(a)
return a ^ t ^ ((t >> 18) & 0x3fff)
Clever bit manipulation.
Clever bit manipulation.
Clever bit manipulation .
def _HPERM_OP(a):
    """Clever bit manipulation."""
    t = ((a << 18) ^ a) & 0xcccc0000
    return a ^ t ^ ((t >> 18) & 0x3fff)
def _HPERM_OP ( a ) : t = ( ( a << 18 ) ^ a ) & 0xcccc0000 return a ^ t ^ ( ( t >> 18 ) & 0x3fff )