
(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 10 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 (/ -1.0 3.0)) (- 1.0 (/ rand (* (sqrt (+ a -0.3333333333333333)) -3.0)))))
double code(double a, double rand) {
return (a + (-1.0 / 3.0)) * (1.0 - (rand / (sqrt((a + -0.3333333333333333)) * -3.0)));
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = (a + ((-1.0d0) / 3.0d0)) * (1.0d0 - (rand / (sqrt((a + (-0.3333333333333333d0))) * (-3.0d0))))
end function
public static double code(double a, double rand) {
return (a + (-1.0 / 3.0)) * (1.0 - (rand / (Math.sqrt((a + -0.3333333333333333)) * -3.0)));
}
def code(a, rand): return (a + (-1.0 / 3.0)) * (1.0 - (rand / (math.sqrt((a + -0.3333333333333333)) * -3.0)))
function code(a, rand) return Float64(Float64(a + Float64(-1.0 / 3.0)) * Float64(1.0 - Float64(rand / Float64(sqrt(Float64(a + -0.3333333333333333)) * -3.0)))) end
function tmp = code(a, rand) tmp = (a + (-1.0 / 3.0)) * (1.0 - (rand / (sqrt((a + -0.3333333333333333)) * -3.0))); end
code[a_, rand_] := N[(N[(a + N[(-1.0 / 3.0), $MachinePrecision]), $MachinePrecision] * N[(1.0 - N[(rand / N[(N[Sqrt[N[(a + -0.3333333333333333), $MachinePrecision]], $MachinePrecision] * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(a + \frac{-1}{3}\right) \cdot \left(1 - \frac{rand}{\sqrt{a + -0.3333333333333333} \cdot -3}\right)
\end{array}
Initial program 99.8%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.9%
Applied egg-rr99.9%
Final simplification99.9%
(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%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.9%
Applied egg-rr99.9%
distribute-lft-inN/A
distribute-neg-frac2N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
sub-negN/A
sqrt-prodN/A
un-div-invN/A
*-commutativeN/A
distribute-lft-inN/A
*-lowering-*.f64N/A
Applied egg-rr99.9%
(FPCore (a rand)
:precision binary64
(let* ((t_0 (* rand (* 0.3333333333333333 (sqrt a)))))
(if (<= rand -2.25e+70)
t_0
(if (<= rand 9.2e+83) (+ a -0.3333333333333333) t_0))))
double code(double a, double rand) {
double t_0 = rand * (0.3333333333333333 * sqrt(a));
double tmp;
if (rand <= -2.25e+70) {
tmp = t_0;
} else if (rand <= 9.2e+83) {
tmp = a + -0.3333333333333333;
} else {
tmp = t_0;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: t_0
real(8) :: tmp
t_0 = rand * (0.3333333333333333d0 * sqrt(a))
if (rand <= (-2.25d+70)) then
tmp = t_0
else if (rand <= 9.2d+83) then
tmp = a + (-0.3333333333333333d0)
else
tmp = t_0
end if
code = tmp
end function
public static double code(double a, double rand) {
double t_0 = rand * (0.3333333333333333 * Math.sqrt(a));
double tmp;
if (rand <= -2.25e+70) {
tmp = t_0;
} else if (rand <= 9.2e+83) {
tmp = a + -0.3333333333333333;
} else {
tmp = t_0;
}
return tmp;
}
def code(a, rand): t_0 = rand * (0.3333333333333333 * math.sqrt(a)) tmp = 0 if rand <= -2.25e+70: tmp = t_0 elif rand <= 9.2e+83: tmp = a + -0.3333333333333333 else: tmp = t_0 return tmp
function code(a, rand) t_0 = Float64(rand * Float64(0.3333333333333333 * sqrt(a))) tmp = 0.0 if (rand <= -2.25e+70) tmp = t_0; elseif (rand <= 9.2e+83) tmp = Float64(a + -0.3333333333333333); else tmp = t_0; end return tmp end
function tmp_2 = code(a, rand) t_0 = rand * (0.3333333333333333 * sqrt(a)); tmp = 0.0; if (rand <= -2.25e+70) tmp = t_0; elseif (rand <= 9.2e+83) tmp = a + -0.3333333333333333; else tmp = t_0; end tmp_2 = tmp; end
