/*
 * Software License Agreement (BSD License)
 *
 *  Point Cloud Library (PCL) - www.pointclouds.org
 *  Copyright (c) 2009-2012, Willow Garage, Inc.
 *  Copyright (c) 2006, Michael Kazhdan and Matthew Bolitho,
 *                      Johns Hopkins University
 *
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   * Neither the name of Willow Garage, Inc. nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: hash.h 5170 2012-03-18 04:21:56Z rusu $
 *
 */

#ifndef PCL_POISSON_HASH_H_
#define PCL_POISSON_HASH_H_


#ifdef WIN32
#include <hash_map>
using namespace stdext;
#else // !WIN32
#define _GLIBCXX_PERMIT_BACKWARD_HASH
#include <ext/hash_map>
using namespace __gnu_cxx;

namespace __gnu_cxx
{
  template<>
  struct hash<long long>
  {
    size_t
    operator() (long long __x) const
    {
      return (static_cast<size_t> (__x));
    }
  };

  template<>
  struct hash<const long long>
  {
    size_t
    operator() (const long long __x) const
    {
      return (static_cast<size_t> (__x));
    }
  };

  template<>
  struct hash<unsigned long long>
  {
    size_t
    operator() (unsigned long long __x) const
    {
      return (static_cast<size_t> (__x));
    }
  };

  template<>
  struct hash<const unsigned long long>
  {
    size_t
    operator() (const unsigned long long __x) const
    {
      return (static_cast<size_t> (__x));
    }
  };
}
#endif // WIN32

#endif /* PCL_POISSON_HASH_H_ */

