Average Error: 0.0 → 0.0
Time: 13.4s
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 r21494 = f;
        double r21495 = n;
        double r21496 = r21494 + r21495;
        double r21497 = -r21496;
        double r21498 = r21494 - r21495;
        double r21499 = r21497 / r21498;
        return r21499;
}
↓
double f(double f, double n) {
        double r21500 = f;
        double r21501 = n;
        double r21502 = r21500 + r21501;
        double r21503 = -r21502;
        double r21504 = r21500 - r21501;
        double r21505 = r21503 / r21504;
        return r21505;
}

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 2020047 
(FPCore (f n)
  :name "subtraction fraction"
  :precision binary64
  (/ (- (+ f n)) (- f n)))