From: Rolf Rabenseifner Subject: Re: MPI-2.1 corrections, Batch 2 / AlltoallW To: mpi-21@XXXXXXXXXXXXX Date: Fri, 20 Jul 2001 10:29:04 +0200 (CEST) In-Reply-To: X-Mailer: ELM [version 2.5 PL3] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-mpi-21@XXXXXXXXXXXXX Precedence: bulk Reply-To: mpi-21@XXXXXXXXXXXXX > so it's still in the current (?) Fortran standard. How do those vendors > like Cray get by that force REAL=DOUBLE PRECISION=64 bit, like on the T3E? Always, if you use DOUBLE PRECISION on the T3E, the compiler issues a warning that it compiles DOUBLE PRECISION as REAL, i.e., that the compiler breaks the Fortran standard. ;-) Best regards Rolf Dr. Rolf Rabenseifner High Performance Computing Parallel Computing Center Stuttgart (HLRS) Rechenzentrum Universitaet Stuttgart (RUS) Phone: ++49 711 6855530 Allmandring 30 FAX: ++49 711 6787626 D-70550 Stuttgart rabenseifner@XXXXXXXXXXXXXXXXXXXX Germany http://www.hlrs.de/people/rabenseifner