def test_fast_dct_lee_invertibility(self):
for i in range(1, 18):
n = 2**i
vector = FastDctTest.random_vector(n)
temp = fastdctlee.transform(vector)
temp = fastdctlee.inverse_transform(temp)
temp = [(val * 2.0 / n) for val in temp]
self.assertListAlmostEqual(vector, temp)
def test_fast_dct_lee_invertibility(self): for i in range(1, 18): n = 2**i vector = FastDctTest.random_vector(n) temp = fastdctlee.transform(vector) temp = fastdctlee.inverse_transform(temp) temp = [(val * 2.0 / n) for val in temp] self.assertListAlmostEqual(vector, temp)
def test_fast_dct_lee_vs_naive(self):
for i in range(1, 12):
n = 2**i
vector = FastDctTest.random_vector(n)
expect = naivedct.transform(vector)
actual = fastdctlee.transform(vector)
self.assertListAlmostEqual(actual, expect)
expect = naivedct.inverse_transform(vector)
actual = fastdctlee.inverse_transform(vector)
self.assertListAlmostEqual(actual, expect)
def test_fast_dct_lee_vs_naive(self): for i in range(1, 12): n = 2**i vector = FastDctTest.random_vector(n) expect = naivedct.transform(vector) actual = fastdctlee.transform(vector) self.assertListAlmostEqual(actual, expect) expect = naivedct.inverse_transform(vector) actual = fastdctlee.inverse_transform(vector) self.assertListAlmostEqual(actual, expect)