Scippy

SCIP

Solving Constraint Integer Programs

cutsel.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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22 /* */
23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24 
25 /**@file cutsel.h
26  * @ingroup INTERNALAPI
27  * @brief internal methods for cut selectors
28  * @author Felipe Serrano
29  * @author Mark Turner
30  */
31 
32 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
33 
34 #ifndef __SCIP_CUTSEL_H__
35 #define __SCIP_CUTSEL_H__
36 
37 
38 #include "scip/def.h"
39 #include "blockmemshell/memory.h"
40 #include "scip/type_retcode.h"
41 #include "scip/type_set.h"
42 #include "scip/pub_cutsel.h"
43 #include "scip/lp.h"
44 
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48 
49 /** creates a cut selector */
51  SCIP_CUTSEL** cutsel, /**< pointer to store cut selector */
52  SCIP_SET* set, /**< global SCIP settings */
53  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
54  BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
55  const char* name, /**< name of cut selector */
56  const char* desc, /**< description of cut selector */
57  int priority, /**< priority of the cut selector in standard mode */
58  SCIP_DECL_CUTSELCOPY ((*cutselcopy)), /**< copy method of cut selector or NULL if you don't want to copy your plugin into sub-SCIPs */
59  SCIP_DECL_CUTSELFREE ((*cutselfree)), /**< destructor of cut selector */
60  SCIP_DECL_CUTSELINIT ((*cutselinit)), /**< initialize cut selector */
61  SCIP_DECL_CUTSELEXIT ((*cutselexit)), /**< deinitialize cut selector */
62  SCIP_DECL_CUTSELINITSOL((*cutselinitsol)),/**< solving process initialization method of cut selector */
63  SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)),/**< solving process deinitialization method of cut selector */
64  SCIP_DECL_CUTSELSELECT((*cutselselect)), /**< cut selection method */
65  SCIP_CUTSELDATA* cutseldata /**< cut selector data */
66  );
67 
68 /** enables or disables all clocks of @p cutsel, depending on the value of the flag */
70  SCIP_CUTSEL* cutsel, /**< the cut selector for which all clocks should be enabled or disabled */
71  SCIP_Bool enable /**< should the clocks of the cut selector be enabled? */
72  );
73 
74 /** calls cut selectors to select cuts */
76  SCIP_SET* set, /**< global SCIP settings */
77  SCIP_ROW** cuts, /**< array with cuts to select from */
78  int ncuts, /**< length of cuts */
79  int nforcedcuts, /**< number of forced cuts at start of given array */
80  SCIP_Bool root, /**< are we at the root node? */
81  SCIP_Bool initiallp, /**< is the separation storage currently being filled with the initial LP rows? */
82  int maxnselectedcuts, /**< maximum number of cuts to be selected */
83  int* nselectedcuts /**< pointer to return number of selected cuts */
84  );
85 
86 /** copies the given cut selector to a new scip */
88  SCIP_CUTSEL* cutsel, /**< cut selector */
89  SCIP_SET* set /**< SCIP_SET of SCIP to copy to */
90  );
91 
92 /** sets copy method of cut selector */
94  SCIP_CUTSEL* cutsel, /**< cut selector */
95  SCIP_DECL_CUTSELCOPY ((*cutselcopy)) /**< copy method of cut selector or NULL if you don't want to copy your plugin into sub-SCIPs */
96  );
97 
98 /** initializes cut selector */
100  SCIP_CUTSEL* cutsel, /**< cut selector */
101  SCIP_SET* set /**< global SCIP settings */
102  );
103 
104 /** deinitializes cut selector */
106  SCIP_CUTSEL* cutsel, /**< cut selector */
107  SCIP_SET* set /**< global SCIP settings */
108  );
109 
110 /** frees memory of cut selector */
112  SCIP_CUTSEL** cutsel, /**< pointer to cut selector data structure */
113  SCIP_SET* set /**< global SCIP settings */
114  );
115 
116 /** informs cut selector that the branch and bound process is being started */
118  SCIP_CUTSEL* cutsel, /**< cut selector */
119  SCIP_SET* set /**< global SCIP settings */
120  );
121 
122 /** informs cut selector that the branch and bound process is being started */
124  SCIP_CUTSEL* cutsel, /**< cut selector */
125  SCIP_SET* set /**< global SCIP settings */
126  );
127 
128 /** sets destructor method of cut selector */
129 void SCIPcutselSetFree(
130  SCIP_CUTSEL* cutsel, /**< cut selector */
131  SCIP_DECL_CUTSELFREE ((*cutselfree)) /**< destructor of cut selector */
