//  Boost config.hpp configuration header file  ------------------------------//

//  (C) Copyright John Maddock 2001 - 2003.

//  (C) Copyright Darin Adler 2001.

//  (C) Copyright Peter Dimov 2001.

//  (C) Copyright Bill Kempf 2002.

//  (C) Copyright Jens Maurer 2002.

//  (C) Copyright David Abrahams 2002 - 2003.

//  (C) Copyright Gennaro Prota 2003.

//  (C) Copyright Eric Friedman 2003.

//  Use, modification and distribution are subject to the

//  Boost Software License, Version 1.0. (See accompanying file

//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org for most recent version.

//  Boost config.hpp policy and rationale documentation has been moved to

//  http://www.boost.org/libs/config

//

//  This file is intended to be stable, and relatively unchanging.

//  It should contain boilerplate code only - no compiler specific

//  code unless it is unavoidable - no changes unless unavoidable.

#ifndef BOOST_CONFIG_SUFFIX_HPP

#define BOOST_CONFIG_SUFFIX_HPP

//

// look for long long by looking for the appropriate macros in <limits.h>.

// Note that we use limits.h rather than climits for maximal portability,

// remember that since these just declare a bunch of macros, there should be

// no namespace issues from this.

//

#if !defined(BOOST_HAS_LONG_LONG)                                               \

   && !defined(BOOST_MSVC) && !defined(__BORLANDC__)

# include <limits.h>

# if (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))

#   define BOOST_HAS_LONG_LONG

# endif

#endif

// GCC 3.x will clean up all of those nasty macro definitions that

// BOOST_NO_CTYPE_FUNCTIONS is intended to help work around, so undefine

// it under GCC 3.x.

#if defined(__GNUC__) && (__GNUC__ >= 3) && defined(BOOST_NO_CTYPE_FUNCTIONS)

#  undef BOOST_NO_CTYPE_FUNCTIONS

#endif

//

// Assume any extensions are in namespace std:: unless stated otherwise:

//

#  ifndef BOOST_STD_EXTENSION_NAMESPACE

#    define BOOST_STD_EXTENSION_NAMESPACE std

#  endif

//

// If cv-qualified specializations are not allowed, then neither are cv-void ones:

//

#  if defined(BOOST_NO_CV_SPECIALIZATIONS) \

      && !defined(BOOST_NO_CV_VOID_SPECIALIZATIONS)

#     define BOOST_NO_CV_VOID_SPECIALIZATIONS

#  endif

//

// If there is no numeric_limits template, then it can't have any compile time

// constants either!

//

#  if defined(BOOST_NO_LIMITS) \

      && !defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS)

#     define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS

#     define BOOST_NO_MS_INT64_NUMERIC_LIMITS

#     define BOOST_NO_LONG_LONG_NUMERIC_LIMITS

#  endif

//

// if there is no long long then there is no specialisation

// for numeric_limits<long long> either:

//

#if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS)

#  define BOOST_NO_LONG_LONG_NUMERIC_LIMITS

#endif

//

// if there is no __int64 then there is no specialisation

// for numeric_limits<__int64> either:

//

#if !defined(BOOST_HAS_MS_INT64) && !defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS)

#  define BOOST_NO_MS_INT64_NUMERIC_LIMITS

#endif

//

// if member templates are supported then so is the

// VC6 subset of member templates:

//

#  if !defined(BOOST_NO_MEMBER_TEMPLATES) \

       && !defined(BOOST_MSVC6_MEMBER_TEMPLATES)

#     define BOOST_MSVC6_MEMBER_TEMPLATES

#  endif

//

// Without partial specialization, can't test for partial specialisation bugs:

//

#  if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \

      && !defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG)

#     define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG

#  endif

//

// Without partial specialization, we can't have array-type partial specialisations:

//

#  if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \

      && !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)

#     define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS

#  endif

//

// Without partial specialization, std::iterator_traits can't work:

//

#  if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \

      && !defined(BOOST_NO_STD_ITERATOR_TRAITS)

#     define BOOST_NO_STD_ITERATOR_TRAITS

#  endif

//

// Without member template support, we can't have template constructors

// in the standard library either:

//

#  if defined(BOOST_NO_MEMBER_TEMPLATES) \

      && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \

      && !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)

#     define BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS

#  endif

//

// Without member template support, we can't have a conforming

// std::allocator template either:

//

#  if defined(BOOST_NO_MEMBER_TEMPLATES) \

      && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \

      && !defined(BOOST_NO_STD_ALLOCATOR)

#     define BOOST_NO_STD_ALLOCATOR

#  endif

//

// without ADL support then using declarations will break ADL as well:

