astar.h

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00001 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
00002 /* ====================================================================
00003  * Copyright (c) 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,
00027  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
00028  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
00029  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
00030  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
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00032  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  *
00034  * ====================================================================
00035  *
00036  */
00037 
00042 #ifndef __ASTAR_H__
00043 #define __ASTAR_H__
00044 
00045 #include <s3types.h>
00046 #include "dag.h"
00047 #include "dict.h"
00048 #include "lm.h"
00049 #include "fillpen.h"
00050 
00051 
00052 #ifdef __cplusplus
00053 extern "C" {
00054 #endif
00055 #if 0
00056 /* Fool Emacs. */
00057 }
00058 #endif
00059 
00063 typedef struct astar_s astar_t;
00064 
00068 S3DECODER_EXPORT
00069 astar_t *astar_init(dag_t *dag, dict_t *dict, lm_t *lm,
00070                     fillpen_t *fpen,
00071                     float64 beam, 
00072                     float64 lwf   
00073     );
00074 
00078 S3DECODER_EXPORT
00079 void astar_free(astar_t *astar);
00080 
00086 S3DECODER_EXPORT
00087 glist_t astar_next_hyp(astar_t *astar);
00088 
00093 S3DECODER_EXPORT
00094 void nbest_search(dag_t *dag, char *filename, char *uttid, float64 lwf,
00095                   dict_t *dict, lm_t *lm, fillpen_t *fpen);
00096 
00097 #ifdef __cplusplus
00098 }
00099 #endif
00100 
00101 
00102 #endif /* __ASTAR_H__ */

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