
(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 13 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) (+ (/ (/ rand 3.0) (pow (- a 0.3333333333333333) 0.5)) 1.0)))
double code(double a, double rand) {
return (a - 0.3333333333333333) * (((rand / 3.0) / pow((a - 0.3333333333333333), 0.5)) + 1.0);
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = (a - 0.3333333333333333d0) * (((rand / 3.0d0) / ((a - 0.3333333333333333d0) ** 0.5d0)) + 1.0d0)
end function
public static double code(double a, double rand) {
return (a - 0.3333333333333333) * (((rand / 3.0) / Math.pow((a - 0.3333333333333333), 0.5)) + 1.0);
}
def code(a, rand): return (a - 0.3333333333333333) * (((rand / 3.0) / math.pow((a - 0.3333333333333333), 0.5)) + 1.0)
function code(a, rand) return Float64(Float64(a - 0.3333333333333333) * Float64(Float64(Float64(rand / 3.0) / (Float64(a - 0.3333333333333333) ^ 0.5)) + 1.0)) end
function tmp = code(a, rand) tmp = (a - 0.3333333333333333) * (((rand / 3.0) / ((a - 0.3333333333333333) ^ 0.5)) + 1.0); end
code[a_, rand_] := N[(N[(a - 0.3333333333333333), $MachinePrecision] * N[(N[(N[(rand / 3.0), $MachinePrecision] / N[Power[N[(a - 0.3333333333333333), $MachinePrecision], 0.5], $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a - 0.3333333333333333\right) \cdot \left(\frac{\frac{rand}{3}}{{\left(a - 0.3333333333333333\right)}^{0.5}} + 1\right)
\end{array}
Initial program 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
metadata-eval99.5%
metadata-eval99.5%
sub-neg99.5%
*-un-lft-identity99.5%
metadata-eval99.5%
*-un-lft-identity99.5%
+-commutative99.5%
add-sqr-sqrt54.2%
Applied egg-rr99.9%
(FPCore (a rand) :precision binary64 (if (or (<= rand -2.8e+103) (not (<= rand 2.5e+61))) (* 0.3333333333333333 (* rand (sqrt a))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -2.8e+103) || !(rand <= 2.5e+61)) {
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+103)) .or. (.not. (rand <= 2.5d+61))) 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+103) || !(rand <= 2.5e+61)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -2.8e+103) or not (rand <= 2.5e+61): 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+103) || !(rand <= 2.5e+61)) 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+103) || ~((rand <= 2.5e+61))) 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+103], N[Not[LessEqual[rand, 2.5e+61]], $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^{+103} \lor \neg \left(rand \leq 2.5 \cdot 10^{+61}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -2.80000000000000008e103 or 2.50000000000000009e61 < rand Initial program 98.3%
*-lft-identity98.3%
*-lft-identity98.3%
sub-neg98.3%
metadata-eval98.3%
metadata-eval98.3%
associate-*l/98.4%
*-lft-identity98.4%
sub-neg98.4%
distribute-lft-in98.4%
*-commutative98.4%
fma-define98.4%
metadata-eval98.4%
metadata-eval98.4%
metadata-eval98.4%
Simplified98.4%
Taylor expanded in a around inf 98.6%
associate-*r*98.7%
*-commutative98.7%
associate-*l*98.6%
Simplified98.6%
Taylor expanded in a around 0 94.7%
if -2.80000000000000008e103 < rand < 2.50000000000000009e61Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
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 rand around 0 95.0%
Final simplification94.9%
(FPCore (a rand) :precision binary64 (if (<= rand -1.55e+103) (* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333)))) (if (<= rand 3.1e+60) (- a 0.3333333333333333) (* (/ rand 3.0) (sqrt a)))))
double code(double a, double rand) {
double tmp;
if (rand <= -1.55e+103) {
tmp = 0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333)));
} else if (rand <= 3.1e+60) {
tmp = a - 0.3333333333333333;
} else {
tmp = (rand / 3.0) * 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 <= (-1.55d+103)) then
tmp = 0.3333333333333333d0 * (rand * sqrt((a - 0.3333333333333333d0)))
else if (rand <= 3.1d+60) then
