Average Error: 0.0 → 0.0
Time: 9.1s
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 r7854369 = x;
        double r7854370 = 1.0;
        double r7854371 = r7854370 - r7854369;
        double r7854372 = r7854369 / r7854371;
        return r7854372;
}
↓
double f(double x) {
        double r7854373 = x;
        double r7854374 = 1.0;
        double r7854375 = r7854374 - r7854373;
        double r7854376 = r7854373 / r7854375;
        return r7854376;
}

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 2019163 
(FPCore (x)
  :name "Numeric.Integration.TanhSinh:nonNegative from integration-0.2.1"
  (/ x (- 1.0 x)))