BelosStubTsqrAdapter.hpp

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// @HEADER
// *****************************************************************************
//                 Belos: Block Linear Solvers Package
//
// Copyright 2004-2016 NTESS and the Belos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef __Belos_StubTsqrAdapter_hpp
#define __Belos_StubTsqrAdapter_hpp

#include <BelosConfigDefs.hpp>
#include <Teuchos_ParameterListAcceptorDefaultBase.hpp>
#include <Teuchos_ScalarTraits.hpp>
#include <Teuchos_SerialDenseMatrix.hpp>
#include <Teuchos_TypeNameTraits.hpp>
#include <stdexcept>


namespace Belos {
namespace details {

  template<class MultiVectorType>
  class StubTsqrAdapter : public Teuchos::ParameterListAcceptorDefaultBase {
  public:
    typedef MultiVectorType MV;
    typedef double scalar_type; // This doesn't really matter
    typedef int ordinal_type; // This doesn't matter either
    typedef int node_type; // Nor does this
    typedef Teuchos::SerialDenseMatrix<ordinal_type, scalar_type> dense_matrix_type;
    typedef typename Teuchos::ScalarTraits<scalar_type>::magnitudeType magnitude_type;

    StubTsqrAdapter (const Teuchos::RCP<Teuchos::ParameterList>& plist)
    {
      TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error, "TSQR adapter for "
        "multivector type \"" << Teuchos::TypeNameTraits<MV>::name()
        << " is not yet implemented.");
    }

    StubTsqrAdapter ()
    {
      TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error, "TSQR adapter for "
        "multivector type \"" << Teuchos::TypeNameTraits<MV>::name()
        << " is not yet implemented.");
    }

    StubTsqrAdapter (const StubTsqrAdapter& rhs)
    {
      (void) rhs;
      TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error, "TSQR adapter for "
        "multivector type \"" << Teuchos::TypeNameTraits<MV>::name()
        << " is not yet implemented.");
    }

    Teuchos::RCP<const Teuchos::ParameterList>
    getValidParameters () const
    {
      TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error, "TSQR adapter for "
        "multivector type \"" << Teuchos::TypeNameTraits<MV>::name()
        << " is not yet implemented.");
    }

    void
    setParameterList (const Teuchos::RCP<Teuchos::ParameterList>& plist)
    {
      TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error, "TSQR adapter for "
        "multivector type \"" << Teuchos::TypeNameTraits<MV>::name()
        << " is not yet implemented.");
    }

    void
    factorExplicit (MV& A,
        MV& Q,
        dense_matrix_type& R,
        const bool forceNonnegativeDiagonal=false)
    {
      TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error, "TSQR adapter for "
        "multivector type \"" << Teuchos::TypeNameTraits<MV>::name()
        << " is not yet implemented.");
    }

    int
    revealRank (MV& Q,
    dense_matrix_type& R,
    const magnitude_type& tol)
    {
      // mfh 07 Sep 2012: In order to prevent compiler warnings on
      // some platforms, we simply return some value.  This code can
      // never execute anyway, since it is in an instance method and
      // all of the constructors throw exceptions.  (We've overridden
      // the default and copy constructors to throw exceptions.)
      return 0;
    }
  };

} // namespace details
} // namespace Belos

#endif // __Belos_StubTsqrAdapter_hpp