def test_random(self):
npr.seed(1)
mean = 30
for ii in range(1000):
length = npr.geometric(1/(mean-2)) + 2
binary1 = npr.rand(length) < 0.5
gray = binary2gray(binary1)
binary2 = gray2binary(gray)
nptest.assert_equal(binary1, binary2)
def test_basic_101001(self):
x = np.array([1, 0, 1, 0, 0, 1])
y = binary2gray(x)
t = np.array([1, 1, 1, 1, 0, 1])
nptest.assert_array_equal(y, t)
def test_basic_11111(self):
x = np.ones(5)
y = binary2gray(x)
t = np.array([1, 0, 0, 0, 0])
nptest.assert_array_equal(y, t)
def test_basic_0000(self):
x = np.zeros(4)
y = binary2gray(x)
t = np.zeros(4)
nptest.assert_array_equal(y, t)