Scippy

    SCIP

    Solving Constraint Integer Programs

    struct_benderscut.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 struct_benderscut.h
    26 * @ingroup INTERNALAPI
    27 * @brief datastructures for Benders' decomposition cuts techniques
    28 * @author Stephen J. Maher
    29 */
    30
    31/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
    32
    33#ifndef __SCIP_STRUCT_BENDERSCUT_H__
    34#define __SCIP_STRUCT_BENDERSCUT_H__
    35
    36
    37#include "scip/def.h"
    38#include "scip/type_clock.h"
    40
    41#ifdef __cplusplus
    42extern "C" {
    43#endif
    44
    45/** Benders' decomposition cuts data */
    47{
    48 SCIP_Longint ncalls; /**< number of times, this Benders' decomposition cut was called */
    49 SCIP_Longint nfound; /**< number of cuts found so far by this Benders' decomposition cut */
    50 char* name; /**< name of the Benders' decomposition cut */
    51 char* desc; /**< description of the Benders' decomposition cut */
    52 SCIP_DECL_BENDERSCUTCOPY((*benderscutcopy));/**< copy method of the Benders' decomposition cut or NULL if you don't want to copy your plugin into sub-SCIPs */
    53 SCIP_DECL_BENDERSCUTFREE((*benderscutfree));/**< destructor of the Benders' decomposition cut */
    54 SCIP_DECL_BENDERSCUTINIT((*benderscutinit));/**< initialize the Benders' decomposition cut */
    55 SCIP_DECL_BENDERSCUTEXIT((*benderscutexit));/**< deinitialize the Benders' decomposition cut */
    56 SCIP_DECL_BENDERSCUTINITSOL((*benderscutinitsol));/**< solving process initialization method of the Benders' decomposition cut */
    57 SCIP_DECL_BENDERSCUTEXITSOL((*benderscutexitsol));/**< solving process deinitialization method of the Benders' decomposition cut */
    58 SCIP_DECL_BENDERSCUTEXEC((*benderscutexec));/**< execution method of the Benders' decomposition cut */
    59 SCIP_BENDERSCUTDATA* benderscutdata; /**< Benders' decomposition cuts local data */
    60 SCIP_CLOCK* setuptime; /**< time spend for setting up the Benders' decomposition cut plugin */
    61 SCIP_CLOCK* benderscutclock; /**< the execution time of the Benders' decomposition cut plugin */
    62 int priority; /**< priority of the Benders' decomposition cuts */
    63 SCIP_Bool islpcut; /**< does this Benders' cut use LP information? */
    64 SCIP_Bool initialized; /**< has the Benders' decomposition cut been initialized? */
    65
    66 /* additional Benders' decomposition cuts parameters */
    67 SCIP_Bool enabled; /**< is this Benders' decomposition cut enabled? */
    68};
    69
    70#ifdef __cplusplus
    71}
    72#endif
    73
    74#endif
    common defines and data types used in all packages of SCIP
    #define SCIP_Longint
    Definition: def.h:141
    #define SCIP_Bool
    Definition: def.h:91
    SCIP_BENDERSCUTDATA * benderscutdata
    SCIP_DECL_BENDERSCUTEXIT((*benderscutexit))
    SCIP_DECL_BENDERSCUTINITSOL((*benderscutinitsol))
    SCIP_Longint nfound
    SCIP_DECL_BENDERSCUTEXITSOL((*benderscutexitsol))
    SCIP_CLOCK * setuptime
    SCIP_CLOCK * benderscutclock
    SCIP_DECL_BENDERSCUTCOPY((*benderscutcopy))
    SCIP_DECL_BENDERSCUTFREE((*benderscutfree))
    SCIP_DECL_BENDERSCUTINIT((*benderscutinit))
    SCIP_DECL_BENDERSCUTEXEC((*benderscutexec))
    SCIP_Longint ncalls
    type definitions for Benders' decomposition cut
    struct SCIP_BenderscutData SCIP_BENDERSCUTDATA
    type definitions for clocks and timing issues