fn new(m: usize, n: usize) -> Self {
        Band {
            rows: m + 1,
            cols: n + 1,
            ranges: vec![m + 1..0; n + 1],
        }
    }
// Create new Band instance with given size
//
// # Arguments
//
// * `m` - the expected size of x
// * `n` - the expected size of y
//
Create new Band instance with given size
Create new Band instance with given size
fn new(m: usize, n: usize) -> Self {
        Band {
            rows: m + 1,
            cols: n + 1,
            ranges: vec![m + 1..0; n + 1],
        }
    }
fn new ( m : usize , n : usize ) -> Self { Band { rows : m + 1 , cols : n + 1 , ranges : vec ! [ m 1 0 n 1 ] , } }
Create new Band instance with given size
Create new Band instance with given size
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