mdiadaptlm Class Reference

#include <mdiadapt.h>

Inheritance diagram for mdiadaptlm:

Collaboration diagram for mdiadaptlm:

List of all members.

Public Member Functions

mdiadaptlm (char *ngtfile, int depth=0, TABLETYPE tt=FULL)

double zeta (ngram ng, int size)

int discount (ngram ng, int size, double &fstar, double &lambda, int cv=0)

int bodiscount (ngram ng, int size, double &fstar, double &lambda, double &bo)

int compute_backoff ()

double backunig (ngram ng)

double foreunig (ngram ng)

int adapt (char *ngtfile, int alev=1, double gis_step=0.4)

int scalefact (char *ngtfile)

double scalefact (ngram ng)

double prob (ngram ng, int size)

double prob (ngram ng, int size, double &fstar, double &lambda, double &bo)

double prob2 (ngram ng, int size, double &fstar)

double txclprob (ngram ng, int size)

int saveASR (char *filename, int backoff, char *subdictfile=NULL)

int saveMT (char *filename, int backoff, char *subdictfile=NULL, int resolution=10000000, double decay=0.999900)

int saveARPA (char *filename, int backoff=0, char *subdictfile=NULL)

int netsize ()

~mdiadaptlm ()

double myround (double x)

Public Attributes

normcache * cache

double gis_step

Constructor & Destructor Documentation

mdiadaptlm::mdiadaptlm	(	char *	ngtfile,
		int	depth = `0`,
		TABLETYPE	tt = `FULL`
	)

References cache, and NULL.

mdiadaptlm::~mdiadaptlm ( ) [inline]

References cache.

Member Function Documentation

int mdiadaptlm::adapt	(	char *	ngtfile,
		int	alev = `1`,
		double	gis_step = `0.4`
	)

References backunig(), ngramtable::dict, gis_step, interplm::lmsize(), NULL, scalefact(), dictionary::size(), ngram::wordp(), and zeta().

Referenced by main().

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double mdiadaptlm::backunig ( ngram ng )

References discount().

Referenced by adapt(), and scalefact().

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int mdiadaptlm::bodiscount	(	ngram	ng,
		int	size,
		double &	fstar,
		double &	lambda,
		double &	bo
	)

References interplm::backoff, ngramtable::boff(), ngramtable::dict, discount(), ngram::link, and ngram::trans().

Referenced by prob(), saveARPA(), saveASR(), and saveMT().

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int mdiadaptlm::compute_backoff ( )

References interplm::backoff, ngramtable::boff(), CONT, ngramtable::dict, discount(), INIT, ngram::link, interplm::lmsize(), prob(), ngram::pushc(), ngramtable::scan(), and ngramtable::succscan().

Referenced by main().

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int mdiadaptlm::discount	(	ngram	ng,
		int	size,
		double &	fstar,
		double &	lambda,
		int	cv = `0`
	)			`[virtual]`

Reimplemented from interplm.

Reimplemented in linearwb, mixture, shiftone, shiftbeta, symshiftbeta, and mshiftbeta.

References ngramtable::dict, scalefact(), ngram::trans(), and zeta().

Referenced by backunig(), bodiscount(), compute_backoff(), netsize(), prob2(), saveASR(), saveMT(), txclprob(), and zeta().

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double mdiadaptlm::foreunig ( ngram ng )

References interplm::discount().

Referenced by scalefact().

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double mdiadaptlm::myround ( double x ) [inline]

Reimplemented from ngramtable.

int mdiadaptlm::netsize ( ) [virtual]

Reimplemented from interplm.

References CONT, ngramtable::dict, discount(), INIT, ngramtable::maxlevel(), ngramtable::scan(), and dictionary::size().

Referenced by main().

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double mdiadaptlm::prob	(	ngram	ng,
		int	size,
		double &	fstar,
		double &	lambda,
		double &	bo
	)

References interplm::backoff, bodiscount(), and prob().

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double mdiadaptlm::prob	(	ngram	ng,
		int	size
	)			`[virtual]`

Reimplemented from interplm.

Referenced by compute_backoff(), main(), prob(), prob2(), saveARPA(), saveASR(), saveMT(), and mixture::train().

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double mdiadaptlm::prob2	(	ngram	ng,
		int	size,
		double &	fstar
	)

References discount(), and prob().

