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SyTen
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SyTen
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#include <operator.h>
Inheritance diagram for syten::T3N::Operator: Collaboration diagram for syten::T3N::Operator:Public Types | |
| typedef T3N::Tree::Tree< SBasis > | PhysBases |
| To satisfy annoying compilers. More... | |
| Public Types inherited from syten::T3N::Tree::Tree< T3NTensor > | |
| using | cPtr = const Node * |
| An overload. More... | |
| using | cPtrc = const Node *const |
| An overload. More... | |
| typedef T3N::Tree::Node< Value > | Node |
| Shortcut for the Nodes. More... | |
| using | Ptr = Node * |
| Pointer to Node. More... | |
| using | Ptrc = Node *const |
| An overload. More... | |
| typedef std::vector< std::tuple< Index, std::vector< Index >, NodeType, Index > > | Structure |
| Return type of tree information for plotting. More... | |
| typedef std::map< int, Position > | Translator |
| Translator to call Nodes. More... | |
| typedef T3NTensor | Value |
| Type of the contained values. More... | |
Public Member Functions | |
| MemoryUsage::MemorySize | allocSize () const |
| Returns the total size of this. More... | |
| template<typename Archive > | |
| void | load (Archive &arch, unsigned int const in_version) |
| Boost load. More... | |
| template<typename Archive > | |
| void | load_rec (Archive &arch, Ptrc ptr) |
| Load recursive helper. More... | |
| Operator ()=default | |
| Default constructor. More... | |
| Operator (PhysBases const &physical) | |
| Initialising to zero operator. More... | |
| bool | operator== (Operator const &other) const |
| void | print (std::ostream &out) |
| Prints all virtual leg dimensions. More... | |
| void | repro () |
| Helper to renew all virtual SBases indices. More... | |
| template<typename Archive > | |
| void | save (Archive &arch, unsigned int const) const |
| Boost save. More... | |
| template<typename Archive > | |
| void | save_rec (Archive &arch, Ptrc ptr) const |
| Save recursive helper. More... | |
Access functions. | |
| T3NTensor & | operator() (int const element) |
| Return the local operator component at that coordinate. More... | |
| T3NTensor & | operator() (Vec< Index > const &coordinate) |
| Return the local operator component at that coordinate. More... | |
| Ptr | operator[] (int const element) const |
| Returns a Ptr to the Node at the specified coordinate. More... | |
| Ptr | operator[] (Vec< Index > const &coordinate) const |
| Returns a Ptr to the Node at the specified coordinate. More... | |
Dropping of tensor blocks | |
| void | drop_all () |
| Drops all blocks on all tensors, i.e. sets the state to zero. More... | |
Truncation. | |
| SRDef | truncate (TruncationType const &type=TruncationType::Default, bool const verbose=false, SRDef const threshold=NAN, bool const nowarn=false) |
| Truncates the operator. More... | |
| SRDef | truncate_impl (TruncationType const &type, Index const max_sweeps, bool const verbose, SRDef threshold, bool const nowarn) |
| Implementation. More... | |
| SRDef | truncate_rec (Ptrc ptr, TruncationType const &type, SRDef const threshold) |
| Truncates the subtree starting at the specified node in largely the same fashion as for states. More... | |
| SRDef | rootNormaliseNode (Ptrc ptr, TruncationType const &type, SRDef const threshold) |
| Root-normalise the node pointed to by ptr. More... | |
| SRDef | descendantNormaliseNode (Ptrc ptr, TruncationType const &type, SRDef const threshold, LegType const which) |
| Normalises the node pointed to by ptr to the which-th direction. More... | |
| SRDef | rootNormaliseTree (TruncationType const &type, SRDef const threshold) |
| Normalises the entire operator. More... | |
Caching of tensors. | |
| void | cache (bool const do_cache=true) |
| Caches all tensors. More... | |
| void | uncache () |
| Uncaches all tensors. More... | |
Cuda related functions. | |
| void | make_cuda () |
| Loads entire operator onto GPU. More... | |
| void | maybe_make_cuda () |
| Maybe loads the operator onto the GPU. More... | |
| void | make_standard () |
| Loads operator into RAM. More... | |
| Public Member Functions inherited from syten::T3N::Tree::Tree< T3NTensor > | |
| MemoryUsage::MemorySize | allocSize () const |
| Structure | genStructure () const |
| Returns structure for pretty plotting. More... | |
| Position | left_most () const |
| Returns the left-most node. More... | |
| void | load (Archive &arch, unsigned int const in_version) |
| Boost load. More... | |
| bool | mp () const |
| Returns true, if tree only contains physical nodes. More... | |
| Tree & | operator= (Tree &&other) |
| Move assignment operator. More... | |
| Tree & | operator= (Tree const &other) |
