message: add seq_reader, print origin float
diff: @@ -55,7 +55,14 @@ void printSeq(std::string file, int limit) {
  total_count++;
  int64_t value_length = record.record_len - record.key_len;
  + float *data_ptr = new float[record.value.size() / 4];
  + memcpy(data_ptr, record.value.data(), record.value.size());
  std::cout << "key: " << key << " , value: " << string_to_hex(record.value.c_str()) << std::endl;
  + for (int i =0; i < record.value.size() / 4; ++i) {
  + std::cout << data_ptr[i] << " ";
  + }
  + std::cout << std::endl;
  + delete(data_ptr);
  if (total_count >= limit) {
  break;
  }
  