
(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 7 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) (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(a + Float64(Float64(Float64(0.3333333333333333 * 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[(a + N[(N[(N[(0.3333333333333333 * rand), $MachinePrecision] * N[Sqrt[N[(a + -0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - 0.3333333333333333), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a + \left(\left(0.3333333333333333 \cdot rand\right) \cdot \sqrt{a + -0.3333333333333333} - 0.3333333333333333\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 rand around 0 99.9%
associate--l+99.9%
associate-*r*99.9%
sub-neg99.9%
metadata-eval99.9%
+-commutative99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (a rand)
:precision binary64
(if (<= rand -6.4e+79)
(* rand (sqrt (* a 0.1111111111111111)))
(if (<= rand 3.5e+74)
(- a 0.3333333333333333)
(* rand (sqrt (+ -0.037037037037037035 (* a 0.1111111111111111)))))))
double code(double a, double rand) {
double tmp;
if (rand <= -6.4e+79) {
tmp = rand * sqrt((a * 0.1111111111111111));
} else if (rand <= 3.5e+74) {
tmp = a - 0.3333333333333333;
} else {
tmp = rand * sqrt((-0.037037037037037035 + (a * 0.1111111111111111)));
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= (-6.4d+79)) then
tmp = rand * sqrt((a * 0.1111111111111111d0))
else if (rand <= 3.5d+74) then
tmp = a - 0.3333333333333333d0
else
tmp = rand * sqrt(((-0.037037037037037035d0) + (a * 0.1111111111111111d0)))
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -6.4e+79) {
tmp = rand * Math.sqrt((a * 0.1111111111111111));
} else if (rand <= 3.5e+74) {
tmp = a - 0.3333333333333333;
} else {
tmp = rand * Math.sqrt((-0.037037037037037035 + (a * 0.1111111111111111)));
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -6.4e+79: tmp = rand * math.sqrt((a * 0.1111111111111111)) elif rand <= 3.5e+74: tmp = a - 0.3333333333333333 else: tmp = rand * math.sqrt((-0.037037037037037035 + (a * 0.1111111111111111))) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -6.4e+79) tmp = Float64(rand * sqrt(Float64(a * 0.1111111111111111))); elseif (rand <= 3.5e+74) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(rand * sqrt(Float64(-0.037037037037037035 + Float64(a * 0.1111111111111111)))); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -6.4e+79) tmp = rand * sqrt((a * 0.1111111111111111)); elseif (rand <= 3.5e+74) tmp = a - 0.3333333333333333; else tmp = rand * sqrt((-0.037037037037037035 + (a * 0.1111111111111111))); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -6.4e+79], N[(rand * N[Sqrt[N[(a * 0.1111111111111111), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 3.5e+74], N[(a - 0.3333333333333333), $MachinePrecision], N[(rand * N[Sqrt[N[(-0.037037037037037035 + N[(a * 0.1111111111111111), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -6.4 \cdot 10^{+79}:\\
\;\;\;\;rand \cdot \sqrt{a \cdot 0.1111111111111111}\\
\mathbf{elif}\;rand \leq 3.5 \cdot 10^{+74}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;rand \cdot \sqrt{-0.037037037037037035 + a \cdot 0.1111111111111111}\\
\end{array}
\end{array}
if rand < -6.40000000000000005e79Initial 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 94.8%
*-commutative94.8%
sub-neg94.8%
metadata-eval94.8%
associate-*l*94.7%
metadata-eval94.7%
sub-neg94.7%
*-commutative94.7%
sub-neg94.7%
metadata-eval94.7%
+-commutative94.7%
Simplified94.7%
pow194.7%
add-sqr-sqrt94.6%
sqrt-unprod94.7%
*-commutative94.7%
*-commutative94.7%
swap-sqr94.7%
add-sqr-sqrt94.9%
metadata-eval94.9%
Applied egg-rr94.9%
unpow194.9%
*-commutative94.9%
distribute-lft-in94.9%
metadata-eval94.9%
Simplified94.9%
Taylor expanded in a around inf 94.9%
*-commutative94.9%
Simplified94.9%
if -6.40000000000000005e79 < rand < 3.50000000000000014e74Initial 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 94.2%
if 3.50000000000000014e74 < rand Initial program 99.5%
*-lft-identity99.5%
*-lft-identity99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
*-commutative99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in rand around inf 93.7%
*-commutative93.7%
sub-neg93.7%
metadata-eval93.7%
associate-*l*93.6%
metadata-eval93.6%
