Function quat::dot

pub fn dot<T>(a: &[T; 4], b: &[T; 4]) -> T where
    T: Add<T, Output = T>,
    &'a T: Mul<&'b T>,
    <&'a T as Mul<&'b T>>::Output == T, 

Example

assert_eq!(vec4::dot::<f32>(&vec4::new_one(), &vec4::new_one()), 4_f32);