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/*
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/*
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 * Copyright (C) 2006 Vojtech Mencl
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 * Copyright (C) 2007 Vojtech Mencl
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * are met:
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    /** Sum of all keys in the right subtree. */
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    /** Sum of all keys in the right subtree. */
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    uint64_t rgt_sum;
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    uint64_t rgt_sum;
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};
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};
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/** Relative key Extended AVL tree structure (ExtAvlrel). */
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/** Relative key Extended AVL tree structure (ExtAvlrel). */
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#ifdef AVLTREE_TEST
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struct extavlreltree
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struct extavlreltree
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{
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{
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    /*
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    /*
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     * ExtAvlrel root node pointer.
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     * ExtAvlrel root node pointer.
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     *
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     *
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/** Create empty Extended AVL tree.
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/** Create empty Extended AVL tree.
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 *
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 *
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 * @param t Extended AVL tree structure.
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 * @param t Extended AVL tree structure.
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 */
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 */
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void extavlreltree_create (extavlreltree_t *t)
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static inline void extavlreltree_create (extavlreltree_t *t)
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{
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{
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    t->root = NULL;
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    t->root = NULL;
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    t->head.next = &t->head;
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    t->head.next = &t->head;
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    t->head.prev = &t->head;
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    t->head.prev = &t->head;
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/** Initialize node.
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/** Initialize node.
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 *
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 *
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 * @param node Node which is initialized.
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 * @param node Node which is initialized.
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 */
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 */
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void extavlreltree_node_initialize(extavlreltree_node_t *node)
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static inline void extavlreltree_node_initialize(extavlreltree_node_t *node)
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{
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{
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    node->lft = NULL;
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    node->lft = NULL;
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    node->rgt = NULL;
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    node->rgt = NULL;
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    node->lft_height = 0;
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    node->lft_height = 0;
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    node->rgt_height = 0;
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    node->rgt_height = 0;