Scippy

SCIP

Solving Constraint Integer Programs

heur_repair.h
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1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2/* */
3/* This file is part of the program and library */
4/* SCIP --- Solving Constraint Integer Programs */
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6/* Copyright (c) 2002-2024 Zuse Institute Berlin (ZIB) */
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8/* Licensed under the Apache License, Version 2.0 (the "License"); */
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23/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24
25/**@file heur_repair.h
26 * @ingroup PRIMALHEURISTICS
27 * @brief repair primal heuristic
28 * @author Gregor Hendel
29 * @author Thomas Nagel
30 *
31 * repair is a large neighborhood search heuristic, which starts with an infeasible solution and tries to repair it.
32 This can happen by variable fixing as long as the sum of all potential possible shiftings
33 is higher than alpha*slack or slack variables with a strong penalty on the objective function.
34 */
35
36/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
37
38#ifndef __SCIP_HEUR_REPAIR_H__
39#define __SCIP_HEUR_REPAIR_H__
40
41#include "scip/def.h"
42#include "scip/type_retcode.h"
43#include "scip/type_scip.h"
44
45#ifdef __cplusplus
46extern "C" {
47#endif
48
49/** creates the repair primal heuristic and includes it in SCIP
50 *
51 * @ingroup PrimalHeuristicIncludes
52 */
53SCIP_EXPORT
55 SCIP* scip /**< SCIP data structure */
56 );
57
58#ifdef __cplusplus
59}
60#endif
61
62#endif
common defines and data types used in all packages of SCIP
SCIP_RETCODE SCIPincludeHeurRepair(SCIP *scip)
Definition: heur_repair.c:1287
type definitions for return codes for SCIP methods
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
type definitions for SCIP's main datastructure