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 struct_benderscut.h 26 * @ingroup INTERNALAPI 27 * @brief datastructures for Benders' decomposition cuts techniques 28 * @author Stephen J. Maher 29 */ 30 31 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ 32 33 #ifndef __SCIP_STRUCT_BENDERSCUT_H__ 34 #define __SCIP_STRUCT_BENDERSCUT_H__ 35 36 37 #include "scip/def.h" 38 #include "scip/type_clock.h" 39 #include "scip/type_benderscut.h" 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /** Benders' decomposition cuts data */ 46 struct SCIP_Benderscut 47 { 48 SCIP_Longint ncalls; /**< number of times, this Benders' decomposition cut was called */ 49 SCIP_Longint nfound; /**< number of cuts found so far by this Benders' decomposition cut */ 50 char* name; /**< name of the Benders' decomposition cut */ 51 char* desc; /**< description of the Benders' decomposition cut */ 52 SCIP_DECL_BENDERSCUTCOPY((*benderscutcopy));/**< copy method of the Benders' decomposition cut or NULL if you don't want to copy your plugin into sub-SCIPs */ 53 SCIP_DECL_BENDERSCUTFREE((*benderscutfree));/**< destructor of the Benders' decomposition cut */ 54 SCIP_DECL_BENDERSCUTINIT((*benderscutinit));/**< initialize the Benders' decomposition cut */ 55 SCIP_DECL_BENDERSCUTEXIT((*benderscutexit));/**< deinitialize the Benders' decomposition cut */ 56 SCIP_DECL_BENDERSCUTINITSOL((*benderscutinitsol));/**< solving process initialization method of the Benders' decomposition cut */ 57 SCIP_DECL_BENDERSCUTEXITSOL((*benderscutexitsol));/**< solving process deinitialization method of the Benders' decomposition cut */ 58 SCIP_DECL_BENDERSCUTEXEC((*benderscutexec));/**< execution method of the Benders' decomposition cut */ 59 SCIP_BENDERSCUTDATA* benderscutdata; /**< Benders' decomposition cuts local data */ 60 SCIP_CLOCK* setuptime; /**< time spend for setting up the Benders' decomposition cut plugin */ 61 SCIP_CLOCK* benderscutclock; /**< the execution time of the Benders' decomposition cut plugin */ 62 int priority; /**< priority of the Benders' decomposition cuts */ 63 SCIP_Bool islpcut; /**< does this Benders' cut use LP information? */ 64 SCIP_Bool initialized; /**< has the Benders' decomposition cut been initialized? */ 65 66 /* additional Benders' decomposition cuts parameters */ 67 SCIP_Bool enabled; /**< is this Benders' decomposition cut enabled? */ 68 }; 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif 75