Average Error: 39.0 → 39.0
Time: 2.3s
Precision: binary64
\[\frac{\log \left(1 - x\right)}{1 - x}\]
↓
\[\frac{\log \left(1 - x\right)}{1 - x}\]
\frac{\log \left(1 - x\right)}{1 - x}
↓
\frac{\log \left(1 - x\right)}{1 - x}
double code(double x) {
	return ((double) (((double) log(((double) (1.0 - x)))) / ((double) (1.0 - x))));
}
↓
double code(double x) {
	return ((double) (((double) log(((double) (1.0 - x)))) / ((double) (1.0 - x))));
}

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 39.0

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

  2. Final simplification39.0

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

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(/ (log (- 1 x)) (- 1 x))"
  :precision binary64
  (/ (log (- 1.0 x)) (- 1.0 x)))