Average Error: 0 → 0
Time: 303.0ms
Precision: 64
\[100 \cdot \frac{x - x}{x}\]
↓
\[0\]
100 \cdot \frac{x - x}{x}
↓
0
double f(double x) {
        double r323747 = 100.0;
        double r323748 = x;
        double r323749 = r323748 - r323748;
        double r323750 = r323749 / r323748;
        double r323751 = r323747 * r323750;
        return r323751;
}
↓
double f(double __attribute__((unused)) x) {
        double r323752 = 0.0;
        return r323752;
}

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 2020043 +o rules:numerics
(FPCore (x)
  :name "ReportTypes:explainFloat from gipeda-0.1.2.1"
  :precision binary64

  :herbie-target
  0.0

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