Scippy

SCIP

Solving Constraint Integer Programs

pub_pricer.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 2002-2022 Zuse Institute Berlin */
7 /* */
8 /* Licensed under the Apache License, Version 2.0 (the "License"); */
9 /* you may not use this file except in compliance with the License. */
10 /* You may obtain a copy of the License at */
11 /* */
12 /* http://www.apache.org/licenses/LICENSE-2.0 */
13 /* */
14 /* Unless required by applicable law or agreed to in writing, software */
15 /* distributed under the License is distributed on an "AS IS" BASIS, */
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17 /* See the License for the specific language governing permissions and */
18 /* limitations under the License. */
19 /* */
20 /* You should have received a copy of the Apache-2.0 license */
21 /* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22 /* */
23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24 
25 /**@file pub_pricer.h
26  * @ingroup PUBLICCOREAPI
27  * @brief public methods for variable pricers
28  * @author Tobias Achterberg
29  */
30 
31 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32 
33 #ifndef __SCIP_PUB_PRICER_H__
34 #define __SCIP_PUB_PRICER_H__
35 
36 
37 #include "scip/def.h"
38 #include "scip/type_misc.h"
39 #include "scip/type_pricer.h"
40 
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44 
45 /**@addtogroup PublicPricerMethods
46  *
47  * @{
48  */
49 
50 /** compares two pricers w. r. to their priority */
51 SCIP_EXPORT
52 SCIP_DECL_SORTPTRCOMP(SCIPpricerComp);
53 
54 /** comparison method for sorting pricers w.r.t. to their name */
55 SCIP_EXPORT
56 SCIP_DECL_SORTPTRCOMP(SCIPpricerCompName);
57 
58 /** gets user data of variable pricer */
59 SCIP_EXPORT
61  SCIP_PRICER* pricer /**< variable pricer */
62  );
63 
64 /** sets user data of variable pricer; user has to free old data in advance! */
65 SCIP_EXPORT
67  SCIP_PRICER* pricer, /**< variable pricer */
68  SCIP_PRICERDATA* pricerdata /**< new variable pricer user data */
69  );
70 
71 /** gets name of variable pricer */
72 SCIP_EXPORT
73 const char* SCIPpricerGetName(
74  SCIP_PRICER* pricer /**< variable pricer */
75  );
76 
77 /** gets description of variable pricer */
78 SCIP_EXPORT
79 const char* SCIPpricerGetDesc(
80  SCIP_PRICER* pricer /**< variable pricer */
81  );
82 
83 /** gets priority of variable pricer */
84 SCIP_EXPORT
86  SCIP_PRICER* pricer /**< variable pricer */
87  );
88 
89 /** gets the number of times, the pricer was called and tried to find a variable with negative reduced costs */
90 SCIP_EXPORT
92  SCIP_PRICER* pricer /**< variable pricer */
93  );
94 
95 /** gets the number of variables with negative reduced costs found by this pricer */
96 SCIP_EXPORT
98  SCIP_PRICER* pricer /**< variable pricer */
99  );
100 
101 /** gets time in seconds used in this pricer for setting up for next stages */
102 SCIP_EXPORT
104  SCIP_PRICER* pricer /**< variable pricer */
105  );
106 
107 /** gets time in seconds used in this pricer */
108 SCIP_EXPORT
110  SCIP_PRICER* pricer /**< variable pricer */
111  );
112 
113 /** returns whether the given pricer is in use in the current problem */
114 SCIP_EXPORT
116  SCIP_PRICER* pricer /**< variable pricer */
117  );
118 
119 /** returns whether the pricer should be delayed until no other pricer finds a new variable */
120 SCIP_EXPORT
122  SCIP_PRICER* pricer /**< variable pricer */
123  );
124 
125 /** is variable pricer initialized? */
126 SCIP_EXPORT
128  SCIP_PRICER* pricer /**< variable pricer */
129  );
130 
131 /** @} */
132 
133 #ifdef __cplusplus
134 }
135 #endif
136 
137 #endif
void SCIPpricerSetData(SCIP_PRICER *pricer, SCIP_PRICERDATA *pricerdata)
Definition: pricer.c:520
const char * SCIPpricerGetName(SCIP_PRICER *pricer)
Definition: pricer.c:597
type definitions for miscellaneous datastructures
SCIP_Real SCIPpricerGetTime(SCIP_PRICER *pricer)
Definition: pricer.c:671
SCIP_Bool SCIPpricerIsActive(SCIP_PRICER *pricer)
Definition: pricer.c:693
SCIP_PRICERDATA * SCIPpricerGetData(SCIP_PRICER *pricer)
Definition: pricer.c:510
int SCIPpricerGetPriority(SCIP_PRICER *pricer)
Definition: pricer.c:617
type definitions for variable pricers
SCIP_DECL_SORTPTRCOMP(SCIPpricerComp)
Definition: pricer.c:54
#define SCIP_Bool
Definition: def.h:93
SCIP_Bool SCIPpricerIsDelayed(SCIP_PRICER *pricer)
Definition: pricer.c:703
SCIP_Bool SCIPpricerIsInitialized(SCIP_PRICER *pricer)
Definition: pricer.c:713
int SCIPpricerGetNCalls(SCIP_PRICER *pricer)
Definition: pricer.c:641
#define SCIP_Real
Definition: def.h:186
const char * SCIPpricerGetDesc(SCIP_PRICER *pricer)
Definition: pricer.c:607
SCIP_Real SCIPpricerGetSetupTime(SCIP_PRICER *pricer)
Definition: pricer.c:661
int SCIPpricerGetNVarsFound(SCIP_PRICER *pricer)
Definition: pricer.c:651
struct SCIP_PricerData SCIP_PRICERDATA
Definition: type_pricer.h:45
common defines and data types used in all packages of SCIP