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// Predefined symbols and macros -*- C++ -*-

// Copyright (C) 1997-2015 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

// .

/** @file bits/c++config.h

 *  This is an internal header file, included by other library headers.

 *  Do not attempt to use it directly. @headername{iosfwd}

 */

#ifndef _GLIBCXX_CXX_CONFIG_H

#define _GLIBCXX_CXX_CONFIG_H 1

// The current version of the C++ library in compressed ISO date format.

#define __GLIBCXX__

// Macros for various attributes.

//   _GLIBCXX_PURE

//   _GLIBCXX_CONST

//   _GLIBCXX_NORETURN

//   _GLIBCXX_NOTHROW

//   _GLIBCXX_VISIBILITY

#ifndef _GLIBCXX_PURE

# define _GLIBCXX_PURE __attribute__ ((__pure__))

#endif

#ifndef _GLIBCXX_CONST

# define _GLIBCXX_CONST __attribute__ ((__const__))

#endif

#ifndef _GLIBCXX_NORETURN

# define _GLIBCXX_NORETURN __attribute__ ((__noreturn__))

#endif

// See below for C++

#ifndef _GLIBCXX_NOTHROW

# ifndef __cplusplus

#  define _GLIBCXX_NOTHROW __attribute__((__nothrow__))

# endif

#endif

// Macros for visibility attributes.

//   _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY

//   _GLIBCXX_VISIBILITY

#define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY

#if _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY

# define _GLIBCXX_VISIBILITY(V) __attribute__ ((__visibility__ (#V)))

#else

// If this is not supplied by the OS-specific or CPU-specific

// headers included below, it will be defined to an empty default.

# define _GLIBCXX_VISIBILITY(V) _GLIBCXX_PSEUDO_VISIBILITY(V)

#endif

// Macros for deprecated attributes.

//   _GLIBCXX_USE_DEPRECATED

//   _GLIBCXX_DEPRECATED

#ifndef _GLIBCXX_USE_DEPRECATED

# define _GLIBCXX_USE_DEPRECATED 1

#endif

#if defined(__DEPRECATED) && (__cplusplus >= 201103L)

# define _GLIBCXX_DEPRECATED __attribute__ ((__deprecated__))

#else

# define _GLIBCXX_DEPRECATED

#endif

// Macros for ABI tag attributes.

#ifndef _GLIBCXX_ABI_TAG_CXX11

# define _GLIBCXX_ABI_TAG_CXX11 __attribute ((__abi_tag__ ("cxx11")))

#endif

#if __cplusplus

// Macro for constexpr, to support in mixed 03/0x mode.

#ifndef _GLIBCXX_CONSTEXPR

# if __cplusplus >= 201103L

#  define _GLIBCXX_CONSTEXPR constexpr

#  define _GLIBCXX_USE_CONSTEXPR constexpr

# else

#  define _GLIBCXX_CONSTEXPR

#  define _GLIBCXX_USE_CONSTEXPR const

# endif

#endif

#ifndef _GLIBCXX14_CONSTEXPR

# if __cplusplus >= 201402L

#  define _GLIBCXX14_CONSTEXPR constexpr

# else

#  define _GLIBCXX14_CONSTEXPR

# endif

#endif

// Macro for noexcept, to support in mixed 03/0x mode.

#ifndef _GLIBCXX_NOEXCEPT

# if __cplusplus >= 201103L

#  define _GLIBCXX_NOEXCEPT noexcept

#  define _GLIBCXX_USE_NOEXCEPT noexcept

#  define _GLIBCXX_THROW(_EXC)

# else

#  define _GLIBCXX_NOEXCEPT

#  define _GLIBCXX_USE_NOEXCEPT throw()

#  define _GLIBCXX_THROW(_EXC) throw(_EXC)

# endif

#endif

#ifndef _GLIBCXX_NOTHROW

# define _GLIBCXX_NOTHROW _GLIBCXX_USE_NOEXCEPT

#endif

#ifndef _GLIBCXX_THROW_OR_ABORT

# if __cpp_exceptions

#  define _GLIBCXX_THROW_OR_ABORT(_EXC) (throw (_EXC))

# else

#  define _GLIBCXX_THROW_OR_ABORT(_EXC) (__builtin_abort())

# endif

#endif

// Macro for extern template, ie controling template linkage via use

// of extern keyword on template declaration. As documented in the g++

// manual, it inhibits all implicit instantiations and is used

// throughout the library to avoid multiple weak definitions for

// required types that are already explicitly instantiated in the

// library binary. This substantially reduces the binary size of

// resulting executables.

