presto-rcfile/src/main/java/io/prestosql/rcfile/text/FloatEncoding.java/FloatEncoding/decodeValueInto
class FloatEncoding:    @Override
    public void decodeValueInto(int depth, BlockBuilder builder, Slice slice, int offset, int length)
            throws RcFileCorruptionException
    {
        type.writeLong(builder, Float.floatToIntBits(parseFloat(slice, offset, length)));
    }