williamr@2: /* boost random/random_number_generator.hpp header file williamr@2: * williamr@2: * Copyright Jens Maurer 2000-2001 williamr@2: * Distributed under the Boost Software License, Version 1.0. (See williamr@2: * accompanying file LICENSE_1_0.txt or copy at williamr@2: * http://www.boost.org/LICENSE_1_0.txt) williamr@2: * williamr@2: * See http://www.boost.org for most recent version including documentation. williamr@2: * williamr@2: * $Id: random_number_generator.hpp,v 1.5 2004/11/09 21:22:00 jmaurer Exp $ williamr@2: * williamr@2: * Revision history williamr@2: * 2001-02-18 moved to individual header files williamr@2: */ williamr@2: williamr@2: #ifndef BOOST_RANDOM_RANDOM_NUMBER_GENERATOR_HPP williamr@2: #define BOOST_RANDOM_RANDOM_NUMBER_GENERATOR_HPP williamr@2: williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: williamr@2: namespace boost { williamr@2: williamr@2: // a model for RandomNumberGenerator std:25.2.11 [lib.alg.random.shuffle] williamr@2: template williamr@2: class random_number_generator williamr@2: { williamr@2: public: williamr@2: typedef UniformRandomNumberGenerator base_type; williamr@2: typedef IntType argument_type; williamr@2: typedef IntType result_type; williamr@2: random_number_generator(base_type& rng) : _rng(rng) williamr@2: { williamr@2: #ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS williamr@2: BOOST_STATIC_ASSERT(std::numeric_limits::is_integer); williamr@2: #endif williamr@2: } williamr@2: // compiler-generated copy ctor is fine williamr@2: // assignment is disallowed because there is a reference member williamr@2: williamr@2: result_type operator()(argument_type n) williamr@2: { williamr@2: typedef uniform_int dist_type; williamr@2: return variate_generator(_rng, dist_type(0, n-1))(); williamr@2: } williamr@2: williamr@2: private: williamr@2: base_type& _rng; williamr@2: }; williamr@2: williamr@2: } // namespace boost williamr@2: williamr@2: #endif // BOOST_RANDOM_RANDOM_NUMBER_GENERATOR_HPP