0,0 → 1,85 |
// -*- C++ -*- |
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// Copyright (C) 2005-2015 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. |
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// 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. |
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// 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. |
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// 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/>. |
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. |
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// 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. |
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/** |
* @file binary_heap_/entry_cmp.hpp |
* Contains an implementation class for a binary_heap. |
*/ |
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#ifndef PB_DS_BINARY_HEAP_ENTRY_CMP_HPP |
#define PB_DS_BINARY_HEAP_ENTRY_CMP_HPP |
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namespace __gnu_pbds |
{ |
namespace detail |
{ |
/// Entry compare, primary template. |
template<typename _VTp, typename Cmp_Fn, typename _Alloc, bool No_Throw> |
struct entry_cmp; |
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/// Specialization, true. |
template<typename _VTp, typename Cmp_Fn, typename _Alloc> |
struct entry_cmp<_VTp, Cmp_Fn, _Alloc, true> |
{ |
/// Compare. |
typedef Cmp_Fn type; |
}; |
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/// Specialization, false. |
template<typename _VTp, typename Cmp_Fn, typename _Alloc> |
struct entry_cmp<_VTp, Cmp_Fn, _Alloc, false> |
{ |
private: |
typedef typename _Alloc::template rebind<_VTp> __rebind_v; |
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public: |
typedef typename __rebind_v::other::const_pointer entry; |
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/// Compare plus entry. |
struct type : public Cmp_Fn |
{ |
type() { } |
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type(const Cmp_Fn& other) : Cmp_Fn(other) { } |
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bool |
operator()(entry lhs, entry rhs) const |
{ return Cmp_Fn::operator()(*lhs, *rhs); } |
}; |
}; |
} // namespace detail |
} // namespace __gnu_pbds |
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#endif // #ifndef PB_DS_BINARY_HEAP_ENTRY_CMP_HPP |