Remove lattices.py on master -- not finished

abp/lattices.py

@@ -1,61 +0,0 @@
-"""
-This is a sketch of a consistent language for defining resource states and lattices.
-"""
-
-import networkx as nx
-from abp.fancy import GraphState
-
-def union(*graphs):
-    """ Assumes that all graphs are completely independent and uniquely labelled """
-    output = nx.Graph()
-    output.node = dict(i for g in graphs for i in g.node.items())
-    output.adj = dict(i for g in graphs for i in g.adj.items())
-    return output
-
-def relabel(g, label):
-    """ Shorthand relabel """
-    return nx.relabel_nodes(g, lambda x: (label, x))
-
-def fuse(psi, na, nb):
-    """ Deterministic fusion for testing purposes """
-    neighbors_a, neighbors_b = psi.neighbors(na), psi.neighbors(nb)
-    new_edges = ((i, j) for i in neighbors_a for j in neighbors_b if i != j)
-    psi.add_edges_from(new_edges)
-    psi.remove_nodes_from((na, nb))
-    return psi
-
-def ghz(label):
-    """ A 3-GHZ state """
-    psi = nx.Graph(((0, 1), (1, 2)))
-    return relabel(psi, label)
-
-def microcluster(label):
-    """ A microcluster """
-    psi = union(ghz(0), ghz(1), ghz(2))
-    psi = fuse(psi, (0, 1), (1, 0))
-    psi = fuse(psi, (1, 2), (2, 1))
-    return relabel(psi, label)
-
-def unit_cell(label):
-    """ A simple ring-like unit cell """
-    psi = union(microcluster(0), microcluster(1), microcluster(2), microcluster(3))
-    psi = fuse(psi, (0, (0, 2)), (1, (2, 2)))
-    psi = fuse(psi, (1, (0, 2)), (2, (2, 2)))
-    psi = fuse(psi, (2, (0, 2)), (3, (2, 2)))
-    psi = fuse(psi, (3, (0, 2)), (0, (2, 2)))
-    return relabel(psi, label)
-
-def position(node):
-    print node
-    return {}
-
-def annotate(g, f):
-    """ Annotate a graph """
-    for node in g.nodes():
-        g.node[node].update(f(node))
-
-if __name__ == '__main__':
-    psi = union(unit_cell((0, 0)), unit_cell((2, 0)))
-    annotate(psi, position)
-    g = GraphState(psi)
-