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I'm working in a randomized algorithm. In a heavy loop, I'm using rand() function. To determine the complexity of the algorithm, I need to know the complexity of rand(). I'm assuming it runs in constant time, but I'm not sure. Is its running time constant?
Also, I need to know the period of the sequence generated by rand(). Is it or any upper bound known (except RAND_MAX, I think the upper bound is lower than RAND_MAX)? I would like to see the implementation of rand(). I could not find it in VS 2008's cstdlib file. Where can I find it?
Any help will be greatly appreciated. Thanks.