X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fadt%2Fbipartite.c;h=cc627286012b04a7fe1097bebb7e7712ecb603ca;hb=dbce362ff915753bf77eb5a923e35d3f81fd190d;hp=9a1bb816887e09429801d90c4a8eb6b4147ff637;hpb=8f01466dbeba2981299bbd983b901dccc44c1a31;p=libfirm diff --git a/ir/adt/bipartite.c b/ir/adt/bipartite.c index 9a1bb8168..cc6272860 100644 --- a/ir/adt/bipartite.c +++ b/ir/adt/bipartite.c @@ -1,3 +1,31 @@ +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + +/** + * @file + * @brief Specialized implementation for perfect bipartite matching. + * @author Sebastian Hack + * @cvs-id $Id$ + */ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif #include #include @@ -110,7 +138,7 @@ static int apply_alternating_path(const bipartite_t *gr, int *matching, if(bitset_popcnt(tmp) == 0) continue; - right = bitset_min(tmp); + right = bitset_next_set(tmp, 0); assert(!bitset_is_set(matched_right, right)); matching[left] = right; bitset_set(matched_left, left); @@ -136,6 +164,7 @@ void bipartite_dump_f(FILE *f, const bipartite_t *gr) int i; for(i = 0; i < gr->n_left; ++i) { + fprintf(f, "%d: ", i); bitset_fprint(f, gr->adj[i]); fprintf(f, "\n"); }