
(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 12 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%
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 (if (or (<= rand -3.8e+69) (not (<= rand 3.3e+97))) (* rand (sqrt (* (+ a -0.3333333333333333) 0.1111111111111111))) (+ a -0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -3.8e+69) || !(rand <= 3.3e+97)) {
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 <= (-3.8d+69)) .or. (.not. (rand <= 3.3d+97))) 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 <= -3.8e+69) || !(rand <= 3.3e+97)) {
tmp = rand * Math.sqrt(((a + -0.3333333333333333) * 0.1111111111111111));
} else {
tmp = a + -0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -3.8e+69) or not (rand <= 3.3e+97): 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 <= -3.8e+69) || !(rand <= 3.3e+97)) 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 <= -3.8e+69) || ~((rand <= 3.3e+97))) 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, -3.8e+69], N[Not[LessEqual[rand, 3.3e+97]], $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 -3.8 \cdot 10^{+69} \lor \neg \left(rand \leq 3.3 \cdot 10^{+97}\right):\\
\;\;\;\;rand \cdot \sqrt{\left(a + -0.3333333333333333\right) \cdot 0.1111111111111111}\\
\mathbf{else}:\\
\;\;\;\;a + -0.3333333333333333\\
\end{array}
\end{array}
if rand < -3.80000000000000028e69 or 3.3000000000000001e97 < 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%
associate-*l/99.7%
*-un-lft-identity99.7%
sqrt-prod99.7%
associate-/r*99.6%
metadata-eval99.6%
Applied egg-rr99.6%
Taylor expanded in rand around inf 95.3%
associate-*r*95.3%
*-commutative95.3%
sub-neg95.3%
metadata-eval95.3%
associate-*l*95.3%
Simplified95.3%
add-sqr-sqrt95.2%
sqrt-unprod95.3%
*-commutative95.3%
*-commutative95.3%
swap-sqr95.4%
add-sqr-sqrt95.4%
metadata-eval95.4%
Applied egg-rr95.4%
if -3.80000000000000028e69 < rand < 3.3000000000000001e97Initial 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 95.4%
*-rgt-identity95.4%
Applied egg-rr95.4%
Final simplification95.4%
(FPCore (a rand) :precision binary64 (if (or (<= rand -2.7e+68) (not (<= rand 4.6e+97))) (* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333)))) (+ a -0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -2.7e+68) || !(rand <= 4.6e+97)) {
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 <= (-2.7d+68)) .or. (.not. (rand <= 4.6d+97))) 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 <= -2.7e+68) || !(rand <= 4.6e+97)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333)));
} else {
tmp = a + -0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -2.7e+68) or not (rand <= 4.6e+97): 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 <= -2.7e+68) || !(rand <= 4.6e+97)) 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 <= -2.7e+68) || ~((rand <= 4.6e+97))) 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, -2.7e+68], N[Not[LessEqual[rand, 4.6e+97]], $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 -2.7 \cdot 10^{+68} \lor \neg \left(rand \leq 4.6 \cdot 10^{+97}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\\
\mathbf{else}:\\
\;\;\;\;a + -0.3333333333333333\\
\end{array}
\end{array}
if rand < -2.69999999999999991e68 or 4.60000000000000011e97 < 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 95.3%
if -2.69999999999999991e68 < rand < 4.60000000000000011e97Initial 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 95.4%
*-rgt-identity95.4%
Applied egg-rr95.4%
Final simplification95.4%
(FPCore (a rand) :precision binary64 (if (or (<= rand -1.3e+70) (not (<= rand 3.5e+98))) (* 0.3333333333333333 (* rand (sqrt a))) (+ a -0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -1.3e+70) || !(rand <= 3.5e+98)) {
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 <= (-1.3d+70)) .or. (.not. (rand <= 3.5d+98))) 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 <= -1.3e+70) || !(rand <= 3.5e+98)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else {
