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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Don’t believe everything you read. In the context of interfaces to non-Fortran procedures, assumed-size dummy arrays are almost always exactly what you want. I would agree that for an all-Fortran application, I would discourage their use.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Steve<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> mpiwg-fortran [mailto:mpiwg-fortran-bounces@lists.mpi-forum.org] <b>On Behalf Of </b>Junchao Zhang<br><b>Sent:</b> Monday, March 10, 2014 12:07 PM<br><b>To:</b> MPI-WG Fortran working group<br><b>Subject:</b> [MPIWG Fortran] Assumed-size array in MPI3<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hello,<o:p></o:p></p><div><p class=MsoNormal> I read a Fortran textbook, which says "Assumed-size dummy arrays are a holdover from earlier versions of Fortran. They should never be used in any new programs".<o:p></o:p></p></div><div><p class=MsoNormal> But I find MPI3 has interfaces like<o:p></o:p></p></div><blockquote style='margin-left:30.0pt;margin-right:0in'><p class=MsoNormal>MPI_Alltoallv(sendbuf, sendcounts, sdispls, sendtype, recvbuf, recvcounts, rdispls, recvtype, comm, ierror)<br> ...<br> INTEGER, INTENT(IN) :: sendcounts(*), sdispls(*), recvcounts(*), rdispls(*)<br> ...<o:p></o:p></p></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> I was wondering why MPI3 still uses it.<o:p></o:p></p></div><div><p class=MsoNormal> Thanks.<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal>--Junchao Zhang<o:p></o:p></p></div></div></div></div></div></body></html>