| Copy assignment operator. More... | |
| bool | operator== (Tree< OtherType > const &other) const |
| Compare the structure of two trees. More... | |
| Position | right_most () const |
| Returns the right-most node. More... | |
| void | save (Archive &arch, unsigned int) const |
| Boost save. More... | |
| Index | size () const |
| Counts all Nodes of this tree. More... | |
| Index | sizeOf (NodeType const type) const |
| Counts the number of Nodes w/ the given type. More... | |
| Tree (NodeType root=NodeType::Physical) | |
| Default constructor. More... | |
| Tree (NodeType root=NodeType::Physical, Args... args) | |
| Constructor forwarding the container. More... | |
| Tree (Tree &&other) | |
| Move constructor. More... | |
| Tree (Tree const &other) | |
| Copy constructor. More... | |
| ~Tree () | |
| Destructor. More... | |
| Ptr | operator[] (Position const &coordinate) const |
| Returns the Ptr to the Node specified through the coordinate vector by the following syntax: More... | |
| Ptr | operator[] (int const element) const |
| void | visit (Func &&func) |
| Shortcut. More... | |
| void | visit (Func &&func, Ptr ptr) |
| Shortcut. More... | |
Public Attributes | |
| bool | cache_flag = false |
| Determines if data should be cached immediately after de-serializing. More... | |
| Public Attributes inherited from syten::T3N::Tree::Tree< T3NTensor > | |
| Ptr | Root |
| Root of the tree. More... | |
| Translator | translator |
| Instance. More... | |
Static Public Attributes | |
| static constexpr Index | branchRank = 3 |
| The rank which the branching STenors contained should have. More... | |
| static std::array< std::string, 3 > const | branchVirtNames = { "Root","A-Leg","B-Leg" } |
| Names of the virtual Legs of Branching Nodes. More... | |
| static std::array< std::string, 4 > const | physNames = { "Root","Up","Down","A-Leg" } |
| Names of the virtual Legs of Physical Nodes. More... | |
| static constexpr Index | physRank = 4 |
| The rank which the physical STenors contained should have. More... | |
| static const std::string | uuid = "4d114346-46f6-11e8-842f-0ed5f89f718b" |
| UUID of a T3N::Operator. More... | |
| static constexpr unsigned int | version = 2 |
| Version number of state. More... | |
| static const std::array< Direction, branchRank > | branchingDirs |
| Branching Dirs. More... | |
| static const std::array< Direction, physRank > | physicalDirs |
| Physical Dirs. More... | |
Private Member Functions | |
| void | buildEmptyOperator_rec (typename Tree::Tree< SBasis >::Ptr const p, Operator::Ptr optr) |
| Helper function. More... | |
| std::tuple< SRDef, STensor, STensor, SBasis > | truncation_decompose (Ptrc ptr, TruncationType const &type, SRDef const threshold, LegType const dir) |
| Helper for the truncation. More... | |
Index numbering | |
| static constexpr Index | rIdx = 1 |
| Root-directed tensor index. More... | |
| static constexpr Index | aIdx_P = 4 |
| Index of the descendent. More... | |
| static constexpr Index | uIdx = 2 |
| Upper tensor index for physical nodes only. More... | |
| static constexpr Index | dIdx = 3 |
| Lower tensor index for physical nodes only. More... | |
| static constexpr Index | aIdx_B = 3 |
| Index of the A-Leg. More... | |
| static constexpr Index | bIdx = 2 |
| Index of the B-Leg. More... | |
| static Index | getIndex (LegType l, NodeType n) |
| Gets the STensor Index for the respective leg. More... | |
Product of two operators | |
| Operator & | operator*= (Operator const &other) |
Product of two operators \( \hat O \; \hat T \), *this will be applied first to the state. More... | |
| void | product_rec (Operator::Ptrc tptr, Operator::cPtrc optr) |
| Recursive helper for operator multiplication. More... | |
Addition of two operators | |
| Operator & | operator+= (Operator const &other) |
Adds the argument to *this More... | |
| Operator & | operator-= (Operator const &other) |
Subtracts the argument from *this More... | |
| void | add_rec (Operator::Ptr tptr, Operator::Ptr const optr) |
| Recursive helper for operator addition. More... | |
Additional Inherited Members | |
| Static Public Member Functions inherited from syten::T3N::Tree::Tree< T3NTensor > | |
| static void | visit (Func &&f, const Pair< IterDirection, IterDirection > directions, Ptr ptr) |
| static std::result_of< Func(Ptr)>::type | visit (Func &&f, typename std::result_of< Func(Ptr)>::type initial, Pair< IterDirection, IterDirection > directions, Ptr ptr) |
| Recursively visits a subtree, bottom-first. More... | |
| static std::result_of< Func(Ptr)>::type | visit (Func &&f, Op &&operation, typename std::result_of< Func(Ptr)>::type initial, Pair< IterDirection, IterDirection > directions, Ptr ptr) |
A T3N operator.
1.9.1