1 // std::tr1::hash definitions -*- C++ -*- 2 3 // Copyright (C) 2007, 2008, 2009, 2010, 2011 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 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU 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 #include <string> 26 #include <tr1/functional> 27 28 #include "hash-long-double-tr1-aux.cc" 29 30 namespace std _GLIBCXX_VISIBILITY(default) 31 { 32 namespace tr1 33 { 34 #ifndef _GLIBCXX_LONG_DOUBLE_COMPAT_IMPL 35 template<> 36 size_t 37 hash<string>::operator()(string __s) const 38 { return _Fnv_hash::hash(__s.data(), __s.length()); } 39 40 template<> 41 size_t 42 hash<const string&>::operator()(const string& __s) const 43 { return _Fnv_hash::hash(__s.data(), __s.length()); } 44 45 #ifdef _GLIBCXX_USE_WCHAR_T 46 template<> 47 size_t 48 hash<wstring>::operator()(wstring __s) const 49 { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } 50 51 template<> 52 size_t 53 hash<const wstring&>::operator()(const wstring& __s) const 54 { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } 55 #endif 56 #endif 57 } 58 } 59