\cos^{-1} \left({\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}^{\left(\mathsf{log1p}\left(a\right)\right)}\right)\left(\sqrt[3]{\frac{\pi}{2} - \sin^{-1} \left({\left(\log \left(e^{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}\right)\right)}^{\left(\mathsf{log1p}\left(a\right)\right)}\right)} \cdot \sqrt[3]{\frac{\pi}{2} - \sin^{-1} \left({\left(\log \left(e^{\left(\left(\cosh a\right) \bmod \left(a \cdot a\right)\right)}\right)\right)}^{\left(\mathsf{log1p}\left(a\right)\right)}\right)}\right) \cdot \sqrt[3]{\frac{\pi}{2} - \sin^{-1} \left({\left(\log \left(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 ((double) acos(((double) pow(((double) fmod(((double) cosh(a)), ((double) (a * a)))), ((double) log1p(a))))));
}
double code(double a) {
return ((double) (((double) (((double) cbrt(((double) (((double) (((double) M_PI) / 2.0)) - ((double) asin(((double) pow(((double) log(((double) exp(((double) fmod(((double) cosh(a)), ((double) (a * a)))))))), ((double) log1p(a)))))))))) * ((double) cbrt(((double) (((double) (((double) M_PI) / 2.0)) - ((double) asin(((double) pow(((double) log(((double) exp(((double) fmod(((double) cosh(a)), ((double) (a * a)))))))), ((double) log1p(a)))))))))))) * ((double) cbrt(((double) (((double) (((double) M_PI) / 2.0)) - ((double) asin(((double) pow(((double) log(((double) exp(((double) fmod(((double) cosh(a)), ((double) (a * a)))))))), ((double) log1p(a))))))))))));
}



Bits error versus a
Results
Initial program 61.1
rmApplied add-log-exp60.2
rmApplied acos-asin60.2
rmApplied add-cube-cbrt60.2
Final simplification60.2
herbie shell --seed 2020126
(FPCore (a)
:name "Random Jason Timeout Test 012"
:precision binary64
(acos (pow (fmod (cosh a) (* a a)) (log1p a))))