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SyTen
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SyTen
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The StateWrapper class wraps a MPS/BTT-state to provide an interface complying to exponentialLanczos template. More...
#include <state_wrappers.h>
Inheritance diagram for syten::Krylov::StateWrapper< StateT, TruncT >:Public Types | |
| using | is_StateWrapper = std::true_type |
| type trait, to identify that we are dealing with a StateWrapper More... | |
| using | State_t = std::decay_t< StateT > |
| the type of the underlying state, cv-qualifiers and reference removed More... | |
| using | Trunc_t = std::decay_t< TruncT > |
| the type of the truncation, cv-qualifiers and reference removed More... | |
| using | type = StateWrapper< StateT, TruncT > |
| the type of *this More... | |
Public Member Functions | |
| SRDef | _norm () const |
| norm the norm of the underlying state More... | |
| MemoryUsage::MemorySize | allocSize () const |
| allocSize() support More... | |
| template<typename ... Ts> | |
| void | history (Ts &&...ts) const |
| history add an element to the history More... | |
| void | normalise () const |
| normalise underlying state More... | |
| operator State_t & () & | |
| operator State_t cast to the underlyinig state; lvalue overload More... | |
| operator State_t && () && | |
| operator State_t cast to the underlying state; rvalue overload More... | |
| operator State_t const & () const & | |
| operator State_t cast to the underlyinig state; const lvalue overload More... | |
| type | operator* (SDef prefactor) && |
| operator * multiplication by scalar; the rvalue version More... | |
| type | operator* (SDef prefactor) const & |
| operator * multiplication by scalar; the lvalue version More... | |
| type & | operator*= (SDef prefactor) |
| operator *= multiplication assignment (scalar version) More... | |
| type | operator+ (type const &snd) && |
| operator + add a state and an rvalue *this More... | |
| type | operator+ (type snd) const & |
| operator + addition of two statewrappers; lvalue-*this overload More... | |
| type & | operator+= (type const &rhs) |
| operator += addition assignment, defaulted More... | |
| type & | operator-= (type rhs) |
| operator -= subtraction assignment; More... | |
| type | operator/ (SDef divisor) && |
| operator / division by scalar; rvalue overload More... | |
| type | operator/ (SDef divisor) const & |
| operator / division by scalar; lvalue overload More... | |
| type & | operator/= (SDef divisor) |
| operator /= division assignment by scalar More... | |
| type & | operator= (type &&rhs)=default |
| operator = move assignment operator More... | |
| type & | operator= (type const &rhs)=default |
| operator = copy assignment operator, defaulted More... | |
| void | save (std::string const &s) const |
| save save underlying state More... | |
| StateWrapper ()=default | |
| the default constructor, with empty state and default truncation More... | |
| StateWrapper (State_t s, Trunc_t trunc) | |
| StateWrapper constructor from an underlying state and eventually a truncation specification. More... | |
| StateWrapper (State_t s, Trunc_t trunc, int) | |
| StateWrapper ctor from an underlying state and truncation specification, but without an additional truncation. More... | |
| StateWrapper (StateWrapper &&)=default | |
| StateWrapper move constructor. More... | |
| StateWrapper (StateWrapper const &)=default | |
| SRDef | truncateKeepNorm (Truncation const &trunc) |
| truncates the state as specified by the argument, not by the stored Truncation struct More... | |
| Trunc_t const & | truncator () const |
| Returns the stored truncation object. More... | |
Private Attributes | |
| State_t | state |
| state the state that is wrapped. mutable so that we can use const StateWrappers and cache/uncache the state at the same time More... | |
| Trunc_t | truncate |
| truncate a functor providing operator () for truncation after addition/subtraction More... | |
Friends | |
| template<typename Op > | |
| class | OperatorWrapper |
The StateWrapper class wraps a MPS/BTT-state to provide an interface complying to exponentialLanczos template.
1.9.4