Function fastapprox::fast::cosfull

pub fn cosfull(x: f32) -> f32

Cosine in radians.

The range reduction technique used here will be hopelessly inaccurate for |x| >> 1000.

Examples

assert_eq!(f32::cos(10.0), -0.8390715);
assert_eq!(fastapprox::fast::cosfull(10.0), -0.83907986);