A functor to compute the constant term of an expression. More...

#include <constant-term.hh>

Inheritance diagram for vcsn::rat::constant_term_visitor< ExpSet >:

Collaboration diagram for vcsn::rat::constant_term_visitor< ExpSet >:

Classes
struct	visit_tuple

struct	visit_tuple< false, Dummy >

Public Types
using	expressionset_t = ExpSet

using	super_t = typename expressionset_t::const_visitor

using	self_t = constant_term_visitor

using	context_t = context_t_of< expressionset_t >

using	expression_t = typename expressionset_t::value_t

using	weight_t = weight_t_of< expressionset_t >

using	weightset_t = weightset_t_of< expressionset_t >

Public Member Functions
	constant_term_visitor (const expressionset_t &rs)

weight_t	operator() (const expression_t &v)

Static Public Member Functions
static constexpr const char *	me ()
	Name of this algorithm, for error messages. More...

Private Types
using	tuple_t = typename super_t::tuple_t

Private Member Functions
weight_t	constant_term (const expression_t &v)
	Easy recursion. More...

	VCSN_RAT_VISIT (zero,)

	VCSN_RAT_VISIT (one,)

	VCSN_RAT_VISIT (atom,)

	VCSN_RAT_VISIT (add, v)

template<typename Node >
void	visit_product (const Node &v)
	Visit a variadic node whose constant-term is the product of the constant-terms of its children. More...

	VCSN_RAT_VISIT (conjunction, v)

	VCSN_RAT_VISIT (infiltrate, v)

	VCSN_RAT_VISIT (mul, v)

	VCSN_RAT_VISIT (shuffle, v)

	VCSN_RAT_UNSUPPORTED (ldivide)
	y`, yet both operands have a null constant-term. More...

	VCSN_RAT_UNSUPPORTED (compose)
	Cannot compute the constant-term easily here: `c(<x>\\e\|x @ <y>x\|\\e) = xy`, yet both operands have a null constant-term. More...

	VCSN_RAT_VISIT (transposition, v)

	VCSN_RAT_VISIT (star, v)

	VCSN_RAT_VISIT (lweight, v)

	VCSN_RAT_VISIT (rweight, v)

	VCSN_RAT_VISIT (complement, v)

void	visit (const tuple_t &v, std::true_type) override

Private Attributes
expressionset_t	rs_

weightset_t	ws_

weight_t	res_

Detailed Description

template<typename ExpSet>
class vcsn::rat::constant_term_visitor< ExpSet >

A functor to compute the constant term of an expression.

Template Parameters

ExpSet the expressionset type.

Definition at line 28 of file constant-term.hh.

Member Typedef Documentation

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::context_t = context_t_of<expressionset_t>

Definition at line 36 of file constant-term.hh.

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::expression_t = typename expressionset_t::value_t

Definition at line 37 of file constant-term.hh.

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::expressionset_t = ExpSet

Definition at line 32 of file constant-term.hh.

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::self_t = constant_term_visitor

Definition at line 34 of file constant-term.hh.

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::super_t = typename expressionset_t::const_visitor

Definition at line 33 of file constant-term.hh.

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::tuple_t = typename super_t::tuple_t

private

Definition at line 151 of file constant-term.hh.

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::weight_t = weight_t_of<expressionset_t>

Definition at line 38 of file constant-term.hh.

template<typename ExpSet >

using vcsn::rat::constant_term_visitor< ExpSet >::weightset_t = weightset_t_of<expressionset_t>

Definition at line 39 of file constant-term.hh.

Constructor & Destructor Documentation

template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::constant_term_visitor ( const expressionset_t & rs )

inline

Definition at line 44 of file constant-term.hh.

Member Function Documentation

template<typename ExpSet >

weight_t vcsn::rat::constant_term_visitor< ExpSet >::constant_term ( const expression_t & v )

inlineprivate

Easy recursion.

Definition at line 64 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::res_.

Referenced by vcsn::rat::constant_term_visitor< ExpSet >::operator()(), vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT(), and vcsn::rat::constant_term_visitor< ExpSet >::visit_product().

template<typename ExpSet >

static constexpr const char* vcsn::rat::constant_term_visitor< ExpSet >::me ( )

inlinestatic

Name of this algorithm, for error messages.

