presto-rcfile/src/main/java/io/prestosql/rcfile/binary/FloatEncoding.java/FloatEncoding/encodeValueInto
class FloatEncoding:    @Override
    public void encodeValueInto(Block block, int position, SliceOutput output)
    {
        output.writeInt(Integer.reverseBytes((int) type.getLong(block, position)));
    }