Scippy

GCG

Branch-and-Price & Column Generation for Everyone

pub_gcgheur.h
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1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program */
4 /* GCG --- Generic Column Generation */
5 /* a Dantzig-Wolfe decomposition based extension */
6 /* of the branch-cut-and-price framework */
7 /* SCIP --- Solving Constraint Integer Programs */
8 /* */
9 /* Copyright (C) 2010-2021 Operations Research, RWTH Aachen University */
10 /* Zuse Institute Berlin (ZIB) */
11 /* */
12 /* This program is free software; you can redistribute it and/or */
13 /* modify it under the terms of the GNU Lesser General Public License */
14 /* as published by the Free Software Foundation; either version 3 */
15 /* of the License, or (at your option) any later version. */
16 /* */
17 /* This program is distributed in the hope that it will be useful, */
18 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
19 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
20 /* GNU Lesser General Public License for more details. */
21 /* */
22 /* You should have received a copy of the GNU Lesser General Public License */
23 /* along with this program; if not, write to the Free Software */
24 /* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.*/
25 /* */
26 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
27 
28 /**@file pub_gcgheur.h
29  * @ingroup PUBLICCOREAPI
30  * @brief public methods for GCG heuristics
31  * @author Christian Puchert
32  */
33 
34 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
35 
36 #ifndef GCG_PUB_GCGHEUR_H__
37 #define GCG_PUB_GCGHEUR_H__
38 
39 
40 #include "scip/scip.h"
41 
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45 
46 /**
47  * @ingroup HEURISTICS
48  * @{
49  */
50 
51 /** sets heuristic parameters values to
52  *
53  * - SCIP_PARAMSETTING_DEFAULT which are the default values of all heuristic parameters
54  * - SCIP_PARAMSETTING_FAST such that the time spent for heuristic is decreased
55  * - SCIP_PARAMSETTING_AGGRESSIVE such that the heuristic are called more aggressively
56  * - SCIP_PARAMSETTING_OFF which turns off all heuristics
57  */
58 SCIP_RETCODE GCGsetHeuristics(
59  SCIP* scip, /**< SCIP data structure */
60  SCIP_PARAMSETTING paramsetting /**< parameter settings */
61  );
62 
63 #ifdef __cplusplus
64 }
65 
66 #endif
67 /** @} */
68 #endif
SCIP_RETCODE GCGsetHeuristics(SCIP *scip, SCIP_PARAMSETTING paramsetting)
Definition: gcgheur.c:152