Scippy

    SCIP

    Solving Constraint Integer Programs

    struct_bandit.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 */
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    12/* http://www.apache.org/licenses/LICENSE-2.0 */
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    14/* Unless required by applicable law or agreed to in writing, software */
    15/* distributed under the License is distributed on an "AS IS" BASIS, */
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    17/* See the License for the specific language governing permissions and */
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    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_bandit.h
    26 * @ingroup INTERNALAPI
    27 * @brief data structures for bandit selection algorithms
    28 * @author Gregor Hendel
    29 */
    30
    31/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
    32
    33#ifndef __SCIP_STRUCT_BANDIT_H__
    34#define __SCIP_STRUCT_BANDIT_H__
    35
    36
    37#include "scip/def.h"
    38#include "misc.h"
    39#include "scip/type_clock.h"
    40#include "scip/type_bandit.h"
    41
    42#ifdef __cplusplus
    43extern "C" {
    44#endif
    45
    46/** virtual function table for bandit selection algorithms */
    48{
    49 const char* name; /**< name of the represented bandit algorithm */
    50 SCIP_DECL_BANDITFREE ((*banditfree)); /**< callback to free bandit specific data structures */
    51 SCIP_DECL_BANDITSELECT((*banditselect)); /**< selection callback for bandit selector */
    52 SCIP_DECL_BANDITUPDATE((*banditupdate)); /**< update callback for bandit algorithms */
    53 SCIP_DECL_BANDITRESET ((*banditreset)); /**< update callback for bandit algorithms */
    54};
    55
    56/** data structure for bandit algorithms */
    58{
    59 SCIP_BANDITVTABLE* vtable; /**< virtual function table for callbacks */
    60 SCIP_RANDNUMGEN* rng; /**< random number generator for randomized selection */
    61 int nactions; /**< the number of actions to select from */
    62 SCIP_BANDITDATA* data; /**< specific data for bandit algorithm implementations */
    63};
    64#ifdef __cplusplus
    65}
    66#endif
    67
    68#endif
    common defines and data types used in all packages of SCIP
    internal miscellaneous methods
    SCIP_DECL_BANDITFREE((*banditfree))
    SCIP_DECL_BANDITSELECT((*banditselect))
    const char * name
    Definition: struct_bandit.h:49
    SCIP_DECL_BANDITUPDATE((*banditupdate))
    SCIP_DECL_BANDITRESET((*banditreset))
    SCIP_RANDNUMGEN * rng
    Definition: struct_bandit.h:60
    SCIP_BANDITVTABLE * vtable
    Definition: struct_bandit.h:59
    SCIP_BANDITDATA * data
    Definition: struct_bandit.h:62
    type definitions for bandit selection algorithms
    struct SCIP_BanditData SCIP_BANDITDATA
    Definition: type_bandit.h:56
    type definitions for clocks and timing issues