Average Error: 0.0 → 0.0
Time: 20.8s
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 r731557 = f;
        double r731558 = n;
        double r731559 = r731557 + r731558;
        double r731560 = -r731559;
        double r731561 = r731557 - r731558;
        double r731562 = r731560 / r731561;
        return r731562;
}
↓
double f(double f, double n) {
        double r731563 = n;
        double r731564 = f;
        double r731565 = r731563 + r731564;
        double r731566 = -r731565;
        double r731567 = r731564 - r731563;
        double r731568 = r731566 / r731567;
        return r731568;
}

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 2019133 
(FPCore (f n)
  :name "subtraction fraction"
  (/ (- (+ f n)) (- f n)))