1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the terms 7 // of the GNU General Public License as published by the Free Software 8 // Foundation; either version 2, or (at your option) any later 9 // version. 10 11 // This library is distributed in the hope that it will be useful, but 12 // WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 // General Public License for more details. 15 16 // You should have received a copy of the GNU General Public License 17 // along with this library; see the file COPYING. If not, write to 18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19 // MA 02111-1307, USA. 20 21 // As a special exception, you may use this file as part of a free 22 // software library without restriction. Specifically, if other files 23 // instantiate templates or use macros or inline functions from this 24 // file, or you compile this file and link it with other files to 25 // produce an executable, this file does not by itself cause the 26 // resulting executable to be covered by the GNU General Public 27 // License. This exception does not however invalidate any other 28 // reasons why the executable file might be covered by the GNU General 29 // Public License. 30 31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32 33 // Permission to use, copy, modify, sell, and distribute this software 34 // is hereby granted without fee, provided that the above copyright 35 // notice appears in all copies, and that both that copyright notice 36 // and this permission notice appear in supporting documentation. None 37 // of the above authors, nor IBM Haifa Research Laboratories, make any 38 // representation about the suitability of this software for any 39 // purpose. It is provided "as is" without express or implied 40 // warranty. 41 42 /** 43 * @file entry_cmp.hpp 44 * Contains an implementation class for a binary_heap. 45 */ 46 47 #ifndef PB_DS_BINARY_HEAP_ENTRY_CMP_HPP 48 #define PB_DS_BINARY_HEAP_ENTRY_CMP_HPP 49 50 namespace pb_ds 51 { 52 namespace detail 53 { 54 55 template<typename Value_Type, 56 class Cmp_Fn, 57 bool No_Throw, 58 class Allocator> 59 struct entry_cmp 60 { 61 typedef Cmp_Fn type; 62 }; 63 64 template<typename Value_Type, class Cmp_Fn, class Allocator> 65 struct entry_cmp< 66 Value_Type, 67 Cmp_Fn, 68 false, 69 Allocator> 70 { 71 public: 72 typedef 73 typename Allocator::template rebind< 74 Value_Type>::other::const_pointer 75 entry; 76 77 struct type : public Cmp_Fn 78 { 79 public: 80 inline typepb_ds::detail::entry_cmp::type81 type() 82 { } 83 84 inline typepb_ds::detail::entry_cmp::type85 type(const Cmp_Fn& other) : Cmp_Fn(other) 86 { } 87 88 inline bool operator ()pb_ds::detail::entry_cmp::type89 operator()(entry p_lhs, entry p_rhs) const 90 { 91 return Cmp_Fn::operator()(*p_lhs, * p_rhs); 92 } 93 }; 94 }; 95 96 } // namespace detail 97 } // namespace pb_ds 98 99 #endif // #ifndef PB_DS_BINARY_HEAP_ENTRY_CMP_HPP 100