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 dcmp.h 26 * @ingroup INTERNALAPI 27 * @brief internal methods for decompositions and the decomposition store 28 * @author Gregor Hendel 29 * 30 * @todo get a decomposition score, and compute other stuff that may be important 31 */ 32 33 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ 34 35 #ifndef SRC_SCIP_DECOMP_H_ 36 #define SRC_SCIP_DECOMP_H_ 37 38 #include "scip/type_dcmp.h" 39 #include "scip/type_var.h" 40 #include "scip/type_cons.h" 41 #include "blockmemshell/memory.h" 42 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 #define SCIP_DECOMPSTORE_CAPA 10 /**< hardcoded maximum capacity of decomposition store */ 49 50 /** creates a decomposition storage */ 51 SCIP_RETCODE SCIPdecompstoreCreate( 52 SCIP_DECOMPSTORE** decompstore, /**< pointer to store decomposition storage */ 53 BMS_BLKMEM* blkmem, /**< block memory data structure */ 54 int nslots /**< maximum number of decomposition slots in storage */ 55 ); 56 57 /** frees a decomposition storage */ 58 void SCIPdecompstoreFree( 59 SCIP_DECOMPSTORE** decompstore, /**< pointer to free decomposition storage */ 60 BMS_BLKMEM* blkmem /**< block memory data structure */ 61 ); 62 63 /** adds decomposition to storage */ 64 SCIP_RETCODE SCIPdecompstoreAdd( 65 SCIP_DECOMPSTORE* decompstore, /**< decomposition storage */ 66 SCIP_DECOMP* decomp /**< decomposition to add */ 67 ); 68 69 /** transforms all available original decompositions into transformed space */ 70 SCIP_RETCODE SCIPtransformDecompstore( 71 SCIP* scip /**< SCIP data structure */ 72 ); 73 74 /** frees all decompositions in transformed space */ 75 void SCIPexitSolveDecompstore( 76 SCIP* scip /**< SCIP data structure */ 77 ); 78 79 /** gets decompositions from storage */ 80 SCIP_DECOMP** SCIPdecompstoreGetDecomps( 81 SCIP_DECOMPSTORE* decompstore /**< decomposition storage */ 82 ); 83 84 /** gets number of decompositions in storage */ 85 int SCIPdecompstoreGetNDecomps( 86 SCIP_DECOMPSTORE* decompstore /**< decomposition storage */ 87 ); 88 89 /** gets decompositions in original space from storage */ 90 SCIP_DECOMP** SCIPdecompstoreGetOrigDecomps( 91 SCIP_DECOMPSTORE* decompstore /**< decomposition storage */ 92 ); 93 94 /** gets number of decompositions in original space in storage */ 95 int SCIPdecompstoreGetNOrigDecomps( 96 SCIP_DECOMPSTORE* decompstore /**< decomposition storage */ 97 ); 98 99 #ifdef __cplusplus 100 } 101 #endif 102 103 #endif 104