Average Error: 0.0 → 0.0
Time: 2.2s
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 r9466 = f;
        double r9467 = n;
        double r9468 = r9466 + r9467;
        double r9469 = -r9468;
        double r9470 = r9466 - r9467;
        double r9471 = r9469 / r9470;
        return r9471;
}
↓
double f(double f, double n) {
        double r9472 = f;
        double r9473 = n;
        double r9474 = r9472 + r9473;
        double r9475 = -r9474;
        double r9476 = r9472 - r9473;
        double r9477 = r9475 / r9476;
        return r9477;
}

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 2019208 +o rules:numerics
(FPCore (f n)
  :name "subtraction fraction"
  :precision binary64
  (/ (- (+ f n)) (- f n)))