// Special case: _GLIBCXX_EXTERN_TEMPLATE == -1 disallows extern

// templates only in basic_string, thus activating its debug-mode

// checks even at -O0.

#define _GLIBCXX_EXTERN_TEMPLATE

/*

  Outline of libstdc++ namespaces.

  namespace std

  {

    namespace __debug { }

    namespace __parallel { }

    namespace __profile { }

    namespace __cxx1998 { }

    namespace __detail { }

    namespace rel_ops { }

    namespace tr1

    {

      namespace placeholders { }

      namespace regex_constants { }

      namespace __detail { }

    }

    namespace tr2 { }

    namespace decimal { }

    namespace chrono { }

    namespace placeholders { }

    namespace regex_constants { }

    namespace this_thread { }

    namespace experimental { }

  }

  namespace abi { }

  namespace __gnu_cxx

  {

    namespace __detail { }

  }

  For full details see:

  http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/namespaces.html

*/

namespace std

{

  typedef __SIZE_TYPE__ 	size_t;

  typedef __PTRDIFF_TYPE__	ptrdiff_t;

#if __cplusplus >= 201103L

  typedef decltype(nullptr)	nullptr_t;

#endif

}

#define _GLIBCXX_USE_DUAL_ABI

#if ! _GLIBCXX_USE_DUAL_ABI

// Ignore any pre-defined value of _GLIBCXX_USE_CXX11_ABI

# undef _GLIBCXX_USE_CXX11_ABI

#endif

#ifndef _GLIBCXX_USE_CXX11_ABI

#define _GLIBCXX_USE_CXX11_ABI

#endif

#if _GLIBCXX_USE_CXX11_ABI

namespace std

{

  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }

}

namespace __gnu_cxx

{

  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }

}

# define _GLIBCXX_NAMESPACE_CXX11 __cxx11::

# define _GLIBCXX_BEGIN_NAMESPACE_CXX11 namespace __cxx11 {

# define _GLIBCXX_END_NAMESPACE_CXX11 }

# define _GLIBCXX_DEFAULT_ABI_TAG _GLIBCXX_ABI_TAG_CXX11

#else

# define _GLIBCXX_NAMESPACE_CXX11

# define _GLIBCXX_BEGIN_NAMESPACE_CXX11

# define _GLIBCXX_END_NAMESPACE_CXX11

# define _GLIBCXX_DEFAULT_ABI_TAG

#endif

// Defined if inline namespaces are used for versioning.

#define _GLIBCXX_INLINE_VERSION

// Inline namespace for symbol versioning.

#if _GLIBCXX_INLINE_VERSION

namespace std

{

  inline namespace __7 { }

  namespace rel_ops { inline namespace __7 { } }

  namespace tr1

  {

    inline namespace __7 { }

    namespace placeholders { inline namespace __7 { } }

    namespace regex_constants { inline namespace __7 { } }

    namespace __detail { inline namespace __7 { } }

  }

  namespace tr2

  { inline namespace __7 { } }

  namespace decimal { inline namespace __7 { } }

  namespace chrono { inline namespace __7 { } }

  namespace placeholders { inline namespace __7 { } }

  namespace regex_constants { inline namespace __7 { } }

  namespace this_thread { inline namespace __7 { } }

  namespace experimental { inline namespace __7 { } }

  namespace __detail { inline namespace __7 { } }

}

namespace __gnu_cxx

{

  inline namespace __7 { }

  namespace __detail { inline namespace __7 { } }

}

# define _GLIBCXX_BEGIN_NAMESPACE_VERSION namespace __7 {

# define _GLIBCXX_END_NAMESPACE_VERSION }

#else

# define _GLIBCXX_BEGIN_NAMESPACE_VERSION

# define _GLIBCXX_END_NAMESPACE_VERSION

#endif

// Inline namespaces for special modes: debug, parallel, profile.

