On Tue, 3 Oct 2017 04:23 am, Ian Kelly wrote: >> py> (2**75 + 7) % 12 # Expected value. >> 3 >> py> ((2**75) % 12 + (7 % 12)) % 12 # Correct. >> 3 >> py> (2**75) % 12 + (7 % 12) # Incorrect. >> 15 > > No, only the final one is necessary. Modding the result of the > exponentiation might be useful for performance, but if c is expected > to be small then it may be pointless to mod that as well. > > py> ((2**75) % 12 + 7) % 12 # Still correct. > 3
Its been years since I've had to tackle modulo arithmetic, but the more I think about it, the more I think you are right. -- Steve “Cheer up,” they said, “things could be worse.” So I cheered up, and sure enough, things got worse. -- https://mail.python.org/mailman/listinfo/python-list