tmp = a - 0.3333333333333333d0
else
tmp = (rand / 3.0d0) * sqrt(a)
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -1.55e+103) {
tmp = 0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333)));
} else if (rand <= 3.1e+60) {
tmp = a - 0.3333333333333333;
} else {
tmp = (rand / 3.0) * Math.sqrt(a);
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -1.55e+103: tmp = 0.3333333333333333 * (rand * math.sqrt((a - 0.3333333333333333))) elif rand <= 3.1e+60: tmp = a - 0.3333333333333333 else: tmp = (rand / 3.0) * math.sqrt(a) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -1.55e+103) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(Float64(a - 0.3333333333333333)))); elseif (rand <= 3.1e+60) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(Float64(rand / 3.0) * sqrt(a)); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -1.55e+103) tmp = 0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))); elseif (rand <= 3.1e+60) tmp = a - 0.3333333333333333; else tmp = (rand / 3.0) * sqrt(a); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -1.55e+103], N[(0.3333333333333333 * N[(rand * N[Sqrt[N[(a - 0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 3.1e+60], N[(a - 0.3333333333333333), $MachinePrecision], N[(N[(rand / 3.0), $MachinePrecision] * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -1.55 \cdot 10^{+103}:\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\\
\mathbf{elif}\;rand \leq 3.1 \cdot 10^{+60}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\frac{rand}{3} \cdot \sqrt{a}\\
\end{array}
\end{array}
if rand < -1.5500000000000001e103Initial program 97.1%
*-lft-identity97.1%
*-lft-identity97.1%
sub-neg97.1%
metadata-eval97.1%
metadata-eval97.1%
associate-*l/97.2%
*-lft-identity97.2%
sub-neg97.2%
distribute-lft-in97.2%
*-commutative97.2%
fma-define97.2%
metadata-eval97.2%
metadata-eval97.2%
metadata-eval97.2%
Simplified97.2%
metadata-eval97.2%
metadata-eval97.2%
sub-neg97.2%
*-un-lft-identity97.2%
metadata-eval97.2%
*-un-lft-identity97.2%
+-commutative97.2%
add-sqr-sqrt0.0%
Applied egg-rr99.7%
Taylor expanded in rand around inf 99.6%
if -1.5500000000000001e103 < rand < 3.1000000000000001e60Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
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 rand around 0 95.0%
if 3.1000000000000001e60 < rand Initial program 99.5%
*-lft-identity99.5%
*-lft-identity99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
associate-*l/99.6%
*-lft-identity99.6%
sub-neg99.6%
distribute-lft-in99.6%
*-commutative99.6%
fma-define99.6%
metadata-eval99.6%
metadata-eval99.6%
metadata-eval99.6%
Simplified99.6%
metadata-eval99.6%
metadata-eval99.6%
sub-neg99.6%
*-un-lft-identity99.6%
metadata-eval99.6%
*-un-lft-identity99.6%
+-commutative99.6%
add-sqr-sqrt99.4%
Applied egg-rr99.6%
Taylor expanded in rand around inf 91.7%
associate-*r*91.8%
sub-neg91.8%
metadata-eval91.8%
unpow1/291.8%
metadata-eval91.8%
sub-neg91.8%
Simplified91.8%
Taylor expanded in a around inf 91.8%
*-commutative91.8%
metadata-eval91.8%
div-inv91.9%
add-sqr-sqrt91.8%
associate-/l*91.8%
Applied egg-rr91.8%
associate-*r/91.8%
rem-square-sqrt91.9%
Simplified91.9%
(FPCore (a rand) :precision binary64 (if (<= rand -5e+103) (* 0.3333333333333333 (* rand (sqrt a))) (if (<= rand 3.2e+61) (- a 0.3333333333333333) (* (/ rand 3.0) (sqrt a)))))
double code(double a, double rand) {
double tmp;
if (rand <= -5e+103) {
tmp = 0.3333333333333333 * (rand * sqrt(a));
} else if (rand <= 3.2e+61) {
tmp = a - 0.3333333333333333;
} else {
tmp = (rand / 3.0) * 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 <= (-5d+103)) then
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
else if (rand <= 3.2d+61) then
tmp = a - 0.3333333333333333d0
else
tmp = (rand / 3.0d0) * sqrt(a)
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -5e+103) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else if (rand <= 3.2e+61) {
