Average Error: 0.0 → 0.0
Time: 1.9s
Precision: binary64
\[\log x - \log \left(1 - x\right)\]
↓
\[\log x - \log \left(1 - x\right)\]
\log x - \log \left(1 - x\right)
↓
\log x - \log \left(1 - x\right)
double code(double x) {
	return ((double) (((double) log(x)) - ((double) log(((double) (1.0 - x))))));
}
↓
double code(double x) {
	return ((double) (((double) log(x)) - ((double) log(((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 0.0

    \[\log x - \log \left(1 - x\right)\]

  2. Final simplification0.0

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

Reproduce

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