Created
May 14, 2025 15:20
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Generates bit reversal sequences ie. a permutation of integer from 0 to N - 1
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| import math | |
| def bit_reversal_sequence(N): | |
| bit_count = int(math.ceil(math.log2(N))) | |
| for i in range(2 ** bit_count): | |
| bit_str = bin(i)[2:].rjust(bit_count, '0') | |
| bit_str = ''.join(reversed(bit_str)) | |
| j = int(bit_str, 2) | |
| if j < N: | |
| yield j |
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