Numeric.Integration.TanhSinh:nonNegative from integration-0.2.1

Average Error: 0.0 → 0.0

Time: 4.1s

Precision: 64

• Falling back on racket egraph because egg-herbie package not installed

Math

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

↓

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

C

double f(double x) {
        double r129491 = x;
        double r129492 = 1.0;
        double r129493 = r129492 - r129491;
        double r129494 = r129491 / r129493;
        return r129494;
}

↓

double f(double x) {
        double r129495 = x;
        double r129496 = 1.0;
        double r129497 = r129496 - r129495;
        double r129498 = r129495 / r129497;
        return r129498;
}

Error

Bits error versus x

Derivation

1. Initial program 0.0

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

2. Final simplification 0.0

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

Reproduce

herbie shell --seed 2020047 
(FPCore (x)
  :name "Numeric.Integration.TanhSinh:nonNegative from integration-0.2.1"
  :precision binary64
  (/ x (- 1 x)))