Returns the Manhattan distance between sites a and b.
References syten::abs().
Referenced by syten::IPEPS::Vert2CTM::expectation_value(), horizontal_simple_update(), syten::IPEPS::Vert2CTM::setup(), syten::IPEPS::Horz2CTM::setup(), and vertical_simple_update().
Here is the call graph for this function:
Here is the caller graph for this function: