private static MGRB DoBitOperation(MGRB bits, MGRB c, OPERATION op, int maxsize)
{
if (bits != null)
{
switch (op)
{
case OPERATION.AND:
bits = bits.And(c);
break;
case OPERATION.OR:
bits = bits.Or(c);
break;
case OPERATION.ANDNOT:
bits = bits.And(c.Not(maxsize));
break;
}
}
else
{
bits = c;
}
return(bits);
}
public MGRB AndNot(MGRB b)
{
long c = _size;
if (b._size > c)
{
c = b._size;
}
return(And(b.Not(c)));
}
public MGRB Query(RDBExpression ex, object from, int maxsize)
{
lock (_lock)
{
bool b = (bool)from;
if (b)
{
return(_bits);
}
else
{
return(_bits.Not(maxsize));
}
}
}
