Average Error: 0 → 0
Time: 857.0ms
Precision: 64
\[100.0 \cdot \frac{x - x}{x}\]
↓
\[0\]
100.0 \cdot \frac{x - x}{x}
↓
0
double f(double x) {
        double r8924319 = 100.0;
        double r8924320 = x;
        double r8924321 = r8924320 - r8924320;
        double r8924322 = r8924321 / r8924320;
        double r8924323 = r8924319 * r8924322;
        return r8924323;
}
↓
double f(double __attribute__((unused)) x) {
        double r8924324 = 0.0;
        return r8924324;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0
Target0
Herbie0
\[0\]

Derivation

  1. Initial program 0

    \[100.0 \cdot \frac{x - x}{x}\]

  2. Simplified0

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

  3. Final simplification0

    \[\leadsto 0\]

Reproduce

herbie shell --seed 2019162 +o rules:numerics
(FPCore (x)
  :name "ReportTypes:explainFloat from gipeda-0.1.2.1"

  :herbie-target
  0

  (* 100.0 (/ (- x x) x)))