PCPPCommUtil.H

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#ifndef __PCPP_COMM_UTIL_H__
#define __PCPP_COMM_UTIL_H__
#include "PCPPTypes.H"

namespace pcpp {
  namespace comm {

    void ReduceTimers(double *processTimes,unsigned int nTimes,
                      std::vector<std::vector<double> > &parallelTimes,
                      pcpp::CommunicatorType &inCommunicator);

    void ReduceCounters(long long *processTimes,unsigned int nTimes,
                      std::vector<std::vector<long long> > &parallelTimes,
                      pcpp::CommunicatorType &inCommunicator);

    struct paralleltopologyinfo {
      paralleltopologyinfo() : numDimensions(0), rank(0) {}; 
      int numDimensions;
      int rank;

      std::vector<int> dimDir;
      std::vector<int> cartDecompDirections;
      std::vector<int> cartDecomposition;
      std::vector<int> isPeriodic;
      std::vector<int> topoCoords;
      std::vector<int> neighborRanks;

      std::vector<int> cartNeighborhood;
      std::vector<int> cartDirection;
    };

  };
  typedef comm::paralleltopologyinfo ParallelTopologyInfoType;
  namespace comm {
    int SetupCartesianTopology(pcpp::CommunicatorType &parallelCommunicator,
                               pcpp::ParallelTopologyInfoType &topologyInfo,
                               pcpp::CommunicatorType &topoCommunicator,
                               std::ostream &messageStream);

    bool CheckResult(bool &localResult,pcpp::CommunicatorType &testComm);

  };

};


#endif