Average Error: 0.6 → 0.6
Time: 2.1s
Precision: binary64
\[\frac{b - a}{\log b - \log a}\]
↓
\[\frac{b - a}{\log b - \log a}\]
\frac{b - a}{\log b - \log a}
↓
\frac{b - a}{\log b - \log a}
double code(double b, double a) {
	return ((double) (((double) (b - a)) / ((double) (((double) log(b)) - ((double) log(a))))));
}
↓
double code(double b, double a) {
	return ((double) (((double) (b - a)) / ((double) (((double) log(b)) - ((double) log(a))))));
}

Error

Bits error versus b

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.6

    \[\frac{b - a}{\log b - \log a}\]

  2. Final simplification0.6

    \[\leadsto \frac{b - a}{\log b - \log a}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (b a)
  :name "(/ (- b a) (- (log b) (log a)))"
  :precision binary64
  (/ (- b a) (- (log b) (log a))))