def test_example_3(self):
v = Vector([-2.328, -7.284, -1.214])
w = Vector([-1.821, 1.072, -2.94])
assert not v.is_parallel(w)
assert not w.is_parallel(v)
def test_example_4(self):
v = Vector([2.118, 4.827])
w = Vector([0, 0])
assert v.is_parallel(w)
assert w.is_parallel(v)
def test_example_2(self):
v = Vector([-2.029, 9.97, 4.172])
w = Vector([-9.231, -6.639, -7.245])
assert not v.is_parallel(w)
assert not w.is_parallel(v)
def test_example_1(self):
v = Vector([-7.579, -7.88])
w = Vector([22.737, 23.64])
assert v.is_parallel(w)
assert w.is_parallel(v)
def test_is_parallel_2(self):
v = Vector([1, 1])
w = Vector([-3, -3])
assert v.is_parallel(w)
assert w.is_parallel(v)
def test_is_parallel_1(self):
v = Vector([1, 1])
w = Vector([3, 3])
assert v.is_parallel(w)
assert w.is_parallel(v)
def test_is_not_parallel(self):
v = Vector([1, 0])
w = Vector([0, 1])
assert not v.is_parallel(w)
assert not w.is_parallel(v)
