bugGNU Octave - Bugs: bug #49902, H5T.copy


bug #49902: H5T.copy

Submitter:  Ceral Paquet <octavebugs>
Submitted:  Wed 21 Dec 2016 01:14:37 PM UTC
Category:  Libraries Severity:  1 - Wish
Priority:  1 - Later Item Group:  Feature Request
Status:  Postponed Assigned to:  None
Originator Name:  Open/Closed:  * Open
Release:  * dev Operating System:  * GNU/Linux
Fixed Release:  None Planned Release:  None
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Wed 21 Dec 2016 06:37:08 PM UTC, comment #2: 

I agree. I think patch #8607 implements some of the functions in the "high-level functions" interface. It does not address the "low-level functions" set at all.

Mike Miller <mtmiller>
Group Member
Wed 21 Dec 2016 05:30:21 PM UTC, comment #1: 

The configure script checks for HDF5 for the -hdf5 option to the load and save functions.

There is a patch for more general HDF5 support here:


but I don't know whether that patch supports the package notation that you note is missing.

I don't know whether we should keep this report open.  The issue is much larger than just "H5T.copy".  It is really a (quite large) feature request.

John W. Eaton <jwe>
Group administrator
Wed 21 Dec 2016 01:14:37 PM UTC, original submission:  

In Matlab the following command is accepted:

>> b = H5T.copy('H5T_NATIVE_FLOAT')

b =

In octave it results in a syntax error:

>> b = H5T.copy('H5T_NATIVE_FLOAT')

error: 'H5T' undefined near line 1 column 5

It is something to do with hd5 (https://mathworks.com/help/matlab/low-level-functions.html).

The configure script found the library,

HDF5 libraries:                -lhdf5

but I guess there is no interface to the functions. Just wondering if this is something that is planned for Octave?

Ceral Paquet <octavebugs>


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    Follow 6 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-05-17 mtmiller CategoryNone Libraries
        Severity3 - Normal 1 - Wish
        Priority5 - Normal 1 - Later
        Item GroupNone Feature Request
        StatusNone Postponed
    2016-12-21 jwe Release4.2.0 dev

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