Locally takes the dot product of two applied single-site operators.
a | first applied operator |
b | second applied operator, dual-space conjugated |
References syten::gen_vac(), syten::genSplit(), syten::IPEPS::AOneOp::location, syten::IPEPS::AOneOp::op, SYTEN_ASSERT_MSG, and syten::YesNo< struct _prod_conj >::y().