Detailed Description

internal methods for Exp.3-IX bandit algorithm

Author: Antonia Chmiela

#include "blockmemshell/memory.h"
#include "scip/def.h"
#include "scip/type_bandit.h"
#include "scip/type_retcode.h"
#include "scip/type_scip.h"

Go to the source code of this file.

Functions
SCIP_RETCODE	SCIPincludeBanditvtableExp3IX (SCIP *scip)
	SCIP_DECL_BANDITFREE (SCIPbanditFreeExp3IX)
	SCIP_DECL_BANDITSELECT (SCIPbanditSelectExp3IX)
	SCIP_DECL_BANDITUPDATE (SCIPbanditUpdateExp3IX)
	SCIP_DECL_BANDITRESET (SCIPbanditResetExp3IX)
SCIP_RETCODE	SCIPbanditCreateExp3IX (BMS_BLKMEM blkmem, BMS_BUFMEM bufmem, SCIP_BANDITVTABLE vtable, SCIP_BANDIT exp3ix, SCIP_Real priorities, int nactions, unsigned int initseed)

Function Documentation

◆ SCIPincludeBanditvtableExp3IX()

SCIP_RETCODE SCIPincludeBanditvtableExp3IX ( SCIP * scip )

include virtual function table for Exp.3-IX bandit algorithms

Parameters

scip	SCIP data structure

Definition at line 293 of file bandit_exp3ix.c.

References assert(), BANDIT_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPincludeBanditvtable(), and SCIPincludeBanditvtableExp3IX().

Referenced by SCIPincludeBanditvtableExp3IX(), and SCIPincludeCorePlugins().

◆ SCIP_DECL_BANDITFREE()

SCIP_DECL_BANDITFREE ( SCIPbanditFreeExp3IX )

callback to free bandit specific data structures

Definition at line 65 of file bandit_exp3ix.c.

References assert(), BMSfreeBlockMemory, BMSfreeBlockMemoryArray, NULL, SCIP_DECL_BANDITFREE, SCIP_OKAY, SCIPbanditGetData(), SCIPbanditGetNActions(), and SCIPbanditSetData().

◆ SCIP_DECL_BANDITSELECT()

SCIP_DECL_BANDITSELECT ( SCIPbanditSelectExp3IX )

selection callback for bandit selector

Definition at line 85 of file bandit_exp3ix.c.

References assert(), i, NULL, SCIP_DECL_BANDITSELECT, SCIP_OKAY, SCIP_Real, SCIPbanditGetData(), SCIPbanditGetNActions(), SCIPbanditGetRandnumgen(), SCIPrandomGetReal(), and selection.

◆ SCIP_DECL_BANDITUPDATE()

SCIP_DECL_BANDITUPDATE ( SCIPbanditUpdateExp3IX )

update callback for bandit algorithm

Definition at line 148 of file bandit_exp3ix.c.

References assert(), NULL, SCIP_DECL_BANDITUPDATE, SCIP_OKAY, SCIP_Real, SCIPbanditGetData(), SCIPbanditGetNActions(), SCIPcomputeGamma(), and selection.

◆ SCIP_DECL_BANDITRESET()

SCIP_DECL_BANDITRESET ( SCIPbanditResetExp3IX )

reset callback for bandit algorithm

Definition at line 196 of file bandit_exp3ix.c.

References assert(), i, NULL, SCIP_DECL_BANDITRESET, SCIP_OKAY, SCIP_Real, SCIPbanditGetData(), and SCIPbanditGetNActions().

◆ SCIPbanditCreateExp3IX()

SCIP_RETCODE SCIPbanditCreateExp3IX	(	BMS_BLKMEM *	blkmem,
		BMS_BUFMEM *	bufmem,
		SCIP_BANDITVTABLE *	vtable,
		SCIP_BANDIT **	exp3ix,
		SCIP_Real *	priorities,
		int	nactions,
		unsigned int	initseed )

direct bandit creation method for the core where no SCIP pointer is available

Parameters

blkmem	block memory data structure
bufmem	buffer memory
vtable	virtual function table for callback functions of Exp.3-IX
exp3ix	pointer to store bandit algorithm
priorities	nonnegative priorities for each action, or NULL if not needed
nactions	the positive number of actions for this bandit algorithm
initseed	initial random seed

Definition at line 230 of file bandit_exp3ix.c.

References assert(), BMSallocBlockMemory, BMSallocBlockMemoryArray, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPbanditCreate(), and SCIPbanditCreateExp3IX().

Referenced by SCIPbanditCreateExp3IX(), and SCIPcreateBanditExp3IX().