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SyTen
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SyTen
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The Conf struct stores info on how to evolve the state. More...
#include <krylov_evolve.h>
Inheritance diagram for syten::Krylov::Evolution::Conf: Collaboration diagram for syten::Krylov::Evolution::Conf:Public Member Functions | |
| Conf ()=default | |
| default constructor, leaving tbeg, tend and dt uninitialized More... | |
| Conf (SDef tend_, SDef dt_=0.01_r, SDef tbeg_=0_r) | |
| Conf constructor for simple configuration. should be used to set tbeg, tend and dt, as it tests that we can actually reach tend by adding dt to tbeg. More... | |
| Public Member Functions inherited from syten::IterativeConfig | |
| IterativeConfig (SRDef errTolerance_, SRDef inxTolerance_, Index maxIter_, Index minIter_, Index stepSolver_, Index maxGainlessSteps_, char mode_, char submode_) | |
| Standard ctor, because gcc 4.9.2 does not like braced init lists. More... | |
| template<typename Archive > | |
| void | serialize (Archive &ar, const unsigned int in_version) |
| Standard serialisation function. More... | |
| Public Member Functions inherited from syten::Truncation | |
| bool | notTruncating () const |
Returns true if *this corresponds to no truncation, i.e. More... | |
| template<typename Truncatable > | |
| SRDef | operator() (Truncatable &&s) const |
| Calls truncateKeepNorm() on the passed argument with *this as an argument. More... | |
| bool | operator== (Truncation const &other) const |
Returns true if *this is exactly equal to other More... | |
| bool | operator> (Truncation const &other) const |
| Returns true if any parameter of *this defines a stronger truncation (resulting in a potentially smaller state space) than the corresponding operator in other. More... | |
| void | scale (SRDef const norm) |
Scales *this to be correct for a tensor of norm n as opposed to norm 1. More... | |
| Truncation | scaled (SRDef const norm) const |
Copies *this, scales the copy to be correct for a tensor of norm n and returns the scaled object. More... | |
| template<typename Archive > | |
| void | serialize (Archive &ar, unsigned int const in_version) |
| Boost serialisation. More... | |
| Truncation (SRDef const threshold_=-1, Index const maxStates_=Maximum(), Index const maxBlocksize_=Maximum(), SRDef const weight_=-1) | |
| Standard ctor, works with 0 through 3 arguments. More... | |
Public Attributes | |
| SDef | dt = 0_r |
| step size in time propagation More... | |
| std::string | filename = "" |
| filename to eventually save final state to More... | |
| Index | normaliseInterval = std::numeric_limits<Index>::max() |
| normalise after this number of steps More... | |
| std::string | prefix = "krylov" |
| prefix to save location More... | |
| char | recyclingHeuristic = 'C' |
| identifies the heuristic to use in recyling of subspace More... | |
| Index | saveInterval =1 |
| save each saveInterval'th time step More... | |
| bool | store_krylov_subspace = false |
| stores krylov subspace objects in krylov evolver More... | |
| SDef | tbeg = 0_r |
| where to begin time propagation More... | |
| SDef | tend = 0_r |
| where to end time propagation More... | |
| bool | truncate_vectors_m = false |
| if true, truncate the intermediate Krylov vectors according to some maximal bond dimension. More... | |
| Public Attributes inherited from syten::IterativeConfig | |
| SRDef | errTolerance {SYTEN_SMALL_THRESHOLD} |
| Allowed error tolerance, e.g. More... | |
| SRDef | inxTolerance {1000 * SYTEN_SMALL_THRESHOLD} |
| Allowed error from inexact arithmetic, e.g. More... | |
| Index | maxGainlessSteps {5} |
| Maximal number of steps without gain. More... | |
| Index | maxIter {8} |
| Maximal number of iterations. More... | |
| Index | minIter {2} |
| Minimal number of iterations. More... | |
| char | mode {'C'} |
| The mode of operation, see modes_help for documentation. More... | |
| Index | stepSolver {2} |
| Check progress every stepSolver'th step. More... | |
| char | submode {'a'} |
| Submode, primarily used for re-orthogonalisation configuration, see submodes_help for documentation. More... | |
| Public Attributes inherited from syten::Truncation | |
| Index | maxBlocksize {Maximum()} |
| maximal blocksize of each dense block More... | |
| Index | maxStates {Maximum()} |
| maximal number of states to keep More... | |
| SRDef | threshold {-1} |
| Singular value threshold. More... | |
| bool | truncate_to_convergence {false} |
| If true, truncate repeatedly until the bond dimension no longer changes. More... | |
| SRDef | weight {-1} |
| Maximal discarded weight, given by \( \sum_{\mathrm{disc}} s_i^2 \). More... | |
Additional Inherited Members | |
| Static Public Attributes inherited from syten::IterativeConfig | |
| static std::string | evolve_modes_help |
| Static string describing the available modes. More... | |
| static std::string | evolve_submodes_help |
| Static string describing the available sub-modes. More... | |
| static std::string | simple_modes_help |
| Static string describing the available modes. More... | |
| static std::string | simple_submodes_help |
| Static string describing the available sub-modes. More... | |
| static constexpr unsigned int | version = 2 |
| Bump this if the above changes. More... | |
| Static Public Attributes inherited from syten::Truncation | |
| static constexpr unsigned int | version = 2 |
| Boost serialisation version. More... | |
The Conf struct stores info on how to evolve the state.
1.9.4