Scippy

    SCIP

    Solving Constraint Integer Programs

    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 cutsel.h
    26 * @ingroup INTERNALAPI
    27 * @brief internal methods for cut selectors
    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_CUTSEL_H__
    35#define __SCIP_CUTSEL_H__
    36
    37
    38#include "scip/def.h"
    40#include "scip/type_retcode.h"
    41#include "scip/type_set.h"
    42#include "scip/pub_cutsel.h"
    43#include "scip/lp.h"
    44
    45#ifdef __cplusplus
    46extern "C" {
    47#endif
    48
    49/** creates a cut selector */
    51 SCIP_CUTSEL** cutsel, /**< pointer to store cut selector */
    52 SCIP_SET* set, /**< global SCIP settings */
    53 SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
    54 BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
    55 const char* name, /**< name of cut selector */
    56 const char* desc, /**< description of cut selector */
    57 int priority, /**< priority of the cut selector in standard mode */
    58 SCIP_DECL_CUTSELCOPY ((*cutselcopy)), /**< copy method of cut selector or NULL if you don't want to copy your plugin into sub-SCIPs */
    59 SCIP_DECL_CUTSELFREE ((*cutselfree)), /**< destructor of cut selector */
    60 SCIP_DECL_CUTSELINIT ((*cutselinit)), /**< initialize cut selector */
    61 SCIP_DECL_CUTSELEXIT ((*cutselexit)), /**< deinitialize cut selector */
    62 SCIP_DECL_CUTSELINITSOL((*cutselinitsol)),/**< solving process initialization method of cut selector */
    63 SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)),/**< solving process deinitialization method of cut selector */
    64 SCIP_DECL_CUTSELSELECT((*cutselselect)), /**< cut selection method */
    65 SCIP_CUTSELDATA* cutseldata /**< cut selector data */
    66 );
    67
    68/** enables or disables all clocks of @p cutsel, depending on the value of the flag */
    70 SCIP_CUTSEL* cutsel, /**< the cut selector for which all clocks should be enabled or disabled */
    71 SCIP_Bool enable /**< should the clocks of the cut selector be enabled? */
    72 );
    73
    74/** calls cut selectors to select cuts */
    76 SCIP_SET* set, /**< global SCIP settings */
    77 SCIP_ROW** cuts, /**< array with cuts to select from */
    78 int ncuts, /**< length of cuts */
    79 int nforcedcuts, /**< number of forced cuts at start of given array */
    80 SCIP_Bool root, /**< are we at the root node? */
    81 SCIP_Bool initiallp, /**< is the separation storage currently being filled with the initial LP rows? */
    82 int maxnselectedcuts, /**< maximum number of cuts to be selected */
    83 int* nselectedcuts /**< pointer to return number of selected cuts */
    84 );
    85
    86/** copies the given cut selector to a new scip */
    88 SCIP_CUTSEL* cutsel, /**< cut selector */
    89 SCIP_SET* set /**< SCIP_SET of SCIP to copy to */
    90 );
    91
    92/** sets copy method of cut selector */
    94 SCIP_CUTSEL* cutsel, /**< cut selector */
    95 SCIP_DECL_CUTSELCOPY ((*cutselcopy)) /**< copy method of cut selector or NULL if you don't want to copy your plugin into sub-SCIPs */
    96 );
    97
    98/** initializes cut selector */
    100 SCIP_CUTSEL* cutsel, /**< cut selector */
    101 SCIP_SET* set /**< global SCIP settings */
    102 );
    103
    104/** deinitializes cut selector */
    106 SCIP_CUTSEL* cutsel, /**< cut selector */
    107 SCIP_SET* set /**< global SCIP settings */
    108 );
    109
    110/** frees memory of cut selector */
    112 SCIP_CUTSEL** cutsel, /**< pointer to cut selector data structure */
    113 SCIP_SET* set /**< global SCIP settings */
    114 );
    115
    116/** informs cut selector that the branch and bound process is being started */
    118 SCIP_CUTSEL* cutsel, /**< cut selector */
    119 SCIP_SET* set /**< global SCIP settings */
    120 );
    121
    122/** informs cut selector that the branch and bound process is being started */
