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Diffstat (limited to 'media/sphinxbase/src/libsphinxbase/lm/ngram_model_set.h')
-rw-r--r-- | media/sphinxbase/src/libsphinxbase/lm/ngram_model_set.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/media/sphinxbase/src/libsphinxbase/lm/ngram_model_set.h b/media/sphinxbase/src/libsphinxbase/lm/ngram_model_set.h new file mode 100644 index 000000000..5fbc7e5a4 --- /dev/null +++ b/media/sphinxbase/src/libsphinxbase/lm/ngram_model_set.h @@ -0,0 +1,71 @@ +/* -*- 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_set.h Set of language models. + * @author David Huggins-Daines <dhuggins@cs.cmu.edu> + */ + +#ifndef __NGRAM_MODEL_SET_H__ +#define __NGRAM_MODEL_SET_H__ + +#include "ngram_model_internal.h" +#include "lm3g_model.h" + +/** + * Subclass of ngram_model for grouping language models. + */ +typedef struct ngram_model_set_s { + ngram_model_t base; /**< Base ngram_model_t structure. */ + + int32 n_models; /**< Number of models in this set. */ + int32 cur; /**< Currently selected model, or -1 for none. */ + ngram_model_t **lms; /**< Language models in this set. */ + char **names; /**< Names for language models. */ + int32 *lweights; /**< Log interpolation weights. */ + int32 **widmap; /**< Word ID mapping for submodels. */ + int32 *maphist; /**< Word ID mapping for N-Gram history. */ +} ngram_model_set_t; + +/** + * Iterator over a model set. + */ +struct ngram_model_set_iter_s { + ngram_model_set_t *set; + int32 cur; +}; + +#endif /* __NGRAM_MODEL_SET_H__ */ |