Amesos2_SolverTraits.hpp

Go to the documentation of this file.

// @HEADER
//
// ***********************************************************************
//
//           Amesos2: Templated Direct Sparse Solver Package 
//                  Copyright 2011 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//
// @HEADER


#ifndef AMESOS2_SOLVERTRAITS_HPP
#define AMESOS2_SOLVERTRAITS_HPP

#include "Amesos2_Meta.hpp"

namespace Amesos2 {

  template <template <class,class> class ConcreteSolver>
  struct solver_traits {
    typedef Meta::nil_t supported_scalars;
  };

  
  // Related meta-functions //
  
    /* SR: We will not use external initialization for the static const types.
     * Combined with template meta programming this fails in Intel compilers
     * 11-13. Moving all the initializations inside the declarations.
     */
  template <template <class,class> class ConcreteSolver,
      typename Scalar>
  struct solver_supports_scalar {
    static const bool value =
              Meta::if_then_else<Meta::is_same<typename solver_traits<ConcreteSolver>::supported_scalars, Meta::nil_t>::value,
           Meta::true_type,
           Meta::type_list_contains<
       typename solver_traits<ConcreteSolver>::supported_scalars,
       Scalar> >::type::value;
  };

} // end namespace Amesos2

#endif  // AMESOS2_SOLVERTRAITS_HPP