genBranchId()

std::tuple< STensor, SBasisId > syten::T3N::genBranchId	(	SBasis const &	a_basis,
		SBasis const &	b_basis
	)

Generates an identity local operator in a T3N network for a physical Node.

Parameters

a_basis	incoming physical basis
b_basis	incoming left tensor network basis

References syten::STensorImpl::SBasis::dir(), syten::STensorImpl::gen_merge(), std::move(), and SYTEN_ASSERT_DEBUG.

Referenced by genBranchCmp(), syten::T3N::ProjectedPurification::genTransformation(), syten::T3N::Lattice::makeIdentity(), syten::T3N::RDMs::OneParticleRDM::twoSite_right_rec(), and syten::T3N::RDMs::OneParticleRDM::twoSite_upwards_rec().

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