\tan^{-1}_* \frac{im}{re}\tan^{-1}_* \frac{im}{re}double f(double re, double im) {
double r1329975 = im;
double r1329976 = re;
double r1329977 = atan2(r1329975, r1329976);
return r1329977;
}
double f(double re, double im) {
double r1329978 = im;
double r1329979 = re;
double r1329980 = atan2(r1329978, r1329979);
return r1329980;
}



Bits error versus re



Bits error versus im
Results
Initial program 0
Final simplification0
herbie shell --seed 2019162
(FPCore (re im)
:name "math.arg on complex"
(atan2 im re))