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by lilllly
1306 days ago
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I can easily test if n+1 is < n with fwrapv. Without you have to do convoluted things like rearranging the expression to unnatural forms (move the addition to the right but invert to subtraction, etc), special case INT_MAX/INT_MIN, and so on - which you then have to hope the compiler is smart enough to optimize, which it often isn't (oh how ironic). |
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