Re: [boost] Preview 2 of a template Geometry Library

From: Joel de Guzman (joel_at_[hidden])
Date: 2008-03-26 17:17:39

John Femiani wrote:
> I (John Femiani) wrote:
>> Also, I already disagree about the idea that a point should have
>> coordinates. CoordinatesConcept should be part of a separate concept.
> Of
>> course a useful point class will model both the coordinates and the
>> point concept. To me a point should really support transform, scale,
>> rotate, shear, and distance operations as free functions (maybe more).
>>
>> I don't know how to handle the idea of a 'space' or a 'kernel'.
>>
> 
> s/transform/translate
> 
> Maybe there should also be a generic transform concept to but I dunno.
> 
> Joel de Guzman wrote: 
>> I am talking about generic programming and C++ concepts:
>> http://www.research.att.com/~bs/popl06.pdf.
> 
> That paper uses syntax that is not yet part of _most_ C++ compilers, so
> I would like a proposed library to use the BCCL
> (http://www.boost.org/libs/concept_check ).
> 
> Also there is a nice video from Doug Gregor
> http://video.google.com/videoplay?docid=-1790714981047186825 that helped
> me understand this subject (to the extent that I do)

Yes, of course.

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net