def test_external_edge_identical_particle_combinatorics(
initial_state, final_state, final_state_groupings, result_graph_count):
tbd_manager = StateTransitionManager(initial_state,
final_state, [],
formalism_type='helicity')
tbd_manager.set_allowed_interaction_types([InteractionTypes.Strong])
for x in final_state_groupings:
tbd_manager.add_final_state_grouping(x)
tbd_manager.number_of_threads = 1
topology_graphs = tbd_manager.build_topologies()
init_graphs = tbd_manager.create_seed_graphs(topology_graphs)
match_external_edges(init_graphs)
comb_graphs = []
for x in init_graphs:
comb_graphs.extend(
perform_external_edge_identical_particle_combinatorics(x))
assert len(comb_graphs) == result_graph_count
ref_mapping_fs = create_edge_id_particle_mapping(comb_graphs[0],
get_final_state_edges)
ref_mapping_is = create_edge_id_particle_mapping(comb_graphs[0],
get_initial_state_edges)
for x in comb_graphs[1:]:
assert ref_mapping_fs == create_edge_id_particle_mapping(
x, get_final_state_edges)
assert ref_mapping_is == create_edge_id_particle_mapping(
x, get_initial_state_edges)
def test_edge_swap(initial_state, final_state):
tbd_manager = StateTransitionManager(initial_state,
final_state, [],
formalism_type='helicity')
tbd_manager.set_allowed_interaction_types([InteractionTypes.Strong])
tbd_manager.number_of_threads = 1
topology_graphs = tbd_manager.build_topologies()
init_graphs = tbd_manager.create_seed_graphs(topology_graphs)
for x in init_graphs:
ref_mapping = create_edge_id_particle_mapping(x, get_final_state_edges)
edge_keys = list(ref_mapping.keys())
edge1 = edge_keys[0]
edge1_val = x.edges[edge1]
edge1_props = x.edge_props[edge1]
edge2 = edge_keys[1]
edge2_val = x.edges[edge2]
edge2_props = x.edge_props[edge2]
x.swap_edges(edge1, edge2)
assert x.edges[edge1] == edge2_val
assert x.edges[edge2] == edge1_val
assert x.edge_props[edge1] == edge2_props
assert x.edge_props[edge2] == edge1_props
def test_external_edge_initialization(initial_state, final_state,
final_state_groupings,
result_graph_count):
tbd_manager = StateTransitionManager(initial_state,
final_state, [],
formalism_type='helicity')
tbd_manager.set_allowed_interaction_types([InteractionTypes.Strong])
for x in final_state_groupings:
tbd_manager.add_final_state_grouping(x)
tbd_manager.number_of_threads = 1
topology_graphs = tbd_manager.build_topologies()
init_graphs = tbd_manager.create_seed_graphs(topology_graphs)
assert len(init_graphs) == result_graph_count
def test_match_external_edges(initial_state, final_state):
tbd_manager = StateTransitionManager(initial_state,
final_state, [],
formalism_type='helicity')
tbd_manager.set_allowed_interaction_types([InteractionTypes.Strong])
tbd_manager.number_of_threads = 1
topology_graphs = tbd_manager.build_topologies()
init_graphs = tbd_manager.create_seed_graphs(topology_graphs)
match_external_edges(init_graphs)
ref_mapping_fs = create_edge_id_particle_mapping(init_graphs[0],
get_final_state_edges)
ref_mapping_is = create_edge_id_particle_mapping(init_graphs[0],
get_initial_state_edges)
for x in init_graphs[1:]:
assert ref_mapping_fs == create_edge_id_particle_mapping(
x, get_final_state_edges)
assert ref_mapping_is == create_edge_id_particle_mapping(
x, get_initial_state_edges)