Comment 0 for bug 1583128

As described in the upstream report [1], HDF I/O using load/save is broken in 4.0.0. This is a regression with the potential for data loss (almost happened to us!).

The bug is fixed upstream with [2], and I plan on making an SRU request with an updated octave package that includes this patch (will be my first SRU).

To reproduce:

* Extract the attached .tar.gz, which contains test_hdf5_save.m and test_hdf5_load.m from the upstream report.

* Run:

[Octave 3.8]

octave:1> test_hdf5_save
x = 123456789

[Octave 4.0.0]

octave:1> test_hdf5_load
x = 255

And the other way around:

[Octave 4.0.0]

octave:2> test_hdf5_save
x = 123456789

[Octave 3.8]

octave:1> test_hdf5_load
x = 21

As you can see, in both cases the result is wrong.

[1] http://savannah.gnu.org/bugs/?45225
[2] http://hg.savannah.gnu.org/hgweb/octave/rev/d54aa96abadf