Average Error: 0.0 → 0.0
Time: 15.4s
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 r779647 = f;
        double r779648 = n;
        double r779649 = r779647 + r779648;
        double r779650 = -r779649;
        double r779651 = r779647 - r779648;
        double r779652 = r779650 / r779651;
        return r779652;
}
↓
double f(double f, double n) {
        double r779653 = n;
        double r779654 = f;
        double r779655 = r779653 + r779654;
        double r779656 = -r779655;
        double r779657 = r779654 - r779653;
        double r779658 = r779656 / r779657;
        return r779658;
}

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)))