Average Error: 39.3 → 39.3
Time: 2.1s
Precision: binary64
\[\log \left(\frac{1}{1 - x}\right)\]
↓
\[\log \left(\frac{1}{1 - x}\right)\]
\log \left(\frac{1}{1 - x}\right)
↓
\log \left(\frac{1}{1 - x}\right)
double code(double x) {
	return ((double) log(((double) (1.0 / ((double) (1.0 - x))))));
}
↓
double code(double x) {
	return ((double) log(((double) (1.0 / ((double) (1.0 - x))))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 39.3

    \[\log \left(\frac{1}{1 - x}\right)\]

  2. Final simplification39.3

    \[\leadsto \log \left(\frac{1}{1 - x}\right)\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(log (/ 1 (- 1 x)))"
  :precision binary64
  (log (/ 1.0 (- 1.0 x))))