Average Error: 0.0 → 0.0
Time: 11.7s
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 r30329 = f;
        double r30330 = n;
        double r30331 = r30329 + r30330;
        double r30332 = -r30331;
        double r30333 = r30329 - r30330;
        double r30334 = r30332 / r30333;
        return r30334;
}
↓
double f(double f, double n) {
        double r30335 = f;
        double r30336 = n;
        double r30337 = r30335 + r30336;
        double r30338 = -r30337;
        double r30339 = r30335 - r30336;
        double r30340 = r30338 / r30339;
        return r30340;
}

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 2020045 
(FPCore (f n)
  :name "subtraction fraction"
  :precision binary64
  (/ (- (+ f n)) (- f n)))