\cos^{-1} \left({\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}^{\left(\mathsf{log1p}\left(a\right)\right)}\right)\cos^{-1} \left({\left(\log \left(\sqrt{e^{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}\right) + \log \left(\sqrt{e^{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}}\right)\right)}^{\left(\mathsf{log1p}\left(a\right)\right)}\right)double code(double a) {
return acos(pow(fmod(cosh(a), (a * a)), log1p(a)));
}
double code(double a) {
return acos(pow((log(sqrt(exp(fmod(cosh(a), (a * a))))) + log(sqrt(exp(fmod(cosh(a), (a * a)))))), log1p(a)));
}



Bits error versus a
Results
Initial program 61.2
rmApplied add-log-exp60.2
rmApplied add-sqr-sqrt60.3
Applied log-prod60.3
Final simplification60.3
herbie shell --seed 2020058 +o rules:numerics
(FPCore (a)
:name "Random Jason Timeout Test 012"
:precision binary64
(acos (pow (fmod (cosh a) (* a a)) (log1p a))))