1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 2 /* */ 3 /* This file is part of the program and library */ 4 /* SCIP --- Solving Constraint Integer Programs */ 5 /* */ 6 /* Copyright (c) 2002-2023 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. */ 10 /* You may obtain a copy of the License at */ 11 /* */ 12 /* http://www.apache.org/licenses/LICENSE-2.0 */ 13 /* */ 14 /* Unless required by applicable law or agreed to in writing, software */ 15 /* distributed under the License is distributed on an "AS IS" BASIS, */ 16 /* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */ 17 /* See the License for the specific language governing permissions and */ 18 /* limitations under the License. */ 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_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 46 extern "C" { 47 #endif 48 49 /** creates the repair primal heuristic and includes it in SCIP 50 * 51 * @ingroup PrimalHeuristicIncludes 52 */ 53 SCIP_EXPORT 54 SCIP_RETCODE SCIPincludeHeurRepair( 55 SCIP* scip /**< SCIP data structure */ 56 ); 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif 63