indexedTensor_tensor_evaluate.cpp File Reference

Implementation of the (indexed) Tensor evaluation (ie. generlized transpositions). More...

#include <xerus/basic.h>
#include <xerus/index.h>
#include <xerus/misc/check.h>
#include <xerus/tensor.h>
#include <memory>
#include <xerus/misc/basicArraySupport.h>
#include <xerus/misc/containerSupport.h>
#include <xerus/misc/performanceAnalysis.h>
#include <xerus/misc/internal.h>

Go to the source code of this file.

Namespaces
	xerus
	The main namespace of xerus.
	xerus::internal
	Namespace for function and classes designated only for internal use.

Macros
#define	VLA(T, name)   auto name##_store = xerus::misc::make_unique_array(new T); const auto & (name) = name##_store.get();

Functions
bool	xerus::internal::check_position (size_t &_position, const std::pair< size_t, value_t > &_entry, const size_t *const _baseIndexDim, const size_t *const _divisors, const size_t *const _attributes, const bool *const _fixedFlags, const bool *const _traceFlags, const size_t numIndices)
void	xerus::internal::evaluate (IndexedTensorWritable< Tensor > &&_out, IndexedTensorReadOnly< Tensor > &&_base)
std::vector< size_t >	xerus::internal::get_dimension_vector (const std::vector< Index > &_indices)
size_t	xerus::internal::get_position (const std::pair< size_t, value_t > &_entry, const size_t *const _baseIndexDim, const size_t *const _divisors, const size_t *const _attributes, const size_t numIndices)
std::vector< size_t >	xerus::internal::get_step_sizes (const std::vector< Index > &_indices)
void	xerus::increase_indices (const size_t _i, value_t *&_outPosition, const std::vector< size_t > &_stepSizes, const std::vector< size_t > &_baseDimensions)
void	xerus::internal::increase_indices (const size_t _i, const value_t *&_oldPosition, const std::vector< size_t > &_steps, const std::vector< size_t > &_multDimensions)
void	xerus::reshuffle (Tensor &_out, const Tensor &_base, const std::vector< size_t > &_shuffle)
	: Performs a simple reshuffle. Much less powerfull then a full evaluate, but more efficient. More...
Tensor	xerus::reshuffle (const Tensor &_base, const std::vector< size_t > &_shuffle)
void	xerus::internal::sum_traces (value_t *const _newPosition, const value_t *_oldPosition, const std::vector< size_t > &_doubleSteps, const std::vector< size_t > &_doubleMultDimensions, const size_t _numSummations)
void	xerus::internal::sum_traces (value_t *const _newPosition, const value_t *_oldPosition, const std::vector< size_t > &_doubleSteps, const std::vector< size_t > &_doubleMultDimensions, const size_t _numSummations, const size_t _orderedIndicesMultDim)

Detailed Description

Implementation of the (indexed) Tensor evaluation (ie. generlized transpositions).

Definition in file indexedTensor_tensor_evaluate.cpp.

Macro Definition Documentation

VLA

#define VLA	(		T,
			name
	)		auto name##_store = xerus::misc::make_unique_array(new T); const auto & (name) = name##_store.get();