/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Guido Tack <tack@gecode.org>
 *
 *  Copyright:
 *     Guido Tack, 2004
 *
 *  Last modified:
 *     $Date: 2008-02-26 10:40:46 +0100 (Tue, 26 Feb 2008) $ by $Author: schulte $
 *     $Revision: 6311 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining
 *  a copy of this software and associated documentation files (the
 *  "Software"), to deal in the Software without restriction, including
 *  without limitation the rights to use, copy, modify, merge, publish,
 *  distribute, sublicense, and/or sell copies of the Software, and to
 *  permit persons to whom the Software is furnished to do so, subject to
 *  the following conditions:
 *
 *  The above copyright notice and this permission notice shall be
 *  included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

namespace Gecode { namespace MiniModel {

  /*
   * Operations for expressions
   *
   */

  forceinline
  BoolExpr::BoolExpr(const BoolExpr& e) : n(e.n) {
    n->use++;
  }

  forceinline BoolVar
  BoolExpr::post(Space* home, IntConLevel icl, PropKind pk) const {
    return n->post(home,icl,pk);
  }

  forceinline void
  BoolExpr::post(Space* home, bool t, IntConLevel icl, PropKind pk) const {
    n->post(home,t,icl,pk);
  }

}}

inline Gecode::MiniModel::BoolExpr
operator&&(const Gecode::MiniModel::BoolExpr& l,
           const Gecode::MiniModel::BoolExpr& r) {
  return Gecode::MiniModel::BoolExpr(l,
                                     Gecode::MiniModel::BoolExpr::NT_AND,
                                     r);
}

inline Gecode::MiniModel::BoolExpr
operator||(const Gecode::MiniModel::BoolExpr& l,
           const Gecode::MiniModel::BoolExpr& r) {
  return Gecode::MiniModel::BoolExpr(l,
                                     Gecode::MiniModel::BoolExpr::NT_OR,
                                     r);
}

inline Gecode::MiniModel::BoolExpr
operator^(const Gecode::MiniModel::BoolExpr& l,
          const Gecode::MiniModel::BoolExpr& r) {
  return Gecode::MiniModel::BoolExpr(l,
                                     Gecode::MiniModel::BoolExpr::NT_XOR,
                                     r);
}

template <class Var>
inline Gecode::MiniModel::BoolExpr
operator~(const Gecode::MiniModel::LinRel<Var>& rl) {
  return Gecode::MiniModel::BoolExpr(rl);
}

inline Gecode::MiniModel::BoolExpr
operator!(const Gecode::MiniModel::BoolExpr& e) {
  return Gecode::MiniModel::BoolExpr(e,
                                     Gecode::MiniModel::BoolExpr::NT_NOT);
}

namespace Gecode {

  inline MiniModel::BoolExpr
  eqv(const MiniModel::BoolExpr& l,
      const MiniModel::BoolExpr& r) {
    return MiniModel::BoolExpr(l,
                               MiniModel::BoolExpr::NT_EQV,
                               r);
  }

  inline MiniModel::BoolExpr
  imp(const MiniModel::BoolExpr& l,
      const MiniModel::BoolExpr& r) {
    return MiniModel::BoolExpr(l,
                               MiniModel::BoolExpr::NT_IMP,
                               r);
  }


  inline BoolVar
  post(Space* home, const MiniModel::BoolExpr& e, 
       IntConLevel icl, PropKind pk) {
    return e.post(home,icl,pk);
  }

  inline BoolVar
  post(Space*, const BoolVar& b, IntConLevel, PropKind) {
    return b;
  }


}

// STATISTICS: minimodel-any