| /* -*- 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 <dhdaines@gmail.com> | |
| */ | |
| /** | |
| * 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; | |
| }; | |