Scippy

    SCIP

    Solving Constraint Integer Programs

    heur_repair.h
    Go to the documentation of this file.
    1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    2/* */
    3/* This file is part of the program and library */
    4/* SCIP --- Solving Constraint Integer Programs */
    5/* */
    6/* Copyright (c) 2002-2025 Zuse Institute Berlin (ZIB) */
    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. */
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    12/* http://www.apache.org/licenses/LICENSE-2.0 */
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    14/* Unless required by applicable law or agreed to in writing, software */
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    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. */
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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:1311
    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