#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PARALLEL) \

    || defined(_GLIBCXX_PROFILE)

namespace std

{

  // Non-inline namespace for components replaced by alternates in active mode.

  namespace __cxx1998

  {

# if _GLIBCXX_INLINE_VERSION

  inline namespace __7 { }

# endif

# if _GLIBCXX_USE_CXX11_ABI

  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }

# endif

  }

  // Inline namespace for debug mode.

# ifdef _GLIBCXX_DEBUG

  inline namespace __debug { }

# endif

  // Inline namespaces for parallel mode.

# ifdef _GLIBCXX_PARALLEL

  inline namespace __parallel { }

# endif

  // Inline namespaces for profile mode

# ifdef _GLIBCXX_PROFILE

  inline namespace __profile { }

# endif

}

// Check for invalid usage and unsupported mixed-mode use.

# if defined(_GLIBCXX_DEBUG) && defined(_GLIBCXX_PARALLEL)

#  error illegal use of multiple inlined namespaces

# endif

# if defined(_GLIBCXX_PROFILE) && defined(_GLIBCXX_DEBUG)

#  error illegal use of multiple inlined namespaces

# endif

# if defined(_GLIBCXX_PROFILE) && defined(_GLIBCXX_PARALLEL)

#  error illegal use of multiple inlined namespaces

# endif

// Check for invalid use due to lack for weak symbols.

# if __NO_INLINE__ && !__GXX_WEAK__

#  warning currently using inlined namespace mode which may fail \

   without inlining due to lack of weak symbols

# endif

#endif

// Macros for namespace scope. Either namespace std:: or the name

// of some nested namespace within it corresponding to the active mode.

// _GLIBCXX_STD_A

// _GLIBCXX_STD_C

//

// Macros for opening/closing conditional namespaces.

// _GLIBCXX_BEGIN_NAMESPACE_ALGO

// _GLIBCXX_END_NAMESPACE_ALGO

// _GLIBCXX_BEGIN_NAMESPACE_CONTAINER

// _GLIBCXX_END_NAMESPACE_CONTAINER

#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PROFILE)

# define _GLIBCXX_STD_C __cxx1998

# define _GLIBCXX_BEGIN_NAMESPACE_CONTAINER \

	 namespace _GLIBCXX_STD_C { _GLIBCXX_BEGIN_NAMESPACE_VERSION

# define _GLIBCXX_END_NAMESPACE_CONTAINER \

	 _GLIBCXX_END_NAMESPACE_VERSION }

# undef _GLIBCXX_EXTERN_TEMPLATE

# define _GLIBCXX_EXTERN_TEMPLATE -1

#endif

#ifdef _GLIBCXX_PARALLEL

# define _GLIBCXX_STD_A __cxx1998

# define _GLIBCXX_BEGIN_NAMESPACE_ALGO \

	 namespace _GLIBCXX_STD_A { _GLIBCXX_BEGIN_NAMESPACE_VERSION

# define _GLIBCXX_END_NAMESPACE_ALGO \

	 _GLIBCXX_END_NAMESPACE_VERSION }

#endif

#ifndef _GLIBCXX_STD_A

# define _GLIBCXX_STD_A std

#endif

#ifndef _GLIBCXX_STD_C

# define _GLIBCXX_STD_C std

#endif

#ifndef _GLIBCXX_BEGIN_NAMESPACE_ALGO

# define _GLIBCXX_BEGIN_NAMESPACE_ALGO

#endif

#ifndef _GLIBCXX_END_NAMESPACE_ALGO

# define _GLIBCXX_END_NAMESPACE_ALGO

#endif

#ifndef _GLIBCXX_BEGIN_NAMESPACE_CONTAINER

# define _GLIBCXX_BEGIN_NAMESPACE_CONTAINER

#endif

#ifndef _GLIBCXX_END_NAMESPACE_CONTAINER

# define _GLIBCXX_END_NAMESPACE_CONTAINER

#endif

// GLIBCXX_ABI Deprecated

// Define if compatibility should be provided for -mlong-double-64.

#undef _GLIBCXX_LONG_DOUBLE_COMPAT

// Inline namespace for long double 128 mode.

