Average Error: 0.0 → 0.0
Time: 11.2s
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 r32279 = f;
        double r32280 = n;
        double r32281 = r32279 + r32280;
        double r32282 = -r32281;
        double r32283 = r32279 - r32280;
        double r32284 = r32282 / r32283;
        return r32284;
}
↓
double f(double f, double n) {
        double r32285 = f;
        double r32286 = n;
        double r32287 = r32285 + r32286;
        double r32288 = -r32287;
        double r32289 = r32285 - r32286;
        double r32290 = r32288 / r32289;
        return r32290;
}

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