sospin::BraketOneTerm Class Reference

Store each term of the Braket class. More...

#include <include/braket.h>

Public Member Functions
	BraketOneTerm ()
	Constructor. More...
	BraketOneTerm (const DList &d0)
	Constructor without constant part and index zero. More...
	BraketOneTerm (int indexin, string constpartin, const DList &d0)
	Constructor. More...
	BraketOneTerm (int indexin, string constpartin, list< DList > termin)
	Constructor. More...
	BraketOneTerm (int indexin, string constpartin, BraketOneTerm &termin)
	Constructor. More...
	~BraketOneTerm ()
	Destructor, clear all allocated memory. More...
void	clear ()
	Clear all allocated memory and sets default parameters. More...
list< DList > &	GetTerm ()
	Return (and set) the term part. More...
string &	GetConst ()
	Return (and set) the constant part. More...
int &	GetIndex ()
	Return (and set) the index sum part. More...
bool	Simplify (OPMode operation)
	Simplify current expression term. More...
bool	checkindex ()
	Check global index in expression term. More...
void	expfromForm (string a)
	To pass a expression from form. More...
void	rearrange ()
	Order nodes of DList in Braket. More...
bool	isempty ()
	Returns true if expression is empty. More...
bool	EvaluateToDeltas (OPMode oper)
	Evaluate the expression term to deltas. More...
bool	EvaluateToLeviCivita (OPMode oper)
	Evaluate the expression term to levi-civita. More...
void	neg ()
	Negate BraketOneTerm. More...
BraketOneTerm	operator* (const string constval)
	overload operator for BraketOneTerm * constval More...
BraketOneTerm	operator*= (const string constval)
	overload operator for BraketOneTerm *= constval More...
BraketOneTerm	operator* (const BraketOneTerm &L)
	overload operator for BraketOneTerm * L More...
BraketOneTerm	operator*= (const BraketOneTerm &L)
	overload operator for BraketOneTerm *= L More...

Private Member Functions
bool	EvaluateEps_1stPass (OPMode oper)
	Reduce number of b's plus b's to 2N of SO(2N), and order all b's at left and all b's at right. More...
void	EvaluateEps_2ndPass (OPMode oper)
	Convert current expression term to levi-civita and writes all in the string/constant part only if expression term is a braket. More...

Private Attributes
int	index
	Store the index sum. More...
string	constpart
	Store the constant part. More...
list< DList >	term
	Store the part with b and b and/or delta or identity. More...

Friends
BraketOneTerm	operator- (const BraketOneTerm &L)
	negate operator More...
ostream &	operator<< (ostream &out, const BraketOneTerm &L)
	stream operator More...

Detailed Description

Store each term of the Braket class.

Definition at line 83 of file braket.h.

Constructor & Destructor Documentation

sospin::BraketOneTerm::BraketOneTerm

(

)

Constructor.

Definition at line 73 of file braket.cpp.

sospin::BraketOneTerm::BraketOneTerm

(

const DList &

d0

)

Constructor without constant part and index zero.

Parameters

[in]

d0

DList expression

Definition at line 77 of file braket.cpp.

sospin::BraketOneTerm::BraketOneTerm	(	int	indexin,
		string	constpartin,
		const DList &	d0
	)

Constructor.

Parameters

[in]	indexin	index of the expression
[in]	constpartin	constant part
[in]	d0	DList expression

Definition at line 82 of file braket.cpp.

sospin::BraketOneTerm::BraketOneTerm	(	int	indexin,
		string	constpartin,
		list< DList >	termin
	)

Constructor.

Parameters

[in]	indexin	index of the expression
[in]	constpartin	constant part
[in]	termin	list<DList> expression

Definition at line 88 of file braket.cpp.

sospin::BraketOneTerm::BraketOneTerm	(	int	indexin,
		string	constpartin,
		BraketOneTerm &	termin
	)

Constructor.

Parameters

[in]	indexin	index of the expression
[in]	constpartin	constant part
[in]	termin	BraketOneTerm expression

Definition at line 94 of file braket.cpp.

sospin::BraketOneTerm::~BraketOneTerm

(

)

Destructor, clear all allocated memory.

Definition at line 112 of file braket.cpp.

Member Function Documentation

bool sospin::BraketOneTerm::checkindex

(

)

Check global index in expression term.

