Sorry, I meant '2012' not '2011'
Mark
On Fri, 2010-12-10 at 13:02, Mark Miller wrote:
> Ok, thanks for that clarification. Didn't know that.
>
> If I recall, I wasn't sure if I saw complex number support planned in
> 1.10 or 1.11? You say here '1.10.*' which sounds potentially like a
> minor release AFTER 1.10 release which presumably extends into 2011?
>
> In the interim, sounds like potentially a lot of other users are
> frequently hit by this. Why not add a helper method to define a defacto
> type for it to HDF5 just as many of these other users are currently
> doing ABOVE HDF5? That way, they all don't wind up essentially
> duplicating the same effort?
>
> Mark
>
> On Fri, 2010-12-10 at 12:21, Elena Pourmal wrote:
> > Yes, at this point there is no support for complex type in Fortran and in
> > C. We are planning to add it in 1.10.* along with other C99 types that
> > currently are not supported.
> >
> > Elena
> > On Dec 10, 2010, at 12:06 PM, Mark Miller wrote:
> >
> > > Just curious...A complex number is sort of native to the Fortran
> > > language. Are we saying there is no 'native' support in HDF5 for
> > > Fortran's complex type?
> > >
> > > Mark
> > >
> > > On Fri, 2010-12-10 at 07:56, Francesc Alted wrote:
> > >> A Friday 10 December 2010 16:39:48 Roger Martin escrigué:
> > >>> Hi,
> > >>>
> > >>> What is a good way to store arrays of complex numbers?
> > >>
> > >> There is not a standard way (it would be nice if there was one). The
> > >> usual thing is to save them as a compound datatype, but people choose
> > >> different options for the names of the fields. Here are what I know:
> > >>
> > >> * ("real", "imag") for Octave
> > >> * ("r", "i") for PyTables (but ("real", "imag") is ok too)
> > >>
> > >>> Particularly MKL (Intel^® Math Kernel Library) has a data type
> > >>> MKL_Complex16 which is two doubles side by side and I make very large
> > >>> arrays of them.
> > >>
> > >> May be there is a possibility to define an atomic datatype in HDF5, but
> > >> provided that you don't introduce padding between the fields of the
> > >> compound type, this works pretty similar to a larger, atomic type.
> > >>
> > >> Hope this helps,
> > > --
> > > Mark C. Miller, Lawrence Livermore National Laboratory
> > > ================!!LLNL BUSINESS ONLY!!================
> > > [email protected] urgent: [email protected]
> > > T:8-6 (925)-423-5901 M/W/Th:7-12,2-7 (530)-753-8511
> > >
> > >
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> >
> >
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--
Mark C. Miller, Lawrence Livermore National Laboratory
================!!LLNL BUSINESS ONLY!!================
[email protected] urgent: [email protected]
T:8-6 (925)-423-5901 M/W/Th:7-12,2-7 (530)-753-8511
_______________________________________________
Hdf-forum is for HDF software users discussion.
[email protected]
http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