//

#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) && !defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)

#  define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL

#endif

//

// If we have a standard allocator, then we have a partial one as well:

//

#if !defined(BOOST_NO_STD_ALLOCATOR)

#  define BOOST_HAS_PARTIAL_STD_ALLOCATOR

#endif

//

// We can't have a working std::use_facet if there is no std::locale:

//

#  if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_USE_FACET)

#     define BOOST_NO_STD_USE_FACET

#  endif

//

// We can't have a std::messages facet if there is no std::locale:

//

#  if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_MESSAGES)

#     define BOOST_NO_STD_MESSAGES

#  endif

//

// We can't have a working std::wstreambuf if there is no std::locale:

//

#  if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_WSTREAMBUF)

#     define BOOST_NO_STD_WSTREAMBUF

#  endif

//

// We can't have a <cwctype> if there is no <cwchar>:

//

#  if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_CWCTYPE)

#     define BOOST_NO_CWCTYPE

#  endif

//

// We can't have a swprintf if there is no <cwchar>:

//

#  if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_SWPRINTF)

#     define BOOST_NO_SWPRINTF

#  endif

//

// If Win32 support is turned off, then we must turn off

// threading support also, unless there is some other

// thread API enabled:

//

#if defined(BOOST_DISABLE_WIN32) && defined(_WIN32) \

   && !defined(BOOST_DISABLE_THREADS) && !defined(BOOST_HAS_PTHREADS)

#  define BOOST_DISABLE_THREADS

#endif

//

// Turn on threading support if the compiler thinks that it's in

// multithreaded mode.  We put this here because there are only a

// limited number of macros that identify this (if there's any missing

// from here then add to the appropriate compiler section):

//

#if (defined(__MT__) || defined(_MT) || defined(_REENTRANT) \

    || defined(_PTHREADS)) && !defined(BOOST_HAS_THREADS)

#  define BOOST_HAS_THREADS

#endif

//

// Turn threading support off if BOOST_DISABLE_THREADS is defined:

//

#if defined(BOOST_DISABLE_THREADS) && defined(BOOST_HAS_THREADS)

#  undef BOOST_HAS_THREADS

#endif

//

// Turn threading support off if we don't recognise the threading API:

//

#if defined(BOOST_HAS_THREADS) && !defined(BOOST_HAS_PTHREADS)\

      && !defined(BOOST_HAS_WINTHREADS) && !defined(BOOST_HAS_BETHREADS)\

      && !defined(BOOST_HAS_MPTASKS)

#  undef BOOST_HAS_THREADS

#endif

//

// Turn threading detail macros off if we don't (want to) use threading

//

#ifndef BOOST_HAS_THREADS

#  undef BOOST_HAS_PTHREADS

#  undef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE

#  undef BOOST_HAS_WINTHREADS

#  undef BOOST_HAS_BETHREADS

#  undef BOOST_HAS_MPTASKS

#endif

//

// If the compiler claims to be C99 conformant, then it had better

// have a <stdint.h>:

//

#  if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)

#     define BOOST_HAS_STDINT_H

#     ifndef BOOST_HAS_LOG1P

#        define BOOST_HAS_LOG1P

#     endif

#     ifndef BOOST_HAS_EXPM1

#        define BOOST_HAS_EXPM1

#     endif

#  endif

//

// Define BOOST_NO_SLIST and BOOST_NO_HASH if required.

// Note that this is for backwards compatibility only.

//

#  ifndef BOOST_HAS_SLIST

#     define BOOST_NO_SLIST

#  endif

#  ifndef BOOST_HAS_HASH

#     define BOOST_NO_HASH

#  endif

//

// Set BOOST_SLIST_HEADER if not set already:

//

#if defined(BOOST_HAS_SLIST) && !defined(BOOST_SLIST_HEADER)

#  define BOOST_SLIST_HEADER <slist>

#endif

//

// Set BOOST_HASH_SET_HEADER if not set already:

//

#if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_SET_HEADER)

#  define BOOST_HASH_SET_HEADER <hash_set>

#endif

//

// Set BOOST_HASH_MAP_HEADER if not set already:

//

#if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_MAP_HEADER)

#  define BOOST_HASH_MAP_HEADER <hash_map>

#endif

//  BOOST_HAS_ABI_HEADERS

//  This macro gets set if we have headers that fix the ABI,

//  and prevent ODR violations when linking to external libraries:

#if defined(BOOST_ABI_PREFIX) && defined(BOOST_ABI_SUFFIX) && !defined(BOOST_HAS_ABI_HEADERS)

#  define BOOST_HAS_ABI_HEADERS

#endif

#if defined(BOOST_HAS_ABI_HEADERS) && defined(BOOST_DISABLE_ABI_HEADERS)

#  undef BOOST_HAS_ABI_HEADERS

#endif

//  BOOST_NO_STDC_NAMESPACE workaround  --------------------------------------//

//  Because std::size_t usage is so common, even in boost headers which do not

//  otherwise use the C library, the <cstddef> workaround is included here so

//  that ugly workaround code need not appear in many other boost headers.

