segGrammar.c File Reference

Functions to load a bigram grammar file. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "segCommon.h"
#include "segStdLib.h"
#include "segGrammar.h"

Functions
static void	freeGrammar (SEG_GRAMMAR *grammar)
	Free memory space of bigram grammar (bigram posterior probability table).
int	segReadGrammar (SEG_GRAMMAR *grammar, char *gramFName, SEG_MODEL_SET *models)
	Read bigram grammar (bigram posterior probability table).

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Detailed Description

Functions to load a bigram grammar file.

Author:

Yoshinori Shiga @ CVSSP, University of Surrey

Date:

30 June 2007

Note:

This code is written based on M Russell and P Jackson's SEGVit ver.3.4.

Revision

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Function Documentation

static void freeGrammar

(

SEG_GRAMMAR *

grammar

)

[static]

Free memory space of bigram grammar (bigram posterior probability table).

This function frees memory space of the variable of struct grammar (SEG_GRAMMAR).

Parameters:

[in]

grammar

Grammar (bigram posterior probability table)

Returns:

No return

int segReadGrammar	(	SEG_GRAMMAR *	grammar,
		char *	gramFName,
		SEG_MODEL_SET *	models
	)

Read bigram grammar (bigram posterior probability table).

This function loads bigram probability table, and store it in a variable of struct grammar (SEG_GRAMMAR).

Parameters:

[in]	grammar	Grammar (bigram posterior probability table)
[in]	gramFName	Name of the grammar file
[in]	models	Model set

Return values:

	ERROR_ALLOC	Memory allocation error
	ERROR_FOPEN	File open error
	RTN_ERROR	File read error (bad format)
	NO_ERROR	Successfully executed

Author:

Yoshinori Shiga @ CVSSP, University of Surrey

Note:

This function calls logProb() and freeGrammar() internally.

See also:

logProb() and freeGrammar()

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