Re: [Cppqed-support] blitz-hg and flens-cvs in AUR for arch linux

[Andras V. <and...@ui...>]

Hi,
(I think Sebastian wanted to post the mail below on the list.)
I also don’t like the option of having to edit PKGBUILD.
The chances that our changes get back to the main repository are low
because I think they don’t want to get dependent on Boost.
I strongly suggest that we package only our version of Blitz.
By the way, I’m thinking a lot about deprecating Blitz as well, and
migrating to Boost.MultiArray as the basic data structure. Blitz has
several problems:
* It’s not well maintained.
* Its codebase is pretty outdated from the present C++ point of view.
* It has the major design problem that although it has reference-semantics,
it cannot represent all the four possibilites of const-ness for references.
Hence, with the use of Blitz, it is impossible to ensure const-correctness.
* It needs to be compiled, while Boost.MultiArray is header-only.
Best regards,
András


Dr. Andras Vukics
Institute for Theoretical Physics
University of Innsbruck


On Thu, Nov 14, 2013 at 6:05 PM, Sebastian Krämer <
seb...@ui...> wrote:

>  Hi all!
>
> What are the chances to get these changes back into the main blitz++
> branch? That would by far be the cleanest option. Otherwise, it's no
> problem to provide a separate AUR-package. However, it might be confusing
> and inconvenient for users if they have to decide between three different
> blitz packages. But I like the option to manually change the URL even less.
> It's just too easy to forget this step when installing it as dependency of
> c++qed.
>
> Sebastian
>
> On 11/14/2013 05:40 PM, Andras Vukics wrote:
>
>  Dear Raimar,
> Thanks a lot!
>  It also occurs as an option that we distribute *only* our version of
> blitz (although it does depend on Boost.Preprocessor, while the original
> does not).
>  The FLENS dependency is going to be deprecated in the new release.
> Currently, I’m working on replacing it with Eigen3 (cf.
> http://eigen.tuxfamily.org), which is a header-only library also featured
> in AUR.
> Best regards,
> András
>
>
> Dr. Andras Vukics
> Institute for Theoretical Physics
> University of Innsbruck
>
>
> On Thu, Nov 14, 2013 at 3:33 PM, Raimar Sandner <rai...@ui...
> > wrote:
>
>> Dear all,
>>
>> the C++QED dependencies can now be obtained from AUR for arch linux.
>>
>> Sebastian has updated the blitz-hg PKGBUILD and it works very well. To
>> obtain
>> the C++QED-patched version, just edit the PKGBUILD when it asks you and
>> replace the URL with
>>
>> hg+http://cppqed.hg.sourceforge.net:8000/hgroot/cppqed/blitz
>>
>> Maybe we should upload a separate package for this version, Sebastian
>> what do
>> you think?
>>
>> I have also overtaken the flens-cvs package and updated it, so that it now
>> includes the same patches which are used in the Ubuntu package. This
>> version
>> is suitable for compiling C++QED, please test if it works for you :)
>>
>> Best regards
>> Raimar
>>
>>
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>
>
>