Average Error: 0 → 0
Time: 2.4s
Precision: binary64
\[\cos^{-1} \left(n \cdot \cos x\right)\]
↓
\[\cos^{-1} \left(n \cdot \cos x\right)\]
\cos^{-1} \left(n \cdot \cos x\right)
↓
\cos^{-1} \left(n \cdot \cos x\right)
double code(double n, double x) {
	return ((double) acos(((double) (n * ((double) cos(x))))));
}
↓
double code(double n, double x) {
	return ((double) acos(((double) (n * ((double) cos(x))))));
}

Error

Bits error versus n

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\cos^{-1} \left(n \cdot \cos x\right)\]

  2. Final simplification0

    \[\leadsto \cos^{-1} \left(n \cdot \cos x\right)\]

Reproduce

herbie shell --seed 2020152 
(FPCore (n x)
  :name "(acos (* n (cos x)))"
  :precision binary64
  (acos (* n (cos x))))