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-/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/* ====================================================================
- * Copyright (c) 1999-2007 Carnegie Mellon University. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * This work was supported in part by funding from the Defense Advanced
- * Research Projects Agency and the National Science Foundation of the
- * United States of America, and the CMU Sphinx Speech Consortium.
- *
- * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
- * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
- * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * ====================================================================
- *
- */
-/*
- * \file ngram_model_dmp.h DMP format for N-Gram models
- *
- * Author: David Huggins-Daines <dhuggins@cs.cmu.edu>
- */
-
-#ifndef __NGRAM_MODEL_DMP_H__
-#define __NGRAM_MODEL_DMP_H__
-
-#include "sphinxbase/mmio.h"
-
-#include "ngram_model_internal.h"
-#include "lm3g_model.h"
-
-/**
- * On-disk representation of bigrams.
- */
-struct bigram_s {
- uint16 wid; /**< Index of unigram entry for this. (NOT dictionary id.) */
- uint16 prob2; /**< Index into array of actual bigram probs */
- uint16 bo_wt2; /**< Index into array of actual bigram backoff wts */
- uint16 trigrams; /**< Index of 1st entry in lm_t.trigrams[],
- RELATIVE TO its segment base (see lm3g_model.h) */
-};
-
-/**
- * On-disk representation of trigrams.
- *
- * As with bigrams, trigram prob info kept in a separate table for conserving
- * memory space.
- */
-struct trigram_s {
- uint16 wid; /**< Index of unigram entry for this. (NOT dictionary id.) */
- uint16 prob3; /**< Index into array of actual trigram probs */
-};
-
-/**
- * Subclass of ngram_model for DMP file reading.
- */
-typedef struct ngram_model_dmp_s {
- ngram_model_t base; /**< Base ngram_model_t structure */
- lm3g_model_t lm3g; /**< Common lm3g_model_t structure */
- mmio_file_t *dump_mmap; /**< mmap() of dump file (or NULL if none) */
-} ngram_model_dmp_t;
-
-/**
- * Construct a DMP format model from a generic base model.
- *
- * Note: If base is already a DMP format model, this just calls
- * ngram_model_retain(), and any changes will also be made in the base
- * model.
- */
-ngram_model_dmp_t *ngram_model_dmp_build(ngram_model_t *base);
-
-
-#endif /* __NGRAM_MODEL_DMP_H__ */