# SCIP

Solving Constraint Integer Programs

heur_intshifting.h
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1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
7 /* fuer Informationstechnik Berlin */
8 /* */
10 /* */
12 /* along with SCIP; see the file COPYING. If not visit scipopt.org. */
13 /* */
14 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15
16 /**@file heur_intshifting.h
17  * @ingroup PRIMALHEURISTICS
18  * @brief LP rounding heuristic that tries to recover from intermediate infeasibilities, shifts integer variables, and
19  * solves a final LP to calculate feasible values for continuous variables
20  * @author Tobias Achterberg
21  *
22  * This heuristic is similar to the Shifting heuristic (see @ref heur_shifting.h), but it ignores continuous variables
23  * during the shifting phase and solves a final LP to find feasible (and optimal w.r.t. the integer fixings) values for
24  * the continuous variables.
25  */
26
27 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
28
29 #ifndef __SCIP_HEUR_INTSHIFTING_H__
30 #define __SCIP_HEUR_INTSHIFTING_H__
31
32 #include "scip/def.h"
33 #include "scip/type_retcode.h"
34 #include "scip/type_scip.h"
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40 /** creates the intshifting heuristic and includes it in SCIP
41  *
42  * @ingroup PrimalHeuristicIncludes
43  */
44 SCIP_EXPORT
46  SCIP* scip /**< SCIP data structure */
47  );
48
49 #ifdef __cplusplus
50 }
51 #endif
52
53 #endif
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:54
type definitions for return codes for SCIP methods
SCIP_RETCODE SCIPincludeHeurIntshifting(SCIP *scip)
type definitions for SCIP&#39;s main datastructure
common defines and data types used in all packages of SCIP