132  );
133 
134 /** sets initialization method of cut selector */
135 void SCIPcutselSetInit(
136  SCIP_CUTSEL* cutsel, /**< cut selector */
137  SCIP_DECL_CUTSELINIT ((*cutselinit)) /**< initialize cut selector */
138  );
139 
140 /** sets deinitialization method of cut selector */
141 void SCIPcutselSetExit(
142  SCIP_CUTSEL* cutsel, /**< cut selector */
143  SCIP_DECL_CUTSELEXIT ((*cutselexit)) /**< deinitialize cut selector */
144  );
145 
146 /** sets solving process initialization method of cut selector */
148  SCIP_CUTSEL* cutsel, /**< cut selector */
149  SCIP_DECL_CUTSELINITSOL ((*cutselinitsol))/**< solving process initialization method of cut selector */
150  );
151 
152 /** sets solving process deinitialization method of cut selector */
154  SCIP_CUTSEL* cutsel, /**< cut selector */
155  SCIP_DECL_CUTSELEXITSOL ((*cutselexitsol))/**< solving process deinitialization method of cut selector */
156  );
157 
158 /** sets priority of cut selector */
160  SCIP_CUTSEL* cutsel, /**< cut selector */
161  SCIP_SET* set, /**< global SCIP settings */
162  int priority /**< new priority of the cut selector */
163  );
164 
165 #ifdef __cplusplus
166 }
167 #endif
168 
169 #endif
SCIP_RETCODE SCIPcutselInitsol(SCIP_CUTSEL *cutsel, SCIP_SET *set)
Definition: cutsel.c:370
SCIP_RETCODE SCIPcutselFree(SCIP_CUTSEL **cutsel, SCIP_SET *set)
Definition: cutsel.c:272
SCIP_RETCODE SCIPcutselExitsol(SCIP_CUTSEL *cutsel, SCIP_SET *set)
Definition: cutsel.c:394
#define SCIP_DECL_CUTSELINITSOL(x)
Definition: type_cutsel.h:97
struct SCIP_CutselData SCIP_CUTSELDATA
Definition: type_cutsel.h:53
void SCIPcutselSetPriority(SCIP_CUTSEL *cutsel, SCIP_SET *set, int priority)
Definition: cutsel.c:530
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
SCIP_RETCODE SCIPcutselCreate(SCIP_CUTSEL **cutsel, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, SCIP_DECL_CUTSELCOPY((*cutselcopy)), SCIP_DECL_CUTSELFREE((*cutselfree)), SCIP_DECL_CUTSELINIT((*cutselinit)), SCIP_DECL_CUTSELEXIT((*cutselexit)), SCIP_DECL_CUTSELINITSOL((*cutselinitsol)), SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)), SCIP_DECL_CUTSELSELECT((*cutselselect)), SCIP_CUTSELDATA *cutseldata)
Definition: cutsel.c:128
type definitions for global SCIP settings
#define SCIP_DECL_CUTSELEXIT(x)
Definition: type_cutsel.h:86
type definitions for return codes for SCIP methods
internal methods for LP management
SCIP_RETCODE SCIPcutselCopyInclude(SCIP_CUTSEL *cutsel, SCIP_SET *set)
Definition: cutsel.c:254
#define SCIP_DECL_CUTSELSELECT(x)
Definition: type_cutsel.h:132
void SCIPcutselEnableOrDisableClocks(SCIP_CUTSEL *cutsel, SCIP_Bool enable)
Definition: cutsel.c:449
void SCIPcutselSetCopy(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELCOPY((*cutselcopy)))
Definition: cutsel.c:464
void SCIPcutselSetExitsol(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)))
Definition: cutsel.c:519
SCIP_RETCODE SCIPcutselsSelect(SCIP_SET *set, SCIP_ROW **cuts, int ncuts, int nforcedcuts, SCIP_Bool root, SCIP_Bool initiallp, int maxnselectedcuts, int *nselectedcuts)
Definition: cutsel.c:169
#define SCIP_DECL_CUTSELINIT(x)
Definition: type_cutsel.h:78
SCIP_RETCODE SCIPcutselInit(SCIP_CUTSEL *cutsel, SCIP_SET *set)
Definition: cutsel.c:303
#define SCIP_DECL_CUTSELCOPY(x)
Definition: type_cutsel.h:62
#define SCIP_Bool
Definition: def.h:93
SCIP_RETCODE SCIPcutselExit(SCIP_CUTSEL *cutsel, SCIP_SET *set)
Definition: cutsel.c:340
void SCIPcutselSetExit(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELEXIT((*cutselexit)))
Definition: cutsel.c:497
void SCIPcutselSetFree(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELFREE((*cutselfree)))
Definition: cutsel.c:475
void SCIPcutselSetInit(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELINIT((*cutselinit)))
Definition: cutsel.c:486
#define SCIP_DECL_CUTSELFREE(x)
Definition: type_cutsel.h:70
void SCIPcutselSetInitsol(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELINITSOL((*cutselinitsol)))
Definition: cutsel.c:508
common defines and data types used in all packages of SCIP
struct BMS_BlkMem BMS_BLKMEM
Definition: memory.h:439
public methods for cut selectors
#define SCIP_DECL_CUTSELEXITSOL(x)
Definition: type_cutsel.h:108
memory allocation routines