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 sepa_rlt.h 26 * @ingroup SEPARATORS 27 * @brief reformulation-linearization technique separator 28 * @author Fabian Wegscheider 29 * @author Ksenia Bestuzheva 30 * 31 * 32 * This separator generates a collection of cuts constructed by the reformulation-linearization technique (RLT). 33 * For an LP row L and a variable x in [lb,ub], L is multiplied either with (ub-x) or with (x-lb). All known terms that 34 * appear in the product are replaced by their respective auxiliary variable and all unknown terms are replaced by a 35 * suitable linear relaxation, e.g., McCormick. In general, the separator computes four different cuts for a row with 36 * finite sides and a variable with finite bounds. 37 */ 38 39 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ 40 41 #ifndef __SCIP_SEPA_RLT_H__ 42 #define __SCIP_SEPA_RLT_H__ 43 44 45 #include "scip/scip.h" 46 47 #ifdef __cplusplus 48 extern "C" { 49 #endif 50 51 /** creates the RLT separator and includes it in SCIP 52 * 53 * @ingroup SeparatorIncludes 54 */ 55 SCIP_EXPORT 56 SCIP_RETCODE SCIPincludeSepaRlt( 57 SCIP* scip /**< SCIP data structure */ 58 ); 59 60 /**@addtogroup SEPARATORS 61 * 62 * @{ 63 */ 64 65 /** @} */ 66 67 #ifdef __cplusplus 68 } 69 #endif 70 71 #endif 72