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Re: hdf5 hdf5oct

From: Kai Torben Ohlhus
Subject: Re: hdf5 hdf5oct
Date: Thu, 15 Nov 2018 14:13:49 +0100

On Thu, Nov 15, 2018 at 12:57 PM Michael Martins <address@hidden> wrote:
Am 15.11.18 um 12:08 schrieb jb:
> Yes that's the one, it has been available there on github for a few years and
> people have evidently been using it. I'm not aware of any similar package on
> octave forge. I'm not even assuming hdf5oct will definitely work, because it
> hasn't been updated in a while. But I'n not able to get to the point of
> finding out, because it seems to be octave that is creating the error in my
> case.
I am using this package for some time and it is working for me. At least
the function I am using.
It would be very nice, if this package could be added some how to octave
forge, as in my opinion this is a very important package, hdf5 is a very
popular data format. Unfortunately, many hdf5 files are much too large
to read it just by the "load -hdf5" command.

|\  /| PD Dr. Michael Martins, Universitaet Hamburg
| \/ | Institut fuer Experimentalphysik    Tel.: +49-40-8998-3121
| |\/| Luruper Chaussee 149
| |  | D-22761 Hamburg         Email: address@hidden

@Michael Martins: What version of Octave do you use for "hdf5oct"?  I did not get it to work with 4.4.1 either.  So I proposed the following PR for them [1] maybe you can test it.  The major problem is, that [1] tmullins/hdf5oct does not check itself for the existence of HDF5 development libraries (using autotools) and queries the "HAVE_HDF5" and "HAVE_HDF5_18" defines, that are not exposed to package builds in "octave-config.h" since 4.4 as far as I know.

@jb: If you want to take advantage of [1], just replace by my modified version [2].  Run "make" and "make install", then you can use it from Octave with "pkg load hdf5oct".  But be warned, the attached test "h5test." does not finish without errors, see [1] for details.

Alternatively, there is a pending patch on the tracker [3].  If you jb compile from source anyway, you might want to include this patch as well?

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