import sys
from matrices import Matrix
'''generates hadamard codes, using the hadamard matrix constructin, which are made using the sylvester construction
https://en.wikipedia.org/wiki/Hadamard_matrix
https://en.wikipedia.org/wiki/Hadamard_code'''
#the length of the codes will be 2 ** size
size = int(sys.argv[1])
H = Matrix([[1]])
while size:
size -= 1
H = H.append_right(H).append_under(H.append_right(H * -1))
for row in H.append_under(H * -1):
for i in row:
sys.stdout.write(str((i + 1) / 2))
sys.stdout.write('\n')
t.left(90)
#the length of the codes will be 2 ** size
size = int(sys.argv[1])
base = int(sys.argv[2])
try:
H = Matrix([[1]])
while size:
size -= 1
H = H.append_right(H).append_under(H.append_right(H * -1))
H = H.append_under(H * -1)
for y, row in enumerate(H):
for x, i in enumerate(row):
if i == 1:
square(x * base - len(H[0]) * base / 2,
y * base - len(H) * base / 2, base)
raw_input()
except KeyboardInterrupt:
pass
