in this case, stat is an integer (scalar) but an array of integer is expected. I guess a fortran 90 can detect that. I also guess it can detect ptr was used unitialized in rank 0.
my 0.02 US$ Gilles On Monday, January 25, 2016, Dave Love <d.l...@liverpool.ac.uk> wrote: > Jeff Hammond <jeff.scie...@gmail.com <javascript:;>> writes: > > > You will find the MPI Fortran 2008 bindings to be significantly better > > w.r.t. MPI types. See e.g. MPI 3.1 section 17.2.5 where it describes > > TYPE(MPI_Status), which means that the status object is a first-class > type > > in the Fortran 2008 interface, rather than being an error prone INTEGER > > array. > > You might expect the f90 module to reveal the error anyway. > Unfortunately which routines it covers depends on the compiler and OMPI > versions in a way I don't understand -- can someone explain? For > instance, it won't work with the RHEL6 system compiler (GCC 4.4), but > OMPI 1.8 using GCC 4.9 will report the error with "use mpi". > > > I haven't used Fortran 2008 bindings in a nontrivial way yet, but it is > my > > understanding that Open-MPI has a good implementation of them and has > for a > > relatively long time. > > Unfortunately they won't be built if you use the system compiler on > RHEL6 (which I'd guess is still be the most common HPC platform). > Aren't they meant to address different problems with the subroutine > signatures anyway? But strong typing is definitely good. > _______________________________________________ > users mailing list > us...@open-mpi.org <javascript:;> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2016/01/28365.php >
