Scippy

SCIP

Solving Constraint Integer Programs

sepa_rlt.h
Go to the documentation of this file.
1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright (C) 2002-2022 Konrad-Zuse-Zentrum */
7 /* fuer Informationstechnik Berlin */
8 /* */
9 /* SCIP is distributed under the terms of the ZIB Academic License. */
10 /* */
11 /* You should have received a copy of the ZIB Academic License */
12 /* along with SCIP; see the file COPYING. If not visit scip.zib.de. */
13 /* */
14 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15 
16 /**@file sepa_rlt.h
17  * @ingroup SEPARATORS
18  * @brief reformulation-linearization technique separator
19  * @author Fabian Wegscheider
20  * @author Ksenia Bestuzheva
21  *
22  *
23  * This separator generates a collection of cuts constructed by the reformulation-linearization technique (RLT).
24  * 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
25  * appear in the product are replaced by their respective auxiliary variable and all unknown terms are replaced by a
26  * suitable linear relaxation, e.g., McCormick. In general, the separator computes four different cuts for a row with
27  * finite sides and a variable with finite bounds.
28  */
29 
30 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
31 
32 #ifndef __SCIP_SEPA_RLT_H__
33 #define __SCIP_SEPA_RLT_H__
34 
35 
36 #include "scip/scip.h"
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 /** creates the RLT separator and includes it in SCIP
43  *
44  * @ingroup SeparatorIncludes
45  */
46 SCIP_EXPORT
48  SCIP* scip /**< SCIP data structure */
49 );
50 
51 /**@addtogroup SEPARATORS
52  *
53  * @{
54  */
55 
56 /** @} */
57 
58 #ifdef __cplusplus
59 }
60 #endif
61 
62 #endif
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:54
SCIP_RETCODE SCIPincludeSepaRlt(SCIP *scip)
Definition: sepa_rlt.c:3283
SCIP callable library.