Scippy

SCIP

Solving Constraint Integer Programs

prop_sync.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 */
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 prop_sync.h
26 * @ingroup PROPAGATORS
27 * @brief propagator for applying global bound changes that were communicated by other
28 * concurrent solvers
29 * @author Leona Gottwald
30 */
31
32/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
33
34#ifndef __SCIP_PROP_SYNC_H__
35#define __SCIP_PROP_SYNC_H__
36
37#include "scip/def.h"
38#include "scip/type_lp.h"
39#include "scip/type_prop.h"
40#include "scip/type_retcode.h"
41#include "scip/type_scip.h"
42#include "scip/type_var.h"
43
44#ifdef __cplusplus
45extern "C" {
46#endif
47
48/** creates the sync propagator and includes it in SCIP
49 *
50 * @ingroup PropagatorIncludes
51 */
52SCIP_EXPORT
54 SCIP* scip /**< SCIP data structure */
55 );
56
57/**@addtogroup PROPAGATORS
58 *
59 * @{
60 */
61
62/** adds a boundchange to the sync propagator */
63SCIP_EXPORT
65 SCIP* scip, /**< SCIP data structure */
66 SCIP_PROP* prop, /**< sync propagator */
67 SCIP_VAR* var, /**< variable for bound */
68 SCIP_Real val, /**< value of bound */
69 SCIP_BOUNDTYPE bndtype /**< type of bound */
70 );
71
72/** gives the total number of tightened bounds found by the sync propagator */
73SCIP_EXPORT
75 SCIP_PROP* prop /**< sync propagator */
76 );
77
78/** gives the total number of tightened bounds for integer variables found by the sync propagator */
79SCIP_EXPORT
81 SCIP_PROP* prop /**< sync propagator */
82 );
83
84/** @} */
85
86#ifdef __cplusplus
87}
88#endif
89
90#endif
common defines and data types used in all packages of SCIP
#define SCIP_Longint
Definition: def.h:158
#define SCIP_Real
Definition: def.h:173
SCIP_Longint SCIPpropSyncGetNTightenedBnds(SCIP_PROP *prop)
Definition: prop_sync.c:363
SCIP_RETCODE SCIPpropSyncAddBndchg(SCIP *scip, SCIP_PROP *prop, SCIP_VAR *var, SCIP_Real val, SCIP_BOUNDTYPE bndtype)
Definition: prop_sync.c:323
SCIP_Longint SCIPpropSyncGetNTightenedIntBnds(SCIP_PROP *prop)
Definition: prop_sync.c:378
SCIP_RETCODE SCIPincludePropSync(SCIP *scip)
Definition: prop_sync.c:288
type definitions for LP management
enum SCIP_BoundType SCIP_BOUNDTYPE
Definition: type_lp.h:59
type definitions for propagators
type definitions for return codes for SCIP methods
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
type definitions for SCIP's main datastructure
type definitions for problem variables