Subversion Repositories openrisc

// -*- C++ -*-

// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the terms

// of the GNU General Public License as published by the Free Software

// Foundation; either version 3, 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

// General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software

// is hereby granted without fee, provided that the above copyright

// notice appears in all copies, and that both that copyright notice

// and this permission notice appear in supporting documentation. None

// of the above authors, nor IBM Haifa Research Laboratories, make any

// representation about the suitability of this software for any

// purpose. It is provided "as is" without express or implied

// warranty.

/**

 * @file entry_cmp.hpp

 * Contains an implementation class for a binary_heap.

 */

#ifndef PB_DS_BINARY_HEAP_ENTRY_CMP_HPP

#define PB_DS_BINARY_HEAP_ENTRY_CMP_HPP

namespace __gnu_pbds

{

  namespace detail

  {

    template<typename Value_Type,

             class Cmp_Fn,

             bool No_Throw,

             class Allocator>

    struct entry_cmp

    {

      typedef Cmp_Fn type;

    };

    template<typename Value_Type, class Cmp_Fn, class Allocator>

    struct entry_cmp<

      Value_Type,

      Cmp_Fn,

      false,

      Allocator>

    {

    public:

      typedef

      typename Allocator::template rebind<

      Value_Type>::other::const_pointer

      entry;

      struct type : public Cmp_Fn

      {

      public:

        inline

        type()

        { }

        inline

        type(const Cmp_Fn& other) : Cmp_Fn(other)

        { }

        inline bool

        operator()(entry p_lhs,  entry p_rhs) const

        {

          return Cmp_Fn::operator()(*p_lhs, * p_rhs);

        }

      };

    };

  } // namespace detail

} // namespace __gnu_pbds

#endif // #ifndef PB_DS_BINARY_HEAP_ENTRY_CMP_HPP