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4    	/*         SCIP --- Solving Constraint Integer Programs                      */
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7    	/*                                                                           */
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22   	/*                                                                           */
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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
60   	SCIP_PRICERDATA* SCIPpricerGetData(
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
66   	void SCIPpricerSetData(
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
85   	int SCIPpricerGetPriority(
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
91   	int SCIPpricerGetNCalls(
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
97   	int SCIPpricerGetNVarsFound(
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
103  	SCIP_Real SCIPpricerGetSetupTime(
104  	   SCIP_PRICER*          pricer              /**< variable pricer */
105  	   );
106  	
107  	/** gets time in seconds used in this pricer */
108  	SCIP_EXPORT
109  	SCIP_Real SCIPpricerGetTime(
110  	   SCIP_PRICER*          pricer              /**< variable pricer */
111  	   );
112  	
113  	/** returns whether the given pricer is in use in the current problem */
114  	SCIP_EXPORT
115  	SCIP_Bool SCIPpricerIsActive(
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
121  	SCIP_Bool SCIPpricerIsDelayed(
122  	   SCIP_PRICER*          pricer              /**< variable pricer */
123  	   );
124  	
125  	/** is variable pricer initialized? */
126  	SCIP_EXPORT
127  	SCIP_Bool SCIPpricerIsInitialized(
128  	   SCIP_PRICER*          pricer              /**< variable pricer */
129  	   );
130  	
131  	/** @} */
132  	
133  	#ifdef __cplusplus
134  	}
135  	#endif
136  	
137  	#endif
138