Average Error: 0.6 → 0.6
Time: 2.7s
Precision: binary64
\[\log a - \log \left(b - c\right)\]
↓
\[\log a - \log \left(b - c\right)\]
\log a - \log \left(b - c\right)
↓
\log a - \log \left(b - c\right)
double code(double a, double b, double c) {
	return ((double) (((double) log(a)) - ((double) log(((double) (b - c))))));
}
↓
double code(double a, double b, double c) {
	return ((double) (((double) log(a)) - ((double) log(((double) (b - c))))));
}

Error

Bits error versus a

Bits error versus b

Bits error versus c

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.6

    \[\log a - \log \left(b - c\right)\]

  2. Final simplification0.6

    \[\leadsto \log a - \log \left(b - c\right)\]

Reproduce

herbie shell --seed 2020152 
(FPCore (a b c)
  :name "(- (log a) (log (- b c)))"
  :precision binary64
  (- (log a) (log (- b c))))