lm_trie_quant.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 __LM_TRIE_QUANT_H__
#define __LM_TRIE_QUANT_H__

#include <sphinxbase/bitarr.h>

#include "ngrams_raw.h"

typedef struct lm_trie_quant_s lm_trie_quant_t;

lm_trie_quant_t *lm_trie_quant_create(int order);

lm_trie_quant_t *lm_trie_quant_read_bin(FILE * fp, int order);

void lm_trie_quant_write_bin(lm_trie_quant_t * quant, FILE * fp);

void lm_trie_quant_free(lm_trie_quant_t * quant);

uint8 lm_trie_quant_msize(lm_trie_quant_t * quant);

uint8 lm_trie_quant_lsize(lm_trie_quant_t * quant);

void lm_trie_quant_train(lm_trie_quant_t * quant, int order, uint32 counts,
                         ngram_raw_t * raw_ngrams);

void lm_trie_quant_train_prob(lm_trie_quant_t * quant, int order,
                              uint32 counts, ngram_raw_t * raw_ngrams);

void lm_trie_quant_mwrite(lm_trie_quant_t * quant,
                          bitarr_address_t address, int order_minus_2,
                          float prob, float backoff);

void lm_trie_quant_lwrite(lm_trie_quant_t * quant,
                          bitarr_address_t address, float prob);

float lm_trie_quant_mboread(lm_trie_quant_t * quant,
                            bitarr_address_t address, int order_minus_2);

float lm_trie_quant_mpread(lm_trie_quant_t * quant,
                           bitarr_address_t address, int order_minus_2);

float lm_trie_quant_lpread(lm_trie_quant_t * quant,
                           bitarr_address_t address);

#endif                          /* __LM_TRIE_QUANT_H__ */