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use crate::Vec3;
use core::ops::AddAssign;

///
/// ```
/// use gfxmath_vec3::Vec3;
/// let mut a = Vec3::new(1.0, 2.0, 3.0);
/// let b = Vec3::new(3.0, 4.0, 5.0);
/// 
/// a += b;
/// 
/// assert_eq!(4.0, a.x);
/// assert_eq!(6.0, a.y);
/// assert_eq!(8.0, a.z);
/// ```
impl <T> AddAssign for Vec3<T> where T: AddAssign<T> + Copy {
    #[inline]
    fn add_assign(&mut self, rhs: Vec3<T>) {
        let l = self.as_mut_slice();
        let r = rhs.as_slice();
        
        l[0] += r[0];
        l[1] += r[1];
        l[2] += r[2];
    }
}

///
/// ```
/// use gfxmath_vec3::Vec3;
/// let mut a = Vec3::new(1.0, 2.0, 3.0);
/// let b = Vec3::new(3.0, 4.0, 5.0);
/// 
/// a += &b;
/// 
/// assert_eq!(4.0, a.x);
/// assert_eq!(6.0, a.y);
/// assert_eq!(8.0, a.z);
/// ```
impl <T> AddAssign<&Self> for Vec3<T> where T: AddAssign<T> + Copy {
    #[inline]
    fn add_assign(&mut self, rhs: &Self) {
        let l = self.as_mut_slice();
        let r = rhs.as_slice();
        
        l[0] += r[0];
        l[1] += r[1];
        l[2] += r[2];
    }
}