\tan^{-1}_* \frac{im}{re}\tan^{-1}_* \frac{im}{re}double f(double re, double im) {
double r1793852 = im;
double r1793853 = re;
double r1793854 = atan2(r1793852, r1793853);
return r1793854;
}
double f(double re, double im) {
double r1793855 = im;
double r1793856 = re;
double r1793857 = atan2(r1793855, r1793856);
return r1793857;
}



Bits error versus re



Bits error versus im
Results
Initial program 0
Final simplification0
herbie shell --seed 2019151
(FPCore (re im)
:name "math.arg on complex"
(atan2 im re))