Function rref 

pub fn rref(a: &mut Matrix)

Row reduces the target matrix a.

Examples

use matrix_mc::{matrix, rref};
 
let mut matrix = matrix![
    1, 2, 3;
    4, 5, 6;
    7, 8, 9
];
 
let result = matrix![
    1,  0, -1;
    0,  1,  2;
    0,  0,  0
];
 
rref(&mut matrix);
 
assert_eq!(matrix, result);