self.disjoint = And(Ge(x, 0), Ge(-x + 2, 0), Ge(y, 0), Ge(-y + 2, 0))
self.compliment = Or(Ge(-x - 1, 0), Ge(x - 3, 0), And(Ge(x, 0), Ge(-x + 2, 0), Ge(-y - 1, 0)), And(Ge(x, 0), Ge(-x + 2, 0), Ge(y - 3, 0)))
self.hull = And(Ge(x, 0), Ge(-x + 2, 0), Ge(y, 0), Ge(-y + 2, 0))
+ self.dropped = And(Ge(y, 0), Ge(-y + 2, 0))
self.sample = And(Eq(y - 3, 0), Eq(x - 1, 0))
self.intersection = And(Ge(x - 1, 0), Ge(-x + 2, 0), Ge(y - 1, 0), Ge(-y + 2, 0))
self.union = Or(And(Ge(x, 0), Ge(-x + 2, 0), Ge(y, 0), Ge(-y + 2, 0)), And(Ge(x - 1, 0), Ge(-x + 3, 0), Ge(y - 1, 0), Ge(-y + 3, 0)))
def test_polyhedral_hull(self):
self.assertEqual(self.square1.polyhedral_hull(), self.hull)
- @unittest.expectedFailure
+ def test_drop_dims(self):
+ self.assertEqual(self.square1.drop_dims('x'), self.dropped)
+ self.assertEqual(self.square1.drop_dims('x y'), self.universe)
+ self.assertEqual(self.universe.drop_dims(' '), self.universe)
+ self.assertEqual(self.empty.drop_dims(' '), Empty)
+
def test_simplify(self):
self.assertEqual(self.universe.simplify(), self.universe)
self.assertEqual(self.empty.simplify(), Empty)