MueLu_LWGraph_kokkos_def.hpp

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#ifndef MUELU_LWGRAPH_KOKKOS_DEF_HPP
#define MUELU_LWGRAPH_KOKKOS_DEF_HPP

#include <Kokkos_Core.hpp>

#include <Teuchos_ArrayView.hpp>

#include "MueLu_LWGraph_kokkos_decl.hpp"

namespace MueLu {

  template<class LocalOrdinal, class GlobalOrdinal, class DeviceType>
  void LWGraph_kokkos<LocalOrdinal,GlobalOrdinal,Kokkos::Compat::KokkosDeviceWrapperNode<DeviceType>>::
  print(Teuchos::FancyOStream &out, const VerbLevel verbLevel) const {

    if (verbLevel & Debug) {
      auto graph = lclLWGraph_.getGraph();
      RCP<const Map> col_map = importMap_.is_null() ? domainMap_ : importMap_;
      int mypid = col_map->getComm()->getRank();

      {
      std::ostringstream ss;
      ss << "[pid " << mypid << "] num entries=" << graph.entries.size();
      out << ss.str() << std::endl;
      }

      const size_t numRows = graph.numRows();
      auto rowPtrs = graph.row_map;
      auto columns = graph.entries;
      for (size_t i=0; i < numRows; ++i) {
        std::ostringstream ss;
        ss << "[pid " << mypid << "] row " << domainMap_->getGlobalElement(i) << ":";
        ss << " (numEntries=" << rowPtrs(i+1)-rowPtrs(i) << ")";

        auto rowView = graph.rowConst(i);
        for (LO j = 0; j < rowView.length; j++) {
          ss << " " << col_map->getGlobalElement(rowView.colidx(j));
        }
        out << ss.str() << std::endl;
      }
    }
  }

} //namespace MueLu

#endif // MUELU_LWGRAPH_KOKKOS_DEF_HPP