ngrams_raw.h

/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
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 * This work was supported in part by funding from the Defense Advanced 
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 * United States of America, and the CMU Sphinx Speech Consortium.
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#ifndef __NGRAMS_RAW_H__
#define __NGRAMS_RAW_H__

#include <sphinxbase/hash_table.h>
#include <sphinxbase/logmath.h>
#include <sphinxbase/prim_type.h>
#include <sphinxbase/pio.h>
#include <sphinxbase/err.h>

typedef struct ngram_raw_s {
    uint32 *words;              /* array of word indexes, length corresponds to ngram order */
    float32 prob;
    float32 backoff;
    uint32 order;
} ngram_raw_t;

typedef union {
    float32 f;
    int32 l;
} dmp_weight_t;

int ngram_ord_comparator(const void *a_raw, const void *b_raw);

ngram_raw_t **ngrams_raw_read_arpa(lineiter_t ** li, logmath_t * lmath,
                                   uint32 * counts, int order,
                                   hash_table_t * wid);

ngram_raw_t **ngrams_raw_read_dmp(FILE * fp, logmath_t * lmath,
                                  uint32 * counts, int order,
                                  uint32 * unigram_next, uint8 do_swap);

void ngrams_raw_free(ngram_raw_t ** raw_ngrams, uint32 * counts,
                     int order);

#endif                          /* __LM_NGRAMS_RAW_H__ */