Average Error: 0 → 0
Time: 589.0ms
Precision: 64
\[100 \cdot \frac{x - x}{x}\]
↓
\[0\]
100 \cdot \frac{x - x}{x}
↓
0
double f(double x) {
        double r20718 = 100.0;
        double r20719 = x;
        double r20720 = r20719 - r20719;
        double r20721 = r20720 / r20719;
        double r20722 = r20718 * r20721;
        return r20722;
}
↓
double f(double __attribute__((unused)) x) {
        double r20723 = 0.0;
        return r20723;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0
Target0
Herbie0
\[0.0\]

Derivation

  1. Initial program 0

    \[100 \cdot \frac{x - x}{x}\]

  2. Simplified0

    \[\leadsto \color{blue}{0}\]

  3. Final simplification0

    \[\leadsto 0\]

Reproduce

herbie shell --seed 2019310 +o rules:numerics
(FPCore (x)
  :name "ReportTypes:explainFloat from gipeda-0.1.2.1"
  :precision binary64

  :herbie-target
  0.0

  (* 100 (/ (- x x) x)))