From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- .../include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp | 179 +++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (limited to 'libstdc++-v3/include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp') diff --git a/libstdc++-v3/include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp b/libstdc++-v3/include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp new file mode 100644 index 000000000..b21c252e2 --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp @@ -0,0 +1,179 @@ +// -*- 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 +// . + +// 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 hash_eq_fn.hpp + * Contains 2 eqivalence functions, one employing a hash value, + * and one ignoring it. + */ + +#ifndef PB_DS_HASH_EQ_FN_HPP +#define PB_DS_HASH_EQ_FN_HPP + +#include +#include + +namespace __gnu_pbds +{ + namespace detail + { + template + struct hash_eq_fn; + +#define PB_DS_CLASS_T_DEC \ + template + +#define PB_DS_CLASS_C_DEC \ + hash_eq_fn + + /** + * Specialization 1- The client requests that hash values not be stored. + **/ + template + struct hash_eq_fn : public Eq_Fn + { + typedef Eq_Fn eq_fn_base; + + typedef typename Allocator::template rebind::other key_allocator; + + typedef typename key_allocator::const_reference const_key_reference; + + hash_eq_fn(); + + hash_eq_fn(const Eq_Fn& r_eq_fn); + + inline bool + operator()(const_key_reference r_lhs_key, const_key_reference r_rhs_key) const; + + inline void + swap(const PB_DS_CLASS_C_DEC& other); + }; + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + hash_eq_fn() + { } + + PB_DS_CLASS_T_DEC + inline void + PB_DS_CLASS_C_DEC:: + swap(const PB_DS_CLASS_C_DEC& other) + { std::swap((Eq_Fn& )(*this), (Eq_Fn& )other); } + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + hash_eq_fn(const Eq_Fn& r_eq_fn) : + Eq_Fn(r_eq_fn) + { } + + PB_DS_CLASS_T_DEC + inline bool + PB_DS_CLASS_C_DEC:: + operator()(const_key_reference r_lhs_key, const_key_reference r_rhs_key) const + { return (eq_fn_base::operator()(r_lhs_key, r_rhs_key)); } + +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_CLASS_C_DEC + +#define PB_DS_CLASS_T_DEC \ + template + +#define PB_DS_CLASS_C_DEC \ + hash_eq_fn + + /** + * Specialization 2- The client requests that hash values be stored. + **/ + template + struct hash_eq_fn : + public Eq_Fn + { + typedef typename Allocator::size_type size_type; + + typedef Eq_Fn eq_fn_base; + + typedef typename Allocator::template rebind::other key_allocator; + + typedef typename key_allocator::const_reference const_key_reference; + + hash_eq_fn(); + + hash_eq_fn(const Eq_Fn& r_eq_fn); + + inline bool + operator()(const_key_reference r_lhs_key, size_type lhs_hash, + const_key_reference r_rhs_key, size_type rhs_hash) const; + + inline void + swap(const PB_DS_CLASS_C_DEC& other); + }; + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + hash_eq_fn() + { } + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + hash_eq_fn(const Eq_Fn& r_eq_fn) : + Eq_Fn(r_eq_fn) + { } + + PB_DS_CLASS_T_DEC + inline bool + PB_DS_CLASS_C_DEC:: + operator()(const_key_reference r_lhs_key, size_type lhs_hash, + const_key_reference r_rhs_key, size_type rhs_hash) const + { + _GLIBCXX_DEBUG_ASSERT(!eq_fn_base::operator()(r_lhs_key, r_rhs_key) + || lhs_hash == rhs_hash); + + return (lhs_hash == rhs_hash && + eq_fn_base::operator()(r_lhs_key, r_rhs_key)); + } + + PB_DS_CLASS_T_DEC + inline void + PB_DS_CLASS_C_DEC:: + swap(const PB_DS_CLASS_C_DEC& other) + { std::swap((Eq_Fn& )(*this), (Eq_Fn& )(other)); } + +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_CLASS_C_DEC + + } // namespace detail +} // namespace __gnu_pbds + +#endif -- cgit v1.2.3