tmp = a - 0.3333333333333333;
} else {
tmp = (rand / 3.0) * Math.sqrt(a);
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -5e+103: tmp = 0.3333333333333333 * (rand * math.sqrt(a)) elif rand <= 3.2e+61: tmp = a - 0.3333333333333333 else: tmp = (rand / 3.0) * math.sqrt(a) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -5e+103) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); elseif (rand <= 3.2e+61) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(Float64(rand / 3.0) * sqrt(a)); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -5e+103) tmp = 0.3333333333333333 * (rand * sqrt(a)); elseif (rand <= 3.2e+61) tmp = a - 0.3333333333333333; else tmp = (rand / 3.0) * sqrt(a); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -5e+103], N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 3.2e+61], N[(a - 0.3333333333333333), $MachinePrecision], N[(N[(rand / 3.0), $MachinePrecision] * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -5 \cdot 10^{+103}:\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{elif}\;rand \leq 3.2 \cdot 10^{+61}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\frac{rand}{3} \cdot \sqrt{a}\\
\end{array}
\end{array}
if rand < -5e103Initial program 97.1%
*-lft-identity97.1%
*-lft-identity97.1%
sub-neg97.1%
metadata-eval97.1%
metadata-eval97.1%
associate-*l/97.2%
*-lft-identity97.2%
sub-neg97.2%
distribute-lft-in97.2%
*-commutative97.2%
fma-define97.2%
metadata-eval97.2%
metadata-eval97.2%
metadata-eval97.2%
Simplified97.2%
Taylor expanded in a around inf 97.7%
associate-*r*97.7%
*-commutative97.7%
associate-*l*97.6%
Simplified97.6%
Taylor expanded in a around 0 97.7%
if -5e103 < rand < 3.1999999999999998e61Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
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 rand around 0 95.0%
if 3.1999999999999998e61 < rand Initial program 99.5%
*-lft-identity99.5%
*-lft-identity99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
associate-*l/99.6%
*-lft-identity99.6%
sub-neg99.6%
distribute-lft-in99.6%
*-commutative99.6%
fma-define99.6%
metadata-eval99.6%
metadata-eval99.6%
metadata-eval99.6%
Simplified99.6%
metadata-eval99.6%
metadata-eval99.6%
sub-neg99.6%
*-un-lft-identity99.6%
metadata-eval99.6%
*-un-lft-identity99.6%
+-commutative99.6%
add-sqr-sqrt99.4%
Applied egg-rr99.6%
Taylor expanded in rand around inf 91.7%
associate-*r*91.8%
sub-neg91.8%
metadata-eval91.8%
unpow1/291.8%
metadata-eval91.8%
sub-neg91.8%
Simplified91.8%
Taylor expanded in a around inf 91.8%
*-commutative91.8%
metadata-eval91.8%
div-inv91.9%
add-sqr-sqrt91.8%
associate-/l*91.8%
Applied egg-rr91.8%
associate-*r/91.8%
rem-square-sqrt91.9%
Simplified91.9%
Final simplification95.0%
(FPCore (a rand)
:precision binary64
(if (<= rand -1.9e+103)
(* 0.3333333333333333 (* rand (sqrt a)))
(if (<= rand 3.2e+61)
(- a 0.3333333333333333)
(* (sqrt a) (* 0.3333333333333333 rand)))))
double code(double a, double rand) {
double tmp;
if (rand <= -1.9e+103) {
tmp = 0.3333333333333333 * (rand * sqrt(a));
} else if (rand <= 3.2e+61) {
tmp = a - 0.3333333333333333;
} else {
tmp = sqrt(a) * (0.3333333333333333 * rand);
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= (-1.9d+103)) then
tmp = 0.3333333333333333d0 * (rand * sqrt(a))
else if (rand <= 3.2d+61) then
tmp = a - 0.3333333333333333d0
else
tmp = sqrt(a) * (0.3333333333333333d0 * rand)
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -1.9e+103) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else if (rand <= 3.2e+61) {
tmp = a - 0.3333333333333333;
} else {
tmp = Math.sqrt(a) * (0.3333333333333333 * rand);
