fvbaseprimaryvariables.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
 
  Consult the COPYING file in the top-level source directory of this
  module for the precise wording of the license and the list of
  copyright holders.
*/
#ifndef EWOMS_FV_BASE_PRIMARY_VARIABLES_HH
#define EWOMS_FV_BASE_PRIMARY_VARIABLES_HH
 
#include <type_traits>
 
#include "fvbaseproperties.hh"
#include "linearizationtype.hh"
#include <opm/material/common/Valgrind.hpp>
 
#include <dune/common/fvector.hh>
 
#include <stdexcept>
 
namespace Opm {
 
template <class TypeTag>
class FvBasePrimaryVariables
    : public Dune::FieldVector<GetPropType<TypeTag, Properties::Scalar>,
                               getPropValue<TypeTag, Properties::NumEq>()>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
 
    enum { numEq = getPropValue<TypeTag, Properties::NumEq>() };
 
    using Toolbox = MathToolbox<Evaluation>;
    using ParentType = Dune::FieldVector<Scalar, numEq>;
 
public:
    FvBasePrimaryVariables()
        : ParentType()
    { Valgrind::SetUndefined(*this); }
 
    FvBasePrimaryVariables(Scalar value)
        : ParentType(value)
    { }
 
    FvBasePrimaryVariables(const FvBasePrimaryVariables& value) = default;
 
    FvBasePrimaryVariables& operator=(const FvBasePrimaryVariables& value) = default;
 
    static void init()
    {
        // Nothing required by default.
    }
 
    static void registerParameters()
    {
        // No parameters to register by default.
    }
 
    Evaluation makeEvaluation(unsigned varIdx, unsigned timeIdx, LinearizationType linearizationType = LinearizationType()) const
    {
        if (std::is_same<Evaluation, Scalar>::value)
            return (*this)[varIdx]; // finite differences
        else {
            // automatic differentiation
            if (timeIdx == linearizationType.time)
                return Toolbox::createVariable((*this)[varIdx], varIdx);
            else
                return Toolbox::createConstant((*this)[varIdx]);
        }
    }
 
    template <class FluidState>
    void assignNaive(const FluidState&)
    {
        throw std::runtime_error("The PrimaryVariables class does not define "
                                 "an assignNaive() method");
    }
 
    void checkDefined() const
    {
        Valgrind::CheckDefined(*static_cast<const ParentType*>(this));
    }
};
 
} // namespace Opm
 
namespace Dune {
 
  template<class TypeTag, bool>
  struct FieldTraitsImpl;
 
  template<class TypeTag>
  struct FieldTraitsImpl< TypeTag, true >
      : public FieldTraits<FieldVector<Opm::GetPropType<TypeTag, Opm::Properties::Scalar>,
                                       Opm::getPropValue<TypeTag, Opm::Properties::NumEq>()> >
  {
  };
 
  template<class T>
  struct FieldTraitsImpl< T, false >
    : public FieldTraits< T >
  {
  };
 
 
  template<class TypeTag, template <class> class EwomsPrimaryVariable>
  struct FieldTraits< EwomsPrimaryVariable< TypeTag > >
    : public FieldTraitsImpl< TypeTag,
                              std::is_base_of< Opm::FvBasePrimaryVariables< TypeTag >,
                                               EwomsPrimaryVariable< TypeTag > > :: value >
  {
  };
}
 
#endif