Normalises the network from position pos
towards towards
.
References syten::TDVP::Conf::cache, syten::T3N::DMRG::Contractions::cache(), syten::T3N::DMRG::Contractions::clear(), conf, contract(), syten::T3N::State::descendantNormaliseNode(), syten::Timer::end(), syten::T3N::Tree::Node< T >::Legs, syten::logGD(), std::max(), max_trunc_error, syten::Timer::middle(), psi, syten::T3N::State::rootNormaliseNode(), syten::Timer::start(), timer, trunc_error, syten::T3N::DMRG::Contractions::uncache(), and syten::T3N::Tree::Node< T >::v.
Referenced by mode_transform_node().