
(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 11 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%
remove-double-neg99.8%
remove-double-neg99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
remove-double-neg99.8%
remove-double-neg99.8%
associate-*l/99.8%
*-lft-identity99.8%
sub-neg99.8%
distribute-lft-in99.8%
*-commutative99.8%
fma-def99.9%
metadata-eval99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Final simplification99.9%
(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 99.8%
remove-double-neg99.8%
remove-double-neg99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
remove-double-neg99.8%
remove-double-neg99.8%
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 -1.4e+89) (not (<= rand 5.2e+95))) (* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333)))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -1.4e+89) || !(rand <= 5.2e+95)) {
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 <= (-1.4d+89)) .or. (.not. (rand <= 5.2d+95))) 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 <= -1.4e+89) || !(rand <= 5.2e+95)) {
tmp = 0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333)));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -1.4e+89) or not (rand <= 5.2e+95): 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 <= -1.4e+89) || !(rand <= 5.2e+95)) 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 <= -1.4e+89) || ~((rand <= 5.2e+95))) 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, -1.4e+89], N[Not[LessEqual[rand, 5.2e+95]], $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 -1.4 \cdot 10^{+89} \lor \neg \left(rand \leq 5.2 \cdot 10^{+95}\right):\\
\;\;\;\;0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -1.3999999999999999e89 or 5.19999999999999981e95 < rand Initial program 99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
*-commutative99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
Simplified99.6%
Taylor expanded in rand around inf 96.3%
if -1.3999999999999999e89 < rand < 5.19999999999999981e95Initial program 100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
*-commutative100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in rand around 0 96.1%
Final simplification96.2%
(FPCore (a rand) :precision binary64 (if (or (<= rand -5.1e+89) (not (<= rand 5e+95))) (* rand (sqrt (+ -0.037037037037037035 (* a 0.1111111111111111)))) (- a 0.3333333333333333)))
double code(double a, double rand) {
double tmp;
if ((rand <= -5.1e+89) || !(rand <= 5e+95)) {
tmp = rand * sqrt((-0.037037037037037035 + (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 <= (-5.1d+89)) .or. (.not. (rand <= 5d+95))) then
tmp = rand * sqrt(((-0.037037037037037035d0) + (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 <= -5.1e+89) || !(rand <= 5e+95)) {
tmp = rand * Math.sqrt((-0.037037037037037035 + (a * 0.1111111111111111)));
} else {
tmp = a - 0.3333333333333333;
}
return tmp;
}
def code(a, rand): tmp = 0 if (rand <= -5.1e+89) or not (rand <= 5e+95): tmp = rand * math.sqrt((-0.037037037037037035 + (a * 0.1111111111111111))) else: tmp = a - 0.3333333333333333 return tmp
function code(a, rand) tmp = 0.0 if ((rand <= -5.1e+89) || !(rand <= 5e+95)) tmp = Float64(rand * sqrt(Float64(-0.037037037037037035 + 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 <= -5.1e+89) || ~((rand <= 5e+95))) tmp = rand * sqrt((-0.037037037037037035 + (a * 0.1111111111111111))); else tmp = a - 0.3333333333333333; end tmp_2 = tmp; end
code[a_, rand_] := If[Or[LessEqual[rand, -5.1e+89], N[Not[LessEqual[rand, 5e+95]], $MachinePrecision]], N[(rand * N[Sqrt[N[(-0.037037037037037035 + N[(a * 0.1111111111111111), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(a - 0.3333333333333333), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -5.1 \cdot 10^{+89} \lor \neg \left(rand \leq 5 \cdot 10^{+95}\right):\\
\;\;\;\;rand \cdot \sqrt{-0.037037037037037035 + a \cdot 0.1111111111111111}\\
