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I appreciate your replies but my question has to do with the function
MPI_Allreduce of OpenMPI built on a Mac OSX 10.6 with ifort (intel
On Tue, 27 Jul 2010 13:23 +0100, "Anton Shterenlikht"
> On Tue, Jul 27, 2010 at 08:11:39AM -0400, Jeff Squyres wrote:
> > On Jul 26, 2010, at 11:06 PM, Hugo Gagnon wrote:
> > > 8 integer, parameter :: dp = kind(1.d0)
> > > 9 real(kind=dp) :: inside(5), outside(5)
> > I'm not a fortran expert -- is kind(1.d0) really double precision? According to http://gcc.gnu.org/onlinedocs/gcc-3.4.6/g77/Kind-Notation.html, kind(2) is double precision (but that's for a different compiler, and I don't quite grok the ".d0" notation).
> kind (x) has type default integer and value equal to the kind
> type parameter value of x.
> *end quote*
> p. 161 from Metcalf et al (2007) Fortran 95/2003 explained.
> % cat tmp.f90
> program z
> integer, parameter :: dp = kind(1.d0)
> real(kind=dp) :: inside(5), outside(5)
> end program z
> % g95 -L/usr/local/lib tmp.f90
> % ./a.out
> Kind 8 is (on most arch) 8-byte real, i.e. typically
> double precision.
> Anton Shterenlikht
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