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							188 lines
						
					
					
						
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							188 lines
						
					
					
						
							3.9 KiB
						
					
					
				/*
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 *	This file is part of qpOASES.
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 *
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 *	qpOASES -- An Implementation of the Online Active Set Strategy.
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 *	Copyright (C) 2007-2008 by Hans Joachim Ferreau et al. All rights reserved.
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 *
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 *	qpOASES is free software; you can redistribute it and/or
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 *	modify it under the terms of the GNU Lesser General Public
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 *	License as published by the Free Software Foundation; either
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 *	version 2.1 of the License, or (at your option) any later version.
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 *
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 *	qpOASES is distributed in the hope that it will be useful,
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 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 *	Lesser General Public License for more details.
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 *
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 *	You should have received a copy of the GNU Lesser General Public
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 *	License along with qpOASES; if not, write to the Free Software
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 *	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 */
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/**
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 *	\file SRC/CyclingManager.cpp
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 *	\author Hans Joachim Ferreau
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 *	\version 1.3embedded
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 *	\date 2007-2008
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 *
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 *	Implementation of the CyclingManager class designed to detect
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 *	and handle possible cycling during QP iterations.
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 *
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 */
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#include <CyclingManager.hpp>
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/*****************************************************************************
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 *  P U B L I C                                                              *
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 *****************************************************************************/
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/*
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 *	C y c l i n g M a n a g e r
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 */
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CyclingManager::CyclingManager( ) :	nV( 0 ),
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									nC( 0 )
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{
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	cyclingDetected = BT_FALSE;
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}
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/*
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 *	C y c l i n g M a n a g e r
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 */
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CyclingManager::CyclingManager( const CyclingManager& rhs ) :	nV( rhs.nV ),
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																nC( rhs.nC ),
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																cyclingDetected( rhs.cyclingDetected )
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{
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	int i;
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	for( i=0; i<nV+nC; ++i )
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		status[i] = rhs.status[i];
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}
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/*
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 *	~ C y c l i n g M a n a g e r
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 */
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CyclingManager::~CyclingManager( )
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{
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}
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/*
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 *	o p e r a t o r =
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 */
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CyclingManager& CyclingManager::operator=( const CyclingManager& rhs )
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{
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	int i;
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	if ( this != &rhs )
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	{
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		nV = rhs.nV;
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		nC = rhs.nC;
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		for( i=0; i<nV+nC; ++i )
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			status[i] = rhs.status[i];
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		cyclingDetected = rhs.cyclingDetected;
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	}
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	return *this;
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}
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/*
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 *	i n i t
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 */
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returnValue CyclingManager::init( int _nV, int _nC )
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{
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	nV = _nV;
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	nC = _nC;
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	cyclingDetected = BT_FALSE;
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	return SUCCESSFUL_RETURN;
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}
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/*
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 *	s e t C y c l i n g S t a t u s
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 */
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returnValue CyclingManager::setCyclingStatus(	int number,
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												BooleanType isBound, CyclingStatus _status
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												)
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{
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	if ( isBound == BT_TRUE )
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	{
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		/* Set cycling status of a bound. */
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		if ( ( number >= 0 ) && ( number < nV ) )
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		{
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			status[number] = _status;
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			return SUCCESSFUL_RETURN;
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		}
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		else
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			return THROWERROR( RET_INDEX_OUT_OF_BOUNDS );
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	}
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	else
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	{
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		/* Set cycling status of a constraint. */
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		if ( ( number >= 0 ) && ( number < nC ) )
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		{
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			status[nV+number] = _status;
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			return SUCCESSFUL_RETURN;
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		}
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		else
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			return THROWERROR( RET_INDEX_OUT_OF_BOUNDS );
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	}
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}
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/*
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 *	g e t C y c l i n g S t a t u s
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 */
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CyclingStatus CyclingManager::getCyclingStatus( int number, BooleanType isBound ) const
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{
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	if ( isBound == BT_TRUE )
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	{
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		/* Return cycling status of a bound. */
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		if ( ( number >= 0 ) && ( number < nV ) )
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			return status[number];
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	}
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	else
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	{
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		/* Return cycling status of a constraint. */
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		if ( ( number >= 0 ) && ( number < nC ) )
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			return status[nV+number];
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	}
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	return CYC_NOT_INVOLVED;
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}
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/*
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 *	c l e a r C y c l i n g D a t a
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 */
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returnValue CyclingManager::clearCyclingData( )
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{
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	int i;
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	/* Reset all status values ... */
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	for( i=0; i<nV+nC; ++i )
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		status[i] = CYC_NOT_INVOLVED;
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	/* ... and the main cycling flag. */
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	cyclingDetected = BT_FALSE;
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	return SUCCESSFUL_RETURN;
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}
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/*
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 *	end of file
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 */
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