Function _set_iter_range

src/graph/rg_matrix/rg_matrix_iter.c:14–48

#define IS_DETACHED(iter) ((iter) == NULL || (iter)->A == NULL)

static inline void _set_iter_range
(
	GxB_Iterator it,
	GrB_Index min_row,
	GrB_Index max_row,
	bool *depleted
) {
	GrB_Info info = GxB_rowIterator_seekRow (it, min_row) ;

	switch (info)
	{
		case GxB_EXHAUSTED:
			// no values to iterate on
			*depleted = true ;
			break ;
		case GrB_NO_VALUE:
			// in sparse matrix no value in the current row
			// seek to first none empty row
			while (info == GrB_NO_VALUE && GxB_rowIterator_getRowIndex(it) < max_row) {
				info = GxB_rowIterator_nextRow (it) ;
			}

			*depleted = (info != GrB_SUCCESS ||
						GxB_rowIterator_getRowIndex(it) > max_row) ;
			break ;
		case GrB_SUCCESS:
			// in hypersparse matrix iterator move to the next row with values
			// make sure seekRow didn't over-reached
			*depleted = GxB_rowIterator_getRowIndex (it) > max_row;
			break ;		
		default:
			ASSERT(false);
			break;
	}
}

static inline void _init_iter
(