Average Error: 0.0 → 0.0
Time: 14.9s
Precision: 64
\[\frac{-\left(f + n\right)}{f - n}\]
↓
\[-\frac{f + n}{f - n}\]
\frac{-\left(f + n\right)}{f - n}
↓
-\frac{f + n}{f - n}
double f(double f, double n) {
        double r1246136 = f;
        double r1246137 = n;
        double r1246138 = r1246136 + r1246137;
        double r1246139 = -r1246138;
        double r1246140 = r1246136 - r1246137;
        double r1246141 = r1246139 / r1246140;
        return r1246141;
}
↓
double f(double f, double n) {
        double r1246142 = f;
        double r1246143 = n;
        double r1246144 = r1246142 + r1246143;
        double r1246145 = r1246142 - r1246143;
        double r1246146 = r1246144 / r1246145;
        double r1246147 = -r1246146;
        return r1246147;
}

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. Using strategy rm

  3. Applied distribute-frac-neg0.0

    \[\leadsto \color{blue}{-\frac{f + n}{f - n}}\]

  4. Final simplification0.0

    \[\leadsto -\frac{f + n}{f - n}\]

Reproduce

herbie shell --seed 2019174 +o rules:numerics
(FPCore (f n)
  :name "subtraction fraction"
  (/ (- (+ f n)) (- f n)))