tmp = a + -0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -1.3e+70) or not (rand <= 3.5e+98): tmp = 0.3333333333333333 * (rand * math.sqrt(a)) else: tmp = a + -0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -1.3e+70) || !(rand <= 3.5e+98)) 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 <= -1.3e+70) || ~((rand <= 3.5e+98))) tmp = 0.3333333333333333 * (rand * sqrt(a)); else tmp = a + -0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -1.3e+70], N[Not[LessEqual[rand, 3.5e+98]], $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 -1.3 \cdot 10^{+70} \lor \neg \left(rand \leq 3.5 \cdot 10^{+98}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{else}:\\
\;\;\;\;a + -0.3333333333333333\\
\end{array}
\end{array}
if rand < -1.3e70 or 3.5e98 < rand Initial program 99.6%
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 74.1%
Taylor expanded in a around inf 93.6%
if -1.3e70 < rand < 3.5e98Initial 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 95.4%
*-rgt-identity95.4%
Applied egg-rr95.4%
Final simplification94.7%
(FPCore (a rand)
:precision binary64
(if (<= rand -3.1e+69)
(* 0.3333333333333333 (* rand (sqrt a)))
(if (<= rand 2.7e+99)
(+ a -0.3333333333333333)
(* rand (* (sqrt a) 0.3333333333333333)))))
double code(double a, double rand) {
double tmp;
if (rand <= -3.1e+69) {
tmp = 0.3333333333333333 * (rand * sqrt(a));
} else if (rand <= 2.7e+99) {
tmp = a + -0.3333333333333333;
} else {
tmp = rand * (sqrt(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 <= (-3.1d+69)) then
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
else if (rand <= 2.7d+99) then
tmp = a + (-0.3333333333333333d0)
else
tmp = rand * (sqrt(a) * 0.3333333333333333d0)
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 <= 2.7e+99) {
tmp = a + -0.3333333333333333;
} else {
tmp = rand * (Math.sqrt(a) * 0.3333333333333333);
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -3.1e+69: tmp = 0.3333333333333333 * (rand * math.sqrt(a)) elif rand <= 2.7e+99: tmp = a + -0.3333333333333333 else: tmp = rand * (math.sqrt(a) * 0.3333333333333333) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -3.1e+69) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); elseif (rand <= 2.7e+99) tmp = Float64(a + -0.3333333333333333); else tmp = Float64(rand * Float64(sqrt(a) * 0.3333333333333333)); 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 <= 2.7e+99) tmp = a + -0.3333333333333333; else tmp = rand * (sqrt(a) * 0.3333333333333333); 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, 2.7e+99], N[(a + -0.3333333333333333), $MachinePrecision], N[(rand * N[(N[Sqrt[a], $MachinePrecision] * 0.3333333333333333), $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 2.7 \cdot 10^{+99}:\\
\;\;\;\;a + -0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;rand \cdot \left(\sqrt{a} \cdot 0.3333333333333333\right)\\
\end{array}
\end{array}
if rand < -3.0999999999999998e69Initial program 99.6%
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 71.6%
Taylor expanded in a around inf 91.1%
if -3.0999999999999998e69 < rand < 2.69999999999999989e99Initial 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 95.4%
*-rgt-identity95.4%
Applied egg-rr95.4%
if 2.69999999999999989e99 < 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%
associate-*l/99.7%
*-un-lft-identity99.7%
sqrt-prod99.7%
associate-/r*99.6%
metadata-eval99.6%
Applied egg-rr99.6%
Taylor expanded in rand around inf 97.5%
associate-*r*97.6%
*-commutative97.6%
sub-neg97.6%
metadata-eval97.6%
associate-*l*97.6%
Simplified97.6%
Taylor expanded in a around inf 96.5%
associate-*r*96.6%
Simplified96.6%
Final simplification94.8%
(FPCore (a rand)
:precision binary64
(if (<= rand -3.4e+68)
(* 0.3333333333333333 (* rand (sqrt a)))
(if (<= rand 3.3e+97)
(+ a -0.3333333333333333)
(* (sqrt a) (* rand 0.3333333333333333)))))
double code(double a, double rand) {
double tmp;
if (rand <= -3.4e+68) {
tmp = 0.3333333333333333 * (rand * sqrt(a));
} else if (rand <= 3.3e+97) {
tmp = a + -0.3333333333333333;
} else {
tmp = sqrt(a) * (rand * 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 <= (-3.4d+68)) then
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
else if (rand <= 3.3d+97) then
tmp = a + (-0.3333333333333333d0)
else
tmp = sqrt(a) * (rand * 0.3333333333333333d0)
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -3.4e+68) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else if (rand <= 3.3e+97) {
