# bits/functional_hash.h

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    00001 // functional_hash.h header -*- C++ -*-
    00002
    00003 // Copyright (C) 2007,2008 Free Software Foundation, Inc.
    00004 //
    00005 // This file is part of the GNU ISO C++ Library.  This library is free
    00006 // software; you can redistribute it and/or modify it under the
    00007 // terms of the GNU General Public License as published by the
    00008 // Free Software Foundation; either version 2, or (at your option)
    00009 // any later version.
    00010
    00011 // This library is distributed in the hope that it will be useful,
    00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00014 // GNU General Public License for more details.
    00015
    00016 // You should have received a copy of the GNU General Public License
    00017 // along with this library; see the file COPYING.  If not, write to
    00018 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
    00019 // Boston, MA 02110-1301, USA.
    00020
    00021 // As a special exception, you may use this file as part of a free software
    00022 // library without restriction.  Specifically, if other files instantiate
    00023 // templates or use macros or inline functions from this file, or you compile
    00024 // this file and link it with other files to produce an executable, this
    00025 // file does not by itself cause the resulting executable to be covered by
    00026 // the GNU General Public License.  This exception does not however
    00027 // invalidate any other reasons why the executable file might be covered by
    00028 // the GNU General Public License.
    00029
    00030 /** @file bits/functional_hash.h
    00031  *  This is an internal header file, included by other library headers.
    00032  *  You should not attempt to use it directly.
    00033  */
    00034
    00035 #ifndef _FUNCTIONAL_HASH_H
    00036 #define _FUNCTIONAL_HASH_H 1
    00037
    00038 #pragma GCC system_header
    00039
    00040 #ifndef __GXX_EXPERIMENTAL_CXX0X__
    00041 # include <c++0x_warning.h>
    00042 #endif
    00043
    00044 #if defined(_GLIBCXX_INCLUDE_AS_TR1)
    00045 #  error C++0x header cannot be included from TR1 header
    00046 #endif
    00047
    00048 #if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
    00049 #  include <tr1_impl/functional_hash.h>
    00050 #else
    00051 #  define _GLIBCXX_INCLUDE_AS_CXX0X
    00052 #  define _GLIBCXX_BEGIN_NAMESPACE_TR1
    00053 #  define _GLIBCXX_END_NAMESPACE_TR1
    00054 #  define _GLIBCXX_TR1
    00055 #  include <tr1_impl/functional_hash.h>
    00056 #  undef _GLIBCXX_TR1
    00057 #  undef _GLIBCXX_END_NAMESPACE_TR1
    00058 #  undef _GLIBCXX_BEGIN_NAMESPACE_TR1
    00059 #  undef _GLIBCXX_INCLUDE_AS_CXX0X
    00060 #endif
    00061
    00062 #endif // _FUNCTIONAL_HASH_H
    00063