Average Error: 0.0 → 0.0
Time: 14.3s
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 r879015 = f;
        double r879016 = n;
        double r879017 = r879015 + r879016;
        double r879018 = -r879017;
        double r879019 = r879015 - r879016;
        double r879020 = r879018 / r879019;
        return r879020;
}
↓
double f(double f, double n) {
        double r879021 = n;
        double r879022 = f;
        double r879023 = r879021 + r879022;
        double r879024 = -r879023;
        double r879025 = r879022 - r879021;
        double r879026 = r879024 / r879025;
        return r879026;
}

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

    \[\leadsto \frac{-\left(n + f\right)}{f - n}\]

Reproduce

herbie shell --seed 2019172 
(FPCore (f n)
  :name "subtraction fraction"
  (/ (- (+ f n)) (- f n)))