private long Shift(
long r,
int shift)
{
//return (((long)((ulong) r >> shift) | (r << (BC - shift)))) & BC_MASK;
ulong temp = (ulong) r >> shift;
// NB: This corrects for Mono Bug #79087 (fixed in 1.1.17)
if (shift > 31)
{
temp &= 0xFFFFFFFFUL;
}
return ((long) temp | (r << (BC - shift))) & BC_MASK;
}
