The finite matrix product state class. More...

#include <finite_mps.h>

Inheritance diagram for gqmps2::FiniteMPS< TenElemT, QNT >:

Public Types
using	LocalTenT = typename MPS< TenElemT, QNT >::LocalTenT

Public Types inherited from gqmps2::MPS< TenElemT, QNT >
using	LocalTenT = GQTensor< TenElemT, QNT >

Public Member Functions
	FiniteMPS (const SiteVec< TenElemT, QNT > &site_vec)
	Create a empty finite MPS using system information. More...

LocalTenT &	operator[] (const size_t idx)
	Access to local tensor. More...

const LocalTenT &	operator[] (const size_t idx) const
	Read-only access to local tensor. More...

LocalTenT *&	operator() (const size_t idx)
	Access to the pointer to local tensor. More...

const LocalTenT *	operator() (const size_t idx) const
	Read-only access to the pointer to local tensor. More...

void	Centralize (const int)
	Centralize the finite MPS. More...

int	GetCenter (void) const
	Get the center of the MPS.

std::vector< MPSTenCanoType >	GetTensCanoType (void) const
	Get the canonical type of all of the MPS local tensors.

MPSTenCanoType	GetTenCanoType (const size_t idx) const
	Get the canonical type of a MPS local tensor. More...

Public Member Functions inherited from gqmps2::MPS< TenElemT, QNT >
	MPS (const SiteVec< TenElemT, QNT > &site_vec)
	Create a empty MPS using system information. More...

const SiteVec< TenElemT, QNT > &	GetSitesInfo (void) const
	Get sites information.

void	Dump (const std::string &mps_path=kMpsPath) const
	Dump MPS to HDD. More...

void	Dump (const std::string &mps_path=kMpsPath, const bool release_mem=false)
	Dump MPS to HDD. More...

void	Load (const std::string &mps_path=kMpsPath)
	Load MPS from HDD. More...

Public Member Functions inherited from gqmps2::TenVec< GQTensor< TenElemT, QNT > >
	TenVec (const size_t size)
	Create a TenVec using its size. More...

void	LoadTen (const size_t idx, const std::string &file)
	Load element tensor from a file. More...

void	DumpTen (const size_t idx, const std::string &file) const
	Dump element tensor to a file. More...

void	DumpTen (const size_t idx, const std::string &file, const bool release_mem=false)
	Dump element tensor to a file. More...

Public Member Functions inherited from gqmps2::DuoVector< GQTensor< TenElemT, QNT > >
	DuoVector (void)=default
	Default constructor.

	DuoVector (const size_t size)
	Create a DuoVector using its size. More...

	DuoVector (const DuoVector &duovec)
	Create a DuoVector by copying another DuoVector. More...

	DuoVector (DuoVector &&duovec) noexcept
	Create a DuoVector by moving raw data from another DuoVector instance. More...

DuoVector< GQTensor< TenElemT, QNT > > &	operator= (const DuoVector &rhs)
	Copy a DuoVector. More...

DuoVector< GQTensor< TenElemT, QNT > > &	operator= (DuoVector &&rhs) noexcept
	Move a DuoVector. More...

virtual	~DuoVector (void)
	Destruct a DuoVector. More...

const GQTensor< TenElemT, QNT > &	operator[] (const size_t idx) const
	Element getter. More...

GQTensor< TenElemT, QNT > &	operator[] (const size_t idx)
	Element setter. More...

const GQTensor< TenElemT, QNT > *	operator() (const size_t idx) const
	Pointer-of-element getter. More...

GQTensor< TenElemT, QNT > *&	operator() (const size_t idx)
	Pointer-of-element setter. More...

GQTensor< TenElemT, QNT > &	front (void)
	Access the first element.

const GQTensor< TenElemT, QNT > &	front (void) const

GQTensor< TenElemT, QNT > &	back (void)
	Access the last element.

const GQTensor< TenElemT, QNT > &	back (void) const

const std::vector< const GQTensor< TenElemT, QNT > *>	cdata (void) const
	Read-only raw data access.

void	alloc (const size_t idx)
	Allocate memory of the element at given index. More...

void	dealloc (const size_t idx)
	Deallocate memory of the element at given index. More...

void	clear (void)
	Deallocate all elements.

size_t	size (void) const
	Get the size of the DuoVector.

bool	empty (void) const
	Check whether the vector is empty.

Detailed Description

template<typename TenElemT, typename QNT>
class gqmps2::FiniteMPS< TenElemT, QNT >

The finite matrix product state class.

Template Parameters

TenElemT	Element type of the local tensors.
QNT	Quantum number type of the system.

Constructor & Destructor Documentation

◆ FiniteMPS()

template<typename TenElemT, typename QNT>

gqmps2::FiniteMPS< TenElemT, QNT >::FiniteMPS ( const SiteVec< TenElemT, QNT > & site_vec )

inline

Create a empty finite MPS using system information.

Parameters

site_vec The sites information of the system.

Member Function Documentation

◆ Centralize()

template<typename TenElemT , typename QNT >

void gqmps2::FiniteMPS< TenElemT, QNT >::Centralize ( const int target_center )

Centralize the finite MPS.

Parameters

target_center The new center of the finite MPS.

◆ GetTenCanoType()

template<typename TenElemT, typename QNT>

MPSTenCanoType gqmps2::FiniteMPS< TenElemT, QNT >::GetTenCanoType ( const size_t idx ) const

inline

Get the canonical type of a MPS local tensor.

Parameters

idx	Index of the MPS local tensor.

◆ operator()() [1/2]

template<typename TenElemT, typename QNT>

LocalTenT* & gqmps2::FiniteMPS< TenElemT, QNT >::operator() ( const size_t idx )

inline

Access to the pointer to local tensor.

Set canonical type to NONE and MPS to uncentralized.

Parameters

idx	Index of the MPS local tensor.

◆ operator()() [2/2]

template<typename TenElemT, typename QNT>

const LocalTenT* gqmps2::FiniteMPS< TenElemT, QNT >::operator() ( const size_t idx ) const

inline

Read-only access to the pointer to local tensor.

Parameters

idx	Index of the MPS local tensor.

◆ operator[]() [1/2]

template<typename TenElemT, typename QNT>

LocalTenT& gqmps2::FiniteMPS< TenElemT, QNT >::operator[] ( const size_t idx )

inline

Access to local tensor.

Set canonical type to NONE and MPS to uncentralized.

Parameters

idx	Index of the MPS local tensor.

◆ operator[]() [2/2]

template<typename TenElemT, typename QNT>

const LocalTenT& gqmps2::FiniteMPS< TenElemT, QNT >::operator[] ( const size_t idx ) const

inline

Read-only access to local tensor.

Parameters

idx	Index of the MPS local tensor.

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

include/gqmps2/one_dim_tn/mps/finite_mps/finite_mps.h

Public Types

Public Member Functions

Detailed Description

template<typename TenElemT, typename QNT> class gqmps2::FiniteMPS< TenElemT, QNT >

Constructor & Destructor Documentation

◆ FiniteMPS()

Member Function Documentation

◆ Centralize()

◆ GetTenCanoType()

◆ operator()() [1/2]

◆ operator()() [2/2]

◆ operator[]() [1/2]

◆ operator[]() [2/2]

template<typename TenElemT, typename QNT>
class gqmps2::FiniteMPS< TenElemT, QNT >