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Alex Rivera
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A bit of a philosophical question, I suppose. The C language has the standard set of bit-wise operations, including OR , AND , XOR , SHIFT LEFT/RIGHT , and NOT . Why aren't rotate left/rotate right operators or functions included in the language? These operators are of the same complexity as other bit-wise operators and normally require a single assembly instruction, like the others. Besides, I can think of a lot of uses for rotate operator, probably not less than, say, xor operator - so it sounds a bit strange to me that they aren't included in C along with the rest. If you do need to rotate in C or C++, there's a separate FAQ question about best-practices for it . Discussion of that is off-topic for this question.
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