9 righe
274 B
C
9 righe
274 B
C
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#ifdef __GNUC__
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# define roundup(x, y) (__builtin_constant_p (y) && powerof2 (y) \
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? (((x) + (y) - 1) & ~((y) - 1)) \
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: ((((x) + ((y) - 1)) / (y)) * (y)))
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#else
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# define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
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#endif
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