Average Error: 28.0 → 28.0
Time: 1.1s
Precision: binary64
\[\cos \left(\frac{1}{x}\right)\]
↓
\[\cos \left(\frac{1}{x}\right)\]
\cos \left(\frac{1}{x}\right)
↓
\cos \left(\frac{1}{x}\right)
double code(double x) {
	return ((double) cos(((double) (1.0 / x))));
}
↓
double code(double x) {
	return ((double) cos(((double) (1.0 / x))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 28.0

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

  2. Final simplification28.0

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

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(cos (/ 1 x))"
  :precision binary64
  (cos (/ 1.0 x)))