Function sub

tests/test_sparse_vec.rs:42–49

()

#[test]
fn sub() {
    let (a, b) = create();
    let c = a - b;
    let expect = vec![0.0, 0.0, 0.0, -0.1, -0.9, 0.0, 0.0, 0.0, 0.0, 0.75];
    for (i, &v) in expect.iter().enumerate() {
        assert_relative_eq!(v, c.get(i),);
    }
}

#[test]
fn to_string() {