Scippy

    SCIP

    Solving Constraint Integer Programs

    scip_cutsel.h
    Go to the documentation of this file.
    1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    2/* */
    3/* This file is part of the program and library */
    4/* SCIP --- Solving Constraint Integer Programs */
    5/* */
    6/* Copyright (c) 2002-2025 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 scip_cutsel.h
    26 * @ingroup PUBLICCOREAPI
    27 * @brief public methods for cut selector plugins
    28 * @author Felipe Serrano
    29 * @author Mark Turner
    30 */
    31
    32/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
    33
    34#ifndef __SCIP_SCIP_CUTSEL_H__
    35#define __SCIP_SCIP_CUTSEL_H__
    36
    37
    38#include "scip/def.h"
    39#include "scip/type_cutsel.h"
    40#include "scip/type_retcode.h"
    41#include "scip/type_scip.h"
    42#include "scip/type_tree.h"
    43
    44#ifdef __cplusplus
    45extern "C" {
    46#endif
    47
    48/**@addtogroup PublicCutSelectorMethods
    49 *
    50 * @{
    51 */
    52
    53/** creates a cut selector and includes it in SCIP
    54 *
    55 * @note this method has all cut selector callbacks as arguments and is thus changed every time a new
    56 * callback is added in future releases; consider using SCIPincludeCutselBasic() and setter functions
    57 * if you seek for a method which is less likely to change in future releases
    58 */
    59SCIP_EXPORT
    61 SCIP* scip, /**< SCIP data structure */
    62 const char* name, /**< name of cut selector */
    63 const char* desc, /**< description of cut selector */
    64 int priority, /**< priority of the cut selector */
    65 SCIP_DECL_CUTSELCOPY ((*cutselcopy)), /**< copy method of cut selector or NULL if you don't want to copy your plugin into sub-SCIPs */
    66 SCIP_DECL_CUTSELFREE ((*cutselfree)), /**< destructor of cut selector */
    67 SCIP_DECL_CUTSELINIT ((*cutselinit)), /**< initialize cut selector */
    68 SCIP_DECL_CUTSELEXIT ((*cutselexit)), /**< deinitialize cut selector */
    69 SCIP_DECL_CUTSELINITSOL((*cutselinitsol)),/**< solving process initialization method of cut selector */
    70 SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)),/**< solving process deinitialization method of cut selector */
    71 SCIP_DECL_CUTSELSELECT((*cutselselect)), /**< cut selection method */
    72 SCIP_CUTSELDATA* cutseldata /**< cut selector data */
    73 );
    74
    75/** Creates a cut selector and includes it in SCIP with its most fundamental callbacks.
    76 *
    77 * All non-fundamental (or optional) callbacks as, e.g., init and exit callbacks, will be set to NULL. Optional
    78 * callbacks can be set via specific setter functions, see SCIPsetCutselCopy(), SCIPsetCutselFree(),
    79 * SCIPsetCutselInit(), SCIPsetCutselExit(), SCIPsetCutselInitsol(), and SCIPsetCutselExitsol()
    80 *
    81 * @note if you want to set all callbacks with a single method call, consider using SCIPincludeCutsel() instead
    82 */
    83SCIP_EXPORT
    85 SCIP* scip, /**< SCIP data structure */
    86 SCIP_CUTSEL** cutsel, /**< reference to a cut selector, or NULL */
    87 const char* name, /**< name of cut selector */
    88 const char* desc, /**< description of cut selector */
    89 int priority, /**< priority of the cut selector in standard mode */
    90 SCIP_DECL_CUTSELSELECT((*cutselselect)), /**< cut selection method */
    91 SCIP_CUTSELDATA* cutseldata /**< cut selector data */
    92 );
    93
    94/** sets copy method of cut selector */
    95SCIP_EXPORT
    97 SCIP* scip, /**< SCIP data structure */
    98 SCIP_CUTSEL* cutsel, /**< cut selector */
    99 SCIP_DECL_CUTSELCOPY ((*cutselcopy)) /**< copy method of cut selector or NULL if you don't want to copy your plugin into sub-SCIPs */
    100 );
    101
    102/** sets destructor method of cut selector */
    103SCIP_EXPORT
    105 SCIP* scip, /**< SCIP data structure */
    106 SCIP_CUTSEL* cutsel, /**< cut selector */
    107 SCIP_DECL_CUTSELFREE ((*cutselfree)) /**< destructor of cut selector */
    108 );
    109
    110/** sets initialization method of cut selector */
    111SCIP_EXPORT
    113 SCIP* scip, /**< SCIP data structure */
    114 SCIP_CUTSEL* cutsel, /**< cut selector */
    115 SCIP_DECL_CUTSELINIT ((*cutselinit)) /**< initialize cut selector */
    116 );
    117
    118/** sets deinitialization method of cut selector */
    119SCIP_EXPORT
