2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * @author Sebastian Hack
24 * @brief Implements bipartite matchings.
26 #ifndef FIRM_ADT_BIPARTITE_H
27 #define FIRM_ADT_BIPARTITE_H
33 * @defgroup bipartite Bipartite Matching
34 * Solved bipartite matching problem.
35 * (Variant with only 0/1 costs)
39 /** internal representation of bipartite matching problem */
40 typedef struct bipartite_t bipartite_t;
42 /** Create new bipartite matching problem with @p n_left elements on left side
43 * and @p n_right elements on right side */
44 FIRM_API bipartite_t *bipartite_new(int n_left, int n_right);
45 /** Free memory occupied by bipartite matching problem */
46 FIRM_API void bipartite_free(bipartite_t *gr);
47 /** Add edge from @p i (on the left side) to @p j (on the right side) */
48 FIRM_API void bipartite_add(bipartite_t *gr, int i, int j);
49 /** Remove edge from @p i (on the left side) to @p j (on the right side) */
50 FIRM_API void bipartite_remv(bipartite_t *gr, int i, int j);
51 /** Return 1 if edge from @p i (on the left side) to @p j (on the right side)
52 * exists, 0 otherwise */
53 FIRM_API int bipartite_adj(const bipartite_t *gr, int i, int j);
54 /** Solve bipartite matching problem */
55 FIRM_API void bipartite_matching(const bipartite_t *gr, int *matching);
58 * Dumps a bipartite graph to a file stream.
60 FIRM_API void bipartite_dump_f(FILE *f, const bipartite_t *gr);
63 * Dumps a bipartite graph to file name.
65 FIRM_API void bipartite_dump(const char *name, const bipartite_t *gr);
71 #endif /* _BIPARTITE_H */