Average Error: 30.8 → 30.8
Time: 1.8s
Precision: binary64
\[\cos \left(\log x - x\right)\]
↓
\[\cos \left(\log x - x\right)\]
\cos \left(\log x - x\right)
↓
\cos \left(\log x - x\right)
double code(double x) {
	return ((double) cos(((double) (((double) log(x)) - x))));
}
↓
double code(double x) {
	return ((double) cos(((double) (((double) log(x)) - x))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 30.8

    \[\cos \left(\log x - x\right)\]

  2. Final simplification30.8

    \[\leadsto \cos \left(\log x - x\right)\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(cos (- (log x) x))"
  :precision binary64
  (cos (- (log x) x)))