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Diffstat (limited to '3rdParty/Boost/src/boost/random/detail/pass_through_engine.hpp')
-rw-r--r--3rdParty/Boost/src/boost/random/detail/pass_through_engine.hpp100
1 files changed, 100 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/random/detail/pass_through_engine.hpp b/3rdParty/Boost/src/boost/random/detail/pass_through_engine.hpp
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+++ b/3rdParty/Boost/src/boost/random/detail/pass_through_engine.hpp
@@ -0,0 +1,100 @@
+/* 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
+