tmp = a + -0.3333333333333333;
} else {
tmp = Math.sqrt(a) * (rand * 0.3333333333333333);
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -3.4e+68: tmp = 0.3333333333333333 * (rand * math.sqrt(a)) elif rand <= 3.3e+97: tmp = a + -0.3333333333333333 else: tmp = math.sqrt(a) * (rand * 0.3333333333333333) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -3.4e+68) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); elseif (rand <= 3.3e+97) tmp = Float64(a + -0.3333333333333333); else tmp = Float64(sqrt(a) * Float64(rand * 0.3333333333333333)); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -3.4e+68) tmp = 0.3333333333333333 * (rand * sqrt(a)); elseif (rand <= 3.3e+97) tmp = a + -0.3333333333333333; else tmp = sqrt(a) * (rand * 0.3333333333333333); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -3.4e+68], N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 3.3e+97], N[(a + -0.3333333333333333), $MachinePrecision], N[(N[Sqrt[a], $MachinePrecision] * N[(rand * 0.3333333333333333), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -3.4 \cdot 10^{+68}:\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{elif}\;rand \leq 3.3 \cdot 10^{+97}:\\
\;\;\;\;a + -0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\sqrt{a} \cdot \left(rand \cdot 0.3333333333333333\right)\\
\end{array}
\end{array}
if rand < -3.40000000000000015e68Initial program 99.6%
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 71.6%
Taylor expanded in a around inf 91.1%
if -3.40000000000000015e68 < rand < 3.3000000000000001e97Initial 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 95.4%
*-rgt-identity95.4%
Applied egg-rr95.4%
if 3.3000000000000001e97 < 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%
associate-*l/99.7%
*-un-lft-identity99.7%
sqrt-prod99.7%
associate-/r*99.6%
metadata-eval99.6%
Applied egg-rr99.6%
Taylor expanded in rand around inf 97.5%
associate-*r*97.6%
*-commutative97.6%
sub-neg97.6%
metadata-eval97.6%
associate-*l*97.6%
Simplified97.6%
Taylor expanded in a around inf 96.5%
*-commutative96.5%
associate-*l*96.6%
*-commutative96.6%
Simplified96.6%
Final simplification94.7%
(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%
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%
Taylor expanded in a around -inf 0.0%
*-commutative0.0%
unpow20.0%
rem-square-sqrt99.2%
mul-1-neg99.2%
Simplified99.2%
Final simplification99.2%
(FPCore (a rand) :precision binary64 (* a (+ 1.0 (/ rand (* (sqrt a) 3.0)))))
double code(double a, double rand) {
return a * (1.0 + (rand / (sqrt(a) * 3.0)));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a * (1.0d0 + (rand / (sqrt(a) * 3.0d0)))
end function
public static double code(double a, double rand) {
return a * (1.0 + (rand / (Math.sqrt(a) * 3.0)));
}
def code(a, rand): return a * (1.0 + (rand / (math.sqrt(a) * 3.0)))
function code(a, rand) return Float64(a * Float64(1.0 + Float64(rand / Float64(sqrt(a) * 3.0)))) end
function tmp = code(a, rand) tmp = a * (1.0 + (rand / (sqrt(a) * 3.0))); end
code[a_, rand_] := N[(a * N[(1.0 + N[(rand / N[(N[Sqrt[a], $MachinePrecision] * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a \cdot \left(1 + \frac{rand}{\sqrt{a} \cdot 3}\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%
Taylor expanded in a around -inf 0.0%
*-commutative0.0%
unpow20.0%
rem-square-sqrt99.2%
mul-1-neg99.2%
Simplified99.2%
Taylor expanded in a around inf 97.6%
Taylor expanded in a around 0 97.6%
*-commutative97.6%
Simplified97.6%
(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 97.5%
Taylor expanded in a around 0 97.5%
Final simplification97.5%
(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 61.4%
*-rgt-identity61.4%
Applied egg-rr61.4%
(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 61.4%
Taylor expanded in a around inf 61.4%
associate-*r/61.4%
metadata-eval61.4%
Simplified61.4%
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 61.4%
Taylor expanded in a around inf 61.4%
associate-*r/61.4%
metadata-eval61.4%
Simplified61.4%
Taylor expanded in a around 0 1.6%
herbie shell --seed 2024157
(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))))