rustml::mat!

macro_rules! mat {
    ( $( $( $x:expr ),+ ) ;* ) => {
        {
        let mut v = Vec::new();
        let mut cols;
        let mut cols_old = 0;
        let mut rows = 0;
        $(
            rows += 1;
            cols = 0;
            $(
                cols += 1;
                v.push($x);
            )+
            if rows > 1 && cols != cols_old {
                panic!("Invalid matrix.");
            }
            cols_old = cols;
        )*
        Matrix::from_vec(v, rows, cols_old)
        }
    };
}

Macro to create a matrix.

Example

#[macro_use] extern crate rustml;
use rustml::matrix::Matrix;

// creates a matrix with 2 rows and 3 columns
let m = mat![
    1.0, 2.0, 3.0; 
    4.0, 5.0, 6.0
];
assert_eq!(m.rows(), 2);
assert_eq!(m.cols(), 3);