    124 SCIP_CUTSEL* cutsel, /**< cut selector */
    125 SCIP_SET* set /**< global SCIP settings */
    126 );
    127
    128/** sets destructor method of cut selector */
    130 SCIP_CUTSEL* cutsel, /**< cut selector */
    131 SCIP_DECL_CUTSELFREE ((*cutselfree)) /**< destructor of cut selector */
    132 );
    133
    134/** sets initialization method of cut selector */
    136 SCIP_CUTSEL* cutsel, /**< cut selector */
    137 SCIP_DECL_CUTSELINIT ((*cutselinit)) /**< initialize cut selector */
    138 );
    139
    140/** sets deinitialization method of cut selector */
    142 SCIP_CUTSEL* cutsel, /**< cut selector */
    143 SCIP_DECL_CUTSELEXIT ((*cutselexit)) /**< deinitialize cut selector */
    144 );
    145
    146/** sets solving process initialization method of cut selector */
    148 SCIP_CUTSEL* cutsel, /**< cut selector */
    149 SCIP_DECL_CUTSELINITSOL ((*cutselinitsol))/**< solving process initialization method of cut selector */
    150 );
    151
    152/** sets solving process deinitialization method of cut selector */
    154 SCIP_CUTSEL* cutsel, /**< cut selector */
    155 SCIP_DECL_CUTSELEXITSOL ((*cutselexitsol))/**< solving process deinitialization method of cut selector */
    156 );
    157
    158/** sets priority of cut selector */
    160 SCIP_CUTSEL* cutsel, /**< cut selector */
    161 SCIP_SET* set, /**< global SCIP settings */
    162 int priority /**< new priority of the cut selector */
    163 );
    164
    165#ifdef __cplusplus
    166}
    167#endif
    168
    169#endif
    void SCIPcutselSetFree(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELFREE((*cutselfree)))
    Definition: cutsel.c:476
    SCIP_RETCODE SCIPcutselsSelect(SCIP_SET *set, SCIP_ROW **cuts, int ncuts, int nforcedcuts, SCIP_Bool root, SCIP_Bool initiallp, int maxnselectedcuts, int *nselectedcuts)
    Definition: cutsel.c:169
    SCIP_RETCODE SCIPcutselInitsol(SCIP_CUTSEL *cutsel, SCIP_SET *set)
    Definition: cutsel.c:371
    SCIP_RETCODE SCIPcutselExitsol(SCIP_CUTSEL *cutsel, SCIP_SET *set)
    Definition: cutsel.c:395
    void SCIPcutselSetInitsol(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELINITSOL((*cutselinitsol)))
    Definition: cutsel.c:509
    SCIP_RETCODE SCIPcutselExit(SCIP_CUTSEL *cutsel, SCIP_SET *set)
    Definition: cutsel.c:341
    SCIP_RETCODE SCIPcutselCreate(SCIP_CUTSEL **cutsel, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, 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: cutsel.c:128
    void SCIPcutselSetExitsol(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELEXITSOL((*cutselexitsol)))
    Definition: cutsel.c:520
    void SCIPcutselSetInit(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELINIT((*cutselinit)))
    Definition: cutsel.c:487
    void SCIPcutselSetExit(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELEXIT((*cutselexit)))
    Definition: cutsel.c:498
    SCIP_RETCODE SCIPcutselCopyInclude(SCIP_CUTSEL *cutsel, SCIP_SET *set)
    Definition: cutsel.c:255
    void SCIPcutselSetCopy(SCIP_CUTSEL *cutsel, SCIP_DECL_CUTSELCOPY((*cutselcopy)))
    Definition: cutsel.c:465
    void SCIPcutselEnableOrDisableClocks(SCIP_CUTSEL *cutsel, SCIP_Bool enable)
    Definition: cutsel.c:450
    SCIP_RETCODE SCIPcutselFree(SCIP_CUTSEL **cutsel, SCIP_SET *set)
    Definition: cutsel.c:273
    SCIP_RETCODE SCIPcutselInit(SCIP_CUTSEL *cutsel, SCIP_SET *set)
    Definition: cutsel.c:304
    void SCIPcutselSetPriority(SCIP_CUTSEL *cutsel, SCIP_SET *set, int priority)
    Definition: cutsel.c:531
    common defines and data types used in all packages of SCIP
    #define SCIP_Bool
    Definition: def.h:91
    internal methods for LP management
    memory allocation routines
    struct BMS_BlkMem BMS_BLKMEM
    Definition: memory.h:437
    public methods for cut selectors
    Definition: heur_padm.c:135
    #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 global SCIP settings