tiebreak.hpp

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2012
 *
 *  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
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namespace Gecode {

  template<class VarBranch>
  class TieBreak {
  public:
    VarBranch a, b, c, d;
    TieBreak(VarBranch a0 = VarBranch(),
             VarBranch b0 = VarBranch(),
             VarBranch c0 = VarBranch(),
             VarBranch d0 = VarBranch());
  };


  template<class VarBranch>
  TieBreak<VarBranch>
  tiebreak(VarBranch a, VarBranch b);
  template<class VarBranch>
  TieBreak<VarBranch>
  tiebreak(VarBranch a, VarBranch b, VarBranch c);
  template<class VarBranch>
  TieBreak<VarBranch>
  tiebreak(VarBranch a, VarBranch b, VarBranch c, VarBranch d);


  template<class VarBranch>
  forceinline
  TieBreak<VarBranch>::TieBreak(VarBranch a0,
                                VarBranch b0,
                                VarBranch c0,
                                VarBranch d0)
    : a(a0), b(b0), c(c0), d(d0) {}

  template<class VarBranch>
  TieBreak<VarBranch>
  tiebreak(VarBranch a, VarBranch b) {
    TieBreak<VarBranch> ab(a,b);
    return ab;
  }

  template<class VarBranch>
  TieBreak<VarBranch>
  tiebreak(VarBranch a, VarBranch b, VarBranch c) {
    TieBreak<VarBranch> abc(a,b,c);
    return abc;
  }

  template<class VarBranch>
  TieBreak<VarBranch>
  tiebreak(VarBranch a, VarBranch b, VarBranch c, VarBranch d) {
    TieBreak<VarBranch> abcd(a,b,c,d);
    return abcd;
  }

}

// STATISTICS: kernel-branch