fstutils.hpp File Reference
Utilites to extract vocabulary, pseudo-determinize lattices and build substring transducers. More...
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Classes | |
| struct | fst::hypcost |
| Struct for priority queue comparison. More... | |
| class | fst::CompareHyp |
| Class used by priority queue to compare two hypotheses and decide which one wins. More... | |
| class | fst::RelabelUtil< Arc > |
| Utility functor for relabeling one or more lattices. Note that you can chain commands. See Unit test in fstutils.gtest.cpp for an example. More... | |
Namespaces | |
| fst | |
Macros | |
| #define | UNIT_COST_POSITIVE 1 |
| #define | UNIT_COST_NEGATIVE -1 |
Functions | |
| float | fst::ZPosInfinity () |
| Just a wrapper to maintain compatibility with OpenFST 1.3.1, last version using kPosInfinity constant. More... | |
| template<class Arc > | |
| void | fst::extractSourceVocabulary (const fst::VectorFst< Arc > &myfst, unordered_set< std::string > *vcb) |
| Extract source (left-side) vocabulary from an fst. More... | |
| template<class Arc > | |
| void | fst::extractSourceVocabulary (const fst::VectorFst< Arc > &myfst, unordered_set< unsigned > *vcb, unsigned offset=0) |
| Extract source (left-side) vocabulary (integers) from an fst. More... | |
| template<class Arc > | |
| void | fst::extractTargetVocabulary (const fst::VectorFst< Arc > &myfst, unordered_set< std::string > *vcb) |
| Extract target (right-side) vocabulary from an fst. More... | |
| template<class Arc > | |
| void | fst::buildSubstringTransducer (fst::VectorFst< Arc > *myfst) |
| Builds substring version of an fst. This is a destructive implementation. More... | |
| template<class Arc > | |
| fst::VectorFst< Arc > * | fst::EncodeDeterminizeMinimizeDecode (fst::VectorFst< Arc > *myfst) |
| Encodes, determinizes, minimizes and decodes an fst. More... | |
| template<class Arc > | |
| void | fst::EncodeDeterminizeMinimizeDecode (fst::Fst< Arc > const &myfst, fst::VectorFst< Arc > *out) |
| template<class Arc , class CharTypeT , class StringTypeT > | |
| std::basic_string< CharTypeT > | fst::FstGetBestHypothesis (const fst::VectorFst< Arc > &latfst) |
| Takes the 1-best of an fst and converts to string. More... | |
| template<class Arc , class CharTypeT > | |
| void | fst::FstGetBestHypothesis (const fst::VectorFst< Arc > &latfst, std::vector< CharTypeT > &hyp) |
| template<class Arc > | |
| void | fst::FstGetBestStringHypothesis (const fst::VectorFst< Arc > &latfst, std::string &hyp) |
| template<class Arc > | |
| void | fst::printstrings (const fst::VectorFst< Arc > &pcostslat, std::ostream *hyps, unsigned s=0) |
| Trivial function that outputs all the hypothesis in the lattice with its cost. More... | |
| template<class Arc > | |
| void | fst::printstrings (const fst::VectorFst< Arc > &fst, unordered_map< std::string, float > &finalhyps, bool input=true) |
| Prints input/output strings - weight from a lattice as a hash. More... | |
| unsigned | fst::ShortestPathLength (const fst::VectorFst< fst::StdArc > *fst) |
| template<class Arc > | |
| fst::VectorFst< Arc > * | fst::PushWeightsToFinal (const fst::VectorFst< Arc > *fst) |
| fst::VectorFst< fst::LogArc > * | fst::StdToLog (const fst::VectorFst< fst::StdArc > *fst) |
| fst::VectorFst< fst::StdArc > * | fst::LogToStd (const fst::VectorFst< fst::LogArc > *fst) |
| fst::VectorFst< fst::StdArc > * | fst::FstScaleWeights (fst::VectorFst< fst::StdArc > *fst, const double scale) |
| template<class Arc > | |
| void | fst::GetMinAndMaxHypothesisLength (const fst::VectorFst< Arc > *fst, unsigned &jMin, unsigned &jMax) |
| fst::StdArc::Label | fst::GetFirstUnusedLabelId (const fst::VectorFst< fst::StdArc > *fst) |
| void | fst::SetFinalStateCost (fst::MutableFst< fst::StdArc > *fst, const fst::StdArc::Weight cost) |
| template<class Arc > | |
| void | fst::string2fst (const std::string &sidxwords, fst::VectorFst< Arc > *fst, const std::string &tidxwords="", typename Arc::Weight finalweight=Arc::Weight::One()) |
| Convenience method that creates an fsa/fst from one/two string(s) of numbers. More... | |
Detailed Description
Utilites to extract vocabulary, pseudo-determinize lattices and build substring transducers.
- Date
- 14-8-2012
Definition in file fstutils.hpp.
Macro Definition Documentation
| #define UNIT_COST_NEGATIVE -1 |
Definition at line 411 of file fstutils.hpp.
| #define UNIT_COST_POSITIVE 1 |
Definition at line 410 of file fstutils.hpp.
