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								/****************************************
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								  File:     tries.yap
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								  Author:   Ricardo Rocha
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								  Comments: Tries module for Yap Prolog
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								  version:  $ID$
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								****************************************/
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											2002-12-12 20:47:36 +00:00
										 
									 
								 
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								:- module(tries, [
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										  trie_open/1,
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										  trie_close/1,
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										  trie_close_all/0,
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										  trie_empty/1,
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										  trie_mode/1,
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										  trie_put_entry/3,
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										  trie_check_entry/3,
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										  trie_get_entry/2,
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										  trie_get_first_entry/2,
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										  trie_get_last_entry/2,
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											2008-02-22 18:47:24 +00:00
										 
									 
								 
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										  trie_traverse/2,
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										  trie_traverse/3,
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										  trie_remove_entry/1,
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										  trie_remove_subtree/1,
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										  trie_join/2,
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										  trie_intersect/2,
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										  trie_count_join/3,
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										  trie_count_intersect/3,
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										  trie_dup/2,
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										  trie_save/2,
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										  trie_load/2,
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										  trie_stats/4,
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										  trie_max_stats/4,
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										  trie_usage/4,
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										  trie_print/1,
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										  open_trie/1,
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										  close_trie/1,
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										  close_all_tries/0,
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										  put_trie_entry/4,
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										  get_trie_entry/3,
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										  remove_trie_entry/1,
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										  print_trie/1,
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								          trie_traverse_mode/1,
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								          trie_disable_hash/0,
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								          trie_enable_hash/0,
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								          trie_traverse_first/2,
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								          trie_traverse_next/2,
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								          trie_to_list/2,
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								          trie_to_depth_breadth_trie/4,
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								          trie_to_depth_breadth_trie/6,
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								          trie_get_depth_breadth_reduction_entry/1,
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								          trie_get_depth_breadth_reduction_opt_level_count/2,
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								          trie_replace_nested_trie/3
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								          ]).
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								:- load_foreign_files([tries], [], init_tries).
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								trie_empty(Trie) :-
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									trie_usage(Trie, 0, 0, _).
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								trie_dup(Trie, CopyTrie) :-
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									trie_open(CopyTrie),
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									trie_join(CopyTrie, Trie).
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								trie_traverse(Trie, Ref) :- 
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									trie_traverse(Trie, 0, Ref).
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								trie_to_depth_breadth_trie(Trie, DepthBreadthTrie, FinalLabel, OptimizationLevel) :-
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								  integer(OptimizationLevel),
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								  trie_dup(Trie, CopyTrie),
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								  trie_open(DepthBreadthTrie),
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								  trie_depth_breadth(CopyTrie, DepthBreadthTrie, FinalLabel, OptimizationLevel, 0, _),
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								  trie_close(CopyTrie).
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								trie_to_depth_breadth_trie(Trie, DepthBreadthTrie, FinalLabel, OptimizationLevel, StartCounter, EndCounter) :-
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								  trie_depth_breadth(Trie, DepthBreadthTrie, FinalLabel, OptimizationLevel, StartCounter, EndCounter).
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