\mathbf{else}:\\
\;\;\;\;a - 0.3333333333333333\\
\end{array}
\end{array}
if rand < -5.10000000000000027e89 or 5.00000000000000025e95 < rand Initial program 99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
*-commutative99.6%
sub-neg99.6%
metadata-eval99.6%
metadata-eval99.6%
Simplified99.6%
Taylor expanded in rand around inf 96.3%
associate-*r*96.4%
*-commutative96.4%
sub-neg96.4%
metadata-eval96.4%
+-commutative96.4%
Simplified96.4%
expm1-log1p-u92.8%
expm1-udef92.8%
Applied egg-rr92.8%
expm1-def92.8%
expm1-log1p96.5%
*-commutative96.5%
+-commutative96.5%
distribute-rgt-in96.5%
metadata-eval96.5%
Simplified96.5%
if -5.10000000000000027e89 < rand < 5.00000000000000025e95Initial program 100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
*-commutative100.0%
sub-neg100.0%
metadata-eval100.0%
metadata-eval100.0%
Simplified100.0%
Taylor expanded in rand around 0 96.1%
Final simplification96.2%
(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%
remove-double-neg99.8%
remove-double-neg99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
remove-double-neg99.8%
remove-double-neg99.8%
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 99.1%
*-commutative99.1%
Simplified99.1%
Final simplification99.1%
(FPCore (a rand) :precision binary64 (- (+ a (* 0.3333333333333333 (* rand (sqrt (- a 0.3333333333333333))))) 0.3333333333333333))
double code(double a, double rand) {
return (a + (0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))))) - 0.3333333333333333;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = (a + (0.3333333333333333d0 * (rand * sqrt((a - 0.3333333333333333d0))))) - 0.3333333333333333d0
end function
public static double code(double a, double rand) {
return (a + (0.3333333333333333 * (rand * Math.sqrt((a - 0.3333333333333333))))) - 0.3333333333333333;
}
def code(a, rand): return (a + (0.3333333333333333 * (rand * math.sqrt((a - 0.3333333333333333))))) - 0.3333333333333333
function code(a, rand) return Float64(Float64(a + Float64(0.3333333333333333 * Float64(rand * sqrt(Float64(a - 0.3333333333333333))))) - 0.3333333333333333) end
function tmp = code(a, rand) tmp = (a + (0.3333333333333333 * (rand * sqrt((a - 0.3333333333333333))))) - 0.3333333333333333; end
code[a_, rand_] := N[(N[(a + N[(0.3333333333333333 * N[(rand * N[Sqrt[N[(a - 0.3333333333333333), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 0.3333333333333333), $MachinePrecision]
\begin{array}{l}
\\
\left(a + 0.3333333333333333 \cdot \left(rand \cdot \sqrt{a - 0.3333333333333333}\right)\right) - 0.3333333333333333
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in rand around 0 99.8%
Final simplification99.8%
(FPCore (a rand)
:precision binary64
(if (<= rand -5.1e+89)
(- (/ 0.1111111111111111 a) (/ (* a a) a))
(if (<= rand 6e+188)
(- a 0.3333333333333333)
(/ (+ 0.1111111111111111 (* a a)) a))))
double code(double a, double rand) {
double tmp;
if (rand <= -5.1e+89) {
tmp = (0.1111111111111111 / a) - ((a * a) / a);
} else if (rand <= 6e+188) {
tmp = a - 0.3333333333333333;
} else {
tmp = (0.1111111111111111 + (a * a)) / a;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= (-5.1d+89)) then
tmp = (0.1111111111111111d0 / a) - ((a * a) / a)
else if (rand <= 6d+188) then
tmp = a - 0.3333333333333333d0
else
tmp = (0.1111111111111111d0 + (a * a)) / a
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= -5.1e+89) {
tmp = (0.1111111111111111 / a) - ((a * a) / a);
} else if (rand <= 6e+188) {
tmp = a - 0.3333333333333333;
} else {
tmp = (0.1111111111111111 + (a * a)) / a;
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= -5.1e+89: tmp = (0.1111111111111111 / a) - ((a * a) / a) elif rand <= 6e+188: tmp = a - 0.3333333333333333 else: tmp = (0.1111111111111111 + (a * a)) / a return tmp
