Author: Bruce Moreland
Date: 19:33:41 05/16/00
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On May 16, 2000 at 22:14:49, Antonio Dieguez wrote: >hello, at last im really implementing hash tables, and they are already working >on my program, more or less. > >I have a doubt about the ^, am sorry my complete ignorance but what kind of >numbers appears? for example two numbers of 7 digits sometimes results on a >number of 8 digits! and off course this cant be out of control if it is the >index for the hash table. > >Thanks in advance... > >bye bye............. be well. > >me. ^ is XOR. If you say A ^ B, you get zeros in every bit position except where there was a one-bit in A and a zero-bit in B, or vice versa. 1 ^ 1 = 0 1 ^ 0 = 1 0 ^ 1 = 1 0 ^ 0 = 0 There is no carrying, so if you have two numbers A and B, A ^ B can't be more than A | B. You can't XOR two 7-bit numbers and get a number that's 8-bits. bruce
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