def test_contains():
vec1 = np.arange(2, 6)
vec2 = np.arange(-4, 5, 2)
grid = TensorGrid(vec1, vec2)
point_list = []
for x in vec1:
for y in vec2:
point_list.append((x, y))
assert all(p in grid for p in point_list)
assert not (0, 0) in grid
assert (0, 0) not in grid
assert (2, 0, 0) not in grid
# Fuzzy check
assert grid.approx_contains((2.1, -2.1), tol=0.15)
assert not grid.approx_contains((2.2, -2.1), tol=0.15)
# 1d points
grid = TensorGrid(vec1)
assert 3 in grid
assert 7 not in grid