Function vecmath::col_mat4_mul_col

pub fn col_mat4_mul_col<T>(a: Matrix4<T>, b: Matrix4<T>, i: usize) -> Vector4<T> where T: Copy + Add<T, Output=T> + Mul<T, Output=T>

Computes column vector in column matrix product.

The semantics of the order is the same as for row matrices.