Started to merge @ZobyTwo cmake branch

thirdparty/Boost/boost/random/detail/pass_through_engine.hpp

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+/* boost random/detail/uniform_int_float.hpp header file
+ *
+ * Copyright Jens Maurer 2000-2001
+ * 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: pass_through_engine.hpp 58649 2010-01-02 21:23:17Z steven_watanabe $
+ *
+ */
+
+#ifndef BOOST_RANDOM_DETAIL_PASS_THROUGH_ENGINE_HPP
+#define BOOST_RANDOM_DETAIL_PASS_THROUGH_ENGINE_HPP
+
+#include <boost/config.hpp>
+#include <boost/random/detail/ptr_helper.hpp>
+#include <boost/random/detail/disable_warnings.hpp>
+
+namespace boost {
+namespace random {
+namespace detail {
+
+template<class UniformRandomNumberGenerator>
+class pass_through_engine
+{
+private:
+  typedef ptr_helper<UniformRandomNumberGenerator> helper_type;
+
+public:
+  typedef typename helper_type::value_type base_type;
+  typedef typename base_type::result_type result_type;
+
+  explicit pass_through_engine(UniformRandomNumberGenerator rng)
+    // make argument an rvalue to avoid matching Generator& constructor
+    : _rng(static_cast<typename helper_type::rvalue_type>(rng))
+  { }
+
+  result_type min BOOST_PREVENT_MACRO_SUBSTITUTION () const { return (base().min)(); }
+  result_type max BOOST_PREVENT_MACRO_SUBSTITUTION () const { return (base().max)(); }
+  base_type& base() { return helper_type::ref(_rng); }
+  const base_type& base() const { return helper_type::ref(_rng); }
+
+  result_type operator()() { return base()(); }
+
+private:
+  UniformRandomNumberGenerator _rng;
+};
+
+#ifndef BOOST_NO_STD_LOCALE
+
+template<class UniformRandomNumberGenerator, class CharT, class Traits>
+std::basic_ostream<CharT,Traits>&
+operator<<(
+    std::basic_ostream<CharT,Traits>& os
+    , const pass_through_engine<UniformRandomNumberGenerator>& ud
+    )
+{
+    return os << ud.base();
+}
+
+template<class UniformRandomNumberGenerator, class CharT, class Traits>
+std::basic_istream<CharT,Traits>&
+operator>>(
+    std::basic_istream<CharT,Traits>& is
+    , const pass_through_engine<UniformRandomNumberGenerator>& ud
+    )
+{
+    return is >> ud.base();
+}
+
+#else // no new streams
+
+template<class UniformRandomNumberGenerator>
+inline std::ostream&
+operator<<(std::ostream& os, 
+           const pass_through_engine<UniformRandomNumberGenerator>& ud)
+{
+    return os << ud.base();
+}
+
+template<class UniformRandomNumberGenerator>
+inline std::istream&
+operator>>(std::istream& is, 
+           const pass_through_engine<UniformRandomNumberGenerator>& ud)
+{
+    return is >> ud.base();
+}
+
+#endif
+
+} // namespace detail
+} // namespace random
+} // namespace boost
+
+#include <boost/random/detail/enable_warnings.hpp>
+
+#endif // BOOST_RANDOM_DETAIL_PASS_THROUGH_ENGINE_HPP
+