uint32_t BitReverse(uint32_t x) { x = (((x & 0xAAAAAAAA) >> 1) | ((x & 0x55555555) << 1)); x = (((x & 0xCCCCCCCC) >> 2) | ((x & 0x33333333) << 2)); x = (((x & 0xF0F0F0F0) >> 4) | ((x & 0x0F0F0F0F) << 4)); x = (((x & 0xFF00FF00) >> 8) | ((x & 0x00FF00FF) << 8)); return ((x >> 16) | (x << 16)); }