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#![feature(const_generics, const_evaluatable_checked)]
#![feature(array_methods)]
#![feature(array_map)]

#![cfg_attr(not(feature = "std"), no_std)]

#![allow(dead_code)]

mod dimutils;
pub mod broadcast;


#[cfg(test)]
mod tests {
    use crate::dimutils::*;
    use crate::broadcast::*;


    fn linear_iter_test<const N : usize>(size:[usize;N]) {
        let index_coeffs = linearization_coeffs(size);
        let indices = ndim_iterator(size);
        for (i,index) in indices.enumerate() {
            let lin_index = linearize_index(index,index_coeffs);
            assert_eq!(i,lin_index);
            assert_eq!(delinearize_index(lin_index,size),index);
        }

    }

    #[test]
    fn linearization() {
        linear_iter_test([3,3]);
        linear_iter_test([3,4]);
        linear_iter_test([3,2,4,2]);
        assert_eq!(linearization_coeffs([4]), [1]);
        assert_eq!(linearization_coeffs([4,3]), [1,4]);
    }

    #[test]
    fn it_works() {
        let v = vec![1,2,3];
        let bv = (v).lazy_updim([3,4]).into_iter().collect::<Vec<i64>>();
        
    
        println!("Common size of v, bv is {:?}",commondims(v.size(),bv.size()) );
        println!("The elems of bv are {:?}",bv);
        for x in &bv {
            println!("{}",x);
        }

        assert_eq!(2 + 2, 4);
    }
}