def test_hexagonal_lattice_2_2_factory(self):
coupling = CouplingMap.from_hexagonal_lattice(2, 2, bidirectional=False)
edges = coupling.get_edges()
expected = [
(0, 1),
(1, 2),
(2, 3),
(3, 4),
(5, 6),
(6, 7),
(7, 8),
(8, 9),
(9, 10),
(11, 12),
(12, 13),
(13, 14),
(14, 15),
(0, 5),
(2, 7),
(4, 9),
(6, 11),
(8, 13),
(10, 15),
]
self.assertEqual(set(edges), set(expected))
class TestVF2LayoutLattice(LayoutTestCase):
"""Fit in 25x25 hexagonal lattice coupling map"""
cmap25 = CouplingMap.from_hexagonal_lattice(25, 25, bidirectional=False)
def graph_state_from_pygraph(self, graph):
"""Creates a GraphState circuit from a PyGraph"""
adjacency_matrix = retworkx.adjacency_matrix(graph)
return GraphState(adjacency_matrix).decompose()
def test_hexagonal_lattice_graph_20_in_25(self):
"""A 20x20 interaction map in 25x25 coupling map"""
graph_20_20 = retworkx.generators.hexagonal_lattice_graph(20, 20)
circuit = self.graph_state_from_pygraph(graph_20_20)
dag = circuit_to_dag(circuit)
pass_ = VF2Layout(self.cmap25, seed=self.seed, max_trials=1)
pass_.run(dag)
self.assertLayout(dag, self.cmap25, pass_.property_set)
def test_hexagonal_lattice_graph_9_in_25(self):
"""A 9x9 interaction map in 25x25 coupling map"""
graph_9_9 = retworkx.generators.hexagonal_lattice_graph(9, 9)
circuit = self.graph_state_from_pygraph(graph_9_9)
dag = circuit_to_dag(circuit)
pass_ = VF2Layout(self.cmap25, seed=self.seed, max_trials=1)
pass_.run(dag)
self.assertLayout(dag, self.cmap25, pass_.property_set)