Scippy

SCIP

Solving Constraint Integer Programs

bandit_exp3ix.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. */
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21 /* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22 /* */
23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24 
25 /**@file bandit_exp3ix.h
26  * @ingroup INTERNALAPI
27  * @brief internal methods for Exp.3-IX bandit algorithm
28  * @author Antonia Chmiela
29  */
30 
31 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32 
33 #ifndef __SCIP_BANDIT_EXP3IX_H__
34 #define __SCIP_BANDIT_EXP3IX_H__
35 
36 
37 #include "blockmemshell/memory.h"
38 #include "scip/def.h"
39 #include "scip/type_bandit.h"
40 #include "scip/type_retcode.h"
41 #include "scip/type_scip.h"
42 
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46 
47 /** include virtual function table for Exp.3-IX bandit algorithms */
49  SCIP* scip /**< SCIP data structure */
50  );
51 
52 /*
53  * callback methods for Exp.3-IX bandit algorithm to create a virtual function table
54  */
55 
56 /** callback to free bandit specific data structures */
57 SCIP_DECL_BANDITFREE(SCIPbanditFreeExp3IX);
58 
59 /** selection callback for bandit selector */
60 SCIP_DECL_BANDITSELECT(SCIPbanditSelectExp3IX);
61 
62 /** update callback for bandit algorithm */
63 SCIP_DECL_BANDITUPDATE(SCIPbanditUpdateExp3IX);
64 
65 /** reset callback for bandit algorithm */
66 SCIP_DECL_BANDITRESET(SCIPbanditResetExp3IX);
67 
68 /** direct bandit creation method for the core where no SCIP pointer is available */
70  BMS_BLKMEM* blkmem, /**< block memory data structure */
71  BMS_BUFMEM* bufmem, /**< buffer memory */
72  SCIP_BANDITVTABLE* vtable, /**< virtual function table for callback functions of Exp.3-IX */
73  SCIP_BANDIT** exp3ix, /**< pointer to store bandit algorithm */
74  SCIP_Real* priorities, /**< nonnegative priorities for each action, or NULL if not needed */
75  int nactions, /**< the positive number of actions for this bandit algorithm */
76  unsigned int initseed /**< initial random seed */
77  );
78 
79 #ifdef __cplusplus
80 }
81 #endif
82 
83 #endif
SCIP_DECL_BANDITFREE(SCIPbanditFreeExp3IX)
Definition: bandit_exp3ix.c:65
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
SCIP_RETCODE SCIPincludeBanditvtableExp3IX(SCIP *scip)
type definitions for return codes for SCIP methods
type definitions for SCIP&#39;s main datastructure
type definitions for bandit selection algorithms
SCIP_DECL_BANDITSELECT(SCIPbanditSelectExp3IX)
Definition: bandit_exp3ix.c:85
SCIP_DECL_BANDITRESET(SCIPbanditResetExp3IX)
SCIP_DECL_BANDITUPDATE(SCIPbanditUpdateExp3IX)
#define SCIP_Real
Definition: def.h:173
SCIP_RETCODE SCIPbanditCreateExp3IX(BMS_BLKMEM *blkmem, BMS_BUFMEM *bufmem, SCIP_BANDITVTABLE *vtable, SCIP_BANDIT **exp3ix, SCIP_Real *priorities, int nactions, unsigned int initseed)
common defines and data types used in all packages of SCIP
struct BMS_BlkMem BMS_BLKMEM
Definition: memory.h:437
memory allocation routines