civita::PermuteAxis Class Reference

#include <tensorOp.h>

Inheritance diagram for civita::PermuteAxis:

Collaboration diagram for civita::PermuteAxis:

Public Member Functions
void	setArgument (const TensorPtr &a, const ITensor::Args &args={"", 0}) override
	argument indices corresponding to this indices, when sparse More...
void	setPermutation (const std::vector< std::size_t > &p)
void	setPermutation (std::vector< std::size_t > &&)
std::size_t	axis () const
const std::vector< std::size_t > &	permutation () const
double	operator[] (std::size_t i) const override
	return or compute data at a location More...
Timestamp	timestamp () const override
	timestamp indicating how old the dependendent data might be. Used in CachedTensorOp to determine when to invalidate the cache More...
Public Member Functions inherited from civita::ITensor
	CLASSDESC_ACCESS (ITensor)
	ITensor ()
	ITensor (const Hypercube &hc)
	ITensor (Hypercube &&hc)
	ITensor (const std::vector< unsigned > &dims)
	ITensor (const ITensor &)=default
	ITensor (ITensor &&)=default
ITensor &	operator= (const ITensor &)=default
ITensor &	operator= (ITensor &&)=default
virtual	~ITensor ()
virtual const Hypercube &	hypercube () const
	information describing the axes, types and labels of this tensor More...
virtual const Hypercube &	hypercube (const Hypercube &hc)
virtual const Hypercube &	hypercube (Hypercube &&hc)
std::size_t	rank () const
std::vector< unsigned >	shape () const
void	imposeDimensions (const Dimensions &dimensions)
	impose dimensions according to dimension map dimensions More...
virtual const Index &	index () const
	the index vector - assumed to be ordered and unique More...
virtual std::size_t	size () const
	return number of elements in tensor - maybe less than hypercube.numElements if sparse More...
double	atHCIndex (std::size_t hcIdx) const
	returns the data value at hypercube index hcIdx, or NaN if More...
template<class T >
std::size_t	hcIndex (const std::initializer_list< T > &indices) const
template<class T >
double	operator() (const std::initializer_list< T > &indices) const
virtual void	setArguments (const TensorPtr &, const TensorPtr &, const ITensor::Args &args={})
virtual void	setArguments (const std::vector< TensorPtr > &a, const ITensor::Args &args={"", 0})
virtual void	setArguments (const std::vector< TensorPtr > &a1, const std::vector< TensorPtr > &a2, const ITensor::Args &args={"", 0})

Private Attributes
TensorPtr	arg
std::size_t	m_axis
std::vector< std::size_t >	m_permutation
std::vector< std::size_t >	permutedIndex

Additional Inherited Members
Public Types inherited from civita::ITensor
using	Timestamp = std::chrono::time_point< std::chrono::high_resolution_clock >
Protected Member Functions inherited from civita::ITensor
void	notImpl () const
Protected Attributes inherited from civita::ITensor
Hypercube	m_hypercube
Index	m_index

Detailed Description

Definition at line 253 of file tensorOp.h.

Member Function Documentation

axis()

std::size_t civita::PermuteAxis::axis ( ) const

inline

Definition at line 264 of file tensorOp.h.

References m_axis.

{return m_axis;}

operator[]()

double civita::PermuteAxis::operator[] ( std::size_t  ) const

overridevirtual

return or compute data at a location

Implements civita::ITensor.

Definition at line 451 of file tensorOp.cc.

  {
    assert(i<size());
    if (index().empty())
      {
        auto splitted=hypercube().splitIndex(i);
        splitted[m_axis]=m_permutation[splitted[m_axis]];
        return arg->atHCIndex(arg->hypercube().linealIndex(splitted));
      }
    return (*arg)[permutedIndex[i]];
  }

permutation()

const std::vector<std::size_t>& civita::PermuteAxis::permutation ( ) const

inline

Definition at line 265 of file tensorOp.h.

References m_permutation.

{return m_permutation;}

setArgument()

void civita::PermuteAxis::setArgument ( const TensorPtr &  a, const ITensor::Args &  args = {"",0}  )

overridevirtual

argument indices corresponding to this indices, when sparse

Reimplemented from civita::ITensor.

Definition at line 413 of file tensorOp.cc.

References civita::ITensor::Args::dimension.

Referenced by minsky::GeneralTensorOp< OperationType::slice >::setArgument().

  {
    arg=a;
    hypercube(arg->hypercube());
    m_index=arg->index();
    for (m_axis=0; m_axis<m_hypercube.xvectors.size(); ++m_axis)
      if (m_hypercube.xvectors[m_axis].name==args.dimension)
        break;
    if (m_axis==m_hypercube.xvectors.size())
      throw runtime_error("axis "+args.dimension+" not found");
    for (size_t i=0; i<m_hypercube.xvectors[m_axis].size(); ++i)
      m_permutation.push_back(i);
  }

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setPermutation() [1/2]

void civita::PermuteAxis::setPermutation ( const std::vector< std::size_t > &  p )

inline

Definition at line 261 of file tensorOp.h.

    {auto pp(p); setPermutation(std::move(pp));}

setPermutation() [2/2]

void civita::PermuteAxis::setPermutation

(

std::vector< std::size_t > &&

)

timestamp()

Timestamp civita::PermuteAxis::timestamp ( ) const

inlineoverridevirtual

timestamp indicating how old the dependendent data might be. Used in CachedTensorOp to determine when to invalidate the cache

Implements civita::ITensor.

Definition at line 267 of file tensorOp.h.

References arg.

{return arg->timestamp();}

Member Data Documentation

arg

TensorPtr civita::PermuteAxis::arg

private

Definition at line 255 of file tensorOp.h.

Referenced by timestamp().

m_axis

std::size_t civita::PermuteAxis::m_axis

private

Definition at line 256 of file tensorOp.h.

Referenced by axis().

m_permutation

std::vector<std::size_t> civita::PermuteAxis::m_permutation

private

Definition at line 257 of file tensorOp.h.

Referenced by permutation().

permutedIndex

std::vector<std::size_t> civita::PermuteAxis::permutedIndex

private

Definition at line 258 of file tensorOp.h.

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

• tensor/tensorOp.h
• tensor/tensorOp.cc