Re: [ublas] Missing "copy" in BLAS bindings?

From: Karl Meerbergen (Karl.Meerbergen_at_[hidden])
Date: 2007-03-27 08:17:40

Looking at the error message, I have the impression the compiler tries
to use std::copy.

Please try using the full namespace path in the copy function. This will
remove the ambiguity in the symbol copy.

Karl

Quoting Francisco Javier González Varel <fgonzalez_at_[hidden]>:
> My code includes the lines
> 
> using namespace boost::numeric::bindings::blas;
> //using namespace boost::numeric::bindings::atlas;
> 
> (sorry, I didn't include them in the code in the other e-mail)
> 
> In fact, the program uses the atlas function "copy" when I use the  
> atlas bindings, but this doesn't happen with the blas bindings.
> 
> Thanks!
> 
> Fran
> 
> Nico Galoppo <nico_at_[hidden]>:
> 
> > I think you need to use the ublas namespace? This is not a linker
> problem, it
> > looks to me that the compiler is complaining.
> >
> > Cheers,
> >
> > --nico
> >
> > Francisco J. González wrote:
> >> Hello everyone!
> >>
> >> I am trying to use the BLAS (through BLAS bindings) to make a copy
> of a
> >> vector.
> >>
> >> // #include <bindings/blas/blas1.hpp>
> >> #include <bindings/atlas/cblas1.hpp>
> >>
> >> void MyClass::q_update(const real_vector q)
> >> {
> >> assert( q.size() == q_.size() );
> >> copy(q, q_);
> >> }
> >>
> >> I have found that ATLAS bindings can do that, and, when I link my
> code
> >> to my ATLAS library through ATLAS bindings, no problem rises.
> >> However, if I try to link my code with my BLAS library, called
> through
> >> BLAS sandbox bindings, I get the following error:
> >>
> >> error C2780: '_OutIt std::copy(_InIt,_InIt,_OutIt)' : expects 3
> >> arguments - 2 provided
> >> C:\Archivos de programa\Microsoft Visual Studio .NET
> >> 2003\Vc7\include\xutility(1038) : see declaration of 'std::copy'
> >>
> >> It seems that the linker does not find the BLAS "copy" function.
> It is
> >> defined in cblas1.hpp, but not in blas1.hpp (however,
> >> blas1_overloads.hpp includes the definition of "copy", with 5
> >> arguments). Is there any reason to do that?
> >>
> >> Thank you in advance!
> >>
> >> Fran
> >>
> >>
> >>
> >>
> >>
> >>
> ------------------------------------------------------------------------
> >>
> >> _______________________________________________
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> >> ublas_at_[hidden]
> >> http://lists.boost.org/mailman/listinfo.cgi/ublas
> >
> > --
> > nico galoppo von borries     |  address: 119 fidelity st.,
> carrboro
> > comp. graphics phd. student  |           north carolina, 27510 USA
> > UNC, chapel hill             |  phone: [phone] (office)
> >                               |         [phone] (home)
> >                               |  email: nico at cs dot unc dot edu
> >                               |  homepage: http://www.ngaloppo.org
> >
> > _______________________________________________
> > ublas mailing list
> > ublas_at_[hidden]
> > http://lists.boost.org/mailman/listinfo.cgi/ublas
> >
> 
> 
> 
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