Function quat::rotate

pub fn rotate<'a, T>(
    out: &'a mut [T; 4], 
    a: &[T; 4], 
    v: &[T; 3]
) -> &'a mut [T; 4] where
    T: Real + FromPrimitive, 

Example

use std::f32::consts::FRAC_2_PI;
let mut q = quat::new_identity::<f32>();
quat::rotate(&mut q, &quat::new_identity::<f32>(), &[FRAC_2_PI, FRAC_2_PI, FRAC_2_PI]);
assert_eq!(q, [0.18928385_f32, 0.3753336_f32, 0.3753336_f32, 0.82608783_f32]);