\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}\left(\sqrt[3]{\sqrt{\frac{1}{\sqrt{\log 10}}}} \cdot \sqrt[3]{\sqrt{\frac{1}{\sqrt{\log 10}}}}\right) \cdot \left(\left(\sqrt{\frac{1}{\sqrt{\log 10}}} \cdot \left(\frac{1}{\sqrt{\log 10}} \cdot \tan^{-1}_* \frac{im}{re}\right)\right) \cdot \sqrt[3]{\sqrt{\frac{1}{\sqrt{\log 10}}}}\right)double f(double re, double im) {
double r1413673 = im;
double r1413674 = re;
double r1413675 = atan2(r1413673, r1413674);
double r1413676 = 10.0;
double r1413677 = log(r1413676);
double r1413678 = r1413675 / r1413677;
return r1413678;
}
double f(double re, double im) {
double r1413679 = 1.0;
double r1413680 = 10.0;
double r1413681 = log(r1413680);
double r1413682 = sqrt(r1413681);
double r1413683 = r1413679 / r1413682;
double r1413684 = sqrt(r1413683);
double r1413685 = cbrt(r1413684);
double r1413686 = r1413685 * r1413685;
double r1413687 = im;
double r1413688 = re;
double r1413689 = atan2(r1413687, r1413688);
double r1413690 = r1413683 * r1413689;
double r1413691 = r1413684 * r1413690;
double r1413692 = r1413691 * r1413685;
double r1413693 = r1413686 * r1413692;
return r1413693;
}



Bits error versus re



Bits error versus im
Results
Initial program 0.8
rmApplied add-sqr-sqrt0.8
Applied *-un-lft-identity0.8
Applied times-frac0.8
rmApplied div-inv0.8
rmApplied add-sqr-sqrt0.8
Applied associate-*l*0.8
rmApplied add-cube-cbrt0.1
Applied associate-*l*0.2
Final simplification0.2
herbie shell --seed 2019172 +o rules:numerics
(FPCore (re im)
:name "math.log10 on complex, imaginary part"
(/ (atan2 im re) (log 10.0)))