def decomposition_function(self, tiling: Tiling) -> Tuple[Tiling, Tiling]:
"""
Return a tuple of tiling. The first one avoids all the pattern in the
list while the other contain one of the patterns in the list.
"""
return tiling.add_obstructions(self.gps), tiling.add_list_requirement(
self.gps)
def __call__(self, comb_class: Tiling,
**kwargs) -> Iterator[RequirementInsertionStrategy]:
if comb_class.dimensions != (1, 1):
return
for strategy in super().__call__(comb_class):
t_with_new_req = comb_class.add_list_requirement(strategy.gps)
if (self.max_num_req is None
or len(t_with_new_req.requirements) <= self.max_num_req):
yield strategy