Average Error: 0.0 → 0.0
Time: 505.0ms
Precision: binary64
\[\cos x - x\]
↓
\[\cos x - x\]
\cos x - x
↓
\cos x - x
double code(double x) {
	return ((double) (((double) cos(x)) - x));
}
↓
double code(double x) {
	return ((double) (((double) cos(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 0.0

    \[\cos x - x\]

  2. Final simplification0.0

    \[\leadsto \cos x - x\]

Reproduce

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