src/main/java/com/googlecode/javaewah/FastAggregation.java
public static EWAHCompressedBitmap bufferedxor(final int bufSize,
                                                   final EWAHCompressedBitmap... bitmaps) {
        EWAHCompressedBitmap answer = new EWAHCompressedBitmap();
        bufferedxorWithContainer(answer, bufSize, bitmaps);
        return answer;
    }
public static EWAHCompressedBitmap bufferedxor(final int bufSize,
                                                   final EWAHCompressedBitmap... bitmaps) {
        EWAHCompressedBitmap answer = new EWAHCompressedBitmap();
        bufferedxorWithContainer(answer, bufSize, bitmaps);
        return answer;
    }
Compute the xor aggregate using a temporary uncompressed bitmap.

@param bitmaps the source bitmaps
@param bufSize buffer size used during the computation in 64-bit
words
@return the xor aggregate.