Average Error: 0.2 → 0.2
Time: 1.5s
Precision: binary64
\[\cos x - \sin x\]
↓
\[\cos x - \sin x\]
\cos x - \sin x
↓
\cos x - \sin x
double code(double x) {
	return ((double) (((double) cos(x)) - ((double) sin(x))));
}
↓
double code(double x) {
	return ((double) (((double) cos(x)) - ((double) sin(x))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.2

    \[\cos x - \sin x\]

  2. Final simplification0.2

    \[\leadsto \cos x - \sin x\]

Reproduce

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