Average Error: 0.0 → 0.0
Time: 9.4s
Precision: 64
\[\frac{-\left(f + n\right)}{f - n}\]
↓
\[\frac{-\left(f + n\right)}{f - n}\]
\frac{-\left(f + n\right)}{f - n}
↓
\frac{-\left(f + n\right)}{f - n}
double f(double f, double n) {
        double r22785 = f;
        double r22786 = n;
        double r22787 = r22785 + r22786;
        double r22788 = -r22787;
        double r22789 = r22785 - r22786;
        double r22790 = r22788 / r22789;
        return r22790;
}
↓
double f(double f, double n) {
        double r22791 = f;
        double r22792 = n;
        double r22793 = r22791 + r22792;
        double r22794 = -r22793;
        double r22795 = r22791 - r22792;
        double r22796 = r22794 / r22795;
        return r22796;
}

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

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

Reproduce

herbie shell --seed 2020047 
(FPCore (f n)
  :name "subtraction fraction"
  :precision binary64
  (/ (- (+ f n)) (- f n)))