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/*
* Copyright 2002 Adrian Thurston <thurston@cs.queensu.ca>
*/
/* This file is part of Aapl.
*
* Aapl is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* Aapl is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Aapl; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _AAPL_AVLMEL_H
#define _AAPL_AVLMEL_H
#include "compare.h"
/**
* \addtogroup avltree
* @{
*/
/**
* \class AvlMel
* \brief AVL tree for elements appearing in multiple trees.
*
* AvlMel allows for an element to simultaneously be in multiple trees without
* the trees interferring with one another. For each tree that the element is
* to appear in, there must be a distinct set of AVL Tree management data that
* can be unambiguously referenced with some base class name. This name
* is passed to the tree as a template parameter and is used in the tree
* algorithms.
*
* The element must use the same key type and value in each tree that it
* appears in. If distinct keys are required, the AvlMelKey structure is
* available.
*
* AvlMel does not assume ownership of elements in the tree. The destructor
* will not delete the elements. If the user wishes to explicitly deallocate
* all the items in the tree the empty() routine is available.
*
* \include ex_avlmel.cpp
*/
/*@}*/
#define BASE_EL(name) BaseEl::name
#define BASEKEY(name) name
#define AVLMEL_CLASSDEF class Element, class Key, \
class BaseEl, class Compare = CmpOrd<Key>
#define AVLMEL_TEMPDEF class Element, class Key, \
class BaseEl, class Compare
#define AVLMEL_TEMPUSE Element, Key, BaseEl, Compare
#define AvlTree AvlMel
#include "avlcommon.h"
#undef BASE_EL
#undef BASEKEY
#undef AVLMEL_CLASSDEF
#undef AVLMEL_TEMPDEF
#undef AVLMEL_TEMPUSE
#undef AvlTree
#endif /* _AAPL_AVLMEL_H */
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