Scippy

SCIP

Solving Constraint Integer Programs

presol_trivial.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) 2002-2014 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 email to 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 
31 #include "scip/scip.h"
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 /** creates the trivial presolver and includes it in SCIP */
38 extern
40  SCIP* scip /**< SCIP data structure */
41  );
42 
43 #ifdef __cplusplus
44 }
45 #endif
46 
47 #endif
48