def generate_d_disjunct(universe_size):
k = estitmate_code_length(universe_size)
code = hamming_code.get_code(k)
generator = code.generate_code_words()
code_words_set = []
try:
while len(code_words_set) < universe_size:
code_word = generator.next()
if linear_codes.code_weight(code_word) == 3:
code_words_set.append(linear_codes.make_set(code_word))
except StopIteration:
raise
return matrix_operations.NumpyMatrix.make_matrix_from_columns(code_words_set)
def test_hamming_matrix():
assert (hamming_code.get_code(7) == linear_codes.Code(numpy.array([[ 1., 1., 0., 1., 0., 0., 0.],
[ 1., 0., 1., 0., 1., 0., 0.],
[ 0., 1., 1., 0., 0., 1., 0.],
[ 1., 1., 1., 0., 0., 0., 1.]]), 3))
