Average Error: 0.0 → 0.0
Time: 774.0ms
Precision: 64
\[\frac{x}{1.0 - x}\]
↓
\[\frac{x}{1.0 - x}\]
\frac{x}{1.0 - x}
↓
\frac{x}{1.0 - x}
double f(double x) {
        double r8472919 = x;
        double r8472920 = 1.0;
        double r8472921 = r8472920 - r8472919;
        double r8472922 = r8472919 / r8472921;
        return r8472922;
}
↓
double f(double x) {
        double r8472923 = x;
        double r8472924 = 1.0;
        double r8472925 = r8472924 - r8472923;
        double r8472926 = r8472923 / r8472925;
        return r8472926;
}

Error

Bits error versus x

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Results

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Derivation

  1. Initial program 0.0

    \[\frac{x}{1.0 - x}\]

  2. Final simplification0.0

    \[\leadsto \frac{x}{1.0 - x}\]

Reproduce

herbie shell --seed 2019158 
(FPCore (x)
  :name "Numeric.Integration.TanhSinh:nonNegative from integration-0.2.1"
  (/ x (- 1.0 x)))