Average Error: 29.7 → 29.7
Time: 2.1s
Precision: binary64
\[\cos \left({x}^{2}\right)\]
↓
\[\cos \left({x}^{2}\right)\]
\cos \left({x}^{2}\right)
↓
\cos \left({x}^{2}\right)
double code(double x) {
	return ((double) cos(((double) pow(x, 2.0))));
}
↓
double code(double x) {
	return ((double) cos(((double) pow(x, 2.0))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 29.7

    \[\cos \left({x}^{2}\right)\]

  2. Final simplification29.7

    \[\leadsto \cos \left({x}^{2}\right)\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(cos (pow x 2))"
  :precision binary64
  (cos (pow x 2.0)))