Average Error: 0.0 → 0.0
Time: 15.9s
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 r779645 = f;
        double r779646 = n;
        double r779647 = r779645 + r779646;
        double r779648 = -r779647;
        double r779649 = r779645 - r779646;
        double r779650 = r779648 / r779649;
        return r779650;
}
↓
double f(double f, double n) {
        double r779651 = n;
        double r779652 = f;
        double r779653 = r779651 + r779652;
        double r779654 = -r779653;
        double r779655 = r779652 - r779651;
        double r779656 = r779654 / r779655;
        return r779656;
}

Error

Bits error versus f

Bits error versus n

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