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SyTen
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SyTen
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iPEPSv2 State structure. More...
#include <state.h>
Collaboration diagram for syten::IPEPSv2::State:Public Member Functions | |
| void | build_dl () |
| Builds all missing double-layer tensors. More... | |
| void | build_dl (Coord const &coord) |
| Builds the double-layer tensor at the specified coordinate. More... | |
| void | crude_truncate (Truncation trunc) |
| Crudely truncates the state down to the specified criterion using a series of simple-update SVDs. More... | |
| STensor & | dl (Coord const &coord) |
| Returns a reference to the double-layer tensor at the specified coordinate. More... | |
| STensor const & | dl (Coord const &coord) const |
| Returns a constant reference to the double-layer tensor at the specified coordinate, throws if this tensor has not been built yet. More... | |
| void | focus (Coord const &coord) |
Does QR-decompositions towards coordinate coord on all four neighbouring sites. More... | |
| int | getDepth () const |
| Returns the depth of the unit cell. More... | |
| int | getWidth () const |
| Returns the width of the unit cell. More... | |
| bool | has_complete_dl () const |
| Returns true of the state has a complete set of double-layer tensors. More... | |
| void | invalidate_dl (Coord const &coord) |
| Invalidates the double-layer tensor at the specified coordinate. More... | |
| Index | max_blocksize () const |
| Returns the maximal block size of the auxiliary bases in this state. More... | |
| Index | max_reduced_states () const |
| Returns the maximal reduced bases size of the auxiliary bases in this state. More... | |
| Index | max_total_states () const |
| Returns the maximal total bases size of the auxiliary bases in this state. More... | |
| void | normalise_tensors () |
| Normalises all tensors to have norm 1. More... | |
| STensor const & | operator() (Coord const &coord) const |
| Returns a const reference to the site tensor at the specified coordinate, preserves the double-layer tensor. More... | |
| State & | operator= (State &&other)=default |
| Move assignment operator. More... | |
| State & | operator= (State const &other)=default |
| Copy assignment operator. More... | |
| STensor & | operator[] (Coord const &coord) |
| Returns a reference to the site tensor at the specified coordinate, invalidates the double-layer tensor. More... | |
| STensor const & | operator[] (Coord const &coord) const |
| Returns a const reference to the site tensor at the specified coordinate, preserves the double-layer tensor. More... | |
| State ()=default | |
| Default ctor. More... | |
| State (Lattice const &lat) | |
| Standard ctor, initialises dimensions and bases but leaves tensors empty. More... | |
| State (State &&other)=default | |
| Default move ctor. More... | |
| State (State const &other)=default | |
| Default copy ctor. More... | |
Public Attributes | |
| Grid< SBasisId > | d |
| Local physical bases organised in a site-based grid. More... | |
| History | history |
| History storage. More... | |
| BondGrid< SBasisId > | m |
| Auxiliary/virtual bases of the state organised in a bond-based grid. More... | |
| BondGrid< SBasisId > | mdl |
| Auxiliary/virtual bases of the double-layer tensors organised in a bond-based grid. More... | |
Private Attributes | |
| int | depth |
| unit cell depth (vertical/forwards-backwards) More... | |
| Grid< STensor > | double_layer |
| Rank-4 double-layer tensors organised in a site-based grid. More... | |
| Grid< STensor > | state |
| State tensors organised in a site-based grid. More... | |
| int | width |
| unit cell width (horizontal/left-right) More... | |
Boost serialisation support | |
| static constexpr unsigned int | version = 3 |
| Boost serialisation version. More... | |
| static const std::string | uuid = "3b4d661e-c872-11e8-bbc2-27761324cb72" |
| Boost serialisation UUID identifying iPEPSv2 state files. More... | |
| template<typename Archive > | |
| void | save (Archive &ar, const unsigned int) const |
| Boost serialisation saving function. More... | |
| template<typename Archive > | |
| void | load (Archive &ar, const unsigned int in_version) |
| Boost serialisation loading function supporting older state files. More... | |
iPEPSv2 State structure.
1.9.4