/* This class is simply used to return the matrix read from a 
 * Matrix Market file, until it is turned into a distributed CSR format.
 */
immutable public class MatMarket {
    public MatrixEntry [1d] entries;
    public int single n;
    public MatMarket(MatrixEntry [1d] e, int single sz) { 
	entries = e; n = sz; 
    }
    public MatMarket() { entries = null; n = 0; }
}