\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}\frac{1}{\sqrt{\log 10}} \cdot \left(\sqrt{\frac{1}{\sqrt[3]{\sqrt{\log 10}}}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \left|\frac{1}{\sqrt[3]{\sqrt{\log 10}}}\right|\right) \cdot \sqrt{\frac{1}{\sqrt{\log 10}}}\right)\right)double f(double re, double im) {
double r1692889 = im;
double r1692890 = re;
double r1692891 = atan2(r1692889, r1692890);
double r1692892 = 10.0;
double r1692893 = log(r1692892);
double r1692894 = r1692891 / r1692893;
return r1692894;
}
double f(double re, double im) {
double r1692895 = 1.0;
double r1692896 = 10.0;
double r1692897 = log(r1692896);
double r1692898 = sqrt(r1692897);
double r1692899 = r1692895 / r1692898;
double r1692900 = cbrt(r1692898);
double r1692901 = r1692895 / r1692900;
double r1692902 = sqrt(r1692901);
double r1692903 = im;
double r1692904 = re;
double r1692905 = atan2(r1692903, r1692904);
double r1692906 = fabs(r1692901);
double r1692907 = r1692905 * r1692906;
double r1692908 = sqrt(r1692899);
double r1692909 = r1692907 * r1692908;
double r1692910 = r1692902 * r1692909;
double r1692911 = r1692899 * r1692910;
return r1692911;
}



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-*r*0.8
rmApplied add-cube-cbrt0.1
Applied *-un-lft-identity0.1
Applied times-frac0.1
Applied sqrt-prod0.1
Applied associate-*r*1.3
Simplified0.2
Final simplification0.2
herbie shell --seed 2019179
(FPCore (re im)
:name "math.log10 on complex, imaginary part"
(/ (atan2 im re) (log 10.0)))