Scippy

SCIP

Solving Constraint Integer Programs

struct_prop.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 (c) 2002-2024 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 */
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12/* http://www.apache.org/licenses/LICENSE-2.0 */
13/* */
14/* Unless required by applicable law or agreed to in writing, software */
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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
42extern "C" {
43#endif
44
45/** propagators data */
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
common defines and data types used in all packages of SCIP
#define SCIP_Longint
Definition: def.h:157
#define SCIP_Bool
Definition: def.h:91
SCIP_DECL_PROPRESPROP((*propresprop))
int priority
Definition: struct_prop.h:71
SCIP_Bool initialized
Definition: struct_prop.h:100
SCIP_CLOCK * resproptime
Definition: struct_prop.h:69
int nfixedvars
Definition: struct_prop.h:87
SCIP_CLOCK * presoltime
Definition: struct_prop.h:70
int lastnchgvartypes
Definition: struct_prop.h:79
int lastnfixedvars
Definition: struct_prop.h:77
int npresolcalls
Definition: struct_prop.h:97
SCIP_DECL_PROPEXITPRE((*propexitpre))
SCIP_DECL_PROPEXEC((*propexec))
int lastnchgbds
Definition: struct_prop.h:80
SCIP_Longint ncutoffs
Definition: struct_prop.h:50
SCIP_PROPTIMING timingmask
Definition: struct_prop.h:73
int ndelconss
Definition: struct_prop.h:92
int nchgvartypes
Definition: struct_prop.h:89
SCIP_DECL_PROPINITSOL((*propinitsol))
SCIP_DECL_PROPINITPRE((*propinitpre))
SCIP_CLOCK * setuptime
Definition: struct_prop.h:66
int lastnchgsides
Definition: struct_prop.h:86
int lastnaddholes
Definition: struct_prop.h:81
int maxprerounds
Definition: struct_prop.h:76
SCIP_DECL_PROPCOPY((*propcopy))
int lastnupgdconss
Definition: struct_prop.h:84
SCIP_DECL_PROPEXIT((*propexit))
SCIP_DECL_PROPINIT((*propinit))
int lastnaddconss
Definition: struct_prop.h:83
SCIP_CLOCK * sbproptime
Definition: struct_prop.h:68
SCIP_PRESOLTIMING presoltiming
Definition: struct_prop.h:74
int nchgcoefs
Definition: struct_prop.h:95
SCIP_PROPDATA * propdata
Definition: struct_prop.h:65
char * desc
Definition: struct_prop.h:53
int presolpriority
Definition: struct_prop.h:75
SCIP_Bool wasdelayed
Definition: struct_prop.h:99
char * name
Definition: struct_prop.h:52
SCIP_CLOCK * proptime
Definition: struct_prop.h:67
SCIP_DECL_PROPPRESOL((*proppresol))
SCIP_Longint ndomredsfound
Definition: struct_prop.h:51
int nupgdconss
Definition: struct_prop.h:94
int nchgsides
Definition: struct_prop.h:96
SCIP_DECL_PROPFREE((*propfree))
SCIP_DECL_PROPEXITSOL((*propexitsol))
SCIP_Bool delay
Definition: struct_prop.h:98
int naggrvars
Definition: struct_prop.h:88
int lastnchgcoefs
Definition: struct_prop.h:85
int lastnaggrvars
Definition: struct_prop.h:78
SCIP_Longint ncalls
Definition: struct_prop.h:48
int naddconss
Definition: struct_prop.h:93
SCIP_Longint nrespropcalls
Definition: struct_prop.h:49
int naddholes
Definition: struct_prop.h:91
int lastndelconss
Definition: struct_prop.h:82
int nchgbds
Definition: struct_prop.h:90
type definitions for clocks and timing issues
type definitions for propagators
struct SCIP_PropData SCIP_PROPDATA
Definition: type_prop.h:52
unsigned int SCIP_PROPTIMING
Definition: type_timing.h:74
unsigned int SCIP_PRESOLTIMING
Definition: type_timing.h:61