sub-neg93.6%
*-commutative93.6%
sub-neg93.6%
metadata-eval93.6%
+-commutative93.6%
Simplified93.6%
pow193.6%
add-sqr-sqrt93.3%
sqrt-unprod93.6%
*-commutative93.6%
*-commutative93.6%
swap-sqr93.5%
add-sqr-sqrt93.7%
metadata-eval93.7%
Applied egg-rr93.7%
unpow193.7%
*-commutative93.7%
distribute-lft-in93.8%
metadata-eval93.8%
Simplified93.8%
Final simplification94.3%
(FPCore (a rand)
:precision binary64
(if (<= rand -9.5e+85)
(* rand (sqrt (* a 0.1111111111111111)))
(if (<= rand 4.5e+74)
(- a 0.3333333333333333)
(* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333)))))))
double code(double a, double rand) {
double tmp;
if (rand <= -9.5e+85) {
tmp = rand * sqrt((a * 0.1111111111111111));
} else if (rand <= 4.5e+74) {
tmp = a - 0.3333333333333333;
} else {
tmp = 0.3333333333333333 * (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 <= (-9.5d+85)) then
tmp = rand * sqrt((a * 0.1111111111111111d0))
else if (rand <= 4.5d+74) then
tmp = a - 0.3333333333333333d0
else
tmp = 0.3333333333333333d0 * (rand * sqrt((a - 0.3333333333333333d0)))
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -9.5e+85) {
tmp = rand * Math.sqrt((a * 0.1111111111111111));
} else if (rand <= 4.5e+74) {
tmp = a - 0.3333333333333333;
} else {
tmp = 0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333)));
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -9.5e+85: tmp = rand * math.sqrt((a * 0.1111111111111111)) elif rand <= 4.5e+74: tmp = a - 0.3333333333333333 else: tmp = 0.3333333333333333 * (rand * math.sqrt((a - 0.3333333333333333))) return tmp
function code(a, rand) tmp = 0.0 if (rand <= -9.5e+85) tmp = Float64(rand * sqrt(Float64(a * 0.1111111111111111))); elseif (rand <= 4.5e+74) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(0.3333333333333333 * Float64(rand * sqrt(Float64(a - 0.3333333333333333)))); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -9.5e+85) tmp = rand * sqrt((a * 0.1111111111111111)); elseif (rand <= 4.5e+74) tmp = a - 0.3333333333333333; else tmp = 0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))); end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -9.5e+85], N[(rand * N[Sqrt[N[(a * 0.1111111111111111), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 4.5e+74], N[(a - 0.3333333333333333), $MachinePrecision], N[(0.3333333333333333 * N[(rand * N[Sqrt[N[(a - 0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -9.5 \cdot 10^{+85}:\\
\;\;\;\;rand \cdot \sqrt{a \cdot 0.1111111111111111}\\
\mathbf{elif}\;rand \leq 4.5 \cdot 10^{+74}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\\
\end{array}
\end{array}
if rand < -9.49999999999999945e85Initial 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 94.8%
*-commutative94.8%
sub-neg94.8%
metadata-eval94.8%
associate-*l*94.7%
metadata-eval94.7%
sub-neg94.7%
*-commutative94.7%
sub-neg94.7%
metadata-eval94.7%
+-commutative94.7%
Simplified94.7%
pow194.7%
add-sqr-sqrt94.6%
sqrt-unprod94.7%
*-commutative94.7%
*-commutative94.7%
swap-sqr94.7%
add-sqr-sqrt94.9%
metadata-eval94.9%
Applied egg-rr94.9%
unpow194.9%
*-commutative94.9%
distribute-lft-in94.9%
metadata-eval94.9%
Simplified94.9%
Taylor expanded in a around inf 94.9%
*-commutative94.9%
Simplified94.9%
if -9.49999999999999945e85 < rand < 4.5e74Initial 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 94.2%
if 4.5e74 < rand Initial program 99.5%
*-lft-identity99.5%
*-lft-identity99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
*-commutative99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in rand around inf 93.7%
(FPCore (a rand) :precision binary64 (if (or (<= rand -8e+84) (not (<= rand 1.25e+72))) (* rand (sqrt (* a 0.1111111111111111))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -8e+84) || !(rand <= 1.25e+72)) {
tmp = rand * sqrt((a * 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 <= (-8d+84)) .or. (.not. (rand <= 1.25d+72))) then
tmp = rand * sqrt((a * 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 <= -8e+84) || !(rand <= 1.25e+72)) {