code[a_, rand_] := Block[{t$95$0 = N[(rand * N[(0.3333333333333333 * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[rand, -2.25e+70], t$95$0, If[LessEqual[rand, 9.2e+83], N[(a + -0.3333333333333333), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := rand \cdot \left(0.3333333333333333 \cdot \sqrt{a}\right)\\
\mathbf{if}\;rand \leq -2.25 \cdot 10^{+70}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;rand \leq 9.2 \cdot 10^{+83}:\\
\;\;\;\;a + -0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if rand < -2.25e70 or 9.1999999999999998e83 < rand Initial program 99.6%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.7%
Applied egg-rr99.7%
Taylor expanded in rand around inf
*-commutativeN/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f64N/A
*-lowering-*.f6493.8%
Simplified93.8%
Taylor expanded in a around inf
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6490.1%
Simplified90.1%
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6490.3%
Applied egg-rr90.3%
if -2.25e70 < rand < 9.1999999999999998e83Initial program 99.9%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval100.0%
Applied egg-rr100.0%
Taylor expanded in rand around 0
sub-negN/A
metadata-evalN/A
+-lowering-+.f6495.4%
Simplified95.4%
Final simplification93.7%
(FPCore (a rand)
:precision binary64
(let* ((t_0 (* (* rand 0.3333333333333333) (sqrt a))))
(if (<= rand -2.4e+70)
t_0
(if (<= rand 7.8e+83) (+ a -0.3333333333333333) t_0))))
double code(double a, double rand) {
double t_0 = (rand * 0.3333333333333333) * sqrt(a);
double tmp;
if (rand <= -2.4e+70) {
tmp = t_0;
} else if (rand <= 7.8e+83) {
tmp = a + -0.3333333333333333;
} else {
tmp = t_0;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: t_0
real(8) :: tmp
t_0 = (rand * 0.3333333333333333d0) * sqrt(a)
if (rand <= (-2.4d+70)) then
tmp = t_0
else if (rand <= 7.8d+83) then
tmp = a + (-0.3333333333333333d0)
else
tmp = t_0
end if
code = tmp
end function
public static double code(double a, double rand) {
double t_0 = (rand * 0.3333333333333333) * Math.sqrt(a);
double tmp;
if (rand <= -2.4e+70) {
tmp = t_0;
} else if (rand <= 7.8e+83) {
tmp = a + -0.3333333333333333;
} else {
tmp = t_0;
}
return tmp;
}
def code(a, rand): t_0 = (rand * 0.3333333333333333) * math.sqrt(a) tmp = 0 if rand <= -2.4e+70: tmp = t_0 elif rand <= 7.8e+83: tmp = a + -0.3333333333333333 else: tmp = t_0 return tmp
function code(a, rand) t_0 = Float64(Float64(rand * 0.3333333333333333) * sqrt(a)) tmp = 0.0 if (rand <= -2.4e+70) tmp = t_0; elseif (rand <= 7.8e+83) tmp = Float64(a + -0.3333333333333333); else tmp = t_0; end return tmp end
function tmp_2 = code(a, rand) t_0 = (rand * 0.3333333333333333) * sqrt(a); tmp = 0.0; if (rand <= -2.4e+70) tmp = t_0; elseif (rand <= 7.8e+83) tmp = a + -0.3333333333333333; else tmp = t_0; end tmp_2 = tmp; end
code[a_, rand_] := Block[{t$95$0 = N[(N[(rand * 0.3333333333333333), $MachinePrecision] * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[rand, -2.4e+70], t$95$0, If[LessEqual[rand, 7.8e+83], N[(a + -0.3333333333333333), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(rand \cdot 0.3333333333333333\right) \cdot \sqrt{a}\\
\mathbf{if}\;rand \leq -2.4 \cdot 10^{+70}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;rand \leq 7.8 \cdot 10^{+83}:\\
\;\;\;\;a + -0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if rand < -2.39999999999999987e70 or 7.8000000000000003e83 < rand Initial program 99.6%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.7%
