def less_resources2(ua, ub):
"""
ua must be <= ub
"""
Pa = ua.P
Pb = ub.P
if not isinstance(Pa, PosetProduct) or not isinstance(Pb, PosetProduct):
raise NotImplementedError((Pa, Pb))
tu = get_types_universe()
matches = []
for i, P in enumerate(Pa.subs):
for j, Q in enumerate(Pb.subs):
if j in matches: continue
if tu.leq(P, Q):
matches.append(j)
break
else:
# msg = 'Could not find match.'
return False
# now we have found an embedding
# first we create a projection for Pb
m1 = MuxMap(F=Pb, coords=matches)
ub2 = upperset_project_map(ub, m1)
Pb2 = ub2.P
UPb2 = UpperSets(Pb2)
# now we create the embedding
A_to_B, _ = tu.get_embedding(Pa, Pb2)
ua2 = upperset_project_map(ua, A_to_B)
print('Pa: %s' % Pa)
print('Pb2: %s' % Pb2)
print('ua2: %s' % ua2)
print('ub2: %s' % ub2)
return UPb2.leq(ua2, ub2)
def less_resources2(ua, ub):
"""
ua must be <= ub
"""
Pa = ua.P
Pb = ub.P
if not isinstance(Pa, PosetProduct) or not isinstance(Pb, PosetProduct):
raise NotImplementedError((Pa, Pb))
tu = get_types_universe()
matches = []
for i, P in enumerate(Pa.subs):
for j, Q in enumerate(Pb.subs):
if j in matches: continue
if tu.leq(P, Q):
matches.append(j)
break
else:
# msg = 'Could not find match.'
return False
# now we have found an embedding
# first we create a projection for Pb
m1 = MuxMap(F=Pb, coords=matches)
ub2 = upperset_project_map(ub, m1)
Pb2 = ub2.P
UPb2 = UpperSets(Pb2)
# now we create the embedding
A_to_B, _ = tu.get_embedding(Pa, Pb2)
ua2 = upperset_project_map(ua, A_to_B)
print('Pa: %s' % Pa)
print('Pb2: %s' % Pb2)
print('ua2: %s' % ua2)
print('ub2: %s' % ub2)
return UPb2.leq(ua2, ub2)
