makeParity()

Operator syten::T3N::Lat::makeParity	(	T3N::Lattice const &	lat,
		std::string_view	identityId = "I"
	)

Given a ptr into a node of an identity operator, it turns the subtree below that node into a parity operator.

Parameters

node	root of the subtree to be made a parity operator
symmetry	1-indexed number of the particle number symmetry
label	0-indexed particle number label of the symmetry

References syten::T3N::Tree::Node< T >::ndt, syten::T3N::Operator::uIdx, and syten::T3N::Tree::Node< T >::v.