function code(a, rand) tmp = 0.0 if (rand <= -5.1e+89) tmp = Float64(Float64(0.1111111111111111 / a) - Float64(Float64(a * a) / a)); elseif (rand <= 6e+188) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(Float64(0.1111111111111111 + Float64(a * a)) / a); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= -5.1e+89) tmp = (0.1111111111111111 / a) - ((a * a) / a); elseif (rand <= 6e+188) tmp = a - 0.3333333333333333; else tmp = (0.1111111111111111 + (a * a)) / a; end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, -5.1e+89], N[(N[(0.1111111111111111 / a), $MachinePrecision] - N[(N[(a * a), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision], If[LessEqual[rand, 6e+188], N[(a - 0.3333333333333333), $MachinePrecision], N[(N[(0.1111111111111111 + N[(a * a), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq -5.1 \cdot 10^{+89}:\\
\;\;\;\;\frac{0.1111111111111111}{a} - \frac{a \cdot a}{a}\\
\mathbf{elif}\;rand \leq 6 \cdot 10^{+188}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\frac{0.1111111111111111 + a \cdot a}{a}\\
\end{array}
\end{array}
if rand < -5.10000000000000027e89Initial program 99.7%
remove-double-neg99.7%
remove-double-neg99.7%
sub-neg99.7%
metadata-eval99.7%
metadata-eval99.7%
remove-double-neg99.7%
remove-double-neg99.7%
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 a around inf 98.4%
*-commutative98.4%
Simplified98.4%
+-commutative98.4%
flip-+78.7%
flip-+58.5%
frac-times11.6%
metadata-eval11.6%
metadata-eval11.6%
frac-times11.7%
add-sqr-sqrt11.6%
*-commutative11.6%
sqrt-prod11.7%
metadata-eval11.7%
Applied egg-rr11.7%
associate-/l*17.8%
times-frac25.6%
Simplified25.6%
Taylor expanded in a around inf 0.3%
mul-1-neg0.3%
Simplified0.3%
div-sub0.3%
add-sqr-sqrt0.0%
sqrt-unprod0.3%
sqr-neg0.3%
sqrt-prod0.3%
add-sqr-sqrt0.3%
add-sqr-sqrt0.0%
sqrt-unprod2.4%
sqr-neg2.4%
sqrt-prod32.7%
add-sqr-sqrt32.7%
Applied egg-rr32.7%
if -5.10000000000000027e89 < rand < 6.0000000000000001e188Initial program 99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
*-commutative99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 87.1%
if 6.0000000000000001e188 < rand Initial program 99.8%
remove-double-neg99.8%
remove-double-neg99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
remove-double-neg99.8%
remove-double-neg99.8%
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 a around inf 96.6%
*-commutative96.6%
Simplified96.6%
+-commutative96.6%
flip-+96.5%
flip-+74.1%
frac-times3.4%
metadata-eval3.4%
metadata-eval3.4%
frac-times3.4%
add-sqr-sqrt3.4%
*-commutative3.4%
sqrt-prod3.4%
metadata-eval3.4%
Applied egg-rr3.4%
associate-/l*3.4%
times-frac18.1%
Simplified18.1%
Taylor expanded in a around inf 42.6%
mul-1-neg42.6%
Simplified42.6%
expm1-log1p-u42.6%
expm1-udef42.6%
cancel-sign-sub-inv42.6%
add-sqr-sqrt0.0%
sqrt-unprod0.0%
sqr-neg0.0%
sqrt-prod0.0%
add-sqr-sqrt0.0%
add-sqr-sqrt0.0%
sqrt-unprod2.6%
sqr-neg2.6%
sqrt-prod42.6%
add-sqr-sqrt42.6%
Applied egg-rr42.6%
expm1-def42.6%
expm1-log1p42.6%
Simplified42.6%
Final simplification73.0%
(FPCore (a rand) :precision binary64 (if (<= rand 6e+188) (- a 0.3333333333333333) (/ (+ 0.1111111111111111 (* a a)) a)))
double code(double a, double rand) {
double tmp;
if (rand <= 6e+188) {
tmp = a - 0.3333333333333333;
} else {
tmp = (0.1111111111111111 + (a * a)) / a;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: tmp
if (rand <= 6d+188) then
tmp = a - 0.3333333333333333d0
else
tmp = (0.1111111111111111d0 + (a * a)) / a
end if
code = tmp
end function
public static double code(double a, double rand) {
double tmp;
if (rand <= 6e+188) {
tmp = a - 0.3333333333333333;
} else {
tmp = (0.1111111111111111 + (a * a)) / a;
}
return tmp;
}
def code(a, rand): tmp = 0 if rand <= 6e+188: tmp = a - 0.3333333333333333 else: tmp = (0.1111111111111111 + (a * a)) / a return tmp
function code(a, rand) tmp = 0.0 if (rand <= 6e+188) tmp = Float64(a - 0.3333333333333333); else tmp = Float64(Float64(0.1111111111111111 + Float64(a * a)) / a); end return tmp end
