Average Error: 7.5 → 7.5
Time: 1.1s
Precision: binary64
\[\log \left(\frac{x}{1 - y}\right)\]
↓
\[\log \left(\frac{x}{1 - y}\right)\]
\log \left(\frac{x}{1 - y}\right)
↓
\log \left(\frac{x}{1 - y}\right)
double code(double x, double y) {
	return ((double) log(((double) (x / ((double) (1.0 - y))))));
}
↓
double code(double x, double y) {
	return ((double) log(((double) (x / ((double) (1.0 - y))))));
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 7.5

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

  2. Final simplification7.5

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

Reproduce

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