omc::Chirotope Class Reference

Inheritance diagram for omc::Chirotope:

List of all members.

Classes
class	basis_iterator
Public Member Functions
	Chirotope (size_t, size_t, OrientedMatroid::om_type)
	Chirotope (size_t, size_t, std::string)
	Chirotope (const Chirotope &)
Chirotope *	clone () const
sign_t	getSign (const Tuple &) const
sign_t	getSign (const std::string &) const
void	setSign (const Tuple &, sign_t)
void	setSign (const std::string &, sign_t)
void	setSigns (std::string)
void	relabel (index_t, index_t)
void	relabel (const Permutation &)
void	reorient (index_t)
void	reorient (const std::set< index_t > &)
void	reorient (const Combination &)
void	remove (index_t)
void	contract (index_t)
bool	operator== (const OrientedMatroid &) const
bool	verify ()
basis_iterator	basis_begin () const
basis_iterator	basis_end () const
Protected Attributes
SignedSet	m_Sign
Friends
std::ostream &	operator<< (std::ostream &, Chirotope &)
std::istream &	operator>> (std::istream &, Chirotope &)

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Constructor & Destructor Documentation

omc::Chirotope::Chirotope	(	size_t	r,
		size_t	n,
		OrientedMatroid::om_type	omt = OrientedMatroid::empty
	)			[inline]

Constructor: blank chirotope (every sign is 0).

omc::Chirotope::Chirotope	(	size_t	r,
		size_t	n,
		std::string	signs
	)			[inline]

Constructor: from a string of signs.

omc::Chirotope::Chirotope

(

const Chirotope &

C

)

[inline]

Copy constructor.

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Member Function Documentation

Chirotope::basis_iterator omc::Chirotope::basis_begin

(

)

const

Get the first basis iterator.

Chirotope::basis_iterator omc::Chirotope::basis_end

(

)

const

Get the end basis iterator.

Chirotope * omc::Chirotope::clone

(

)

const [inline, virtual]

"Virtual constructor" of OrientedMatroid.

Implements omc::OrientedMatroid.

void omc::Chirotope::contract

(

index_t

i

)

[virtual]

Single element contraction.

Reimplemented from omc::OrientedMatroid.

sign_t omc::Chirotope::getSign

(

const std::string &

s

)

const

Get the sign of an r-tuple (represented by a string).

sign_t omc::Chirotope::getSign

(

const Tuple &

T

)

const

Get the sign of an r-tuple.

bool omc::Chirotope::operator==

(

const OrientedMatroid &

Om

)

const

Operator ==.

void omc::Chirotope::relabel

(

const Permutation &

perm

)

[virtual]

Relabel using a given permutation.

Implements omc::OrientedMatroid.

void omc::Chirotope::relabel	(	index_t	i,
		index_t	j
	)			[virtual]

Relabel a pair of indices.

Implements omc::OrientedMatroid.

void omc::Chirotope::remove

(

index_t

i

)

[virtual]

Single element deletion.

Reimplemented from omc::OrientedMatroid.

void omc::Chirotope::reorient

(

const Combination &

comb

)

[virtual]

Reorient a set of elements specified by a Combination object.

Implements omc::OrientedMatroid.

void omc::Chirotope::reorient

(

const std::set< index_t > &

I

)

[virtual]

Reorient a set of elements specified by a set.

Implements omc::OrientedMatroid.

void omc::Chirotope::reorient

(

index_t

i

)

[virtual]

Reorient a single element.

Implements omc::OrientedMatroid.

void omc::Chirotope::setSign	(	const std::string &	s,
		sign_t	sign
	)

Set the sign of an r-tuple (represented by a string).

void omc::Chirotope::setSign	(	const Tuple &	T,
		sign_t	sign
	)

Set the sign of an r-tuple (represented by a string).

void omc::Chirotope::setSigns

(

std::string

signs

)

Set the signs.

bool omc::Chirotope::verify

(

)

[virtual]

Verify if it is a legal chirotope, i.e., check if the chirotope axioms are satified.

Implements omc::Verifiable.

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

• Chirotope.h
• Chirotope.cpp