Applied egg-rr99.7%
Taylor expanded in rand around inf
*-commutativeN/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f64N/A
*-lowering-*.f6493.8%
Simplified93.8%
Taylor expanded in a around inf
Simplified90.3%
if -2.39999999999999987e70 < rand < 7.8000000000000003e83Initial program 99.9%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval100.0%
Applied egg-rr100.0%
Taylor expanded in rand around 0
sub-negN/A
metadata-evalN/A
+-lowering-+.f6495.4%
Simplified95.4%
Final simplification93.7%
(FPCore (a rand)
:precision binary64
(let* ((t_0 (* 0.3333333333333333 (* rand (sqrt a)))))
(if (<= rand -3.15e+69)
t_0
(if (<= rand 6.5e+83) (+ a -0.3333333333333333) t_0))))
double code(double a, double rand) {
double t_0 = 0.3333333333333333 * (rand * sqrt(a));
double tmp;
if (rand <= -3.15e+69) {
tmp = t_0;
} else if (rand <= 6.5e+83) {
tmp = a + -0.3333333333333333;
} else {
tmp = t_0;
}
return tmp;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
real(8) :: t_0
real(8) :: tmp
t_0 = 0.3333333333333333d0 * (rand * sqrt(a))
if (rand <= (-3.15d+69)) then
tmp = t_0
else if (rand <= 6.5d+83) then
tmp = a + (-0.3333333333333333d0)
else
tmp = t_0
end if
code = tmp
end function
public static double code(double a, double rand) {
double t_0 = 0.3333333333333333 * (rand * Math.sqrt(a));
double tmp;
if (rand <= -3.15e+69) {
tmp = t_0;
} else if (rand <= 6.5e+83) {
tmp = a + -0.3333333333333333;
} else {
tmp = t_0;
}
return tmp;
}
def code(a, rand): t_0 = 0.3333333333333333 * (rand * math.sqrt(a)) tmp = 0 if rand <= -3.15e+69: tmp = t_0 elif rand <= 6.5e+83: tmp = a + -0.3333333333333333 else: tmp = t_0 return tmp
function code(a, rand) t_0 = Float64(0.3333333333333333 * Float64(rand * sqrt(a))) tmp = 0.0 if (rand <= -3.15e+69) tmp = t_0; elseif (rand <= 6.5e+83) tmp = Float64(a + -0.3333333333333333); else tmp = t_0; end return tmp end
function tmp_2 = code(a, rand) t_0 = 0.3333333333333333 * (rand * sqrt(a)); tmp = 0.0; if (rand <= -3.15e+69) tmp = t_0; elseif (rand <= 6.5e+83) tmp = a + -0.3333333333333333; else tmp = t_0; end tmp_2 = tmp; end
code[a_, rand_] := Block[{t$95$0 = N[(0.3333333333333333 * N[(rand * N[Sqrt[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[rand, -3.15e+69], t$95$0, If[LessEqual[rand, 6.5e+83], N[(a + -0.3333333333333333), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 0.3333333333333333 \cdot \left(rand \cdot \sqrt{a}\right)\\
\mathbf{if}\;rand \leq -3.15 \cdot 10^{+69}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;rand \leq 6.5 \cdot 10^{+83}:\\
\;\;\;\;a + -0.3333333333333333\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if rand < -3.15000000000000004e69 or 6.5000000000000003e83 < rand Initial program 99.6%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.7%
Applied egg-rr99.7%
Taylor expanded in rand around inf
*-commutativeN/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f64N/A
*-lowering-*.f6493.8%
Simplified93.8%
Taylor expanded in a around inf
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6490.1%
Simplified90.1%
if -3.15000000000000004e69 < rand < 6.5000000000000003e83Initial program 99.9%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval100.0%
Applied egg-rr100.0%
Taylor expanded in rand around 0
sub-negN/A
metadata-evalN/A
+-lowering-+.f6495.4%
Simplified95.4%
(FPCore (a rand) :precision binary64 (fma (sqrt (+ a -0.3333333333333333)) (* rand 0.3333333333333333) (+ a -0.3333333333333333)))
