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Tag Archives: xor
Swapping Variables
Many algorithms, including the world-famous Euclidean, require to swap the values of two variables. So you probably know the following principle. int x = 8; int y = 123; int tmp = x; x = y; y = tmp; However, … Continue reading
Posted in Bit-Twiddling, Information Theory, Uncategorized
Tagged bit-twiddling, c, logic, variable, xor
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The X-Factor (OR The Power of XOR)
Once upon a time, a girl (non-computer scientist) had bought two pieces of cake for coffee. She asked her nerdy boy-friend: ‘Do you want this one or that one?’ He said ‘Thanks!’ and he quickly moved both pieces onto his … Continue reading
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