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xerus
a general purpose tensor library
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xerus
a general purpose tensor library
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Internal representation of an readable and writeable indexed Tensor or TensorNetwork. More...
#include <indexedTensor.h>
Public Member Functions | |
| IndexedTensor (const IndexedTensor &_other)=delete | |
| There is no usefull copy constructor, because the handling of the tensorObject is unclear. More... | |
| IndexedTensor (IndexedTensor &&_other) | |
| Move constructor. More... | |
| IndexedTensor (tensor_type *const _tensorObject, const std::vector< Index > &_indices, const bool _takeOwnership) | |
| Constructs an IndexedTensor with the given tensor and indices and if ordered to do so takes owership of the tensorObject. More... | |
| IndexedTensor (tensor_type *const _tensorObject, std::vector< Index > &&_indices, const bool _takeOwnership) | |
| Constructs an IndexedTensor with the given tensor and indices and if ordered to do so takes owership of the tensorObject. More... | |
| void | operator+= (IndexedTensorReadOnly< tensor_type > &&_rhs) |
| Tensor add_assignment with indices. More... | |
| void | operator-= (IndexedTensorReadOnly< tensor_type > &&_rhs) |
| Tensor subtract_assignment with indices. More... | |
| void | operator= (IndexedTensorReadOnly< Tensor > &&_rhs) |
| Assignment operators – Used for tensor assignment WITH indices. More... | |
| void | operator= (IndexedTensorReadOnly< TensorNetwork > &&_rhs) |
| Assignment operators – Used for tensor assignment WITH indices. More... | |
| void | operator= (IndexedTensor< tensor_type > &&_rhs) |
| The following would be deleted due to move constructor and is therefore implemented here, calls the IndexedTensorReadOnly version. More... | |
 Public Member Functions inherited from xerus::internal::IndexedTensorWritable< tensor_type > | |
| virtual | ~IndexedTensorWritable () |
| template<> | |
| void | indexed_assignement (IndexedTensorReadOnly< Tensor > &&_rhs) |
| void | indexed_assignement (IndexedTensorReadOnly< Tensor > &&_rhs) |
| Tensor assignment with indices. More... | |
| void | indexed_assignement (IndexedTensorReadOnly< TensorNetwork > &&_rhs) |
| Tensor assignment with indices. More... | |
| template<> | |
| void | indexed_assignement (IndexedTensorReadOnly< TensorNetwork > &&_rhs) |
| template<> | |
| void | indexed_assignement (IndexedTensorReadOnly< Tensor > &&_rhs) |
| template<> | |
| void | indexed_assignement (IndexedTensorReadOnly< TensorNetwork > &&_rhs) |
| void | indexed_minus_equal (IndexedTensorReadOnly< tensor_type > &&_rhs) |
| Tensor subtract_assignment with indices. More... | |
| template<> | |
| void | indexed_minus_equal (IndexedTensorReadOnly< Tensor > &&_rhs) |
| template<> | |
| void | indexed_minus_equal (IndexedTensorReadOnly< TensorNetwork > &&_rhs) |
| void | indexed_plus_equal (IndexedTensorReadOnly< tensor_type > &&_rhs) |
| Tensor add_assignment with indices. More... | |
| template<> | |
| void | indexed_plus_equal (IndexedTensorReadOnly< Tensor > &&_rhs) |
| template<> | |
| void | indexed_plus_equal (IndexedTensorReadOnly< TensorNetwork > &&_rhs) |
| bool | is_owner () const |
| Check whether the IndexedTensorWritable has ownership of the tensor object. More... | |
| void | perform_traces () |
| : Performes all traces induces by the current indices and therby also evaluates all fixed indices. More... | |
| template<> | |
| void | perform_traces () |
| Public Member Functions inherited from xerus::internal::IndexedTensorReadOnly< tensor_type > | |
| IndexedTensorReadOnly ()=delete | |
| There is no usefull default constructor. More... | |
| IndexedTensorReadOnly (const IndexedTensorReadOnly &_other)=delete | |
| There is no usefull copy constructor for IndexedTensors. More... | |
| IndexedTensorReadOnly (IndexedTensorReadOnly< tensor_type > &&_other) noexcept | |
| Move-constructor. More... | |
| IndexedTensorReadOnly (const tensor_type *const _tensorObjectReadOnly, std::vector< Index > _indices) | |
| Constructs an IndexedTensorReadOnly using the given pointer and indices. More... | |
| virtual | ~IndexedTensorReadOnly () |
| Destructor must be virtual. More... | |
| void | assign_index_dimensions () |
| Assignes the indices using the current tensorObejct. More... | |
| void | assign_indices () |
| Assignes the indices using the degree of the tensorObejct. More... | |
| void | assign_indices (const size_t _degree) |
| Assignes the indices assuming the given degree. More... | |
| size_t | degree () const |
| Returns the degree of the associated tensorObejct. More... | |
| std::vector< size_t > | get_evaluated_dimensions (const std::vector< Index > &_indexOrder) |
| Returns the dimensionTuple the evaluation of this IndexedTensor to the given indices would have. More... | |
| operator value_t () const | |
| Allows cast to value_t if the degree of the current object is equal to 0. More... | |
