ImplementationType

Class ImplementationType

A class for back-end implementation types.

Class members:

Member	Explanation
SFST_TYPE	An SFST transducer, unweighted.
TROPICAL_OPENFST_TYPE	An OpenFst transducer with tropical weights.
LOG_OPENFST_TYPE	An OpenFst transducer with logarithmic weights (limited support).
FOMA_TYPE	A foma transducer, unweighted.
HFST_OL_TYPE	An HFST optimized lookup transducer, unweighted.
HFST_OLW_TYPE	An HFST optimized lookup transducer with weights.
HFST2_TYPE	HFST2 header present, conversion required.
UNSPECIFIED_TYPE	Type left unspecified.
ERROR_TYPE	Type not recognised. This type might be returned by a function if an error occurs.

See also:

• hfst.set_default_fst_type(impl)
• hfst.get_default_fst_type()
• hfst.fst_type_to_string(type)