Average Error: 30.0 → 30.0
Time: 1.5s
Precision: binary64
\[\cos x - \cos \left(x + 1\right)\]
↓
\[\cos x - \cos \left(x + 1\right)\]
\cos x - \cos \left(x + 1\right)
↓
\cos x - \cos \left(x + 1\right)
double code(double x) {
	return ((double) (((double) cos(x)) - ((double) cos(((double) (x + 1.0))))));
}
↓
double code(double x) {
	return ((double) (((double) cos(x)) - ((double) cos(((double) (x + 1.0))))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 30.0

    \[\cos x - \cos \left(x + 1\right)\]

  2. Final simplification30.0

    \[\leadsto \cos x - \cos \left(x + 1\right)\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(- (cos x) (cos (+ x 1)))"
  :precision binary64
  (- (cos x) (cos (+ x 1.0))))