//  NOTE WELL: This is a workaround for non-conforming compilers; <cstddef>

//  must still be #included in the usual places so that <cstddef> inclusion

//  works as expected with standard conforming compilers.  The resulting

//  double inclusion of <cstddef> is harmless.

# ifdef BOOST_NO_STDC_NAMESPACE

#   include <cstddef>

    namespace std { using ::ptrdiff_t; using ::size_t; }

# endif

//  Workaround for the unfortunate min/max macros defined by some platform headers

#define BOOST_PREVENT_MACRO_SUBSTITUTION

#ifndef BOOST_USING_STD_MIN

#  define BOOST_USING_STD_MIN() using std::min

#endif

#ifndef BOOST_USING_STD_MAX

#  define BOOST_USING_STD_MAX() using std::max

#endif

//  BOOST_NO_STD_MIN_MAX workaround  -----------------------------------------//

#  ifdef BOOST_NO_STD_MIN_MAX

namespace std {

  template <class _Tp>

  inline const _Tp& min BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {

    return __b < __a ? __b : __a;

  }

  template <class _Tp>

  inline const _Tp& max BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {

    return  __a < __b ? __b : __a;

  }

}

#  endif

// BOOST_STATIC_CONSTANT workaround --------------------------------------- //

// On compilers which don't allow in-class initialization of static integral

// constant members, we must use enums as a workaround if we want the constants

// to be available at compile-time. This macro gives us a convenient way to

// declare such constants.

#  ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION

#       define BOOST_STATIC_CONSTANT(type, assignment) enum { assignment }

#  else

#     define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment

#  endif

// BOOST_USE_FACET / HAS_FACET workaround ----------------------------------//

// When the standard library does not have a conforming std::use_facet there

// are various workarounds available, but they differ from library to library.

// The same problem occurs with has_facet.

// These macros provide a consistent way to access a locale's facets.

// Usage:

//    replace

//       std::use_facet<Type>(loc);

//    with

//       BOOST_USE_FACET(Type, loc);

//    Note do not add a std:: prefix to the front of BOOST_USE_FACET!

//  Use for BOOST_HAS_FACET is analagous.

#if defined(BOOST_NO_STD_USE_FACET)

#  ifdef BOOST_HAS_TWO_ARG_USE_FACET

#     define BOOST_USE_FACET(Type, loc) std::use_facet(loc, static_cast<Type*>(0))

#     define BOOST_HAS_FACET(Type, loc) std::has_facet(loc, static_cast<Type*>(0))

#  elif defined(BOOST_HAS_MACRO_USE_FACET)

#     define BOOST_USE_FACET(Type, loc) std::_USE(loc, Type)

#     define BOOST_HAS_FACET(Type, loc) std::_HAS(loc, Type)

#  elif defined(BOOST_HAS_STLP_USE_FACET)

#     define BOOST_USE_FACET(Type, loc) (*std::_Use_facet<Type >(loc))

#     define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)

#  endif

#else

#  define BOOST_USE_FACET(Type, loc) std::use_facet< Type >(loc)

#  define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)

#endif

// BOOST_NESTED_TEMPLATE workaround ------------------------------------------//

// Member templates are supported by some compilers even though they can't use

// the A::template member<U> syntax, as a workaround replace:

//

// typedef typename A::template rebind<U> binder;

//

// with:

//

// typedef typename A::BOOST_NESTED_TEMPLATE rebind<U> binder;

#ifndef BOOST_NO_MEMBER_TEMPLATE_KEYWORD

#  define BOOST_NESTED_TEMPLATE template

#else

#  define BOOST_NESTED_TEMPLATE

#endif

// BOOST_UNREACHABLE_RETURN(x) workaround -------------------------------------//

// Normally evaluates to nothing, unless BOOST_NO_UNREACHABLE_RETURN_DETECTION

// is defined, in which case it evaluates to return x; Use when you have a return

// statement that can never be reached.