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -1.9e+103: tmp = 0.3333333333333333 * (rand * math.sqrt(a)) elif rand <= 3.2e+61: tmp = a - 0.3333333333333333 else: tmp = math.sqrt(a) * (0.3333333333333333 * rand) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -1.9e+103) tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(a))); elseif (rand <= 3.2e+61) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(sqrt(a) * Float64(0.3333333333333333 * rand)); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -1.9e+103) tmp = 0.3333333333333333 * (rand * sqrt(a)); elseif (rand <= 3.2e+61) tmp = a - 0.3333333333333333; else tmp = sqrt(a) * (0.3333333333333333 * rand); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -1.9e+103], N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 3.2e+61], N[(a - 0.3333333333333333), $MachinePrecision], N[(N[Sqrt[a], $MachinePrecision] * N[(0.3333333333333333 * rand), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -1.9 \cdot 10^{+103}:\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{elif}\;rand \leq 3.2 \cdot 10^{+61}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\sqrt{a} \cdot \left(0.3333333333333333 \cdot rand\right)\\
\end{array}
\end{array}
if rand < -1.8999999999999998e103Initial program 97.1%
*-lft-identity97.1%
*-lft-identity97.1%
sub-neg97.1%
metadata-eval97.1%
metadata-eval97.1%
associate-*l/97.2%
*-lft-identity97.2%
sub-neg97.2%
distribute-lft-in97.2%
*-commutative97.2%
fma-define97.2%
metadata-eval97.2%
metadata-eval97.2%
metadata-eval97.2%
Simplified97.2%
Taylor expanded in a around inf 97.7%
associate-*r*97.7%
*-commutative97.7%
associate-*l*97.6%
Simplified97.6%
Taylor expanded in a around 0 97.7%
if -1.8999999999999998e103 < rand < 3.1999999999999998e61Initial program 99.9%
*-lft-identity99.9%
*-lft-identity99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
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 rand around 0 95.0%
if 3.1999999999999998e61 < rand Initial program 99.5%
*-lft-identity99.5%
*-lft-identity99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
associate-*l/99.6%
*-lft-identity99.6%
sub-neg99.6%
distribute-lft-in99.6%
*-commutative99.6%
fma-define99.6%
metadata-eval99.6%
metadata-eval99.6%
metadata-eval99.6%
Simplified99.6%
metadata-eval99.6%
metadata-eval99.6%
sub-neg99.6%
*-un-lft-identity99.6%
metadata-eval99.6%
*-un-lft-identity99.6%
+-commutative99.6%
add-sqr-sqrt99.4%
Applied egg-rr99.6%
Taylor expanded in rand around inf 91.7%
associate-*r*91.8%
sub-neg91.8%
metadata-eval91.8%
unpow1/291.8%
metadata-eval91.8%
sub-neg91.8%
Simplified91.8%
Taylor expanded in a around inf 91.8%
Final simplification94.9%
(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 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
fma-undefine99.5%
metadata-eval99.5%
distribute-rgt-in99.5%
metadata-eval99.5%
metadata-eval99.5%
sub-neg99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
+-commutative99.5%
distribute-rgt-in99.5%
metadata-eval99.5%
Applied egg-rr99.5%
(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 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in a around inf 99.4%
(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(a - Float64(-0.3333333333333333 * Float64(rand * sqrt(Float64(a - 0.3333333333333333))))) end
function tmp = code(a, rand) tmp = a - (-0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333)))); end
code[a_, rand_] := N[(a - N[(-0.3333333333333333 * N[(rand * N[Sqrt[N[(a - 0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a - -0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)
\end{array}
Initial program 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Applied egg-rr99.9%
Taylor expanded in rand around inf 98.7%
(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 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Applied egg-rr99.9%
Taylor expanded in a around inf 98.3%
Final simplification98.3%
(FPCore (a rand) :precision binary64 (+ a (* rand (* 0.3333333333333333 (sqrt a)))))
double code(double a, double rand) {
