Average Error: 0 → 0
Time: 515.0ms
Precision: 64
\[\tan^{-1}_* \frac{im}{re}\]
↓
\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
↓
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r1311820 = im;
        double r1311821 = re;
        double r1311822 = atan2(r1311820, r1311821);
        return r1311822;
}
↓
double f(double re, double im) {
        double r1311823 = im;
        double r1311824 = re;
        double r1311825 = atan2(r1311823, r1311824);
        return r1311825;
}

Error

Bits error versus re

Bits error versus im

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\tan^{-1}_* \frac{im}{re}\]

  2. Final simplification0

    \[\leadsto \tan^{-1}_* \frac{im}{re}\]

Reproduce

herbie shell --seed 2019162 +o rules:numerics
(FPCore (re im)
  :name "math.arg on complex"
  (atan2 im re))