// -*- 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.
*/
/*!
 * \file
 *
 * \copydoc Opm::RichardsIndices
 */
#ifndef EWOMS_RICHARDS_INDICES_HH
#define EWOMS_RICHARDS_INDICES_HH

namespace Opm {

/*!
 * \ingroup RichardsModel
 * \brief Indices for the primary variables/conservation equations of the
 * Richards model.
 */
struct RichardsIndices
{
    //! Primary variable index for the wetting phase pressure
    static const int pressureWIdx = 0;

    //! Equation index for the mass conservation of the wetting phase
    static const int contiEqIdx = 0;

    //! The number of equations
    static const int numEq = 1;
};

} // namespace Opm

#endif