Re: [boost] Documentation for uBLAS

Nasos Iliopoulos <[email protected]>
Newsgroups gmane.comp.lib.boost.ublas
Message-ID <[email protected]>
Sathyam,
I don't think there is any documentation that describes uBlas mechanism 
itself and if you want to really see how it works I would suggest to try 
following the execution using a debugger.

Before that though you will need to know about the programming idiom 
uBlas is using known as "Expression templates". This techniques is used 
to build the algebraic expression tree at COMPILE time and hence allow 
for avoidance of temporaries amongst other things. There are a few 
things online but the very best resource I know that describes 
expression templates (with a very clean linear algebra implementation ) 
is " C++ Templates - The Complete Guide" by David Vandevoorde and 
Nicolai M. Josuttis ( Chapter 18)

Additionally the Wikipedia entry has an implementation of a sort 
Expression templates mechanism that is actually based on uBlas and I 
also find it an excellent read:
http://en.wikipedia.org/wiki/Expression_templates

To understand how all those work you may need to consult some of those 
resources and most importantly make a small implementation of your own - 
which is not terribly difficult once you get the underlying principles.

Best,
Nasos


On 04/17/2013 09:03 PM, Sathyam Vellal wrote:
> Hello,
>
> I've been trying to get acquainted with the Boost.uBLAS codebase. To 
> be honest, I face a little difficulty in trying to understand the 
> underlying model of the design. Is there any resource which can help me ?
>
> Thank you
> -- 
> Sathyam M Vellal
>
> Computer Science and Engineering,
> P.E.S. Institute of Technology,
> Bangalore, India
>
>
> _______________________________________________
> ublas mailing list
> [email protected]
> http://lists.boost.org/mailman/listinfo.cgi/ublas
> Sent to: [email protected]

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