[Function] rightRot(unsigned x, unsigned n): rotate x to right by n bit positions

/* rightRot: rotate x to right by n bit positions */ unsigned rightRot(unsigned x, unsigned n) { unsigned int temp, len, mostRight; for (temp = x, len = 1; (temp >>= 1); len++) { ; } mostRight = (1 << len); n %= len; while (n--) { if (x & 0x1) { x = ((x >> 1) | mostRight); } else { x >>= 1; } } return x; }