Average Error: 0.0 → 0.0
Time: 916.0ms
Precision: binary64
\[\cos^{-1} \left(x \cdot y\right)\]
↓
\[\cos^{-1} \left(x \cdot y\right)\]
\cos^{-1} \left(x \cdot y\right)
↓
\cos^{-1} \left(x \cdot y\right)
double code(double x, double y) {
	return ((double) acos(((double) (x * y))));
}
↓
double code(double x, double y) {
	return ((double) acos(((double) (x * y))));
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

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

  2. Final simplification0.0

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

Reproduce

herbie shell --seed 2020153 
(FPCore (x y)
  :name "(acos (* x y))"
  :precision binary64
  (acos (* x y)))