On 29/04/2013 17:15, josef.p...@gmail.com wrote: > Is there a available function to convert an int to binary > representation as sequence of 0 and 1?
... > That's the best I could come up with in a few minutes: ... > def int2bin(x, width, roll=True): > x = np.atleast_1d(x) > res = np.zeros(x.shape + (width,) ) > for i in range(width): > x, r = divmod(x, 2) > res[..., -i] = r > if roll: > res = np.roll(res, width-1, axis=-1) > return res I haven't actually run a benchmark but r = (x >> i) & 0x01 or r = (x >>= 1) & 0x01 may be faster than x, r = divmod(x, 2) Cheers, Daniele _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
