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/* avl.h (binary search tree) */
/***********************************************************************
* This code is part of GLPK (GNU Linear Programming Kit).
*
* Copyright (C) 2000-2013 Andrew Makhorin, Department for Applied
* Informatics, Moscow Aviation Institute, Moscow, Russia. All rights
* reserved. E-mail: <mao@gnu.org>.
*
* GLPK is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GLPK 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 General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GLPK. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************/
#ifndef AVL_H
#define AVL_H
typedef struct AVL AVL;
typedef struct AVLNODE AVLNODE;
#define avl_create_tree _glp_avl_create_tree
AVL *avl_create_tree(int (*fcmp)(void *info, const void *key1,
const void *key2), void *info);
/* create AVL tree */
#define avl_strcmp _glp_avl_strcmp
int avl_strcmp(void *info, const void *key1, const void *key2);
/* compare character string keys */
#define avl_insert_node _glp_avl_insert_node
AVLNODE *avl_insert_node(AVL *tree, const void *key);
/* insert new node into AVL tree */
#define avl_set_node_type _glp_avl_set_node_type
void avl_set_node_type(AVLNODE *node, int type);
/* assign the type field of specified node */
#define avl_set_node_link _glp_avl_set_node_link
void avl_set_node_link(AVLNODE *node, void *link);
/* assign the link field of specified node */
#define avl_find_node _glp_avl_find_node
AVLNODE *avl_find_node(AVL *tree, const void *key);
/* find node in AVL tree */
#define avl_get_node_type _glp_avl_get_node_type
int avl_get_node_type(AVLNODE *node);
/* retrieve the type field of specified node */
#define avl_get_node_link _glp_avl_get_node_link
void *avl_get_node_link(AVLNODE *node);
/* retrieve the link field of specified node */
#define avl_delete_node _glp_avl_delete_node
void avl_delete_node(AVL *tree, AVLNODE *node);
/* delete specified node from AVL tree */
#define avl_delete_tree _glp_avl_delete_tree
void avl_delete_tree(AVL *tree);
/* delete AVL tree */
#endif
/* eof */
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