/**
 * @file   aka_fwd.hh
 *
 * @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
 * @author Nicolas Richart <nicolas.richart@epfl.ch>
 *
 * @date creation: Fri Apr 13 2012
 * @date last modification: Tue Aug 18 2015
 *
 * @brief  File containing forward declarations in akantu.
 * This file helps if circular #include would be needed because two classes
 * refer both to each other. This file usually does not need any modification.
 *
 * @section LICENSE
 *
 * Copyright (©)  2010-2012, 2014,  2015 EPFL  (Ecole Polytechnique  Fédérale de
 * Lausanne)  Laboratory (LSMS  -  Laboratoire de  Simulation  en Mécanique  des
 * Solides)
 *
 * Akantu is free  software: you can redistribute it and/or  modify it under the
 * terms  of the  GNU Lesser  General Public  License as  published by  the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * Akantu 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  Lesser General  Public License  for more
 * details.
 *
 * You should  have received  a copy  of the GNU  Lesser General  Public License
 * along with Akantu. If not, see <http://www.gnu.org/licenses/>.
 *
 */

/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_FWD_HH__
#define __AKANTU_FWD_HH__


namespace cppargparse {
  class ArgumentParser;
}

namespace akantu {
  // forward declaration
  template <int dim, class model_type>
  struct ContactData;

  template<typename T> class Matrix;
  template<typename T> class Vector;
  template<typename T> class Tensor3;

  template<typename T, bool is_scal = is_scalar<T>::value > class Array;

  template <class T> class SpatialGrid;

  // Model element
  template <class ModelPolicy> class ModelElement;

  extern const Array<UInt> empty_filter;

  class Parser;
  class ParserSection;

  extern Parser static_parser;

  extern cppargparse::ArgumentParser static_argparser;
}


#endif /* __AKANTU_FWD_HH__ */