public void setTo(Matrix original)
        {
            DMatrixSparseTriplet orig = (DMatrixSparseTriplet)original; reshape(orig.numRows, orig.numCols);

            this.nz_rowcol.To = orig.nz_rowcol;
            this.nz_value.To  = orig.nz_value;
            this.nz_length    = orig.nz_length;
        }
 public DMatrixSparseTriplet(DMatrixSparseTriplet orig)
 {
     To = orig;
 }