function tmp_2 = code(a, rand) tmp = 0.0; if (rand <= 6e+188) tmp = a - 0.3333333333333333; else tmp = (0.1111111111111111 + (a * a)) / a; end tmp_2 = tmp; end
code[a_, rand_] := If[LessEqual[rand, 6e+188], N[(a - 0.3333333333333333), $MachinePrecision], N[(N[(0.1111111111111111 + N[(a * a), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;rand \leq 6 \cdot 10^{+188}:\\
\;\;\;\;a - 0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;\frac{0.1111111111111111 + a \cdot a}{a}\\
\end{array}
\end{array}
if rand < 6.0000000000000001e188Initial program 99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
*-commutative99.9%
sub-neg99.9%
metadata-eval99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in rand around 0 69.8%
if 6.0000000000000001e188 < rand Initial program 99.8%
remove-double-neg99.8%
remove-double-neg99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
remove-double-neg99.8%
remove-double-neg99.8%
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 a around inf 96.6%
*-commutative96.6%
Simplified96.6%
+-commutative96.6%
flip-+96.5%
flip-+74.1%
frac-times3.4%
metadata-eval3.4%
metadata-eval3.4%
frac-times3.4%
add-sqr-sqrt3.4%
*-commutative3.4%
sqrt-prod3.4%
metadata-eval3.4%
Applied egg-rr3.4%
associate-/l*3.4%
times-frac18.1%
Simplified18.1%
Taylor expanded in a around inf 42.6%
mul-1-neg42.6%
Simplified42.6%
expm1-log1p-u42.6%
expm1-udef42.6%
cancel-sign-sub-inv42.6%
add-sqr-sqrt0.0%
sqrt-unprod0.0%
sqr-neg0.0%
sqrt-prod0.0%
add-sqr-sqrt0.0%
add-sqr-sqrt0.0%
sqrt-unprod2.6%
sqr-neg2.6%
sqrt-prod42.6%
add-sqr-sqrt42.6%
Applied egg-rr42.6%
expm1-def42.6%
expm1-log1p42.6%
Simplified42.6%
Final simplification67.2%
(FPCore (a rand) :precision binary64 (- a 0.3333333333333333))
double code(double a, double rand) {
return a - 0.3333333333333333;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a - 0.3333333333333333d0
end function
public static double code(double a, double rand) {
return a - 0.3333333333333333;
}
def code(a, rand): return a - 0.3333333333333333
function code(a, rand) return Float64(a - 0.3333333333333333) end
function tmp = code(a, rand) tmp = a - 0.3333333333333333; end
code[a_, rand_] := N[(a - 0.3333333333333333), $MachinePrecision]
\begin{array}{l}
\\
a - 0.3333333333333333
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in rand around 0 63.5%
Final simplification63.5%
(FPCore (a rand) :precision binary64 -0.3333333333333333)
double code(double a, double rand) {
return -0.3333333333333333;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = -0.3333333333333333d0
end function
public static double code(double a, double rand) {
return -0.3333333333333333;
}
def code(a, rand): return -0.3333333333333333
function code(a, rand) return -0.3333333333333333 end
function tmp = code(a, rand) tmp = -0.3333333333333333; end
code[a_, rand_] := -0.3333333333333333
\begin{array}{l}
\\
-0.3333333333333333
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in rand around 0 99.8%
Taylor expanded in rand around inf 37.6%
*-commutative37.6%
sub-neg37.6%
metadata-eval37.6%
associate-*l*37.6%
+-commutative37.6%
*-commutative37.6%
Simplified37.6%
Taylor expanded in rand around 0 1.5%
Final simplification1.5%
(FPCore (a rand) :precision binary64 a)
double code(double a, double rand) {
return a;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a
end function
public static double code(double a, double rand) {
return a;
}
def code(a, rand): return a
function code(a, rand) return a end
function tmp = code(a, rand) tmp = a; end
code[a_, rand_] := a
\begin{array}{l}
\\
a
\end{array}
Initial program 99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
*-commutative99.8%
sub-neg99.8%
metadata-eval99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in a around inf 62.9%
Final simplification62.9%
herbie shell --seed 2023185
(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))))