#ifdef BOOST_NO_UNREACHABLE_RETURN_DETECTION

#  define BOOST_UNREACHABLE_RETURN(x) return x;

#else

#  define BOOST_UNREACHABLE_RETURN(x)

#endif

// BOOST_DEDUCED_TYPENAME workaround ------------------------------------------//

//

// Some compilers don't support the use of `typename' for dependent

// types in deduced contexts, e.g.

//

//     template <class T> void f(T, typename T::type);

//                                  ^^^^^^^^

// Replace these declarations with:

//

//     template <class T> void f(T, BOOST_DEDUCED_TYPENAME T::type);

#ifndef BOOST_NO_DEDUCED_TYPENAME

#  define BOOST_DEDUCED_TYPENAME typename

#else

#  define BOOST_DEDUCED_TYPENAME

#endif

// long long workaround ------------------------------------------//

// On gcc (and maybe other compilers?) long long is alway supported

// but it's use may generate either warnings (with -ansi), or errors

// (with -pedantic -ansi) unless it's use is prefixed by __extension__

//

#if defined(BOOST_HAS_LONG_LONG)

namespace boost{

#  ifdef __GNUC__

   __extension__ typedef long long long_long_type;

   __extension__ typedef unsigned long long ulong_long_type;

#  else

   typedef long long long_long_type;

   typedef unsigned long long ulong_long_type;

#  endif

}

#endif

// BOOST_[APPEND_]EXPLICIT_TEMPLATE_[NON_]TYPE macros --------------------------//

//

// Some compilers have problems with function templates whose

// template parameters don't appear in the function parameter

// list (basically they just link one instantiation of the

// template in the final executable). These macros provide a

// uniform way to cope with the problem with no effects on the

// calling syntax.

// Example:

//

//  #include <iostream>

//  #include <ostream>

//  #include <typeinfo>

//

//  template <int n>

//  void f() { std::cout << n << ' '; }

//

//  template <typename T>

//  void g() { std::cout << typeid(T).name() << ' '; }

//

//  int main() {

//    f<1>();

//    f<2>();

//

//    g<int>();

//    g<double>();

//  }

//

// With VC++ 6.0 the output is:

//

//   2 2 double double

//

// To fix it, write

//

//   template <int n>

//   void f(BOOST_EXPLICIT_TEMPLATE_NON_TYPE(int, n)) { ... }

//

//   template <typename T>

//   void g(BOOST_EXPLICIT_TEMPLATE_TYPE(T)) { ... }

//

#if defined BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS

#  include "boost/type.hpp"

#  include "boost/non_type.hpp"

#  define BOOST_EXPLICIT_TEMPLATE_TYPE(t)         boost::type<t>* = 0

#  define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t)    boost::type<t>*

#  define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v)  boost::non_type<t, v>* = 0

#  define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)  boost::non_type<t, v>*

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t)         \

             , BOOST_EXPLICIT_TEMPLATE_TYPE(t)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t)    \

             , BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v)  \

             , BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)  \

             , BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)

#else

// no workaround needed: expand to nothing

#  define BOOST_EXPLICIT_TEMPLATE_TYPE(t)

#  define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t)

#  define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v)

#  define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)

#endif // defined BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS

// ---------------------------------------------------------------------------//

//

// Helper macro BOOST_STRINGIZE:

// Converts the parameter X to a string after macro replacement

// on X has been performed.

//

#define BOOST_STRINGIZE(X) BOOST_DO_STRINGIZE(X)

#define BOOST_DO_STRINGIZE(X) #X

//

// Helper macro BOOST_JOIN:

// The following piece of macro magic joins the two

// arguments together, even when one of the arguments is

// itself a macro (see 16.3.1 in C++ standard).  The key

// is that macro expansion of macro arguments does not

// occur in BOOST_DO_JOIN2 but does in BOOST_DO_JOIN.

//

#define BOOST_JOIN( X, Y ) BOOST_DO_JOIN( X, Y )

#define BOOST_DO_JOIN( X, Y ) BOOST_DO_JOIN2(X,Y)

#define BOOST_DO_JOIN2( X, Y ) X##Y

//

// Set some default values for compiler/library/platform names.

// These are for debugging config setup only:

//

#  ifndef BOOST_COMPILER

#     define BOOST_COMPILER "Unknown ISO C++ Compiler"

#  endif

#  ifndef BOOST_STDLIB

#     define BOOST_STDLIB "Unknown ISO standard library"

#  endif

#  ifndef BOOST_PLATFORM

#     if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) \

         || defined(_POSIX_SOURCE)

#        define BOOST_PLATFORM "Generic Unix"

#     else

#        define BOOST_PLATFORM "Unknown"

#     endif

#  endif

#endif