[Trilinos-Users] [EXTERNAL] using ifpack2

[Andrey Prokopenko]

Hi Mike,

The second argument is being passed by reference, so it does not 
automatically do the const cast. Try declaring mat as RCP<const 
crs_matrix_type> or doing the rcp_const_cast before calling Ifpack2.

-Andrey
On 12/14/2014 09:34 AM, Mike Atambo wrote:
>
> im using trilinos   11.12.1  and im having some trouble  compiling a 
> piece of code:
> here is the error message:
>
>   trilinos_anasazi_ifp_david.cxx(292): error: no instance of 
> overloaded function "Ifpack2::Factory::create" matches the argument list
>             argument types are: (std::string, 
> Teuchos::RCP<Tpetra::CrsMatrix<double, int, int, 
> KokkosClassic::DefaultNode::DefaultNodeType>>)
>             object type is: Ifpack2::Factory
>     Teuchos::RCP<prec_type> prec = factory.create ( precType, mat );
>
>   make: *** [ifpdanasazi.x] Error 2
>                                            ^
> prec_type, precType and mat are   defined as:
>
>   typedef Ifpack2::Preconditioner<complex_scalar, local_ordinal_type, 
> global_ordinal_type, Node>  prec_type
>
>   std::string precType = "ILUT";
>
>   typedef Tpetra::CrsMatrix<complex_scalar , local_ordinal_type, 
> global_ordinal_type, Node> crs_matrix_type ;
>
>    RCP<crs_matrix_type>  mat = rcp (new crs_matrix_type 
> (EqualMatDistribution, 0, Tpetra::DynamicProfile ));
>
> The installation seems fine, and i was able to run an eigenvalue 
> problem using the LOBPCG and Tpetra,  and one  if the examples  on 
>  belos using ifpack2 preconditioner works well
>
>
>
> Regards
> Mike
>
>
>
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