public static void writeSingleHits(
IntBP positions, FloatBP weights, IntBP las, String prefix, int chrom) throws IOException {
String postmp = getPositionsFname(prefix, chrom) + ".tmp";
String weightstmp = getWeightsFname(prefix, chrom) + ".tmp";
String lastmp = getLaSFname(prefix, chrom) + ".tmp";
RandomAccessFile positionsRAF = new RandomAccessFile(postmp, "rw");
RandomAccessFile weightsRAF = new RandomAccessFile(weightstmp, "rw");
RandomAccessFile lasRAF = new RandomAccessFile(lastmp, "rw");
Bits.sendBytes(positions.bb, 0, positions.bb.limit(), positionsRAF.getChannel());
Bits.sendBytes(weights.bb, 0, weights.bb.limit(), weightsRAF.getChannel());
Bits.sendBytes(las.bb, 0, las.bb.limit(), lasRAF.getChannel());
positionsRAF.close();
weightsRAF.close();
lasRAF.close();
/* ideally this part with the renames would atomic... */
(new File(postmp)).renameTo(new File(getPositionsFname(prefix, chrom)));
(new File(weightstmp)).renameTo(new File(getWeightsFname(prefix, chrom)));
(new File(lastmp)).renameTo(new File(getLaSFname(prefix, chrom)));
}
