Scippy

SCIP

Solving Constraint Integer Programs

heur_rins.h
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1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright 2002-2022 Zuse Institute Berlin */
7 /* */
8 /* Licensed under the Apache License, Version 2.0 (the "License"); */
9 /* you may not use this file except in compliance with the License. */
10 /* You may obtain a copy of the License at */
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14 /* Unless required by applicable law or agreed to in writing, software */
15 /* distributed under the License is distributed on an "AS IS" BASIS, */
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19 /* */
20 /* You should have received a copy of the Apache-2.0 license */
21 /* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22 /* */
23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24 
25 /**@file heur_rins.h
26  * @ingroup PRIMALHEURISTICS
27  * @brief LNS heuristic that combines the incumbent with the LP optimum
28  * @author Timo Berthold
29  *
30  * RINS is a large neighborhood search improvement heuristic, i.e., it requires a known feasible solution. It solves a
31  * sub-SCIP that is created by fixing variables which take the same value in the incumbent and the current node's LP
32  * relaxation.
33  */
34 
35 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
36 
37 #ifndef __SCIP_HEUR_RINS_H__
38 #define __SCIP_HEUR_RINS_H__
39 
40 #include "scip/def.h"
41 #include "scip/type_retcode.h"
42 #include "scip/type_scip.h"
43 
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
47 
48 /** creates RINS primal heuristic and includes it in SCIP
49  *
50  * @ingroup PrimalHeuristicIncludes
51  */
52 SCIP_EXPORT
54  SCIP* scip /**< SCIP data structure */
55  );
56 
57 #ifdef __cplusplus
58 }
59 #endif
60 
61 #endif
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
type definitions for return codes for SCIP methods
type definitions for SCIP&#39;s main datastructure
SCIP_RETCODE SCIPincludeHeurRins(SCIP *scip)
Definition: heur_rins.c:583
common defines and data types used in all packages of SCIP