message: fix BP5 NdCopy dimensions for column major read
diff: @@ -1230,31 +1230,25 @@ void BP5Deserializer::FinalizeGets(std::vector<ReadRequest> Requests)
  GlobalDimensions[i] = RankSize[i];
  }
  }
  - helper::NdCopy(
  - IncomingData,
  - adios2::Dims(RankOffset, RankOffset + DimCount),
  - adios2::Dims(RankSize, RankSize + DimCount),
  - true /* m_WriterIsRowMajor */,
  - false /*WriterIsLittleEndian*/, (char *)Req.Data,
  - adios2::Dims(SelOffset, SelOffset + DimCount),
  - adios2::Dims(SelSize, SelSize + DimCount),
  - true /*m_ReaderIsRowMajor */,
  - false /*m_ReaderIsLittleEndian*/, ElementSize);
  -
  - // if (m_ReaderIsRowMajor)
  - // {
  - // ExtractSelectionFromPartialRM(
  - // ElementSize, DimCount, GlobalDimensions,
  - // RankOffset, RankSize, SelOffset, SelSize,
  - // IncomingData, (char *)Req.Data, Req.MemSpace);
  - // }
  - // else
  - // {
  - // ExtractSelectionFromPartialCM(
  - // ElementSize, DimCount, GlobalDimensions,
  - // RankOffset, RankSize, SelOffset, SelSize,
  - // IncomingData, (char *)Req.Data, Req.MemSpace);
  - // }
  +
  + auto inStart =
  + adios2::Dims(RankOffset, RankOffset + DimCount);
  + auto inCount = adios2::Dims(RankSize, RankSize + DimCount);
  + auto outStart =
  + adios2::Dims(SelOffset, SelOffset + DimCount);
  + auto outCount = adios2::Dims(SelSize, SelSize + DimCount);
  +
  + if (!m_ReaderIsRowMajor)
  + {
  + std::reverse(inStart.begin(), inStart.end());
  + std::reverse(inCount.begin(), inCount.end());
  + std::reverse(outStart.begin(), outStart.end());
  + std::reverse(outCount.begin(), outCount.end());
  + }
  +
  + helper::NdCopy(IncomingData, inStart, inCount, true, true,
  + (char *)Req.Data, outStart, outCount, true,
  + true, ElementSize);
  }
  }
  }
  