#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__

namespace std

{

  inline namespace __gnu_cxx_ldbl128 { }

}

# define _GLIBCXX_NAMESPACE_LDBL __gnu_cxx_ldbl128::

# define _GLIBCXX_BEGIN_NAMESPACE_LDBL namespace __gnu_cxx_ldbl128 {

# define _GLIBCXX_END_NAMESPACE_LDBL }

#else

# define _GLIBCXX_NAMESPACE_LDBL

# define _GLIBCXX_BEGIN_NAMESPACE_LDBL

# define _GLIBCXX_END_NAMESPACE_LDBL

#endif

#if _GLIBCXX_USE_CXX11_ABI

# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_CXX11

# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_CXX11

# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_CXX11

#else

# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_LDBL

# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_LDBL

# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_LDBL

#endif

// Assert.

#if !defined(_GLIBCXX_DEBUG) && !defined(_GLIBCXX_PARALLEL)

# define __glibcxx_assert(_Condition)

#else

namespace std

{

  // Avoid the use of assert, because we're trying to keep the 

  // include out of the mix.

  inline void

  __replacement_assert(const char* __file, int __line,

		       const char* __function, const char* __condition)

  {

    __builtin_printf("%s:%d: %s: Assertion '%s' failed.\n", __file, __line,

		     __function, __condition);

    __builtin_abort();

  }

}

#define __glibcxx_assert(_Condition)				   	 \

  do 									 \

  {							      		 \

    if (! (_Condition))                                                  \

      std::__replacement_assert(__FILE__, __LINE__, __PRETTY_FUNCTION__, \

				#_Condition);				 \

  } while (false)

#endif

// Macros for race detectors.

// _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(A) and

// _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(A) should be used to explain

// atomic (lock-free) synchronization to race detectors:

// the race detector will infer a happens-before arc from the former to the

// latter when they share the same argument pointer.

//

// The most frequent use case for these macros (and the only case in the

// current implementation of the library) is atomic reference counting:

//   void _M_remove_reference()

//   {

//     _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&this->_M_refcount);

//     if (__gnu_cxx::__exchange_and_add_dispatch(&this->_M_refcount, -1) <= 0)

//       {

//         _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&this->_M_refcount);

//         _M_destroy(__a);

//       }

//   }

// The annotations in this example tell the race detector that all memory

// accesses occurred when the refcount was positive do not race with

// memory accesses which occurred after the refcount became zero.

#ifndef _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE

# define  _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(A)

#endif

#ifndef _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER

# define  _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(A)

#endif

// Macros for C linkage: define extern "C" linkage only when using C++.

# define _GLIBCXX_BEGIN_EXTERN_C extern "C" {

# define _GLIBCXX_END_EXTERN_C }

#else // !__cplusplus

# define _GLIBCXX_BEGIN_EXTERN_C

# define _GLIBCXX_END_EXTERN_C

#endif

// First includes.

// Pick up any OS-specific definitions.

#include 

// Pick up any CPU-specific definitions.

#include 

// If platform uses neither visibility nor psuedo-visibility,

// specify empty default for namespace annotation macros.

#ifndef _GLIBCXX_PSEUDO_VISIBILITY

# define _GLIBCXX_PSEUDO_VISIBILITY(V)

#endif

// Certain function definitions that are meant to be overridable from

// user code are decorated with this macro.  For some targets, this

// macro causes these definitions to be weak.

#ifndef _GLIBCXX_WEAK_DEFINITION

# define _GLIBCXX_WEAK_DEFINITION

#endif

// The remainder of the prewritten config is automatic; all the

// user hooks are listed above.

// Create a boolean flag to be used to determine if --fast-math is set.

#ifdef __FAST_MATH__

# define _GLIBCXX_FAST_MATH 1

#else

# define _GLIBCXX_FAST_MATH 0

#endif

// This marks string literals in header files to be extracted for eventual

// translation.  It is primarily used for messages in thrown exceptions; see

// src/functexcept.cc.  We use __N because the more traditional _N is used

// for something else under certain OSes (see BADNAMES).

#define __N(msgid)     (msgid)

// For example,  is known to #define min and max as macros...

#undef min

#undef max

// End of prewritten config; the settings discovered at configure time follow.