qr_to_back()

std::tuple< Tensor< 4 >, Tensor< 3 > > syten::IPEPS::qr_to_back

(

Tensor< 5 >

in

)

Moves the physical leg onto the backward bond.

References syten::Tensor< rank >::b(), syten::Basis::f(), syten::gM(), std::move(), and syten::QR::qr().

Referenced by syten::IPEPS::FullUpdate::vertical().

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