Average Error: 0.0 → 0.0
Time: 7.3m
Precision: 64
\[\frac{-\left(f + n\right)}{f - n}\]
↓
\[\frac{-\left(n + f\right)}{f - n}\]
\frac{-\left(f + n\right)}{f - n}
↓
\frac{-\left(n + f\right)}{f - n}
double f(double f, double n) {
        double r33297929 = f;
        double r33297930 = n;
        double r33297931 = r33297929 + r33297930;
        double r33297932 = -r33297931;
        double r33297933 = r33297929 - r33297930;
        double r33297934 = r33297932 / r33297933;
        return r33297934;
}
↓
double f(double f, double n) {
        double r33297935 = n;
        double r33297936 = f;
        double r33297937 = r33297935 + r33297936;
        double r33297938 = -r33297937;
        double r33297939 = r33297936 - r33297935;
        double r33297940 = r33297938 / r33297939;
        return r33297940;
}

Error

Bits error versus f

Bits error versus n

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{-\left(f + n\right)}{f - n}\]

  2. Final simplification0.0

    \[\leadsto \frac{-\left(n + f\right)}{f - n}\]

Reproduce

herbie shell --seed 2019119 
(FPCore (f n)
  :name "subtraction fraction"
  (/ (- (+ f n)) (- f n)))