Average Error: 0.0 → 0.0
Time: 14.1s
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 r816650 = f;
        double r816651 = n;
        double r816652 = r816650 + r816651;
        double r816653 = -r816652;
        double r816654 = r816650 - r816651;
        double r816655 = r816653 / r816654;
        return r816655;
}
↓
double f(double f, double n) {
        double r816656 = n;
        double r816657 = f;
        double r816658 = r816656 + r816657;
        double r816659 = -r816658;
        double r816660 = r816657 - r816656;
        double r816661 = r816659 / r816660;
        return r816661;
}

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 2019172 
(FPCore (f n)
  :name "subtraction fraction"
  (/ (- (+ f n)) (- f n)))