/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2009
 *
 *  Last modified:
 *     $Date: 2010-03-03 17:32:21 +0100 (Wed, 03 Mar 2010) $ by $Author: schulte $
 *     $Revision: 10364 $
 *
 *  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
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 */

namespace Gecode { namespace Scheduling { namespace Unary {

  template<class Task>
  ExecStatus
  subsumed(Space& home, Propagator& p, TaskArray<Task>& t) {
    TaskViewArray<typename TaskTraits<Task>::TaskViewFwd> f(t);
    sort<typename TaskTraits<Task>::TaskViewFwd,STO_EST,true>(f);

    for (int i=f.size()-1; i--; )
      if (f[i].lct() > f[i+1].est())
        return ES_OK;

    return home.ES_SUBSUMED(p);
  }
  
}}}

// STATISTICS: scheduling-prop
