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2    	/*                                                                           */
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4    	/*         SCIP --- Solving Constraint Integer Programs                      */
5    	/*                                                                           */
6    	/*  Copyright (c) 2002-2023 Zuse Institute Berlin (ZIB)                      */
7    	/*                                                                           */
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13   	/*                                                                           */
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19   	/*                                                                           */
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21   	/*  along with SCIP; see the file LICENSE. If not visit scipopt.org.         */
22   	/*                                                                           */
23   	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24   	
25   	/**@file   struct_sepa.h
26   	 * @ingroup INTERNALAPI
27   	 * @brief  datastructures for separators
28   	 * @author Tobias Achterberg
29   	 */
30   	
31   	/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32   	
33   	#ifndef __SCIP_STRUCT_SEPA_H__
34   	#define __SCIP_STRUCT_SEPA_H__
35   	
36   	
37   	#include "scip/def.h"
38   	#include "scip/type_clock.h"
39   	#include "scip/type_sepa.h"
40   	
41   	#ifdef __cplusplus
42   	extern "C" {
43   	#endif
44   	
45   	/** separators data */
46   	struct SCIP_Sepa
47   	{
48   	   SCIP_Longint          lastsepanode;       /**< last (total) node where this separator was called */
49   	   SCIP_Longint          ncalls;             /**< number of times, this separator was called */
50   	   SCIP_Longint          nrootcalls;         /**< number of times, this separator was called at the root */
51   	   SCIP_Longint          ncutoffs;           /**< number of cutoffs found so far by this separator */
52   	   SCIP_Longint          ncutsfound;         /**< number of cutting planes found so far by this separator */
53   	   SCIP_Longint          ncutsadded;         /**< number of cutting planes added to sepastore equal to
54   	                                              *   the sum of added cuts via pool and direct.*/
55   	   SCIP_Longint          ncutsaddedviapool;  /**< number of cutting planes added from cutpool */
56   	   SCIP_Longint          ncutsaddeddirect;   /**< number of cutting planes added directly */
57   	   SCIP_Longint          ncutsappliedviapool;/**< number of cutting planes applied to LP via cutpool */
58   	   SCIP_Longint          ncutsapplieddirect; /**< number of cutting planes applied to LP directly from sepastore */
59   	   SCIP_Longint          nconssfound;        /**< number of additional constraints added by this separator */
60   	   SCIP_Longint          ndomredsfound;      /**< number of domain reductions found so far by this separator */
61   	   SCIP_Real             maxbounddist;       /**< maximal relative distance from current node's dual bound to primal bound compared
62   	                                              *   to best node's dual bound for applying separation */
63   	   char*                 name;               /**< name of separator */
64   	   char*                 desc;               /**< description of separator */
65   	   SCIP_DECL_SEPACOPY    ((*sepacopy));      /**< copy method of separator or NULL if you don't want to copy your plugin into sub-SCIPs */
66   	   SCIP_DECL_SEPAFREE    ((*sepafree));      /**< destructor of separator */
67   	   SCIP_DECL_SEPAINIT    ((*sepainit));      /**< initialize separator */
68   	   SCIP_DECL_SEPAEXIT    ((*sepaexit));      /**< deinitialize separator */
69   	   SCIP_DECL_SEPAINITSOL ((*sepainitsol));   /**< solving process initialization method of separator */
70   	   SCIP_DECL_SEPAEXITSOL ((*sepaexitsol));   /**< solving process deinitialization method of separator */
71   	   SCIP_DECL_SEPAEXECLP  ((*sepaexeclp));    /**< LP solution separation method of separator */
72   	   SCIP_DECL_SEPAEXECSOL ((*sepaexecsol));   /**< arbitrary primal solution separation method of separator */
73   	   SCIP_SEPADATA*        sepadata;           /**< separators local data */
74   	   SCIP_CLOCK*           setuptime;          /**< time spend for setting up this separator for the next stages */
75   	   SCIP_CLOCK*           sepaclock;          /**< separation time */
76   	   int                   priority;           /**< priority of the separator */
77   	   int                   freq;               /**< frequency for calling separator */
78   	   int                   ncallsatnode;       /**< number of times, this separator was called at the current node */
79   	   int                   ncutsfoundatnode;   /**< number of cutting planes found at the current node */
80   	   int                   expbackoff;         /**< base for exponential increase of frequency at which the separator is called */
81   	   SCIP_Bool             usessubscip;        /**< does the separator use a secondary SCIP instance? */
82   	   SCIP_Bool             delay;              /**< should separator be delayed, if other separators found cuts? */
83   	   SCIP_Bool             lpwasdelayed;       /**< was the LP separation delayed at the last call? */
84   	   SCIP_Bool             solwasdelayed;      /**< was the solution separation delayed at the last call? */
85   	   SCIP_Bool             initialized;        /**< is separator initialized? */
86   	   SCIP_Bool             isparentsepa;       /**< is separator a parent separator that create cuts of child separators? */
87   	   struct SCIP_Sepa*     parentsepa;         /**< pointer to parent separator or NULL */
88   	};
89   	
90   	#ifdef __cplusplus
91   	}
92   	#endif
93   	
94   	#endif
95