Definition at line 42 of file constant-term.hh.

template<typename ExpSet >

weight_t vcsn::rat::constant_term_visitor< ExpSet >::operator() ( const expression_t & v )

inline

Definition at line 49 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::rat::constant_term_visitor< ExpSet >::rs_, and vcsn::rat::to_string().

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_UNSUPPORTED ( ldivide )

private

y`, yet both operands have a null constant-term.

template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_UNSUPPORTED ( compose )

private

Cannot compute the constant-term easily here: c(<x>\\e|x @ <y>x|\\e) = xy, yet both operands have a null constant-term.

template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT ( zero )

inlineprivate

Definition at line 70 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::res_, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT ( one )

inlineprivate

Definition at line 75 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::res_, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT ( atom )

inlineprivate

Definition at line 80 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::res_, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	add	,
		v
	)

inlineprivate

Definition at line 85 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::res, vcsn::rat::constant_term_visitor< ExpSet >::res_, vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	conjunction	,
		v
	)

inlineprivate

Definition at line 104 of file constant-term.hh.

References vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::visit_product().

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	infiltrate	,
		v
	)

inlineprivate

Definition at line 105 of file constant-term.hh.

References vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::visit_product().

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	mul	,
		v
	)

inlineprivate

Definition at line 106 of file constant-term.hh.

References vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::visit_product().

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	shuffle	,
		v
	)

inlineprivate

Definition at line 107 of file constant-term.hh.

References vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::visit_product().

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	transposition	,
		v
	)

inlineprivate

Definition at line 119 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::rat::constant_term_visitor< ExpSet >::res_, vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	star	,
		v
	)

inlineprivate

Definition at line 124 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::rat::constant_term_visitor< ExpSet >::res_, vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	lweight	,
		v
	)

inlineprivate

Definition at line 129 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::rat::constant_term_visitor< ExpSet >::res_, vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	rweight	,
		v
	)

inlineprivate

Definition at line 134 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::rat::constant_term_visitor< ExpSet >::res_, vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

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template<typename ExpSet >

vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT	(	complement	,
		v
	)

inlineprivate

Definition at line 139 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::rat::constant_term_visitor< ExpSet >::res_, vcsn::v, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

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template<typename ExpSet >

void vcsn::rat::constant_term_visitor< ExpSet >::visit	(	const tuple_t &	v,
		std::true_type
	)

inlineoverrideprivate

Definition at line 189 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::res_, and vcsn::v.

template<typename ExpSet >

template<typename Node >

void vcsn::rat::constant_term_visitor< ExpSet >::visit_product ( const Node & v )

inlineprivate

Visit a variadic node whose constant-term is the product of the constant-terms of its children.

Definition at line 96 of file constant-term.hh.

References vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::res, vcsn::rat::constant_term_visitor< ExpSet >::res_, and vcsn::rat::constant_term_visitor< ExpSet >::ws_.

Referenced by vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT().

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Member Data Documentation

template<typename ExpSet >

weight_t vcsn::rat::constant_term_visitor< ExpSet >::res_

private

Definition at line 197 of file constant-term.hh.

Referenced by vcsn::rat::constant_term_visitor< ExpSet >::constant_term(), vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT(), vcsn::rat::constant_term_visitor< ExpSet >::visit(), and vcsn::rat::constant_term_visitor< ExpSet >::visit_product().

template<typename ExpSet >

expressionset_t vcsn::rat::constant_term_visitor< ExpSet >::rs_

private

Definition at line 195 of file constant-term.hh.

Referenced by vcsn::rat::constant_term_visitor< ExpSet >::operator()(), and vcsn::rat::constant_term_visitor< ExpSet >::visit_tuple< bool, Dummy >::work_().

template<typename ExpSet >

weightset_t vcsn::rat::constant_term_visitor< ExpSet >::ws_

private

Definition at line 196 of file constant-term.hh.

Referenced by vcsn::rat::constant_term_visitor< ExpSet >::VCSN_RAT_VISIT(), vcsn::rat::constant_term_visitor< ExpSet >::visit_product(), and vcsn::rat::constant_term_visitor< ExpSet >::visit_tuple< bool, Dummy >::work_().

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

vcsn/algos/constant-term.hh

Classes

Public Types

Public Member Functions

Static Public Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

template<typename ExpSet> class vcsn::rat::constant_term_visitor< ExpSet >

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<typename ExpSet>
class vcsn::rat::constant_term_visitor< ExpSet >