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Ublas : |
Subject: Re: [ublas] heev
From: Rutger ter Borg (rutger_at_[hidden])
Date: 2014-01-23 16:12:58
Hey Thomas,
it seems that bindings::upper and bindings::lower don't work with
Hermitian types, is that correct? i.e., in principle,
heev( 'V', bindings::lower(eigVec), eigVal )
heev( 'V', bindings::upper(eigVec), eigVal )
should also work, shouldn't it?
Cheers,
Rutger
On 2014-01-23 18:05, Thomas Klimpel wrote:
> Hi Chris,
>
> your problem is that you don't know how to specify whether upper or lower half of the matrix should be used.
>
> You should decide which one to use, and then define either
>> typedef ublas::hermitian_adaptor<cmat, ublas::upper> hermitian_type;
> or
>> typedef ublas::hermitian_adaptor<cmat, ublas::lower> hermitian_type;
> then wrap the matrix eigVec into the adapter via
>> hermitian_type eigVec_h(eigVec);
> and call heev as
>> heev('V',eigVec_h,eigVal);
> or
>> heev('V',eigVec_h,eigVal,boost::numeric::bindings::lapack::optimal_workspace());
> if you prefer to be explicit about the workspace.
>
> I just compared your code with the test from
> <https://svn.boost.org/svn/boost/sandbox/numeric_bindings/libs/numeric/bindings/lapack/test/ublas_heev.cpp>
> so maybe there are more things that need to get modified. However, this should at least fix your current error message.
>
> Regards,
> Thomas Klimpel
>
>
>
> Gesendet: Donnerstag, 23. Januar 2014 um 17:31 Uhr
> Von: "Chris Rodgers" <christopher.rodgers_at_[hidden]>
> An: ublas_at_[hidden]
> Betreff: [ublas] heev
> Dear All,
>
> I am trying to update some code from v1 to the latest numeric bindings,
> but cannot see how to make heev() work.
>
> I attach a small test program, which I attempted to compile with Visual
> Studio 2010 SP1 on Windows XP 32-bit, with boost 1.51 and the last
> revision in the boost SVN repository for the numeric bindings.
>
> Compilation fails with the error message below.
>
> Please could someone advise me how to get this running?
>
> Any help would be much appreciated.
>
> Best wishes,
>
> Chris.
>
>> 1>------ Build started: Project: testBoostJan2014, Configuration:
>> Debug Win32 ------
>> 1>Build started 23/01/2014 16:25:02.
>> 1>InitializeBuildStatus:
>> 1> Touching "Debug\testBoostJan2014.unsuccessfulbuild".
>> 1>ClCompile:
>> 1> testBoostJan2014.cpp
>> 1>c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\uplo_tag.hpp(56):
>> error C2039: 'type' : is not a member of
>> 'boost::numeric::bindings::detail::uplo_tag_impl<DataSide,TransTag>'
>> 1> with
>> 1> [
>> 1> DataSide=boost::mpl::void_,
>> 1> TransTag=boost::numeric::bindings::tag::no_transpose
>> 1> ]
>> 1> c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\lapack\driver\heev.hpp(282)
>> : see reference to class template instantiation
>> 'boost::numeric::bindings::result_of::uplo_tag<T>' being compiled
>> 1> with
>> 1> [
>> 1> T=cmat
>> 1> ]
>> 1> c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\lapack\driver\heev.hpp(331)
>> : see reference to function template instantiation 'ptrdiff_t
>> boost::numeric::bindings::lapack::heev_impl<Value>::invoke<MatrixA,VectorW>(const
>> char,MatrixA &,VectorW
>> &,boost::numeric::bindings::lapack::optimal_workspace)' being compiled
>> 1> with
>> 1> [
>> 1> Value=std::complex<double>,
>> 1> MatrixA=cmat,
>> 1> VectorW=vec
>> 1> ]
>> 1>
>> c:\midea\n4_vb17a_latest_20090307\n4\pkg\mrservers\mrspecacq\ice\icespectro_wsvd_v4\testboostjan2014\testboostjan2014.cpp(64)
>> : see reference to function template instantiation '__w64 int
>> boost::numeric::bindings::lapack::heev<cmat,vec,boost::numeric::bindings::lapack::optimal_workspace>(const
>> char,MatrixA &,VectorW &,Workspace)' being compiled
>> 1> with
>> 1> [
>> 1> MatrixA=cmat,
>> 1> VectorW=vec,
>> 1> Workspace=boost::numeric::bindings::lapack::optimal_workspace
>> 1> ]
>> 1>c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\lapack\driver\heev.hpp(286):
>> error C2955: 'boost::type' : use of class template requires template
>> argument list
>> 1> c:\program files\boost\boost_1_51\boost\type.hpp(14) : see
>> declaration of 'boost::type'
>> 1>c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\lapack\driver\heev.hpp(289):
>> error C2780: 'ptrdiff_t
>> boost::numeric::bindings::lapack::detail::heev(const char,const
>> UpLo,const fortran_int_t,double *,const fortran_int_t,double *,double
>> *,const fortran_int_t)' : expects 8 arguments - 9 provided
>> 1> c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\lapack\driver\heev.hpp(74)
>> : see declaration of 'boost::numeric::bindings::lapack::detail::heev'
>> 1>c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\lapack\driver\heev.hpp(289):
>> error C2780: 'ptrdiff_t
>> boost::numeric::bindings::lapack::detail::heev(const char,const
>> UpLo,const fortran_int_t,float *,const fortran_int_t,float *,float
>> *,const fortran_int_t)' : expects 8 arguments - 9 provided
>> 1> c:\program
>> files\boost\numeric_bindings\boost\numeric\bindings\lapack\driver\heev.hpp(59)
>> : see declaration of 'boost::numeric::bindings::lapack::detail::heev'
>> 1>
>> 1>Build FAILED.
>> 1>
>> 1>Time Elapsed 00:00:08.50
>> ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped
>> ==========
>
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