/** * Tests if the two avl tree are equal. */ bool_t _avl_tree_equal(const _avl_tree_t* cpt_first, const _avl_tree_t* cpt_second) { _avl_tree_iterator_t it_first; _avl_tree_iterator_t it_first_begin; _avl_tree_iterator_t it_first_end; _avl_tree_iterator_t it_second; _avl_tree_iterator_t it_second_begin; _avl_tree_iterator_t it_second_end; bool_t b_less = false; bool_t b_greater = false; assert(cpt_first != NULL); assert(cpt_second != NULL); assert(_avl_tree_is_inited(cpt_first)); assert(_avl_tree_is_inited(cpt_second)); assert(_avl_tree_same_type_ex(cpt_first, cpt_second)); if (cpt_first == cpt_second) { return true; } /* test avl tree size */ if (_avl_tree_size(cpt_first) != _avl_tree_size(cpt_second)) { return false; } it_first_begin = _avl_tree_begin(cpt_first); it_first_end = _avl_tree_end(cpt_first); it_second_begin = _avl_tree_begin(cpt_second); it_second_end = _avl_tree_end(cpt_second); /* test each element */ for (it_first = it_first_begin, it_second = it_second_begin; !_avl_tree_iterator_equal(it_first, it_first_end) && !_avl_tree_iterator_equal(it_second, it_second_end); it_first = _avl_tree_iterator_next(it_first), it_second = _avl_tree_iterator_next(it_second)) { b_less = b_greater = _GET_AVL_TREE_TYPE_SIZE(cpt_first); _GET_AVL_TREE_TYPE_LESS_FUNCTION(cpt_first)( ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_first))->_pby_data, ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_second))->_pby_data, &b_less); _GET_AVL_TREE_TYPE_LESS_FUNCTION(cpt_first)( ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_second))->_pby_data, ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_first))->_pby_data, &b_greater); if (b_less || b_greater) { return false; } } assert(_avl_tree_iterator_equal(it_first, it_first_end) && _avl_tree_iterator_equal(it_second, it_second_end)); return true; }
/** * Tests if the first avl tree is less than the second avl tree. */ bool_t _avl_tree_less(const _avl_tree_t* cpt_first, const _avl_tree_t* cpt_second) { _avl_tree_iterator_t it_first; _avl_tree_iterator_t it_first_begin; _avl_tree_iterator_t it_first_end; _avl_tree_iterator_t it_second; _avl_tree_iterator_t it_second_begin; _avl_tree_iterator_t it_second_end; bool_t b_result = false; assert(cpt_first != NULL); assert(cpt_second != NULL); assert(_avl_tree_is_inited(cpt_first)); assert(_avl_tree_is_inited(cpt_second)); assert(_avl_tree_same_type_ex(cpt_first, cpt_second)); it_first_begin = _avl_tree_begin(cpt_first); it_first_end = _avl_tree_end(cpt_first); it_second_begin = _avl_tree_begin(cpt_second); it_second_end = _avl_tree_end(cpt_second); /* test each element */ for (it_first = it_first_begin, it_second = it_second_begin; !_avl_tree_iterator_equal(it_first, it_first_end) && !_avl_tree_iterator_equal(it_second, it_second_end); it_first = _avl_tree_iterator_next(it_first), it_second = _avl_tree_iterator_next(it_second)) { b_result = _GET_AVL_TREE_TYPE_SIZE(cpt_first); _GET_AVL_TREE_TYPE_LESS_FUNCTION(cpt_first)( ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_first))->_pby_data, ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_second))->_pby_data, &b_result); if (b_result) { return true; } b_result = _GET_AVL_TREE_TYPE_SIZE(cpt_first); _GET_AVL_TREE_TYPE_LESS_FUNCTION(cpt_first)( ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_second))->_pby_data, ((_avlnode_t*)_AVL_TREE_ITERATOR_COREPOS(it_first))->_pby_data, &b_result); if (b_result) { return false; } } return _avl_tree_size(cpt_first) < _avl_tree_size(cpt_second) ? true : false; }
/** * Initialize avl tree container. */ void _avl_tree_init(_avl_tree_t* pt_avl_tree, bfun_t t_compare) { assert(pt_avl_tree != NULL); assert(_avl_tree_is_created(pt_avl_tree)); pt_avl_tree->_t_avlroot._pt_left = &pt_avl_tree->_t_avlroot; pt_avl_tree->_t_avlroot._pt_right = &pt_avl_tree->_t_avlroot; if (t_compare != NULL) { pt_avl_tree->_t_compare = t_compare; } else { pt_avl_tree->_t_compare = _GET_AVL_TREE_TYPE_LESS_FUNCTION(pt_avl_tree); } }
/** * Element compare function auxiliary */ void _avl_tree_elem_compare_auxiliary( const _avl_tree_t* cpt_avl_tree, const void* cpv_first, const void* cpv_second, void* pv_output) { assert(cpt_avl_tree != NULL); assert(cpv_first != NULL); assert(cpv_second != NULL); assert(pv_output != NULL); assert(_avl_tree_is_inited(cpt_avl_tree)); if (strncmp(_GET_AVL_TREE_TYPE_BASENAME(cpt_avl_tree), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0 && cpt_avl_tree->_t_compare != _GET_AVL_TREE_TYPE_LESS_FUNCTION(cpt_avl_tree)) { cpt_avl_tree->_t_compare(string_c_str((string_t*)cpv_first), string_c_str((string_t*)cpv_second), pv_output); } else { cpt_avl_tree->_t_compare(cpv_first, cpv_second, pv_output); } }