lattice-utils.h File Reference

#include "fst/fstlib.h"
#include "fstext/lattice-weight.h"
#include "fstext/factor.h"
#include "fstext/lattice-utils-inl.h"

Include dependency graph for lattice-utils.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
class	StdToLatticeMapper< Real >
	Class StdToLatticeMapper maps a normal arc (StdArc) to a LatticeArc by putting the StdArc weight as the first element of the LatticeWeight. More...
class	LatticeToStdMapper< Real >
	Class LatticeToStdMapper maps a LatticeArc to a normal arc (StdArc) by adding the elements of the LatticeArc weight. More...

Namespaces
	fst
	For an extended explanation of the framework of which grammar-fsts are a part, please see Support for grammars and graphs with on-the-fly parts. (i.e.

Functions
template<class Weight , class Int >
void	ConvertLattice (const ExpandedFst< ArcTpl< Weight > > &ifst, MutableFst< ArcTpl< CompactLatticeWeightTpl< Weight, Int > > > *ofst, bool invert=true)
	Convert lattice from a normal FST to a CompactLattice FST. More...
template<class Weight , class Int >
void	ConvertLattice (const ExpandedFst< ArcTpl< CompactLatticeWeightTpl< Weight, Int > > > &ifst, MutableFst< ArcTpl< Weight > > *ofst, bool invert=true)
	Convert lattice CompactLattice format to Lattice. More...
template<class WeightIn , class WeightOut >
void	ConvertLattice (const ExpandedFst< ArcTpl< WeightIn > > &ifst, MutableFst< ArcTpl< WeightOut > > *ofst)
	Convert between CompactLattices and Lattices of different floating point types... More...
template<class Int >
void	ConvertLattice (const ExpandedFst< ArcTpl< LatticeWeightTpl< float > > > &ifst, MutableFst< ArcTpl< CompactLatticeWeightTpl< LatticeWeightTpl< double >, Int > > > *ofst)
template<class Int >
void	ConvertLattice (const ExpandedFst< ArcTpl< LatticeWeightTpl< double > > > &ifst, MutableFst< ArcTpl< CompactLatticeWeightTpl< LatticeWeightTpl< float >, Int > > > *ofst)
template<class Int >
void	ConvertLattice (const ExpandedFst< ArcTpl< CompactLatticeWeightTpl< LatticeWeightTpl< double >, Int > > > &ifst, MutableFst< ArcTpl< LatticeWeightTpl< float > > > *ofst)
	Converts CompactLattice with double to Lattice with float. More...
template<class Int >
void	ConvertLattice (const ExpandedFst< ArcTpl< CompactLatticeWeightTpl< LatticeWeightTpl< float >, Int > > > &ifst, MutableFst< ArcTpl< LatticeWeightTpl< double > > > *ofst)
	Converts CompactLattice with float to Lattice with double. More...
template<class Real >
void	ConvertFstToLattice (const ExpandedFst< ArcTpl< TropicalWeight > > &ifst, MutableFst< ArcTpl< LatticeWeightTpl< Real > > > *ofst)
	Converts TropicalWeight to LatticeWeight (puts all the weight on the first float in the lattice's pair). More...
std::vector< std::vector< double > >	DefaultLatticeScale ()
	Returns a default 2x2 matrix scaling factor for LatticeWeight. More...
std::vector< std::vector< double > >	AcousticLatticeScale (double acwt)
std::vector< std::vector< double > >	GraphLatticeScale (double lmwt)
std::vector< std::vector< double > >	LatticeScale (double lmwt, double acwt)
template<class Weight , class ScaleFloat >
void	ScaleLattice (const std::vector< std::vector< ScaleFloat > > &scale, MutableFst< ArcTpl< Weight > > *fst)
	Scales the pairs of weights in LatticeWeight or CompactLatticeWeight by viewing the pair (a, b) as a 2-vector and pre-multiplying by the 2x2 matrix in "scale". More...
template<class Weight , class Int >
void	RemoveAlignmentsFromCompactLattice (MutableFst< ArcTpl< CompactLatticeWeightTpl< Weight, Int > > > *fst)
	Removes state-level alignments (the strings that are part of the weights). More...
template<class Weight , class Int >
bool	CompactLatticeHasAlignment (const ExpandedFst< ArcTpl< CompactLatticeWeightTpl< Weight, Int > > > &fst)
	Returns true if lattice has alignments, i.e. More...
template<class Weight , class Int >
void	PruneCompactLattice (Weight beam, MutableFst< ArcTpl< CompactLatticeWeightTpl< Weight, Int > > > *fst)