ngram_model_dmp.h
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/*
* \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"
struct bigram_s {
uint16 wid;
uint16 prob2;
uint16 bo_wt2;
uint16 trigrams;
};
struct trigram_s {
uint16 wid;
uint16 prob3;
};
typedef struct ngram_model_dmp_s {
ngram_model_t base;
lm3g_model_t lm3g;
mmio_file_t *dump_mmap;
} ngram_model_dmp_t;
ngram_model_dmp_t *ngram_model_dmp_build(ngram_model_t *base);
#endif /* __NGRAM_MODEL_DMP_H__ */
trigram_s::wid
uint16 wid
Index of unigram entry for this.
Definition: ngram_model_dmp.h:69
mmio_file_s
Silvio Moioli: slightly updated.
Definition: mmio.c:200
bigram_s
Bigram structure.
Definition: ngram_model_arpa.h:52
trigram_s::prob3
uint16 prob3
Index into array of actual trigram probs.
Definition: ngram_model_arpa.h:68
ngram_model_dmp_s
Subclass of ngram_model for DMP file reading.
Definition: ngram_model_dmp.h:76
ngram_model_dmp_s::base
ngram_model_t base
Base ngram_model_t structure.
Definition: ngram_model_dmp.h:77
trigram_s
Trigram structure.
Definition: ngram_model_arpa.h:66
lm3g_model_s
Common internal structure for Sphinx 3-gram models.
Definition: lm3g_model.h:142
bigram_s::trigrams
uint16 trigrams
Index of 1st entry in lm_t.trigrams[], RELATIVE TO its segment base (see above)
Definition: ngram_model_arpa.h:56
bigram_s::prob2
uint16 prob2
Index into array of actual bigram probs.
Definition: ngram_model_arpa.h:54
bigram_s::bo_wt2
uint16 bo_wt2
Index into array of actual bigram backoff wts.
Definition: ngram_model_arpa.h:55
ngram_model_dmp_s::dump_mmap
mmio_file_t * dump_mmap
mmap() of dump file (or NULL if none)
Definition: ngram_model_dmp.h:79
bigram_s::wid
uint16 wid
Index of unigram entry for this.
Definition: ngram_model_dmp.h:55
ngram_model_dmp_s::lm3g
lm3g_model_t lm3g
Common lm3g_model_t structure.
Definition: ngram_model_dmp.h:78
ngram_model_s
Common implementation of ngram_model_t.
Definition: ngram_model_internal.h:55
mmio.h
Memory-mapped I/O wrappers for files.