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Diffstat (limited to '8/sources/cxx-stl/gnu-libstdc++/4.7/include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp')
-rw-r--r-- | 8/sources/cxx-stl/gnu-libstdc++/4.7/include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/8/sources/cxx-stl/gnu-libstdc++/4.7/include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp b/8/sources/cxx-stl/gnu-libstdc++/4.7/include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp new file mode 100644 index 0000000..42e799f --- /dev/null +++ b/8/sources/cxx-stl/gnu-libstdc++/4.7/include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp @@ -0,0 +1,85 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009, 2011 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 binary_heap_/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 + { + /// Entry compare, primary template. + template<typename _VTp, typename Cmp_Fn, typename _Alloc, bool No_Throw> + struct entry_cmp; + + /// Specialization, true. + template<typename _VTp, typename Cmp_Fn, typename _Alloc> + struct entry_cmp<_VTp, Cmp_Fn, _Alloc, true> + { + /// Compare. + typedef Cmp_Fn type; + }; + + /// 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; + + public: + typedef typename __rebind_v::other::const_pointer entry; + + /// Compare plus entry. + struct type : public Cmp_Fn + { + type() { } + + type(const Cmp_Fn& other) : Cmp_Fn(other) { } + + bool + operator()(entry lhs, entry rhs) const + { return Cmp_Fn::operator()(*lhs, *rhs); } + }; + }; + } // namespace detail +} // namespace __gnu_pbds + +#endif // #ifndef PB_DS_BINARY_HEAP_ENTRY_CMP_HPP |