# SCIP

Solving Constraint Integer Programs

presol_trivial.h
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1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright (C) 2002-2019 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 presol_trivial.h
17  * @ingroup PRESOLVERS
18  * @brief trivial presolver: round fractional bounds on integer variables, fix variables with equal bounds
19  * @author Tobias Achterberg
20  *
21  * This presolver fixes variables with equal bounds to this value. Furthermore, all integral variables, for which the
22  * bounds are fractional, will get rounded new bounds.
23  */
24
25 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
26
27 #ifndef __SCIP_PRESOL_TRIVIAL_H__
28 #define __SCIP_PRESOL_TRIVIAL_H__
29
30 #include "scip/def.h"
31 #include "scip/type_retcode.h"
32 #include "scip/type_scip.h"
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 /** creates the trivial presolver and includes it in SCIP
39  *
40  * @ingroup PresolverIncludes
41  */
42 extern
44  SCIP* scip /**< SCIP data structure */
45  );
46
47 #ifdef __cplusplus
48 }
49 #endif
50
51 #endif
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:53
type definitions for return codes for SCIP methods
type definitions for SCIP&#39;s main datastructure
SCIP_RETCODE SCIPincludePresolTrivial(SCIP *scip)
common defines and data types used in all packages of SCIP