    121 SCIP* scip, /**< SCIP data structure */
    122 SCIP_CUTSEL* cutsel, /**< cut selector */
    123 SCIP_DECL_CUTSELEXIT ((*cutselexit)) /**< deinitialize cut selector */
    124 );
    125
    126/** sets solving process initialization method of cut selector */
    127SCIP_EXPORT
    129 SCIP* scip, /**< SCIP data structure */
    130 SCIP_CUTSEL* cutsel, /**< cut selector */
    131 SCIP_DECL_CUTSELINITSOL ((*cutselinitsol))/**< solving process initialization method of cut selector */
    132 );
    133
    134/** sets solving process deinitialization method of cut selector */
    135SCIP_EXPORT
    137 SCIP* scip, /**< SCIP data structure */
    138 SCIP_CUTSEL* cutsel, /**< cut selector */
    139 SCIP_DECL_CUTSELEXITSOL ((*cutselexitsol))/**< solving process deinitialization method of cut selector */
    140 );
    141
    142/** returns the cut selector of the given name, or NULL if not existing */
    143SCIP_EXPORT
    145 SCIP* scip, /**< SCIP data structure */
    146 const char* name /**< name of cut selector */
    147 );
    148
    149/** returns the array of currently available cut selectors */
    150SCIP_EXPORT
    152 SCIP* scip /**< SCIP data structure */
    153 );
    154
    155/** returns the number of currently available cut selectors */
    156SCIP_EXPORT
    158 SCIP* scip /**< SCIP data structure */
    159 );
    160
    161/** sets the priority of a cut selector */
    162SCIP_EXPORT
    164 SCIP* scip, /**< SCIP data structure */
    165 SCIP_CUTSEL* cutsel, /**< cut selector */
    166 int priority /**< new priority of the separator */
    167 );
    168
    169/** @} */
    170
    171#ifdef __cplusplus
    172}
    173#endif
    174
    175#endif
    common defines and data types used in all packages of SCIP
    SCIP_RETCODE SCIPsetCutselInit(SCIP *scip, SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELINIT((*cutselinit)))
    Definition: scip_cutsel.c:163
    SCIP_RETCODE SCIPsetCutselPriority(SCIP *scip, SCIP_CUTSEL *cutsel, int priority)
    Definition: scip_cutsel.c:264
    SCIP_RETCODE SCIPincludeCutselBasic(SCIP *scip, SCIP_CUTSEL **cutsel, const char *name, const char *desc, int priority, SCIP_DECL_CUTSELSELECT((*cutselselect)), SCIP_CUTSELDATA *cutseldata)
    Definition: scip_cutsel.c:98
    SCIP_RETCODE SCIPsetCutselCopy(SCIP *scip, SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELCOPY((*cutselcopy)))
    Definition: scip_cutsel.c:131
    SCIP_CUTSEL * SCIPfindCutsel(SCIP *scip, const char *name)
    Definition: scip_cutsel.c:227
    SCIP_RETCODE SCIPsetCutselFree(SCIP *scip, SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELFREE((*cutselfree)))
    Definition: scip_cutsel.c:147
    SCIP_RETCODE SCIPsetCutselInitsol(SCIP *scip, SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELINITSOL((*cutselinitsol)))
    Definition: scip_cutsel.c:195
    SCIP_RETCODE SCIPsetCutselExitsol(SCIP *scip, SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)))
    Definition: scip_cutsel.c:211
    SCIP_RETCODE SCIPsetCutselExit(SCIP *scip, SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELEXIT((*cutselexit)))
    Definition: scip_cutsel.c:179
    SCIP_RETCODE SCIPincludeCutsel(SCIP *scip, const char *name, const char *desc, int priority, SCIP_DECL_CUTSELCOPY((*cutselcopy)), SCIP_DECL_CUTSELFREE((*cutselfree)), SCIP_DECL_CUTSELINIT((*cutselinit)), SCIP_DECL_CUTSELEXIT((*cutselexit)), SCIP_DECL_CUTSELINITSOL((*cutselinitsol)), SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)), SCIP_DECL_CUTSELSELECT((*cutselselect)), SCIP_CUTSELDATA *cutseldata)
    Definition: scip_cutsel.c:53
    SCIP_CUTSEL ** SCIPgetCutsels(SCIP *scip)
    Definition: scip_cutsel.c:240
    int SCIPgetNCutsels(SCIP *scip)
    Definition: scip_cutsel.c:253
    type definitions for cut selectors
    #define SCIP_DECL_CUTSELEXIT(x)
    Definition: type_cutsel.h:86
    #define SCIP_DECL_CUTSELEXITSOL(x)
    Definition: type_cutsel.h:108
    #define SCIP_DECL_CUTSELSELECT(x)
    Definition: type_cutsel.h:132
    #define SCIP_DECL_CUTSELFREE(x)
    Definition: type_cutsel.h:70
    #define SCIP_DECL_CUTSELINITSOL(x)
    Definition: type_cutsel.h:97
    struct SCIP_CutselData SCIP_CUTSELDATA
    Definition: type_cutsel.h:53
    #define SCIP_DECL_CUTSELINIT(x)
    Definition: type_cutsel.h:78
    #define SCIP_DECL_CUTSELCOPY(x)
    Definition: type_cutsel.h:62
    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 branch and bound tree