gfxmath_vec3/impls/dot/dot.rs
1use core::ops::{Add, Mul};
2use crate::ops::Dot;
3use crate::Vec3;
4
5/// ```
6/// use gfxmath_vec3::{Vec3, ops::Dot};
7///
8/// let a = Vec3::new(3.0, 4.0, 5.0);
9/// let b = Vec3::new(2.0, 1.0, 3.0);
10///
11/// let res = a.dot(b);
12///
13/// assert_eq!(25.0, res);
14/// ```
15#[opimps::impl_ops(Dot)]
16#[inline]
17fn dot<T>(self: Vec3<T>, rhs: Vec3<T>) -> T
18where T: Add<Output = T>
19 + Mul<Output = T>
20 + Copy
21{
22 let l = self.as_slice();
23 let r = rhs.as_slice();
24
25 l[0] * r[0]
26 + l[1] * r[1]
27 + l[2] * r[2]
28}