Re: questions on ublas ?

From: jhrwalter (walter_at_[hidden])
Date: 2001-12-10 04:28:36

--- In boost_at_y..., Toon Knapen <toon.knapen_at_s...> wrote:
> jhrwalter wrote:

[snip]
 
> > Ok, I understand the problem. May be we'll have to analyze, if 
and 
> > how it's possible to build a compressed_array with deferred 
sorting. 
> > BTW aren't others working on array containers with a std::map 
like 
> > interface already?
> 
> 
> who are you thinking of ?

See for example the threads following message #14536 and #20286.
 
[snip]
 
> > But it should be possible to get the Fortran storage layout. So 
may 
> > be one could try to specialize to external functions in this case 
> > also.
> 
> Well, CSC is defined by using 3 different arrays (Fortran can't 
handle 
> sotring pairs in a vector ;-) and since it's known to be 
performant, it 
> would not be too bad for cache performance.
> But indeed, the storage class can indeed choose both strategies. I 
might 
> implementing a CSC storage a try next week.

Big task :-) If you encounter any problems, feel free to ask us for 
support.
 
> (sorry for the lazy indentation, I really need to replace this 
lousy 
> mozilla with a decent mail client)
 
Best wishes
 
Joerg