1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009 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 3, 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// Under Section 7 of GPL version 3, you are granted additional 17// permissions described in the GCC Runtime Library Exception, version 18// 3.1, as published by the Free Software Foundation. 19 20// You should have received a copy of the GNU General Public License and 21// a copy of the GCC Runtime Library Exception along with this program; 22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23// <http://www.gnu.org/licenses/>. 24 25// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 26 27// Permission to use, copy, modify, sell, and distribute this software 28// is hereby granted without fee, provided that the above copyright 29// notice appears in all copies, and that both that copyright notice 30// and this permission notice appear in supporting documentation. None 31// of the above authors, nor IBM Haifa Research Laboratories, make any 32// representation about the suitability of this software for any 33// purpose. It is provided "as is" without express or implied 34// warranty. 35 36/** 37 * @file entry_pred.hpp 38 * Contains an implementation class for a binary_heap. 39 */ 40 41#ifndef PB_DS_BINARY_HEAP_ENTRY_PRED_HPP 42#define PB_DS_BINARY_HEAP_ENTRY_PRED_HPP 43 44namespace __gnu_pbds 45{ 46 namespace detail 47 { 48 49 template<typename Value_Type, 50 class Pred, 51 bool No_Throw, 52 class Allocator> 53 struct entry_pred 54 { 55 typedef Pred type; 56 }; 57 58 template<typename Value_Type, class Pred, class Allocator> 59 struct entry_pred< 60 Value_Type, 61 Pred, 62 false, 63 Allocator> 64 { 65 public: 66 typedef 67 typename Allocator::template rebind< 68 Value_Type>::other::const_pointer 69 entry; 70 71 struct type : public Pred 72 { 73 public: 74 inline 75 type() 76 { } 77 78 inline 79 type(const Pred& other) : Pred(other) 80 { } 81 82 inline bool 83 operator()(entry p_v) const 84 { 85 return Pred::operator()(*p_v); 86 } 87 }; 88 }; 89 90 } // namespace detail 91} // namespace __gnu_pbds 92 93#endif // #ifndef PB_DS_BINARY_HEAP_ENTRY_PRED_HPP 94