int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY;
MPI_File_open(MPI_COMM_WORLD, inFileName, outMode, MPI_INFO_NULL, &outMap); //comm, filename, mode, info, filepointer
int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY;
MPI_File_open(MPI_COMM_WORLD, inFileName, outMode, MPI_INFO_NULL, &outMap); //comm, filename, mode, info, filepointer