Julius: libsent/include/sent/gprune.h Source File

00001 
00022 /*
00023  * Copyright (c) 1991-2006 Kawahara Lab., Kyoto University
00024  * Copyright (c) 2000-2005 Shikano Lab., Nara Institute of Science and Technology
00025  * Copyright (c) 2005-2006 Julius project team, Nagoya Institute of Technology, Nagoya Institute of Technology
00026  * All rights reserved
00027  */
00028 
00029 #ifndef __SENT_GAUSSIAN_PRUNE__
00030 #define __SENT_GAUSSIAN_PRUNE__
00031 
00042 enum{GPRUNE_SEL_UNDEF, GPRUNE_SEL_NONE, GPRUNE_SEL_SAFE, GPRUNE_SEL_HEURISTIC, GPRUNE_SEL_BEAM};
00043 
00045 typedef struct {
00046   LOGPROB score;                
00047   unsigned short id;            
00048 } MIXCACHE;
00049 
00057 #define TMBEAMWIDTH 5.0
00058 
00059 /* gprune_common.c */
00060 int cache_push(int id, LOGPROB score, int len);
00061 /* gprune_none.c */
00062 LOGPROB compute_g_base(HTK_HMM_Dens *binfo);
00063 boolean gprune_none_init();
00064 void gprune_none(HTK_HMM_Dens **g, int num, int *last_id);
00065 /* gprune_safe.c */
00066 LOGPROB compute_g_safe(HTK_HMM_Dens *binfo, LOGPROB thres);
00067 boolean gprune_safe_init();
00068 void gprune_safe(HTK_HMM_Dens **g, int gnum, int *last_id);
00069 /* gprune_heu.c */
00070 boolean gprune_heu_init();
00071 void gprune_heu(HTK_HMM_Dens **g, int gnum, int *last_id);
00072 /* gprune_beam.c */
00073 boolean gprune_beam_init();
00074 void gprune_beam(HTK_HMM_Dens **g, int gnum, int *last_id);
00075 
00076 
00077 #endif /*__SENT_GAUSSIAN_PRUNE__*/