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Diffstat (limited to '3rdParty/Boost/src/boost/random/detail/uniform_int_float.hpp')
-rw-r--r--3rdParty/Boost/src/boost/random/detail/uniform_int_float.hpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/random/detail/uniform_int_float.hpp b/3rdParty/Boost/src/boost/random/detail/uniform_int_float.hpp
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+++ b/3rdParty/Boost/src/boost/random/detail/uniform_int_float.hpp
@@ -0,0 +1,85 @@
+/* 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: uniform_int_float.hpp 52492 2009-04-19 14:55:57Z steven_watanabe $
+ *
+ */
+
+#ifndef BOOST_RANDOM_DETAIL_UNIFORM_INT_FLOAT_HPP
+#define BOOST_RANDOM_DETAIL_UNIFORM_INT_FLOAT_HPP
+
+#include <boost/config.hpp>
+#include <boost/random/detail/config.hpp>
+#include <boost/random/uniform_01.hpp>
+
+
+namespace boost {
+namespace random {
+namespace detail {
+
+template<class UniformRandomNumberGenerator, class IntType = unsigned long>
+class uniform_int_float
+{
+public:
+ typedef UniformRandomNumberGenerator base_type;
+ typedef IntType result_type;
+
+ uniform_int_float(base_type rng, IntType min_arg = 0, IntType max_arg = 0xffffffff)
+ : _rng(rng), _min(min_arg), _max(max_arg)
+ {
+ init();
+ }
+
+ result_type min BOOST_PREVENT_MACRO_SUBSTITUTION () const { return _min; }
+ result_type max BOOST_PREVENT_MACRO_SUBSTITUTION () const { return _max; }
+ base_type& base() { return _rng.base(); }
+ const base_type& base() const { return _rng.base(); }
+
+ result_type operator()()
+ {
+ return static_cast<IntType>(_rng() * _range) + _min;
+ }
+
+#ifndef BOOST_RANDOM_NO_STREAM_OPERATORS
+ template<class CharT, class Traits>
+ friend std::basic_ostream<CharT,Traits>&
+ operator<<(std::basic_ostream<CharT,Traits>& os, const uniform_int_float& ud)
+ {
+ os << ud._min << " " << ud._max;
+ return os;
+ }
+
+ template<class CharT, class Traits>
+ friend std::basic_istream<CharT,Traits>&
+ operator>>(std::basic_istream<CharT,Traits>& is, uniform_int_float& ud)
+ {
+ is >> std::ws >> ud._min >> std::ws >> ud._max;
+ ud.init();
+ return is;
+ }
+#endif
+
+private:
+ void init()
+ {
+ _range = static_cast<base_result>(_max-_min)+1;
+ }
+
+ typedef typename base_type::result_type base_result;
+ uniform_01<base_type> _rng;
+ result_type _min, _max;
+ base_result _range;
+};
+
+
+} // namespace detail
+} // namespace random
+} // namespace boost
+
+#endif // BOOST_RANDOM_DETAIL_UNIFORM_INT_FLOAT_HPP