Re: [ublas] Adapt an externally allocated array to matrix?

Subject: Re: [ublas] Adapt an externally allocated array to matrix?
From: andrea carbone (andrea.carbone_at_[hidden])
Date: 2009-04-30 06:08:52

This can be of some help for your needs:

http://article.gmane.org/gmane.comp.lib.boost.ublas/2050

liu chang wrote:
> 
> Is it possible to adapt a C array allocated elsewhere as the storage
> of a dense matrix/vector? i.e.
> 
> matrix<float, row_major, ???> a(size1, size2, float*);
> 
> There's no mention of this in the documentation, but it looks like a
> custom storage class can play the trick.
> 
> As this is required whenever boost::ublas interfaces with other linear
> algebra libraries, I'm sure someone has an implementation floating
> around somewhere. Simply using "float*" doesn't work though :(
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> 
> 

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