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diff --git a/src/third_party/boost-1.69.0/boost/math/tools/tuple.hpp b/src/third_party/boost-1.69.0/boost/math/tools/tuple.hpp
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+++ b/src/third_party/boost-1.69.0/boost/math/tools/tuple.hpp
@@ -0,0 +1,91 @@
+//  (C) Copyright John Maddock 2010.
+//  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)
+
+#ifndef BOOST_MATH_TUPLE_HPP_INCLUDED
+#  define BOOST_MATH_TUPLE_HPP_INCLUDED
+#  include <boost/config.hpp>
+#  include <boost/detail/workaround.hpp>
+
+#if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
+
+#include <tuple>
+
+namespace boost{ namespace math{
+
+using ::std::tuple;
+
+// [6.1.3.2] Tuple creation functions
+using ::std::ignore;
+using ::std::make_tuple;
+using ::std::tie;
+using ::std::get;
+
+// [6.1.3.3] Tuple helper classes
+using ::std::tuple_size;
+using ::std::tuple_element;
+
+}}
+
+#elif (defined(__BORLANDC__) && (__BORLANDC__ <= 0x600)) || defined(__IBMCPP__)
+
+#include <boost/tuple/tuple.hpp>
+#include <boost/tuple/tuple_comparison.hpp>
+#include <boost/type_traits/integral_constant.hpp>
+
+namespace boost{ namespace math{
+
+using ::boost::tuple;
+
+// [6.1.3.2] Tuple creation functions
+using ::boost::tuples::ignore;
+using ::boost::make_tuple;
+using ::boost::tie;
+
+// [6.1.3.3] Tuple helper classes
+template <class T> 
+struct tuple_size 
+   : public ::boost::integral_constant
+   < ::std::size_t, ::boost::tuples::length<T>::value>
+{};
+
+template < int I, class T>
+struct tuple_element
+{
+   typedef typename boost::tuples::element<I,T>::type type;
+};
+
+#if !BOOST_WORKAROUND(__BORLANDC__, < 0x0582)
+// [6.1.3.4] Element access
+using ::boost::get;
+#endif
+
+} } // namespaces
+
+#else
+
+#include <boost/fusion/include/tuple.hpp>
+#include <boost/fusion/include/std_pair.hpp>
+
+namespace boost{ namespace math{
+
+using ::boost::fusion::tuple;
+
+// [6.1.3.2] Tuple creation functions
+using ::boost::fusion::ignore;
+using ::boost::fusion::make_tuple;
+using ::boost::fusion::tie;
+using ::boost::fusion::get;
+
+// [6.1.3.3] Tuple helper classes
+using ::boost::fusion::tuple_size;
+using ::boost::fusion::tuple_element;
+
+}}
+
+#endif
+
+#endif
+
+