3333333333333333\right) \cdot \left(1 + \frac{\frac{rand}{3}}{\sqrt{a + -0.3333333333333333}}\right)
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.8%
*-lft-identity99.8%
sub-neg99.8%
distribute-lft-in99.8%
metadata-eval99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
add-sqr-sqrt55.7%
sqrt-unprod77.1%
frac-times72.5%
add-sqr-sqrt72.5%
metadata-eval72.5%
distribute-lft-in72.5%
*-commutative72.5%
add-sqr-sqrt72.5%
frac-times77.1%
*-un-lft-identity77.1%
associate-*l/77.1%
*-un-lft-identity77.1%
associate-*l/77.1%
sqrt-unprod55.7%
add-sqr-sqrt99.8%
associate-*l/99.8%
sqrt-prod99.8%
Applied egg-rr99.8%
associate-*l/99.8%
*-lft-identity99.8%
+-commutative99.8%
Simplified99.8%
Final simplification99.8%
(FPCore (a rand) :precision binary64 (* (+ a -0.3333333333333333) (+ 1.0 (/ rand (sqrt (+ -3.0 (* a 9.0)))))))
double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + (rand / sqrt((-3.0 + (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(((-3.0d0) + (a * 9.0d0)))))
end function
public static double code(double a, double rand) {
return (a + -0.3333333333333333) * (1.0 + (rand / Math.sqrt((-3.0 + (a * 9.0)))));
}
def code(a, rand): return (a + -0.3333333333333333) * (1.0 + (rand / math.sqrt((-3.0 + (a * 9.0)))))
function code(a, rand) return Float64(Float64(a + -0.3333333333333333) * Float64(1.0 + Float64(rand / sqrt(Float64(-3.0 + Float64(a * 9.0)))))) end
function tmp = code(a, rand) tmp = (a + -0.3333333333333333) * (1.0 + (rand / sqrt((-3.0 + (a * 9.0))))); end
code[a_, rand_] := N[(N[(a + -0.3333333333333333), $MachinePrecision] * N[(1.0 + N[(rand / N[Sqrt[N[(-3.0 + N[(a * 9.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + -0.3333333333333333\right) \cdot \left(1 + \frac{rand}{\sqrt{-3 + a \cdot 9}}\right)
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
associate-*l/99.8%
*-lft-identity99.8%
sub-neg99.8%
distribute-lft-in99.8%
metadata-eval99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Final simplification99.8%
(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 99.8%
(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(Float64(rand / 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[(N[(rand / 3.0), $MachinePrecision] / N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + -0.3333333333333333\right) \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%
associate-*l/99.8%
*-lft-identity99.8%
sub-neg99.8%
distribute-lft-in99.8%
metadata-eval99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
add-sqr-sqrt55.7%
sqrt-unprod77.1%
frac-times72.5%
add-sqr-sqrt72.5%
metadata-eval72.5%
distribute-lft-in72.5%
*-commutative72.5%
add-sqr-sqrt72.5%
frac-times77.1%
*-un-lft-identity77.1%
associate-*l/77.1%
*-un-lft-identity77.1%
associate-*l/77.1%
sqrt-unprod55.7%
add-sqr-sqrt99.8%
associate-*l/99.8%
sqrt-prod99.8%
Applied egg-rr99.8%
associate-*l/99.8%
*-lft-identity99.8%
+-commutative99.8%
Simplified99.8%
Taylor expanded in a around inf 98.7%
(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/99.8%
*-lft-identity99.8%
sub-neg99.8%
distribute-lft-in99.8%
*-commutative99.8%
fma-define99.8%
metadata-eval99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in a around inf 98.7%
*-commutative98.7%
Simplified98.7%
(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%
*-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 a around inf 98.2%
pow198.2%
*-commutative98.2%
sqrt-div98.1%
metadata-eval98.1%
un-div-inv98.2%
Applied egg-rr98.2%
unpow198.2%
associate-*r/98.1%
Simplified98.1%
*-commutative98.1%
metadata-eval98.1%
div-inv98.2%
Applied egg-rr98.2%
(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%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in a around inf 98.2%
Taylor expanded in a around 0 98.2%
Final simplification98.2%
(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%
*-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 60.3%
Taylor expanded in a around 0 60.3%
(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%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in rand around 0 60.3%
Taylor expanded in a around inf 59.8%
(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%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in rand around 0 60.3%
Taylor expanded in a around 0 1.5%
herbie shell --seed 2024154
(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))))