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_cuts.h 26 * @ingroup PUBLICCOREAPI 27 * @brief struct definitions for cuts 28 * @author Leona Gottwald 29 * 30 */ 31 32 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ 33 34 #ifndef __SCIP_STRUCT_CUTS_H__ 35 #define __SCIP_STRUCT_CUTS_H__ 36 37 #include "scip/def.h" 38 #include "scip/dbldblarith.h" 39 40 struct SCIP_AggrRow 41 { 42 SCIP_Real* vals; /**< non-zero coefficients of the cut row */ 43 int* inds; /**< problem indices of variables with a non-zero coefficient in the cut row */ 44 int* rowsinds; /**< lpposition of rows that have been added to the cutrow */ 45 int* slacksign; /**< slacksign of rows that have been added to the cutrow */ 46 SCIP_Real* rowweights; /**< weights of rows that have been added to the cutrow */ 47 QUAD_MEMBER(SCIP_Real rhs); /**< right hand side of the cut row */ 48 int nnz; /**< number of non-zeros in the cut row */ 49 int nrows; /**< number of rows that have been added to the cutrow */ 50 int rowssize; /**< size of the row and slacksign array */ 51 int rank; /**< rank of the cut row */ 52 SCIP_Bool local; /**< is the cut row only valid locally? */ 53 }; 54 55 #endif 56