1    	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2    	/*                                                                           */
3    	/*                  This file is part of the program and library             */
4    	/*         SCIP --- Solving Constraint Integer Programs                      */
5    	/*                                                                           */
6    	/*  Copyright (c) 2002-2023 Zuse Institute Berlin (ZIB)                      */
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,        */
16   	/*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
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   struct_prop.h
26   	 * @ingroup INTERNALAPI
27   	 * @brief  datastructures for propagators
28   	 * @author Tobias Achterberg
29   	 */
30   	
31   	/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32   	
33   	#ifndef __SCIP_STRUCT_PROP_H__
34   	#define __SCIP_STRUCT_PROP_H__
35   	
36   	
37   	#include "scip/def.h"
38   	#include "scip/type_clock.h"
39   	#include "scip/type_prop.h"
40   	
41   	#ifdef __cplusplus
42   	extern "C" {
43   	#endif
44   	
45   	/** propagators data */
46   	struct SCIP_Prop
47   	{
48   	   SCIP_Longint          ncalls;             /**< number of times, this propagator was called */
49   	   SCIP_Longint          nrespropcalls;      /**< number of times, the resolve propagation was called */
50   	   SCIP_Longint          ncutoffs;           /**< number of cutoffs found so far by this propagator */
51   	   SCIP_Longint          ndomredsfound;      /**< number of domain reductions found so far by this propagator */
52   	   char*                 name;               /**< name of propagator */
53   	   char*                 desc;               /**< description of propagator */
54   	   SCIP_DECL_PROPCOPY    ((*propcopy));      /**< copy method of propagator or NULL if you don't want to copy your plugin into sub-SCIPs */
55   	   SCIP_DECL_PROPFREE    ((*propfree));      /**< destructor of propagator */
56   	   SCIP_DECL_PROPINIT    ((*propinit));      /**< initialize propagator */
57   	   SCIP_DECL_PROPEXIT    ((*propexit));      /**< deinitialize propagator */
58   	   SCIP_DECL_PROPINITPRE ((*propinitpre));   /**< presolving initialization method of propagator */
59   	   SCIP_DECL_PROPEXITPRE ((*propexitpre));   /**< presolving deinitialization method of propagator */
60   	   SCIP_DECL_PROPINITSOL ((*propinitsol));   /**< solving process initialization method of propagator */
61   	   SCIP_DECL_PROPEXITSOL ((*propexitsol));   /**< solving process deinitialization method of propagator */
62   	   SCIP_DECL_PROPPRESOL  ((*proppresol));    /**< presolving method of propagator */
63   	   SCIP_DECL_PROPEXEC    ((*propexec));      /**< execution method of propagator */
64   	   SCIP_DECL_PROPRESPROP ((*propresprop));   /**< propagation conflict resolving method */
65   	   SCIP_PROPDATA*        propdata;           /**< propagators local data */
66   	   SCIP_CLOCK*           setuptime;          /**< time spend for setting up this propagator for the next stages */
67   	   SCIP_CLOCK*           proptime;           /**< time used for propagation of this propagator */
68   	   SCIP_CLOCK*           sbproptime;         /**< time used for propagation of this propagator during strong branching */
69   	   SCIP_CLOCK*           resproptime;        /**< time used for resolve propagation of this propagator */
70   	   SCIP_CLOCK*           presoltime;         /**< time used for presolving of this propagator */
71   	   int                   priority;           /**< priority of the propagator for propagation */
72   	   int                   freq;               /**< frequency for calling propagator */
73   	   SCIP_PROPTIMING       timingmask;         /**< positions in the node solving loop where propagator should be executed */
74   	   SCIP_PRESOLTIMING     presoltiming;       /**< timing mask of the presolving method of the propagator */
75   	   int                   presolpriority;     /**< priority of the presolving of the propagator */
76   	   int                   maxprerounds;       /**< maximal number of presolving rounds the constraint handler participates in (-1: no limit) */
77   	   int                   lastnfixedvars;     /**< number of variables fixed before the last call to the propagator */
78   	   int                   lastnaggrvars;      /**< number of variables aggregated in presolving before the last call to the propagator */
79   	   int                   lastnchgvartypes;   /**< number of variable type changes in presolving before the last call to the propagator */
80   	   int                   lastnchgbds;        /**< number of variable bounds tightened in presolving before the last call to the propagator */
81   	   int                   lastnaddholes;      /**< number of domain holes added in presolving before the last call to the propagator */
82   	   int                   lastndelconss;      /**< number of deleted constraints in presolving before the last call to the propagator */
83   	   int                   lastnaddconss;      /**< number of added constraints in presolving before the last call to the propagator */
84   	   int                   lastnupgdconss;     /**< number of upgraded constraints in presolving before the last call to the propagator */
85   	   int                   lastnchgcoefs;      /**< number of changed coefficients in presolving before the last call to the propagator */
86   	   int                   lastnchgsides;      /**< number of changed left or right hand sides in presolving before the last call to the propagator */
87   	   int                   nfixedvars;         /**< total number of variables fixed by this propagator in presolving */
88   	   int                   naggrvars;          /**< total number of variables aggregated by this propagator in presolving */
89   	   int                   nchgvartypes;       /**< total number of variable type changes by this propagator in presolving */
90   	   int                   nchgbds;            /**< total number of variable bounds tightened by this propagator in presolving */
91   	   int                   naddholes;          /**< total number of domain holes added by this propagator in presolving */
92   	   int                   ndelconss;          /**< total number of deleted constraints by this propagator in presolving */
93   	   int                   naddconss;          /**< total number of added constraints by this propagator in presolving */
94   	   int                   nupgdconss;         /**< total number of upgraded constraints by this propagator in presolving */
95   	   int                   nchgcoefs;          /**< total number of changed coefficients by this propagator in presolving */
96   	   int                   nchgsides;          /**< total number of changed left or right hand sides by this propagator in presolving */
97   	   int                   npresolcalls;       /**< number of times the propagator was called in presolving and tried to find reductions */
98   	   SCIP_Bool             delay;              /**< should propagator be delayed, if other propagators found reductions? */
99   	   SCIP_Bool             wasdelayed;         /**< was the propagator delayed at the last call? */
100  	   SCIP_Bool             initialized;        /**< is propagator initialized? */
101  	};
102  	
103  	#ifdef __cplusplus
104  	}
105  	#endif
106  	
107  	#endif
108