Documentation generated by
00001 #ifndef MPIGROUP_H 00002 #define MPIGROUP_H 00003 00004 #ifdef USE_MPI_GROUPS /* we're ignoring MPI groups for now */ 00005 00006 #include "SundanceDefs.h" 00007 #include "TSFArray.h" 00008 00009 #if HAVE_MPI 00010 #include "mpi.h" 00011 #endif 00012 00013 00014 00015 namespace Sundance 00016 { 00017 using std::string; 00018 00019 class MPIGroup 00020 { 00021 friend class MPIComm; 00022 public: 00023 /** create a subgroup of a communicator */ 00024 MPIGroup(const MPIComm& parent, 00025 const TSFArray<int>& procList, 00026 const string& name); 00027 00028 /** return a human-readable name for the group */ 00029 const string& name() const {return name_;} 00030 00031 /** Determine whether a group contains a given process */ 00032 bool containsProc(int pid) const ; 00033 00034 /** get the number of processes in the group */ 00035 int getNProc() const ; 00036 00037 #if HAVE_MPI 00038 MPI_Group getGroup() const {return group_;} 00039 00040 private: 00041 MPI_Group group_; 00042 #endif 00043 string name_; 00044 }; 00045 00046 } 00047 00048 #endif /* USE_MPI_GROUPS */ 00049 00050 #endif 00051