Re: [eigen] matrix exponential with c++0x

[Mark Borgerding <mark@xxxxxxxxxxxxxx>]

On 12/03/2009 11:40 AM, Benoit Jacob wrote:
> 2009/12/3 mmoll<Markus.Moll@xxxxxxxxxxxxxxxx>:
>    
> > Just a side note: avoid all names like _UnderscoreUppercase and
> > doubleunderscore__anywhere, they are reserved for the library
> > implementation. With something as generic as _Functor I see a real
> > danger of collision there (_Functor could be an arbitrarily mean macro...).
> > (But I wouldn't recommend using _EigenAvoidNameClashFunctor either)
> >      
> I know, but we already have many of those, and it's rather convenient.
> The other problem is that even if we adhere to that rule, we're still
> not save from conflicts, for example standard library implementations
> tend to define many preprocessor symbols without that convention, e.g.
> 'minor' on GCC... So far our attitude was just to cross fingers and in
> case of conflict, work on a case by case basis...
>
>    
No one asked for my opinion, but I'll give it anyway.

My best practice is to use template parameters like:

template < typename T_Data1, int T_Param1>

The "T_" makes them stand out in the code and would seem to mitigate the 
name collision problems we are seeing.

-- Mark