Returns

true if |index| is equal to 0 or N of SO(2N), otherwise returns false

Definition at line 646 of file braket.cpp.

void sospin::BraketOneTerm::clear

(

)

Clear all allocated memory and sets default parameters.

Definition at line 107 of file braket.cpp.

bool sospin::BraketOneTerm::EvaluateEps_1stPass ( OPMode  oper )

private

Reduce number of b's plus b's to 2N of SO(2N), and order all b's at left and all b's at right.

Parameters

[in]

oper

OPMode of current expression (none, bra, ket, braket)

Returns

true if expression is zero/empty and false otherwise

Definition at line 953 of file braket.cpp.

void sospin::BraketOneTerm::EvaluateEps_2ndPass ( OPMode  oper )

private

Convert current expression term to levi-civita and writes all in the string/constant part only if expression term is a braket.

Parameters

oper	expression type, OPMode

Definition at line 798 of file braket.cpp.

bool sospin::BraketOneTerm::EvaluateToDeltas

(

OPMode

oper

)

Evaluate the expression term to deltas.

Parameters

[in]

oper

term mode (bra, braket, ket or none)

Returns

true if term is empty or gives zero, otherwise returns false

Definition at line 979 of file braket.cpp.

bool sospin::BraketOneTerm::EvaluateToLeviCivita

(

OPMode

oper

)

Evaluate the expression term to levi-civita.

Parameters

[in]

oper

term mode (bra, braket, ket or none)

Returns

true if term is empty or gives zero, otherwise returns false

Definition at line 966 of file braket.cpp.

void sospin::BraketOneTerm::expfromForm

(

string

a

)

To pass a expression from form.

Definition at line 103 of file braket.cpp.

string & sospin::BraketOneTerm::GetConst

(

)

Return (and set) the constant part.

Definition at line 116 of file braket.cpp.

int & sospin::BraketOneTerm::GetIndex

(

)

Return (and set) the index sum part.

Definition at line 117 of file braket.cpp.

list< DList > & sospin::BraketOneTerm::GetTerm

(

)

Return (and set) the term part.

Definition at line 115 of file braket.cpp.

bool sospin::BraketOneTerm::isempty

(

)

Returns true if expression is empty.

Definition at line 118 of file braket.cpp.

void sospin::BraketOneTerm::neg

(

)

Negate BraketOneTerm.

Definition at line 375 of file braket.cpp.

BraketOneTerm sospin::BraketOneTerm::operator*

(

const string

constval

)

overload operator for BraketOneTerm * constval

Definition at line 461 of file braket.cpp.

BraketOneTerm sospin::BraketOneTerm::operator*

(

const BraketOneTerm &

L

)

overload operator for BraketOneTerm * L

Definition at line 483 of file braket.cpp.

BraketOneTerm sospin::BraketOneTerm::operator*=

(

const string

constval

)

overload operator for BraketOneTerm *= constval

Definition at line 447 of file braket.cpp.

BraketOneTerm sospin::BraketOneTerm::operator*=

(

const BraketOneTerm &

L

)

overload operator for BraketOneTerm *= L

void sospin::BraketOneTerm::rearrange

(

)

Order nodes of DList in Braket.

First deltas and then b's and b\dagger's and remove the identity node when deltas, b or b^dagger is present

Definition at line 625 of file braket.cpp.

bool sospin::BraketOneTerm::Simplify

(

OPMode

operation

)

Simplify current expression term.

Parameters

[in]

oper

term mode (bra, braket, ket or none)

Returns

true if expression term is empty, false otherwise

Definition at line 687 of file braket.cpp.

Friends And Related Function Documentation

BraketOneTerm operator- ( const BraketOneTerm &  L )

friend

negate operator

Definition at line 365 of file braket.cpp.

ostream& operator<< ( ostream &  out, const BraketOneTerm &  L  )

friend

stream operator

Definition at line 561 of file braket.cpp.

Member Data Documentation

string sospin::BraketOneTerm::constpart

private

Store the constant part.

Definition at line 88 of file braket.h.

int sospin::BraketOneTerm::index

private

Store the index sum.

Definition at line 86 of file braket.h.

list<DList> sospin::BraketOneTerm::term

private

Store the part with b and b and/or delta or identity.

Definition at line 90 of file braket.h.

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

• include/braket.h
• src/braket.cpp