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   comp.lang.c++.moderated      Moderated discussion of C++ superhackery      33,346 messages   

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   Message 31,544 of 33,346   
   Dave Abrahams to All   
   Re: Matrix Class design [was Re: Using t   
   05 Oct 11 12:50:44   
   
   From: dave@boostpro.com   
      
   on Wed Oct 05 2011, nmm1-AT-cam.ac.uk wrote:   
      
   > I am going to look at boost::multi_array fairly carefully, but I   
   > believe that a C++ class could be as efficient as modern Fortran   
   > array handling.  For example, there is nothing stopping a class   
   > having multiple iterator methods, which would provide the strength   
   > reduction optimisation that is easy in Fortran but trickier in C++.   
   > Yes, I mean strided iterators along any dimension, but it would   
   > also be possible to support diagonals and iterators that deliver   
   > sections.  Let's see how well boost::multi_array measures up :-)   
      
   I don't think you'll find what you're looking for in multi_array.  That   
   kind of work has been done in other (non-boost) libraries, and possibly   
   in boost::uBlas (of which I am unable to keep track).   
      
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   Dave Abrahams   
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   http://www.boostpro.com   
      
      
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