Scippy

SCIP

Solving Constraint Integer Programs

pub_cutpool.h
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2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright 2002-2022 Zuse Institute Berlin */
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8 /* Licensed under the Apache License, Version 2.0 (the "License"); */
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21 /* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22 /* */
23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24 
25 /**@file pub_cutpool.h
26  * @ingroup PUBLICCOREAPI
27  * @brief public methods for storing cuts in a cut pool
28  * @author Tobias Achterberg
29  */
30 
31 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32 
33 #ifndef __SCIP_PUB_CUTPOOL_H__
34 #define __SCIP_PUB_CUTPOOL_H__
35 
36 
37 #include "scip/def.h"
38 #include "scip/type_cutpool.h"
39 #include "scip/type_lp.h"
40 
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44 
45 /**@addtogroup PublicCutMethods
46  *
47  * @{
48  */
49 
50 /** gets the row of the cut */
51 SCIP_EXPORT
53  SCIP_CUT* cut /**< cut */
54  );
55 
56 /** gets the age of the cut: the number of consecutive cut pool separation rounds where the cut was neither in the LP nor violated */
57 SCIP_EXPORT
58 int SCIPcutGetAge(
59  SCIP_CUT* cut /**< cut */
60  );
61 
62 /** returns the ratio of LPs where the row belonging to this cut was active in an LP solution, i.e.
63  * where the age of its row has not been increased
64  *
65  * @see SCIPcutGetAge() to get the age of a cut
66  */
67 SCIP_EXPORT
69  SCIP_CUT* cut /**< cut */
70  );
71 
72 /** gets array of cuts in the cut pool */
73 SCIP_EXPORT
75  SCIP_CUTPOOL* cutpool /**< cut pool */
76  );
77 
78 /** get number of cuts in the cut pool */
79 SCIP_EXPORT
81  SCIP_CUTPOOL* cutpool /**< cut pool */
82  );
83 
84 /** get maximum number of cuts that were stored in the cut pool at the same time */
85 SCIP_EXPORT
87  SCIP_CUTPOOL* cutpool /**< cut pool */
88  );
89 
90 /** gets time in seconds used for separating cuts from the pool */
91 SCIP_EXPORT
93  SCIP_CUTPOOL* cutpool /**< cut pool */
94  );
95 
96 /** get number of times the cut pool was separated */
97 SCIP_EXPORT
99  SCIP_CUTPOOL* cutpool /**< cut pool */
100  );
101 
102 /** get number of times the cut pool was separated at the root */
103 SCIP_EXPORT
105  SCIP_CUTPOOL* cutpool /**< cut pool */
106  );
107 
108 /** get total number of cuts that were separated from the cut pool */
109 SCIP_EXPORT
111  SCIP_CUTPOOL* cutpool /**< cut pool */
112  );
113 
114 /** get total number of cuts that were added from the cut pool to sepastore */
115 SCIP_EXPORT
117  SCIP_CUTPOOL* cutpool /**< cut pool */
118  );
119 /** @} */
120 
121 #ifdef __cplusplus
122 }
123 #endif
124 
125 #endif
SCIP_Longint SCIPcutpoolGetNCutsFound(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1125
SCIP_Real SCIPcutGetLPActivityQuot(SCIP_CUT *cut)
Definition: cutpool.c:406
SCIP_Longint SCIPcutpoolGetNCalls(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1105
SCIP_Longint SCIPcutpoolGetNCutsAdded(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1135
type definitions for LP management
SCIP_Longint SCIPcutpoolGetNRootCalls(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1115
type definitions for storing cuts in a cut pool
SCIP_ROW * SCIPcutGetRow(SCIP_CUT *cut)
Definition: cutpool.c:382
SCIP_CUT ** SCIPcutpoolGetCuts(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1065
int SCIPcutpoolGetNCuts(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1075
#define SCIP_Real
Definition: def.h:186
#define SCIP_Longint
Definition: def.h:171
SCIP_Real SCIPcutpoolGetTime(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1095
int SCIPcutGetAge(SCIP_CUT *cut)
Definition: cutpool.c:392
SCIP_Longint SCIPcutpoolGetMaxNCuts(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1085
common defines and data types used in all packages of SCIP