Average Error: 0.2 → 0.0
Time: 1.9s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x) {
	return log(x) - log(log(x));
}

↓
double code(double x) {
	return log(x * (1.0 / log(x)));
}

Error
Bits error versus x
Try it out
Your Program's Arguments
Results
Enter valid numbers for all inputs
Derivation
  1. Initial program 0.2
    \[\]
  2. Using strategy rm
  3. Applied diff-log0.0
    \[\leadsto \]
  4. Using strategy rm
  5. Applied div-inv0.0
    \[\leadsto \]
  6. Final simplification0.0
    \[\leadsto \]
Reproduce
herbie shell --seed 2020338 
(FPCore (x)
  :name "Jmat.Real.lambertw, estimator"
  :precision binary64
  (- (log x) (log (log x))))