\tan^{-1}_* \frac{im}{re}\tan^{-1}_* \frac{im}{re}double f(double re, double im) {
double r1406447 = im;
double r1406448 = re;
double r1406449 = atan2(r1406447, r1406448);
return r1406449;
}
double f(double re, double im) {
double r1406450 = im;
double r1406451 = re;
double r1406452 = atan2(r1406450, r1406451);
return r1406452;
}



Bits error versus re



Bits error versus im
Results
Initial program 0
Final simplification0
herbie shell --seed 2019174
(FPCore (re im)
:name "math.arg on complex"
(atan2 im re))