ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/random/detail/operators.hpp b/include/ndnboost/random/detail/operators.hpp
new file mode 100644
index 0000000..4df4881
--- /dev/null
+++ b/include/ndnboost/random/detail/operators.hpp
@@ -0,0 +1,84 @@
+/* boost random/detail/operators.hpp header file
+ *
+ * Copyright Steven Watanabe 2010-2011
+ * Distributed under 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 including documentation.
+ *
+ * $Id: operators.hpp 71018 2011-04-05 21:27:52Z steven_watanabe $
+ */
+
+#ifndef NDNBOOST_RANDOM_DETAIL_OPERATORS_HPP
+#define NDNBOOST_RANDOM_DETAIL_OPERATORS_HPP
+
+#include <ndnboost/random/detail/config.hpp>
+#include <ndnboost/detail/workaround.hpp>
+
+#if NDNBOOST_WORKAROUND(NDNBOOST_MSVC, <= 1310)   \
+    || NDNBOOST_WORKAROUND(__SUNPRO_CC, NDNBOOST_TESTED_AT(0x5100))
+
+#define NDNBOOST_RANDOM_DETAIL_OSTREAM_OPERATOR(os, T, t)                  \
+    template<class CharT, class Traits>                                 \
+    friend std::basic_ostream<CharT,Traits>&                            \
+    operator<<(std::basic_ostream<CharT,Traits>& os, const T& t) {      \
+        t.print(os, t);                                                 \
+        return os;                                                      \
+    }                                                                   \
+    template<class CharT, class Traits>                                 \
+    static std::basic_ostream<CharT,Traits>&                            \
+    print(std::basic_ostream<CharT,Traits>& os, const T& t)
+
+#define NDNBOOST_RANDOM_DETAIL_ISTREAM_OPERATOR(is, T, t)                  \
+    template<class CharT, class Traits>                                 \
+    friend std::basic_istream<CharT,Traits>&                            \
+    operator>>(std::basic_istream<CharT,Traits>& is, T& t) {            \
+        t.read(is, t);                                                  \
+        return is;                                                      \
+    }                                                                   \
+    template<class CharT, class Traits>                                 \
+    static std::basic_istream<CharT,Traits>&                            \
+    read(std::basic_istream<CharT,Traits>& is, T& t)
+
+#endif
+
+#if defined(__BORLANDC__)
+
+#define NDNBOOST_RANDOM_DETAIL_EQUALITY_OPERATOR(T, lhs, rhs)              \
+    bool operator==(const T& rhs) const                                 \
+    { return T::is_equal(*this, rhs); }                                 \
+    static bool is_equal(const T& lhs, const T& rhs)
+
+#define NDNBOOST_RANDOM_DETAIL_INEQUALITY_OPERATOR(T)                      \
+    bool operator!=(const T& rhs) const                                 \
+    { return !T::is_equal(*this, rhs); }
+
+#endif
+
+#ifndef NDNBOOST_RANDOM_DETAIL_OSTREAM_OPERATOR
+#define NDNBOOST_RANDOM_DETAIL_OSTREAM_OPERATOR(os, T, t)                  \
+    template<class CharT, class Traits>                                 \
+    friend std::basic_ostream<CharT,Traits>&                            \
+    operator<<(std::basic_ostream<CharT,Traits>& os, const T& t)
+#endif
+
+#ifndef NDNBOOST_RANDOM_DETAIL_ISTREAM_OPERATOR
+#define NDNBOOST_RANDOM_DETAIL_ISTREAM_OPERATOR(is, T, t)                  \
+    template<class CharT, class Traits>                                 \
+    friend std::basic_istream<CharT,Traits>&                            \
+    operator>>(std::basic_istream<CharT,Traits>& is, T& t)
+#endif
+
+#ifndef NDNBOOST_RANDOM_DETAIL_EQUALITY_OPERATOR
+#define NDNBOOST_RANDOM_DETAIL_EQUALITY_OPERATOR(T, lhs, rhs)              \
+    friend bool operator==(const T& lhs, const T& rhs)
+#endif
+
+#ifndef NDNBOOST_RANDOM_DETAIL_INEQUALITY_OPERATOR
+#define NDNBOOST_RANDOM_DETAIL_INEQUALITY_OPERATOR(T)                      \
+    friend bool operator!=(const T& lhs, const T& rhs)                  \
+    { return !(lhs == rhs); }
+#endif
+
+#endif