Average Error: 0.0 → 0.0
Time: 6.2s
Precision: 64
\[\frac{x}{1 - x}\]
↓
\[\frac{x}{1 - x}\]
\frac{x}{1 - x}
↓
\frac{x}{1 - x}
double f(double x) {
        double r119981 = x;
        double r119982 = 1.0;
        double r119983 = r119982 - r119981;
        double r119984 = r119981 / r119983;
        return r119984;
}
↓
double f(double x) {
        double r119985 = x;
        double r119986 = 1.0;
        double r119987 = r119986 - r119985;
        double r119988 = r119985 / r119987;
        return r119988;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{x}{1 - x}\]

  2. Final simplification0.0

    \[\leadsto \frac{x}{1 - x}\]

Reproduce

herbie shell --seed 2019325 +o rules:numerics
(FPCore (x)
  :name "Numeric.Integration.TanhSinh:nonNegative from integration-0.2.1"
  :precision binary64
  (/ x (- 1 x)))