Average Error: 0.0 → 0.0
Time: 5.0s
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 r22119 = f;
        double r22120 = n;
        double r22121 = r22119 + r22120;
        double r22122 = -r22121;
        double r22123 = r22119 - r22120;
        double r22124 = r22122 / r22123;
        return r22124;
}
↓
double f(double f, double n) {
        double r22125 = f;
        double r22126 = n;
        double r22127 = r22125 + r22126;
        double r22128 = -r22127;
        double r22129 = r22125 - r22126;
        double r22130 = r22128 / r22129;
        return r22130;
}

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 2019362 
(FPCore (f n)
  :name "subtraction fraction"
  :precision binary64
  (/ (- (+ f n)) (- f n)))