civita::SpreadFirst Class Reference

#include <tensorOp.h>

Inheritance diagram for civita::SpreadFirst:

Collaboration diagram for civita::SpreadFirst:

Public Member Functions
void	setSpreadDimensions (const Hypercube &hc)
double	operator[] (std::size_t i) const override
	return or compute data at a location More...
Public Member Functions inherited from civita::SpreadBase
void	setArgument (const TensorPtr &a, const ITensor::Args &args={"", 0}) override
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})

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::SpreadBase
TensorPtr	arg
std::size_t	numSpreadElements =1
Protected Attributes inherited from civita::ITensor
Hypercube	m_hypercube
Index	m_index

Detailed Description

Definition at line 312 of file tensorOp.h.

Member Function Documentation

operator[]()

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

inlineoverridevirtual

return or compute data at a location

Implements civita::ITensor.

Definition at line 328 of file tensorOp.h.

References civita::SpreadBase::arg, and civita::SpreadBase::numSpreadElements.

                                                  {
      if (arg) return (*arg)[i/numSpreadElements];
      return nan("");
    }

setSpreadDimensions()

void civita::SpreadFirst::setSpreadDimensions ( const Hypercube &  hc )

inline

Definition at line 315 of file tensorOp.h.

References civita::SpreadBase::arg, civita::ITensor::m_hypercube, civita::ITensor::m_index, and civita::SpreadBase::numSpreadElements.

                                                  {
      if (!arg) return;
      numSpreadElements=hc.numElements();
      m_hypercube=hc;
      m_hypercube.xvectors.insert(m_hypercube.xvectors.end(), arg->hypercube().xvectors.begin(),
                                  arg->hypercube().xvectors.end());
      std::set<std::size_t> idx;
      for (auto& i: arg->index())
        for (std::size_t j=0; j<numSpreadElements; ++j)
          idx.insert(j+i*numSpreadElements);
      m_index=idx;
    }

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

• tensor/tensorOp.h