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src/libsphinxbase/lm/ngram_model_dmp.h

00001 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
00002 /* ====================================================================
00003  * Copyright (c) 1999-2007 Carnegie Mellon University.  All rights
00004  * reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  *
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer. 
00012  *
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in
00015  *    the documentation and/or other materials provided with the
00016  *    distribution.
00017  *
00018  * This work was supported in part by funding from the Defense Advanced 
00019  * Research Projects Agency and the National Science Foundation of the 
00020  * United States of America, and the CMU Sphinx Speech Consortium.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 
00023  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
00024  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00025  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
00026  * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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00028  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
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00032  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  *
00034  * ====================================================================
00035  *
00036  */
00037 /*
00038  * \file ngram_model_dmp.h DMP format for N-Gram models
00039  *
00040  * Author: David Huggins-Daines <dhuggins@cs.cmu.edu>
00041  */
00042 
00043 #ifndef __NGRAM_MODEL_DMP_H__
00044 #define __NGRAM_MODEL_DMP_H__
00045 
00046 #include "ngram_model_internal.h"
00047 #include "lm3g_model.h"
00048 #include "mmio.h"
00049 
00053 struct bigram_s {
00054     uint16 wid; 
00055     uint16 prob2;       
00056     uint16 bo_wt2;      
00057     uint16 trigrams;    
00059 };
00060 
00067 struct trigram_s {
00068     uint16 wid;   
00069     uint16 prob3; 
00070 };
00071 
00075 typedef struct ngram_model_dmp_s {
00076     ngram_model_t base;  
00077     lm3g_model_t lm3g;   
00078     mmio_file_t *dump_mmap; 
00079 } ngram_model_dmp_t;
00080 
00088 ngram_model_dmp_t *ngram_model_dmp_build(ngram_model_t *base);
00089 
00090 
00091 #endif /*  __NGRAM_MODEL_DMP_H__ */

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