gqmps2::MPS< TenElemT, QNT > Class Template Reference

The matrix product state (MPS) class. More...

#include <mps.h>

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

Public Types
using	LocalTenT = GQTensor< TenElemT, QNT >

Public Member Functions
	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::MPS< TenElemT, QNT >

The matrix product state (MPS) class.

Template Parameters

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

Constructor & Destructor Documentation

MPS()

template<typename TenElemT, typename QNT>

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

inline

Create a empty MPS using system information.

Parameters

site_vec

The sites information of the system.

Member Function Documentation

Dump() [1/2]

template<typename TenElemT, typename QNT>

void gqmps2::MPS< TenElemT, QNT >::Dump ( const std::string &  mps_path = kMpsPath ) const

inline

Dump MPS to HDD.

Parameters

mps_path

Path to the MPS directory.

Dump() [2/2]

template<typename TenElemT, typename QNT>

void gqmps2::MPS< TenElemT, QNT >::Dump ( const std::string &  mps_path = kMpsPath, const bool  release_mem = false  )

inline

Dump MPS to HDD.

Parameters

mps_path	Path to the MPS directory.
release_mem	Wheter release memory after dump.

Load()

template<typename TenElemT, typename QNT>

void gqmps2::MPS< TenElemT, QNT >::Load ( const std::string &  mps_path = kMpsPath )

inline

Load MPS from HDD.

Parameters

mps_path

Path to the MPS directory.

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

• include/gqmps2/one_dim_tn/mps/mps.h