return a + (rand * (0.3333333333333333 * sqrt(a)));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a + (rand * (0.3333333333333333d0 * sqrt(a)))
end function
public static double code(double a, double rand) {
return a + (rand * (0.3333333333333333 * Math.sqrt(a)));
}
def code(a, rand): return a + (rand * (0.3333333333333333 * math.sqrt(a)))
function code(a, rand) return Float64(a + Float64(rand * Float64(0.3333333333333333 * sqrt(a)))) end
function tmp = code(a, rand) tmp = a + (rand * (0.3333333333333333 * sqrt(a))); end
code[a_, rand_] := N[(a + N[(rand * N[(0.3333333333333333 * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a + rand \cdot \left(0.3333333333333333 \cdot \sqrt{a}\right)
\end{array}
Initial program 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in a around inf 98.3%
associate-*r*98.3%
*-commutative98.3%
associate-*l*98.3%
Simplified98.3%
Taylor expanded in rand around inf 74.1%
Taylor expanded in rand around 0 98.3%
*-lft-identity98.3%
*-inverses98.3%
associate-*l/80.8%
*-commutative80.8%
associate-*l/74.1%
unpow1/274.1%
associate-*r*74.1%
distribute-rgt-in74.1%
distribute-lft-in74.1%
associate-*r/80.8%
associate-*l/98.2%
*-inverses98.2%
*-lft-identity98.2%
unpow1/298.2%
Simplified98.2%
(FPCore (a rand) :precision binary64 (if (<= rand 4.2e+154) (- a 0.3333333333333333) (/ (* a rand) rand)))
double code(double a, double rand) {
double tmp;
if (rand <= 4.2e+154) {
tmp = a - 0.3333333333333333;
} else {
tmp = (a * rand) / rand;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= 4.2d+154) then
tmp = a - 0.3333333333333333d0
else
tmp = (a * rand) / rand
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= 4.2e+154) {
tmp = a - 0.3333333333333333;
} else {
tmp = (a * rand) / rand;
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= 4.2e+154: tmp = a - 0.3333333333333333 else: tmp = (a * rand) / rand return tmp
function code(a, rand) tmp = 0.0 if (rand <= 4.2e+154) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(Float64(a * rand) / rand); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= 4.2e+154) tmp = a - 0.3333333333333333; else tmp = (a * rand) / rand; end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, 4.2e+154], N[(a - 0.3333333333333333), $MachinePrecision], N[(N[(a * rand), $MachinePrecision] / rand), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq 4.2 \cdot 10^{+154}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\frac{a \cdot rand}{rand}\\
\end{array}
\end{array}
if rand < 4.19999999999999989e154Initial program 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.4%
*-lft-identity99.4%
sub-neg99.4%
distribute-lft-in99.4%
*-commutative99.4%
fma-define99.4%
metadata-eval99.4%
metadata-eval99.4%
metadata-eval99.4%
Simplified99.4%
Taylor expanded in rand around 0 72.3%
if 4.19999999999999989e154 < rand 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%
*-commutative99.9%
fma-define99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in a around inf 99.8%
associate-*r*99.8%
*-commutative99.8%
associate-*l*99.8%
Simplified99.8%
Taylor expanded in rand around inf 99.7%
Taylor expanded in rand around 0 6.3%
*-commutative6.3%
associate-*l/72.4%
Applied egg-rr72.4%
(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 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in rand around 0 67.2%
(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 99.4%
*-lft-identity99.4%
*-lft-identity99.4%
sub-neg99.4%
metadata-eval99.4%
metadata-eval99.4%
associate-*l/99.5%
*-lft-identity99.5%
sub-neg99.5%
distribute-lft-in99.5%
*-commutative99.5%
fma-define99.5%
metadata-eval99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in a around inf 98.3%
associate-*r*98.3%
*-commutative98.3%
associate-*l*98.3%
Simplified98.3%
Taylor expanded in rand around 0 66.0%
herbie shell --seed 2024098
(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))))