Implementation for inc/btt/parse_operator.h. More...
Namespaces | |
syten | |
The topmost namespace for this project. | |
syten::BTT | |
The namespace containing binary tree tensor networks. | |
syten::BTT::ParseOperator | |
Support classes and functions related to BTT operator parsing. | |
Functions | |
StackElementParser | syten::BTT::ParseOperator::getFunction (std::string token) |
Return the function matching the token specified. More... | |
Operator | syten::BTT::parse (Lattice const &lat, std::string const &desc) |
Parse an operator description. More... | |
Operator | syten::BTT::parse (std::string const &desc) |
Parse a lattice:operator description. More... | |
Functions implementing operations on the parsing stack | |
void | syten::BTT::ParseOperator::operatorF (std::stack< StackElement > &s, Lattice const &lat, Index position) |
Create a global operator from the topmost element: x_str|x_num|x_opr _o → x_opr More... | |
void | syten::BTT::ParseOperator::siteF (std::stack< StackElement > &s, Lattice const &lat, Index position) |
Create a single-site operator from the two topmost elements: a_str b_str _s → a(b) More... | |
void | syten::BTT::ParseOperator::sectorF (std::stack< StackElement > &s, Lattice const &lat, Index position) |
Create a sector from the topmost element: x_str → x_sec More... | |
void | syten::BTT::ParseOperator::multF (std::stack< StackElement > &s, Lattice const &lat, Index position) |
Multiply the two topmost elements: a_opr|a_num b_opr|b_num → a * b , a is applied first. More... | |
void | syten::BTT::ParseOperator::dotqF (std::stack< StackElement > &s, Lattice const &lat, Index position) |
Scalar product of two operators in the specified quantum number sector: a_opr b_opr q_sec → dot(a,b,q) More... | |
void | syten::BTT::ParseOperator::dotF (std::stack< StackElement > &s, Lattice const &lat, Index position) |
Scalar product of two operators in the vacuum quantum number sector: a_opr b_opr _dot → dot(a,b) , calls dotqF() if top of stack is sector. More... | |
void | syten::BTT::ParseOperator::addF (std::stack< StackElement > &s, Lattice const &lat, Index position) |
Addition of two operators or two numbers: a_num b_num → a+b | a_opr b_opr → a+b More... | |
Implementation for inc/btt/parse_operator.h.