1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
use std::ops::Mul;
use crate::{matrix_init, Matrix, Vector};
pub trait Outer<Rhs: Vector>: Vector
where Self::Output: Matrix
{
type Output;
fn outer(self, rhs: Rhs) -> Self::Output;
}
impl<F, const L: usize, const H: usize> Outer<[F; L]> for [F; H]
where
Self: Vector,
[F; L]: Vector,
[[<F as Mul<F>>::Output; L]; H]: Matrix,
F: Mul<F> + Copy
{
type Output = [[<F as Mul<F>>::Output; L]; H];
fn outer(self, rhs: [F; L]) -> Self::Output
{
matrix_init(|r, c| self[r]*rhs[c])
}
}