uint64_interleave_2()

static uint64_t uint64_interleave_2 ( uint64_t  x, uint64_t  y  )

inlinestatic

Definition at line 237 of file lwinline.h.

{
        x = (x | (x << 16)) & 0x0000FFFF0000FFFFULL;
        x = (x | (x << 8)) & 0x00FF00FF00FF00FFULL;
        x = (x | (x << 4)) & 0x0F0F0F0F0F0F0F0FULL;
        x = (x | (x << 2)) & 0x3333333333333333ULL;
        x = (x | (x << 1)) & 0x5555555555555555ULL;
 
        y = (y | (y << 16)) & 0x0000FFFF0000FFFFULL;
        y = (y | (y << 8)) & 0x00FF00FF00FF00FFULL;
        y = (y | (y << 4)) & 0x0F0F0F0F0F0F0F0FULL;
        y = (y | (y << 2)) & 0x3333333333333333ULL;
        y = (y | (y << 1)) & 0x5555555555555555ULL;
 
        return x | (y << 1);
}

Referenced by uint32_hilbert().

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