Re: [ublas] lapack bindings question: inputs to geev()

From: James N. Knight (nate_at_[hidden])
Date: 2007-03-14 18:25:41

Did you include

boost/numeric/bindings/traits/ublas_matrix.hpp
boost/numeric/bindings/traits/ublas_vector.hpp

?

These files specify a specific traits set for ublas matrices and 
vectors.  This might correct your problem.

James

Manoj Rajagopalan wrote:
> Could some experienced lapack-bindings user post sample code on how to 
> call geev() and/or hbev()?
>
> IN my previous mail (below), I forgot to mention that I tried 
> ublas::matrix<> and double[] etc for V while attempting to call geev()
>
>  > template <typename A, typename W, typename V>
>  >      int geev(A& a, W& w,  V* vl, V* vr, optimal_workspace)
>
> The compiler (g++ 4.1.1) complains of not being able to find the 
> following members in matrix_traits<matrix<double, ...> >
> 1. matrix_structure
> 2. size1
> 3. size2
>
>    I took a look in boost/numeric/bindings/traits/matrix_traits.hpp and 
> found the matrix_traits class to be empty (everything commented out).
>
>     Do i have an incomplete version?
>
> thanks
> Manoj
>
>
>
> Manoj Rajagopalan wrote:
>   
>> Hi all
>>
>>    In the geev() function in the lapack bindings,
>>
>> template <typename A, typename W, typename V>
>>      int geev(A& a, W& w,  V* vl, V* vr, optimal_workspace)
>>
>> what should the data type V be?
>>
>> Thanks
>> Manoj Rajagopalan
>> _______________________________________________
>> ublas mailing list
>> ublas_at_[hidden]
>> http://lists.boost.org/mailman/listinfo.cgi/ublas
>>     
> _______________________________________________
> ublas mailing list
> ublas_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/ublas
>