tmp = rand * Math.sqrt((a * 0.1111111111111111));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -8e+84) or not (rand <= 1.25e+72): tmp = rand * math.sqrt((a * 0.1111111111111111)) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -8e+84) || !(rand <= 1.25e+72)) tmp = Float64(rand * sqrt(Float64(a * 0.1111111111111111))); else tmp = Float64(a - 0.3333333333333333); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if ((rand <= -8e+84) || ~((rand <= 1.25e+72))) tmp = rand * sqrt((a * 0.1111111111111111)); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -8e+84], N[Not[LessEqual[rand, 1.25e+72]], $MachinePrecision]], N[(rand * N[Sqrt[N[(a * 0.1111111111111111), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(a - 0.3333333333333333), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -8 \cdot 10^{+84} \lor \neg \left(rand \leq 1.25 \cdot 10^{+72}\right):\\
\;\;\;\;rand \cdot \sqrt{a \cdot 0.1111111111111111}\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -8.00000000000000046e84 or 1.24999999999999998e72 < rand Initial program 99.5%
*-lft-identity99.5%
*-lft-identity99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
*-commutative99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in rand around inf 94.2%
*-commutative94.2%
sub-neg94.2%
metadata-eval94.2%
associate-*l*94.1%
metadata-eval94.1%
sub-neg94.1%
*-commutative94.1%
sub-neg94.1%
metadata-eval94.1%
+-commutative94.1%
Simplified94.1%
pow194.1%
add-sqr-sqrt93.9%
sqrt-unprod94.1%
*-commutative94.1%
*-commutative94.1%
swap-sqr94.1%
add-sqr-sqrt94.3%
metadata-eval94.3%
Applied egg-rr94.3%
unpow194.3%
*-commutative94.3%
distribute-lft-in94.3%
metadata-eval94.3%
Simplified94.3%
Taylor expanded in a around inf 93.6%
*-commutative93.6%
Simplified93.6%
if -8.00000000000000046e84 < rand < 1.24999999999999998e72Initial 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 94.2%
Final simplification94.0%
(FPCore (a rand) :precision binary64 (if (or (<= rand -7.5e+79) (not (<= rand 3.3e+74))) (* 0.3333333333333333 (* rand (sqrt a))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -7.5e+79) || !(rand <= 3.3e+74)) {
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 <= (-7.5d+79)) .or. (.not. (rand <= 3.3d+74))) 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 <= -7.5e+79) || !(rand <= 3.3e+74)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt(a));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -7.5e+79) or not (rand <= 3.3e+74): tmp = 0.3333333333333333 * (rand * math.sqrt(a)) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -7.5e+79) || !(rand <= 3.3e+74)) 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 <= -7.5e+79) || ~((rand <= 3.3e+74))) tmp = 0.3333333333333333 * (rand * sqrt(a)); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -7.5e+79], N[Not[LessEqual[rand, 3.3e+74]], $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 -7.5 \cdot 10^{+79} \lor \neg \left(rand \leq 3.3 \cdot 10^{+74}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -7.49999999999999967e79 or 3.3000000000000002e74 < rand Initial program 99.5%
*-lft-identity99.5%
*-lft-identity99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
*-commutative99.5%
sub-neg99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
Taylor expanded in rand around inf 94.2%
Taylor expanded in a around inf 93.5%
if -7.49999999999999967e79 < rand < 3.3000000000000002e74Initial 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 94.2%
Final simplification94.0%
(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(Float64(Float64(0.3333333333333333 * rand) * sqrt(a)) - 0.3333333333333333)) end
function tmp = code(a, rand) tmp = a + (((0.3333333333333333 * rand) * sqrt(a)) - 0.3333333333333333); end
code[a_, rand_] := N[(a + N[(N[(N[(0.3333333333333333 * rand), $MachinePrecision] * N[Sqrt[a], $MachinePrecision]), $MachinePrecision] - 0.3333333333333333), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a + \left(\left(0.3333333333333333 \cdot rand\right) \cdot \sqrt{a} - 0.3333333333333333\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 rand around 0 99.9%
associate--l+99.9%
associate-*r*99.9%
sub-neg99.9%
metadata-eval99.9%
+-commutative99.9%
Simplified99.9%
Taylor expanded in a around inf 99.7%
*-commutative99.7%
associate-*r*99.7%
Simplified99.7%
(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 66.5%
herbie shell --seed 2024100
(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))))