rust-numpy 0.1.0

A row version of a convinient rust-numpy library which target is to dublicate functionality of well known python library 'numpy'.
Documentation 
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
47
48
49
50
51
52
53
54
55


use crate::matrix::Matrix;
use crate::vector::Vector;

#[test]
fn inverse_matrix() {


    fn round(a: f64) -> f64 {
        (a*100000.0).round()/100000.0
    }

    let m = Matrix::diagonal(Vector::from(vec![1.0,2.0,3.0]));
    let inv = m.inv();
    let inv_target = [
        [1.0, 0.0, 0.0],
        [0.0, 0.5, 0.0],
        [0.0, 0.0, 1.0/3.0],
    ];
    for i in 0..3 {
        for j in 0..3 {
            assert_eq!(round(inv[i][j]), round(inv_target[i][j]));
        }
    }



    let m = Matrix::from(vec![
        vec![4.0, 3.0, 7.0],
        vec![3.0, 1.0, 4.0],
        vec![1.0, -2.0, 3.0],
    ]);

    let inv = m.inv().inv();

    for i in 0..3 {
        for j in 0..3 {
            assert_eq!(round(m[i][j]), round(inv[i][j]));
        }
    }

    let inv = m.inv();
    let inv_target = [
        [-0.55,  1.15, -0.25],
        [ 0.25, -0.25, -0.25],
        [ 0.35, -0.55,  0.25],
    ];

    for i in 0..3 {
        for j in 0..3 {
            assert_eq!(round(inv[i][j]), round(inv_target[i][j]));
        }
    }

}