double code(double a, double rand) {
return fma(sqrt((a + -0.3333333333333333)), (rand * 0.3333333333333333), (a + -0.3333333333333333));
}
function code(a, rand) return fma(sqrt(Float64(a + -0.3333333333333333)), Float64(rand * 0.3333333333333333), Float64(a + -0.3333333333333333)) end
code[a_, rand_] := N[(N[Sqrt[N[(a + -0.3333333333333333), $MachinePrecision]], $MachinePrecision] * N[(rand * 0.3333333333333333), $MachinePrecision] + N[(a + -0.3333333333333333), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\sqrt{a + -0.3333333333333333}, rand \cdot 0.3333333333333333, a + -0.3333333333333333\right)
\end{array}
Initial program 99.8%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.9%
Applied egg-rr99.9%
Taylor expanded in rand around 0
+-commutativeN/A
associate--l+N/A
*-commutativeN/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f6499.9%
Simplified99.9%
Final simplification99.9%
(FPCore (a rand) :precision binary64 (fma (* rand 0.3333333333333333) (sqrt a) a))
double code(double a, double rand) {
return fma((rand * 0.3333333333333333), sqrt(a), a);
}
function code(a, rand) return fma(Float64(rand * 0.3333333333333333), sqrt(a), a) end
code[a_, rand_] := N[(N[(rand * 0.3333333333333333), $MachinePrecision] * N[Sqrt[a], $MachinePrecision] + a), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(rand \cdot 0.3333333333333333, \sqrt{a}, a\right)
\end{array}
Initial program 99.8%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.9%
Applied egg-rr99.9%
Taylor expanded in a around inf
*-lowering-*.f64N/A
cancel-sign-sub-invN/A
metadata-evalN/A
+-commutativeN/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
*-lowering-*.f6497.7%
Simplified97.7%
distribute-rgt-inN/A
*-commutativeN/A
associate-*l*N/A
pow1/2N/A
inv-powN/A
pow-powN/A
pow-plusN/A
metadata-evalN/A
metadata-evalN/A
pow1/2N/A
*-lft-identityN/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f6497.7%
Applied egg-rr97.7%
(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%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.9%
Applied egg-rr99.9%
Taylor expanded in rand around 0
sub-negN/A
metadata-evalN/A
+-lowering-+.f6466.3%
Simplified66.3%
(FPCore (a rand) :precision binary64 a)
double code(double a, double rand) {
return a;
}
real(8) function code(a, rand)
real(8), intent (in) :: a
real(8), intent (in) :: rand
code = a
end function
public static double code(double a, double rand) {
return a;
}
def code(a, rand): return a
function code(a, rand) return a end
function tmp = code(a, rand) tmp = a; end
code[a_, rand_] := a
\begin{array}{l}
\\
a
\end{array}
Initial program 99.8%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.9%
Applied egg-rr99.9%
Taylor expanded in rand around 0
sub-negN/A
metadata-evalN/A
+-lowering-+.f6466.3%
Simplified66.3%
Taylor expanded in a around inf
Simplified65.4%
(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%
associate-*l/N/A
frac-2negN/A
*-lft-identityN/A
distribute-frac-negN/A
neg-lowering-neg.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
sqrt-prodN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
sub-negN/A
+-lowering-+.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-eval99.9%
Applied egg-rr99.9%
Taylor expanded in rand around 0
sub-negN/A
metadata-evalN/A
+-lowering-+.f6466.3%
Simplified66.3%
Taylor expanded in a around 0
Simplified1.6%
herbie shell --seed 2024193
(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))))