All pastes #459926 Raw Edit

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public text v1 · immutable
#459926 ·published 2007-04-26 19:34 UTC
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        /* Round up to nearest power of two */
        size -= 1;
#define clp2shift(x,num) ((x) >> num)
        size |= clp2shift(size, 1);
        size |= clp2shift(size, 2);
        size |= clp2shift(size, 4);
        size |= clp2shift(size, 8);
        size |= clp2shift(size, 16);
        size += 1;
#undef clp2shift