ceph/src/boost/libs/math/include/boost/math/tools/tuple.hpp

   1 //  (C) Copyright John Maddock 2010.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef BOOST_MATH_TUPLE_HPP_INCLUDED
   7 #  define BOOST_MATH_TUPLE_HPP_INCLUDED
   8 #  include <boost/config.hpp>
   9 #  include <boost/detail/workaround.hpp>
  10
  11 #if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
  12
  13 #include <tuple>
  14
  15 namespace boost{ namespace math{
  16
  17 using ::std::tuple;
  18
  19 // [6.1.3.2] Tuple creation functions
  20 using ::std::ignore;
  21 using ::std::make_tuple;
  22 using ::std::tie;
  23 using ::std::get;
  24
  25 // [6.1.3.3] Tuple helper classes
  26 using ::std::tuple_size;
  27 using ::std::tuple_element;
  28
  29 }}
  30
  31 #elif (defined(__BORLANDC__) && (__BORLANDC__ <= 0x600)) || defined(__IBMCPP__)
  32
  33 #include <boost/tuple/tuple.hpp>
  34 #include <boost/tuple/tuple_comparison.hpp>
  35 #include <boost/type_traits/integral_constant.hpp>
  36
  37 namespace boost{ namespace math{
  38
  39 using ::boost::tuple;
  40
  41 // [6.1.3.2] Tuple creation functions
  42 using ::boost::tuples::ignore;
  43 using ::boost::make_tuple;
  44 using ::boost::tie;
  45
  46 // [6.1.3.3] Tuple helper classes
  47 template <class T>
  48 struct tuple_size
  49    : public ::boost::integral_constant
  50    < ::std::size_t, ::boost::tuples::length<T>::value>
  51 {};
  52
  53 template < int I, class T>
  54 struct tuple_element
  55 {
  56    typedef typename boost::tuples::element<I,T>::type type;
  57 };
  58
  59 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x0582)
  60 // [6.1.3.4] Element access
  61 using ::boost::get;
  62 #endif
  63
  64 } } // namespaces
  65
  66 #else
  67
  68 #include <boost/fusion/include/tuple.hpp>
  69 #include <boost/fusion/include/std_pair.hpp>
  70
  71 namespace boost{ namespace math{
  72
  73 using ::boost::fusion::tuple;
  74
  75 // [6.1.3.2] Tuple creation functions
  76 using ::boost::fusion::ignore;
  77 using ::boost::fusion::make_tuple;
  78 using ::boost::fusion::tie;
  79 using ::boost::fusion::get;
  80
  81 // [6.1.3.3] Tuple helper classes
  82 using ::boost::fusion::tuple_size;
  83 using ::boost::fusion::tuple_element;
  84
  85 }}
  86
  87 #endif
  88
  89 #endif
  90
  91