> I think the problem is that you didn't include mpif.h in testsubr(). > Hence, the value of MPI_INTEGER was undefined -- I don't think it's a > problem with the value of MPI_Comm.
That's correct. You also don't then need to pass MPI_Comm_World around, it is a parameter defined in mpif-common.h which gets included by mpif.h . -- Kevin M. Buckley Room: CO327 School of Engineering and Phone: +64 4 463 5971 Computer Science Victoria University of Wellington New Zealand