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int mdiadaptlm::saveARPA	(	char *	filename,
		int	backoff = `0`,
		char *	subdictfile = `NULL`
	)

References bodiscount(), CONT, ngram::containsWord(), dictionary::decode(), ngramtable::dict, dictionary::EoS(), INIT, interplm::lmsize(), dictionary::OOV(), dictionary::oovcode(), prob(), ngram::pushc(), ngramtable::scan(), dictionary::size(), ngram::trans(), and ngram::wordp().

Referenced by main().

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int mdiadaptlm::saveASR	(	char *	filename,
		int	backoff,
		char *	subdictfile = `NULL`
	)

References bodiscount(), ngramtable::boff(), CONT, ngram::containsWord(), dictionary::decode(), ngramtable::dict, discount(), fseek(), ftell(), fwritex(), ifwrite(), INIT, interplm::lmsize(), dictionary::OOV(), dictionary::oovcode(), prob(), ngramtable::scan(), ngram::size, dictionary::size(), ngramtable::succ1(), ngramtable::succ2(), ngramtable::succscan(), ngram::trans(), ngram::wordp(), and writeNull().

Referenced by main().

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int mdiadaptlm::saveMT	(	char *	filename,
		int	backoff,
		char *	subdictfile = `NULL`,
		int	resolution = `10000000`,
		double	decay = `0.999900`
	)

write backoff of higher order!!

References BACKOFF_, bodiscount(), CONT, ngramtable::dict, discount(), DUMMY_, dictionary::encode(), dictionary::freq(), ngram::freq, dictionary::incflag(), INIT, interplm::lmsize(), ngramtable::maxlevel(), dictionary::OOV(), OOV_, dictionary::oovcode(), prob(), ngram::pushc(), ngramtable::put(), dictionary::save(), ngramtable::scan(), ngram::size, ngram::trans(), and ngram::wordp().

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double mdiadaptlm::scalefact ( ngram ng )

References backunig(), ngramtable::dict, foreunig(), gis_step, dictionary::oovcode(), ngram::trans(), and ngram::wordp().

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int mdiadaptlm::scalefact ( char * ngtfile )

References backunig(), cache, ngramtable::dict, foreunig(), NULL, dictionary::oovcode(), dictionary::size(), interplm::train(), ngram::trans(), and ngram::wordp().

Referenced by adapt(), discount(), and zeta().

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double mdiadaptlm::txclprob	(	ngram	ng,
		int	size
	)

References ngramtable::dict, discount(), dictionary::dub(), ngram::freq, ngramtable::freq(), dictionary::oovcode(), dictionary::size(), ngramtable::totfreq(), and ngram::wordp().

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double mdiadaptlm::zeta	(	ngram	ng,
		int	size
	)

References cache, CONT, discount(), normcache::get(), INIT, normcache::put(), scalefact(), ngram::size, and ngramtable::succscan().

Referenced by adapt(), and discount().

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Member Data Documentation

normcache* mdiadaptlm::cache

Referenced by mdiadaptlm(), scalefact(), zeta(), and ~mdiadaptlm().

double mdiadaptlm::gis_step

Referenced by adapt(), and scalefact().

The documentation for this class was generated from the following files:

irstlm/src/mdiadapt.h
irstlm/src/mdiadapt.cpp


Public Member Functions
	mdiadaptlm (char *ngtfile, int depth=0, TABLETYPE tt=FULL)
double	zeta (ngram ng, int size)
int	discount (ngram ng, int size, double &fstar, double &lambda, int cv=0)
int	bodiscount (ngram ng, int size, double &fstar, double &lambda, double &bo)
int	compute_backoff ()
double	backunig (ngram ng)
double	foreunig (ngram ng)
int	adapt (char *ngtfile, int alev=1, double gis_step=0.4)
int	scalefact (char *ngtfile)
double	scalefact (ngram ng)
double	prob (ngram ng, int size)
double	prob (ngram ng, int size, double &fstar, double &lambda, double &bo)
double	prob2 (ngram ng, int size, double &fstar)
double	txclprob (ngram ng, int size)
int	saveASR (char filename, int backoff, char subdictfile=NULL)
int	saveMT (char filename, int backoff, char subdictfile=NULL, int resolution=10000000, double decay=0.999900)
int	saveARPA (char filename, int backoff=0, char subdictfile=NULL)
int	netsize ()
	~mdiadaptlm ()
double	myround (double x)
Public Attributes
normcache *	cache
double	gis_step