public static IteratingRLW32 bufferedand(final int bufSize,
                                             final IteratingRLW32... al) {
        if (al.length == 0)
            throw new IllegalArgumentException(
                    "Need at least one iterator");
        if (al.length == 1)
            return al[0];
        final LinkedList<IteratingRLW32> basell = new LinkedList<IteratingRLW32>();
        Collections.addAll(basell, al);
        return new BufferedIterator32(new AndIt(basell, bufSize));
    }
public static IteratingRLW32 bufferedand(final int bufSize,
                                             final IteratingRLW32... al) {
        if (al.length == 0)
            throw new IllegalArgumentException(
                    "Need at least one iterator");
        if (al.length == 1)
            return al[0];
        final LinkedList<IteratingRLW32> basell = new LinkedList<IteratingRLW32>();
        Collections.addAll(basell, al);
        return new BufferedIterator32(new AndIt(basell, bufSize));
    }
public static IteratingRLW32 bufferedand ( final int bufSize , final IteratingRLW32 ... al ) { if ( al . length == 0 ) throw new IllegalArgumentException ( "Need at least one iterator" ) ; if ( al . length == 1 ) return al [ 0 ] ; final LinkedList < IteratingRLW32 > basell = new LinkedList < IteratingRLW32 > ( ) ; Collections . addAll ( basell , al ) ; return new BufferedIterator32 ( new AndIt ( basell , bufSize ) ) ; }
Aggregate the iterators using a bitmap buffer.

@param al      iterators to aggregate
@param bufSize size of the internal buffer used by the iterator in
64-bit words
@return and aggregate
Aggregate the iterators using a bitmap buffer .