--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ossrv_pub/boost_apis/boost/random/uniform_real.hpp Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,83 @@
+/* boost random/uniform_real.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_real.hpp,v 1.17 2005/01/28 15:04:17 dgregor Exp $
+ *
+ * Revision history
+ * 2001-04-08 added min<max assertion (N. Becker)
+ * 2001-02-18 moved to individual header files
+ */
+
+#ifndef BOOST_RANDOM_UNIFORM_REAL_HPP
+#define BOOST_RANDOM_UNIFORM_REAL_HPP
+
+#include <cassert>
+#include <iostream>
+#include <boost/config.hpp>
+#include <boost/limits.hpp>
+#include <boost/static_assert.hpp>
+
+namespace boost {
+
+// uniform distribution on a real range
+template<class RealType = double>
+class uniform_real
+{
+public:
+ typedef RealType input_type;
+ typedef RealType result_type;
+
+ explicit uniform_real(RealType min = RealType(0),
+ RealType max = RealType(1))
+ : _min(min), _max(max)
+ {
+#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
+ BOOST_STATIC_ASSERT(!std::numeric_limits<RealType>::is_integer);
+#endif
+ assert(min < max);
+ }
+
+ // compiler-generated copy ctor and assignment operator are fine
+
+ result_type min BOOST_PREVENT_MACRO_SUBSTITUTION () const { return _min; }
+ result_type max BOOST_PREVENT_MACRO_SUBSTITUTION () const { return _max; }
+ void reset() { }
+
+ template<class Engine>
+ result_type operator()(Engine& eng) {
+ return static_cast<result_type>(eng() - eng.min BOOST_PREVENT_MACRO_SUBSTITUTION())
+ / static_cast<result_type>(eng.max BOOST_PREVENT_MACRO_SUBSTITUTION() - eng.min BOOST_PREVENT_MACRO_SUBSTITUTION())
+ * (_max - _min) + _min;
+ }
+
+#if !defined(BOOST_NO_OPERATORS_IN_NAMESPACE) && !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
+ template<class CharT, class Traits>
+ friend std::basic_ostream<CharT,Traits>&
+ operator<<(std::basic_ostream<CharT,Traits>& os, const uniform_real& 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_real& ud)
+ {
+ is >> std::ws >> ud._min >> std::ws >> ud._max;
+ return is;
+ }
+#endif
+
+private:
+ RealType _min, _max;
+};
+
+} // namespace boost
+
+#endif // BOOST_RANDOM_UNIFORM_REAL_HPP