| void | operator= (const IndexedTensorReadOnly &_rhs)=delete |
| : IndexedTensorReadOnly cannot be assigned as they are read only. More... | |
| void | operator= (IndexedTensorReadOnly &&_rhs)=delete |
| : IndexedTensorReadOnly cannot be assigned as they are read only. More... | |
| bool | uses_tensor (const tensor_type *_otherTensor) const |
| Checks whether _otherTensor is the tensorObejct of this IndexTensor. More... | |
Additional Inherited Members | |
| Public Attributes inherited from xerus::internal::IndexedTensorWritable< tensor_type > | |
| bool | deleteTensorObject |
| Flag indicating, whether the IndexedTensorWritable is the owner of the tensorObject. More... | |
| tensor_type * | tensorObject |
| Non-const pointer to the tensor object. More... | |
| Public Attributes inherited from xerus::internal::IndexedTensorReadOnly< tensor_type > | |
| std::vector< Index > | indices |
| Vector of the associates indices. More... | |
| bool | indicesAssigned = false |
| Flag indicating whether the indices are assinged. More... | |
| const tensor_type * | tensorObjectReadOnly |
| Pointer to the associated Tensor/TensorNetwork object. More... | |
| Protected Member Functions inherited from xerus::internal::IndexedTensorWritable< tensor_type > | |
| IndexedTensorWritable ()=delete | |
| There is no usefull default constructor;. More... | |
| IndexedTensorWritable (const IndexedTensorWritable &_other)=delete | |
| There is no usefull copy constructor, because the handling of the tensorObject is unclear. More... | |
| IndexedTensorWritable (IndexedTensorWritable &&_other) noexcept | |
| Move constructor. More... | |
| IndexedTensorWritable (tensor_type *const _tensorObject, const std::vector< Index > &_indices, const bool _takeOwnership) | |
| Constructs an IndexedTensorWritable with the given tensor and takes owership of the tensorObject if requested. More... | |
| IndexedTensorWritable (tensor_type *const _tensorObject, std::vector< Index > &&_indices, const bool _takeOwnership) | |
| Constructs an IndexedTensorWritable with the given tensor and takes owership of the tensorObject if requested. More... | |
Internal representation of an readable and writeable indexed Tensor or TensorNetwork.
This class appears inplicitly by indexing any Tensor or TensorNetwork. It is not recommended to use it explicitly or to store variables of this type (unless you really know what you are doing).
Definition at line 37 of file indexedTensor.h.
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delete |
There is no usefull copy constructor, because the handling of the tensorObject is unclear.
| xerus::internal::IndexedTensor< tensor_type >::IndexedTensor | ( | IndexedTensor< tensor_type > && | _other | ) |
Move constructor.
Definition at line 35 of file indexedTensor.cpp.
| xerus::internal::IndexedTensor< tensor_type >::IndexedTensor | ( | tensor_type *const | _tensorObject, |
| const std::vector< Index > & | _indices, | ||
| const bool | _takeOwnership | ||
| ) |
Constructs an IndexedTensor with the given tensor and indices and if ordered to do so takes owership of the tensorObject.
Definition at line 38 of file indexedTensor.cpp.
| xerus::internal::IndexedTensor< tensor_type >::IndexedTensor | ( | tensor_type *const | _tensorObject, |
| std::vector< Index > && | _indices, | ||
| const bool | _takeOwnership | ||
| ) |
Constructs an IndexedTensor with the given tensor and indices and if ordered to do so takes owership of the tensorObject.
Definition at line 42 of file indexedTensor.cpp.
| void xerus::internal::IndexedTensor< tensor_type >::operator+= | ( | IndexedTensorReadOnly< tensor_type > && | _rhs | ) |
Tensor add_assignment with indices.
Definition at line 63 of file indexedTensor.cpp.
| void xerus::internal::IndexedTensor< tensor_type >::operator-= | ( | IndexedTensorReadOnly< tensor_type > && | _rhs | ) |
Tensor subtract_assignment with indices.
Definition at line 68 of file indexedTensor.cpp.
| void xerus::internal::IndexedTensor< tensor_type >::operator= | ( | IndexedTensorReadOnly< Tensor > && | _rhs | ) |
Assignment operators – Used for tensor assignment WITH indices.
Note that this is NOT a classical assignment operator. In particular this and _rhs are NOT equivalent after the assignment.
Definition at line 53 of file indexedTensor.cpp.
| void xerus::internal::IndexedTensor< tensor_type >::operator= | ( | IndexedTensorReadOnly< TensorNetwork > && | _rhs | ) |
Assignment operators – Used for tensor assignment WITH indices.
Note that this is NOT a classical assignment operator. In particular this and _rhs are NOT equivalent after the assignment.
Definition at line 58 of file indexedTensor.cpp.
| void xerus::internal::IndexedTensor< tensor_type >::operator= | ( | IndexedTensor< tensor_type > && | _rhs | ) |
The following would be deleted due to move constructor and is therefore implemented here, calls the IndexedTensorReadOnly version.
Definition at line 48 of file indexedTensor.cpp.