[Dune] passing functions as arguments

[Aleksejs Fomins]

Hi Marcus,

I had the idea to just define the functions/objects for each function I
need to integrate, and then pass them as arguments. Do you think that
might not work?

Thanks,
Aleksejs

On 08/11/2014 10:47 AM, Markus Blatt wrote:
> Somewhen in time the OP wrote:
>>>> For that, the integrator procedure
>>>> needs to sample from some function decided at runtime.
> 
> On Mon, Aug 11, 2014 at 10:31:36AM +0200, Christian Engwer wrote:
>> we have an interface class for functions in dune-common. I didn't
>> have a look whether we have example as well. In any case I'd suggest
>> to use this interface as it allows many other people to use it
>> without modifying their code. 
> 
> I kind of have the feeling that this does not work with switching the
> function at runtime.
> 
> Markus
> 
>>
>> Christian
>>
>> On 11. August 2014 10:06:38 OEZ, Aleksejs Fomins <aleksejs.fomins at lspr.ch> wrote:
>>> Dear Jayesh,
>>>
>>> Thank you for your link. I will read through it closer today.
>>>
>>> I would still like to know if there is really a problem with simply
>>> passing functions as arguments, before I go into more complicated stuff
>>>
>>> Cheers,
>>> Aleksejs
>>>
>>>
>>>
>>>
>>> On 08/08/2014 06:10 PM, Jayesh Badwaik wrote:
>>>> Hi,
>>>>
>>>> You have to use functors. You can see this for a basic reference:
>>>> http://web.stanford.edu/class/cs106l/course-reader/Ch13_Functors.pdf
>>>>
>>>
>>>
>>> -------------------------------
>>>
>>> Dear Dune,
>>>
>>> I have decided to implement an approximate integration method
>>> alternative to the Quadrature Rule. For that, the integrator procedure
>>> needs to sample from some function decided at runtime.
>>>
>>> How would you approach such a construction?
>>>
>>> As in, should I pass function/object as parameter? Also, I was told
>>> that
>>> I should avoid using virtual functions when doing this.
>>>
>>> Regards,
>>> Aleksejs
>>>
>>>
>>>
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>>
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> 
> 
> 
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