search for: mpi_double

...oc' Rmpi.c: In function 'mpi_gather': Rmpi.c:241: warning: implicit declaration of function 'MPI_Gather' Rmpi.c:241: error: 'MPI_INT' undeclared (first use in this function) Rmpi.c:242: error: 'comm' undeclared (first use in this function) Rmpi.c:246: error: 'MPI_DOUBLE' undeclared (first use in this function) Rmpi.c:255: error: 'MPI_CHAR' undeclared (first use in this function) Rmpi.c:263: error: 'MPI_BYTE' undeclared (first use in this function) Rmpi.c:268: warning: implicit declaration of function 'MPI_Bcast' Rmpi.c:268: error: '...

...ng() rand = sprng(); free.sprng() randarray = (double *)malloc(sizeof(double)*size); /*Gather random numbers from all C slave processes*/ /* Using randarray doesn't make sense since this should correspond to the rdata vector in the R master process */ MPI_GAther(&rand, 1, 1, MPI_DOUBLE, randarray, 1, MPI_DOUBLE, 0, all_processes); /*All done*/ MPI_Comm_free(&all_processes); MPI_Finalize(); exit(0); }

I'm fairly astute at C and R but new to parallelization. Would someone be willing to provide help in the form of a simple example that parallelizes an R function from the inside of a C routine? If so, write me back at izmirlig at mail.nih.gov Thanks!