vcsn::detail::minimizer< Aut, weighted_tag > Class Template Reference

#include <minimize-weighted.hh>

Collaboration diagram for vcsn::detail::minimizer< Aut, weighted_tag >:

Classes
struct	classset
	Dealing with class numbers. More...
struct	signature_equal_to
struct	signature_hasher

Public Member Functions
	minimizer (const Aut &a)
class_to_set_t &	classes ()
	The minimized automaton. More...
void	build_classes_ ()
	Build the initial classes, and split until fix point. More...

Public Attributes
automaton_t	a_
	Input automaton, supplied at construction time. More...
const labelset_t &	ls_ = *a_->labelset()
const weightset_t &	ws_ = *a_->weightset()
unsigned	num_classes_ = 0
class_to_set_t	class_to_set_
state_to_class_t	state_to_class_
class_polynomialset_t	cps_ {{classset{}, ws_}}
	Class polynomialset. More...

Private Types
using	automaton_t = Aut
using	labelset_t = labelset_t_of< automaton_t >
using	weightset_t = weightset_t_of< automaton_t >
using	label_t = label_t_of< automaton_t >
using	weight_t = weight_t_of< automaton_t >
using	state_t = state_t_of< automaton_t >
using	class_t = unsigned
using	set_t = std::vector< state_t >
using	state_to_class_t = std::unordered_map< state_t, class_t >
using	class_to_set_t = std::vector< set_t >
using	class_polynomialset_t = polynomialset< context< classset, weightset_t >>
	The output of a given letter from a given state, keeping into account classes and weights. More...
using	class_polynomial_t = typename class_polynomialset_t::value_t
using	signature_t = std::map< label_t, class_polynomial_t >
	A signature: for each label, the outgoing class polynomial. More...
using	signature_multimap = std::unordered_map< signature_t, set_t, signature_hasher, signature_equal_to >
	Cluster states per signature. More...

Private Member Functions
signature_t	signature (state_t s) const
	The signature of state s. More...
void	clear ()
class_t	make_class (set_t &&set, class_t number=class_invalid)
	Make a new class with the given set of states. More...

Static Private Member Functions
static constexpr const char *	me ()

Static Private Attributes
static constexpr class_t	class_invalid = -1
	An invalid class. More...

Detailed Description

template<Automaton Aut>
class vcsn::detail::minimizer< Aut, weighted_tag >

Definition at line 23 of file minimize-weighted.hh.

Member Typedef Documentation

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::automaton_t = Aut

private

Definition at line 25 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::class_polynomial_t = typename class_polynomialset_t::value_t

private

Definition at line 68 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::class_polynomialset_t = polynomialset<context<classset, weightset_t>>

private

The output of a given letter from a given state, keeping into account classes and weights.

Definition at line 66 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::class_t = unsigned

private

Definition at line 32 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::class_to_set_t = std::vector<set_t>

private

Definition at line 35 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::label_t = label_t_of<automaton_t>

private

Definition at line 29 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::labelset_t = labelset_t_of<automaton_t>

private

Definition at line 27 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::set_t = std::vector<state_t>

private

Definition at line 33 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::signature_multimap = std::unordered_map<signature_t, set_t, signature_hasher, signature_equal_to>

private

Cluster states per signature.

Definition at line 123 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::signature_t = std::map<label_t, class_polynomial_t>

private

A signature: for each label, the outgoing class polynomial.

Definition at line 71 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::state_t = state_t_of<automaton_t>

private

Definition at line 31 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::state_to_class_t = std::unordered_map<state_t, class_t>

private

Definition at line 34 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::weight_t = weight_t_of<automaton_t>

private

Definition at line 30 of file minimize-weighted.hh.

template<Automaton Aut>

using vcsn::detail::minimizer< Aut, weighted_tag >::weightset_t = weightset_t_of<automaton_t>

private

Definition at line 28 of file minimize-weighted.hh.

Constructor & Destructor Documentation

template<Automaton Aut>

vcsn::detail::minimizer< Aut, weighted_tag >::minimizer ( const Aut &  a )

inline

Definition at line 158 of file minimize-weighted.hh.

References vcsn::is_trim(), and vcsn::require().

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Member Function Documentation

template<Automaton Aut>

void vcsn::detail::minimizer< Aut, weighted_tag >::build_classes_ ( )

inline

Build the initial classes, and split until fix point.

Definition at line 172 of file minimize-weighted.hh.

References vcsn::all().

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template<Automaton Aut>

class_to_set_t& vcsn::detail::minimizer< Aut, weighted_tag >::classes ( )

inline

The minimized automaton.

Definition at line 165 of file minimize-weighted.hh.

template<Automaton Aut>

void vcsn::detail::minimizer< Aut, weighted_tag >::clear ( )

inlineprivate

Definition at line 125 of file minimize-weighted.hh.

template<Automaton Aut>

class_t vcsn::detail::minimizer< Aut, weighted_tag >::make_class ( set_t &&  set, class_t  number = class_invalid  )

inlineprivate

Make a new class with the given set of states.

Parameters

set	the states belonging to this class
number	the class number to use. If class_invalid, allocate one.

Definition at line 138 of file minimize-weighted.hh.

References vcsn::set.

template<Automaton Aut>

static constexpr const char* vcsn::detail::minimizer< Aut, weighted_tag >::me ( )

inlinestaticprivate

Definition at line 37 of file minimize-weighted.hh.

template<Automaton Aut>

signature_t vcsn::detail::minimizer< Aut, weighted_tag >::signature ( state_t  s ) const

inlineprivate

The signature of state s.

Definition at line 73 of file minimize-weighted.hh.

References vcsn::detail::all_out().

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Member Data Documentation

template<Automaton Aut>

automaton_t vcsn::detail::minimizer< Aut, weighted_tag >::a_

Input automaton, supplied at construction time.

Definition at line 226 of file minimize-weighted.hh.

template<Automaton Aut>

constexpr class_t vcsn::detail::minimizer< Aut, weighted_tag >::class_invalid = -1

staticprivate

An invalid class.

Definition at line 40 of file minimize-weighted.hh.

template<Automaton Aut>

class_to_set_t vcsn::detail::minimizer< Aut, weighted_tag >::class_to_set_

Definition at line 233 of file minimize-weighted.hh.

template<Automaton Aut>

class_polynomialset_t vcsn::detail::minimizer< Aut, weighted_tag >::cps_ {{classset{}, ws_}}

Class polynomialset.

Definition at line 237 of file minimize-weighted.hh.

template<Automaton Aut>

const labelset_t& vcsn::detail::minimizer< Aut, weighted_tag >::ls_ = *a_->labelset()

Definition at line 228 of file minimize-weighted.hh.

template<Automaton Aut>

unsigned vcsn::detail::minimizer< Aut, weighted_tag >::num_classes_ = 0

Definition at line 231 of file minimize-weighted.hh.

template<Automaton Aut>

state_to_class_t vcsn::detail::minimizer< Aut, weighted_tag >::state_to_class_

Definition at line 234 of file minimize-weighted.hh.

template<Automaton Aut>

const weightset_t& vcsn::detail::minimizer< Aut, weighted_tag >::ws_ = *a_->weightset()

Definition at line 229 of file minimize-weighted.hh.

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

• vcsn/algos/minimize-weighted.hh