Average Error: 0.0 → 0.0
Time: 5.4s
Precision: 64
\[\frac{x}{1 - x}\]
↓
\[\frac{x}{1 - x}\]
\frac{x}{1 - x}
↓
\frac{x}{1 - x}
double f(double x) {
        double r70127 = x;
        double r70128 = 1.0;
        double r70129 = r70128 - r70127;
        double r70130 = r70127 / r70129;
        return r70130;
}
↓
double f(double x) {
        double r70131 = x;
        double r70132 = 1.0;
        double r70133 = r70132 - r70131;
        double r70134 = r70131 / r70133;
        return r70134;
}

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 
(FPCore (x)
  :name "Numeric.Integration.TanhSinh:nonNegative from integration-0.2.1"
  :precision binary64
  (/ x (- 1 x)))