[Dune] conflicting defines for SuperLU ?

[Benedikt Oswald]

indeed, be the power with me, when I have to descent into
the delicate underground of the SuperLU 4.3 library!

Benedikt


On Nov 24, 2011, at 4:52 PM, Oliver Sander wrote:

> Documentation patches are always VERY welcome.  More power to you!
> cheers,
> Oliver
> 
> Am 24.11.2011 16:49, schrieb Benedikt Oswald:
>> thanks all for the help, in fact, there might be some motivation to
>> write the documentation for the tests Oliver mentioned.
>> 
>> I am currently extending, based on Markus' work, the superlu.hh
>> stuff so that it can also work with complex numbers, but I fear
>> this will take a few days still.
>> 
>> Benedikt
>> 
>> On Nov 24, 2011, at 3:50 PM, Andreas Dedner wrote:
>> 
>>> If you want to avoid long lists of flags you can always use
>>> $(ALL_PKG_CPPFLAGS) which should include also the enable flag for superlu.
>>> 
>>> Andreas
>>> 
>>> On 24/11/11 14:02, Bård Skaflestad wrote:
>>>> On Thu, 2011-11-24 at 14:42 +0100, Benedikt Oswald wrote:
>>>>> Hello Dune, I just stumbled over the fact that when compiling Dune
>>>>> with
>>>>> SuperLU support, i.e. using something like --with-superlu=…
>>>>> then HAVE_SUPERLU is defined to be
>>>>> 
>>>>> 
>>>>> /* Define to ENABLE_SUPERLU if SUPERLU is found */
>>>>> #define HAVE_SUPERLU ENABLE_SUPERLU
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> in the  config.h file
>>>>> 
>>>>> 
>>>>> But, e.g. in amg.hh there is the praam #if HAVE_SUPERLU
>>>>> 
>>>>> 
>>>>> so is it the case that, since HAVE_SUPERLU is defined
>>>>> to ENABLE_SUPERLU
>>>>> and not 1, that part of the code is then not compiled in ?
>>>> 
>>>> I'll defer to others to answer authoritatively, but I believe that's
>>>> more or less as intended by the design.  The reasoning is, I believe,
>>>> that the SuperLU feature should not be automatically enabled when it's
>>>> found on a particular computer system.  In other words, the developer
>>>> using the ISTL must specifically enable SuperLU by including the
>>>> $(SUPERLU_CPPFLAGS) in the program's (or library's) _CPPFLAGS primary
>>>> (or globally using the AM_CPPFLAGS primary).
>>>> 
>>>> The $(SUPERLU_CPPFLAGS) specify, among other things such as include
>>>> paths, the string "-DENABLE_SUPERLU=1" on systems providing SuperLU.
>>>> 
>>>> 
>>>> Sincerely,
>>> 
>>> 
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>> 
>> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
>> Benedikt Oswald, Dr. sc. techn., dipl. El. Ing. ETH, www.psi.ch, Computational Accelerator Scientist, http://amas.web.psi.ch
>> Paul Scherrer  Institute (PSI), CH-5232 Villigen, Suisse, benedikt.oswald at psi.ch, +41(0)56 310 32 12
>> 
>> "Passion is required for any great work, and for the revolution passion and audacity are required in big doses.",
>>  Ernesto 'Che' Guevara, Letter to his parents.
>> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
>> 
>> 
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> 
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Benedikt Oswald, Dr. sc. techn., dipl. El. Ing. ETH, www.psi.ch, Computational Accelerator Scientist, http://amas.web.psi.ch
Paul Scherrer  Institute (PSI), CH-5232 Villigen, Suisse, benedikt.oswald at psi.ch, +41(0)56 310 32 12

"Passion is required for any great work, and for the revolution passion and audacity are required in big doses.",
 Ernesto 'Che' Guevara, Letter to his parents.
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