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   type_timing.h
26   	 * @brief  timing definitions for SCIP
27   	 * @author Timo Berthold
28   	 * @author Matthias Miltenberger
29   	 * @author Michael Winkler
30   	 */
31   	
32   	/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
33   	
34   	#ifndef __SCIP_TYPE_TIMING_H__
35   	#define __SCIP_TYPE_TIMING_H__
36   	
37   	#include "scip/def.h"
38   	#include "scip/type_result.h"
39   	#include "scip/type_scip.h"
40   	
41   	#ifdef __cplusplus
42   	extern "C" {
43   	#endif
44   	
45   	
46   	/** presolving execution timing flags
47   	 *
48   	 *  @note: in contrast to other timings, these timings need to start from 0x0002u in order to avoid confusion with
49   	 *         the now obsolete '(presol)delay' boolean flag used until SCIP version 3.1.1
50   	 */
51   	#define SCIP_PRESOLTIMING_NONE            0x002u  /**< presolving disabled */
52   	#define SCIP_PRESOLTIMING_FAST            0x004u  /**< timing for fast presolving methods */
53   	#define SCIP_PRESOLTIMING_MEDIUM          0x008u  /**< timing for more expensive presolving methods */
54   	#define SCIP_PRESOLTIMING_EXHAUSTIVE      0x010u  /**< timing for most expensive presolving methods */
55   	#define SCIP_PRESOLTIMING_FINAL           0x020u  /**< timing for final presolving methods */
56   	
57   	/** call presolver in every timing */
58   	#define SCIP_PRESOLTIMING_ALWAYS (SCIP_PRESOLTIMING_FAST | SCIP_PRESOLTIMING_MEDIUM | SCIP_PRESOLTIMING_EXHAUSTIVE )
59   	#define SCIP_PRESOLTIMING_MAX    (SCIP_PRESOLTIMING_FAST | SCIP_PRESOLTIMING_MEDIUM | SCIP_PRESOLTIMING_EXHAUSTIVE | SCIP_PRESOLTIMING_FINAL)
60   	
61   	typedef unsigned int SCIP_PRESOLTIMING;
62   	
63   	
64   	/** propagation execution timing flags */
65   	#define SCIP_PROPTIMING_BEFORELP          0x001u  /**< call propagator before LP is solved */
66   	#define SCIP_PROPTIMING_DURINGLPLOOP      0x002u  /**< call propagator after each LP solving during cut-and-price loop */
67   	#define SCIP_PROPTIMING_AFTERLPLOOP       0x004u  /**< call propagator after the cut-and-price loop was finished */
68   	#define SCIP_PROPTIMING_AFTERLPNODE       0x008u  /**< call propagator after the processing of a node with solved LP was
69   	                                                   *   finished */
70   	
71   	/** call propagator regardless of current status */
72   	#define SCIP_PROPTIMING_ALWAYS (SCIP_PROPTIMING_BEFORELP | SCIP_PROPTIMING_DURINGLPLOOP | SCIP_PROPTIMING_AFTERLPLOOP | SCIP_PROPTIMING_AFTERLPNODE )
73   	
74   	typedef unsigned int SCIP_PROPTIMING;
75   	
76   	
77   	/** heuristics execution timing flags */
78   	#define SCIP_HEURTIMING_BEFORENODE        0x001u  /**< call heuristic before the processing of the node starts */
79   	#define SCIP_HEURTIMING_DURINGLPLOOP      0x002u  /**< call heuristic after each LP solving during cut-and-price loop */
80   	#define SCIP_HEURTIMING_AFTERLPLOOP       0x004u  /**< call heuristic after the cut-and-price loop was finished */
81   	#define SCIP_HEURTIMING_AFTERLPNODE       0x008u  /**< call heuristic after the processing of a node with solved LP was
82   	                                                   *   finished */
83   	#define SCIP_HEURTIMING_AFTERPSEUDONODE   0x010u  /**< call heuristic after the processing of a node without solved LP was
84   	                                                   *   finished */
85   	#define SCIP_HEURTIMING_AFTERLPPLUNGE     0x020u  /**< call heuristic after the processing of the last node in the current
86   	                                                   *   plunge was finished, and only if the LP was solved for this node */
87   	#define SCIP_HEURTIMING_AFTERPSEUDOPLUNGE 0x040u  /**< call heuristic after the processing of the last node in the current
88   	                                                   *   plunge was finished, and only if the LP was not solved for this node */
89   	#define SCIP_HEURTIMING_DURINGPRICINGLOOP 0x080u  /**< call heuristic during pricing loop */
90   	#define SCIP_HEURTIMING_BEFOREPRESOL      0x100u  /**< call heuristic before presolving */
91   	#define SCIP_HEURTIMING_DURINGPRESOLLOOP  0x200u  /**< call heuristic during presolving loop */
92   	#define SCIP_HEURTIMING_AFTERPROPLOOP     0x400u  /**< call heuristic after propagation which is performed before solving the LP */
93   	/* it turned out that a heuristic timing DURINGPROPLOOP causes severe troubles with the resolving of propagations */
94   	
95   	/** call heuristic after the processing of a node was finished */
96   	#define SCIP_HEURTIMING_AFTERNODE (SCIP_HEURTIMING_AFTERLPNODE | SCIP_HEURTIMING_AFTERPSEUDONODE)
97   	
98   	/** call heuristic after the processing of the last node in the current plunge was finished */
99   	#define SCIP_HEURTIMING_AFTERPLUNGE (SCIP_HEURTIMING_AFTERLPPLUNGE | SCIP_HEURTIMING_AFTERPSEUDOPLUNGE)
100  	
101  	typedef unsigned int SCIP_HEURTIMING;
102  	
103  	#ifdef __cplusplus
104  	}
105  	#endif
106  	
107  	#endif
108