/***********************************************************************
 Moses - statistical machine translation system
 Copyright (C) 2006-2011 University of Edinburgh

 This library 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 2.1 of the License, or (at your option) any later version.

 This library 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 this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
***********************************************************************/

#pragma once
#ifndef EXTRACT_GHKM_SPAN_H_
#define EXTRACT_GHKM_SPAN_H_

#include <map>
#include <set>

namespace MosesTraining
{
namespace GHKM
{

typedef std::set<int> Span;
typedef std::pair<int, int> ContiguousSpan;

bool SpansIntersect(const Span &, const ContiguousSpan &);

ContiguousSpan Closure(const Span &);

}  // namespace MosesTraining
}  // namespace GHKM

#endif