Re: LAPACK bindings error

Thanks - this seemed to work, at least for compiling the program. Now I am
facing incorrect results, which I will investigate.
Thank you for your help.

Dmitry


On Mon, Mar 24, 2014 at 10:29 AM, Thomas Klimpel-2 [via Boost] <
[email protected]> wrote:

> Hi,
>
>
> > Is this the latest version of boost/numeric/bindings?
> >
> https://svn.boost.org/svn/boost/sandbox/numeric_bindings/boost/numeric/bindings/
>
> Yes, at least that's the version I use. (Maybe I should try to get up to
> speed with "git", so I could answer such questions with more confidence.)
>
>
> I think the errors that you showed now should be fixable. The first error
> I see is
>
> /home/dmitry/zfilter/boost_1_55_0/boost/numeric/bindings/lapack/driver/gesv.hpp:
>
> 191:9: error: invalid application of 'sizeof' to incomplete type
> 'boost::STATIC_ASSERTION_FAILURE<false>'
>          BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixB
> >::value) );
>
> One issue here is that the lapack routine xGESV expects two matrices: A of
> size (n,n), and B of size(n,nrhs). The bindings are generated
> automatically, and we didn't generate a version to also accept a vector for
> B. (Not sure whether this would be desirable.)
> In case you already tried to use a matrix for B, you might have forgotten
> to add "blas::column_major", i.e. "ublas::matrix<double,
> ublas::column_major>" instead of just "ublas::matrix<double>", because
> lapack always expects column_major matrices.
>
>
> Another error I see is
>
> /home/dmitry/zfilter/boost_1_55_0/boost/numeric/bindings/detail/property_map.hpp
>
> :30:85: error: no type named 'property_map' in 'struct
> boost::numeric::bindings::detail::adaptor_access<const
> boost::numeric::ublas::permutation_matrix<long unsigned int>, void>'
>      typedef typename mpl::at< typename adaptor_access<T>::property_map,
> Key >::type type;
>
> The type "ublas::permutation_matrix" from "numeric/ublas/lu.hpp" is
> totally unrelated to lapack and the bindings. You just need a vector of
> integers here (for example ublas::vector<fortran_int_t> or
> std::vector<fortran_int_t> would work, if you include
> numeric/bindings/std/vector.hpp), lapack will know how to interpret this as
> a permutation matrix.
>
> Regards,
>
> Thomas Klimpel
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