TensorNetworks::StochasticContractor Class Reference

The Stochastic Tensor Contractor. More...

#include <StochasticContractor.h>

Inheritance diagram for TensorNetworks::StochasticContractor:

Collaboration diagram for TensorNetworks::StochasticContractor:

Public Member Functions
	StochasticContractor ()
	Constructor.
double	Contract (const TensorNetwork &network, Types::qubit_t qubit) override
	Contract the tensor network.
size_t	GetMaxRejections () const
void	SetMaxRejections (size_t maxRejections)
std::shared_ptr< ITensorContractor >	Clone () const override
	Clone the tensor contractor.
Public Member Functions inherited from TensorNetworks::BaseContractor
TensorsMap	InitializeTensors (const TensorNetwork &network, Types::qubit_t qubit, std::vector< Eigen::Index > &keys, std::unordered_map< Eigen::Index, Eigen::Index > &keysKeys, bool fillKeys=true, bool contract=true) override
template<class PassedTensorsMap = TensorsMap>
Eigen::Index	ContractNodes (Types::qubit_t qubit, PassedTensorsMap &tensors, Eigen::Index tensor1Id, Eigen::Index tensor2Id, Eigen::Index resultRank)
size_t	GetMaxTensorRank () const override
void	SetMultithreading (bool multithreading=true) override
	Enable/disable multithreading.
bool	GetMultithreading () const override
	Get the multithreading flag.

Protected Attributes
std::mt19937	gen
size_t	MaxRejections = 15
Protected Attributes inherited from TensorNetworks::BaseContractor
size_t	maxTensorRank
	The maximum rank of the tensors in the network.
bool	enableMultithreading
	A flag to indicate if multithreading should be enabled.

Additional Inherited Members
Public Types inherited from TensorNetworks::BaseContractor
using	TensorsMap = ITensorContractor::TensorsMap
Public Types inherited from TensorNetworks::ITensorContractor
using	TensorsMap = std::unordered_map< Eigen::Index, std::shared_ptr< TensorNode > >
Static Public Member Functions inherited from TensorNetworks::BaseContractor
static size_t	GetResultRank (const std::shared_ptr< TensorNode > &tensor1, const std::shared_ptr< TensorNode > &tensor2)

Detailed Description

The Stochastic Tensor Contractor.

Tensor contractions using a stochastic method.

Definition at line 31 of file StochasticContractor.h.

Constructor & Destructor Documentation

StochasticContractor()

TensorNetworks::StochasticContractor::StochasticContractor ( )

inline

Constructor.

Constructs the Stochastic Tensor Contractor. Initializes the random number generator.

Definition at line 39 of file StochasticContractor.h.

Member Function Documentation

Clone()

std::shared_ptr< ITensorContractor > TensorNetworks::StochasticContractor::Clone ( ) const

inlineoverridevirtual

Clone the tensor contractor.

Returns

A shared pointer to the cloned tensor contractor.

Implements TensorNetworks::ITensorContractor.

Definition at line 159 of file StochasticContractor.h.

Contract()

double TensorNetworks::StochasticContractor::Contract ( const TensorNetwork &  network, Types::qubit_t  qubit  )

inlineoverridevirtual

Contract the tensor network.

Parameters

network

The tensor network to contract.

Returns

The result of the contraction.

Implements TensorNetworks::ITensorContractor.

Definition at line 47 of file StochasticContractor.h.

GetMaxRejections()

size_t TensorNetworks::StochasticContractor::GetMaxRejections ( ) const

inline

Definition at line 150 of file StochasticContractor.h.

SetMaxRejections()

void TensorNetworks::StochasticContractor::SetMaxRejections ( size_t  maxRejections )

inline

Definition at line 152 of file StochasticContractor.h.

Member Data Documentation

gen

std::mt19937 TensorNetworks::StochasticContractor::gen

protected

Definition at line 170 of file StochasticContractor.h.

MaxRejections

size_t TensorNetworks::StochasticContractor::MaxRejections = 15

protected

Definition at line 171 of file StochasticContractor.h.

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

• StochasticContractor.h