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variate_generator.hpp - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\random\variate_generator.hpp
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/* boost random/variate_generator.hpp header file * * Copyright Jens Maurer 2002 * 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: variate_generator.hpp 27375 2005-02-14 11:53:50Z johnmaddock $ * */ #ifndef BOOST_RANDOM_RANDOM_GENERATOR_HPP #define BOOST_RANDOM_RANDOM_GENERATOR_HPP #include
// implementation details #include
#include
#include
#include
#include
// Borland C++ 5.6.0 has problems using its numeric_limits traits as // template parameters #if BOOST_WORKAROUND(__BORLANDC__, <= 0x564) #include
#endif namespace boost { namespace random { namespace detail { template
struct engine_helper; // for consistency, always have two levels of decorations template<> struct engine_helper
{ template
struct impl { typedef pass_through_engine
type; }; }; template<> struct engine_helper
{ template
struct impl { typedef uniform_01
type; }; }; template<> struct engine_helper
{ template
struct impl { typedef uniform_01
type; }; }; template<> struct engine_helper
{ template
struct impl { typedef uniform_int_float
type; }; }; } // namespace detail } // namespace random template
class variate_generator { private: typedef random::detail::pass_through_engine
decorated_engine; public: typedef typename decorated_engine::base_type engine_value_type; typedef Engine engine_type; typedef Distribution distribution_type; typedef typename Distribution::result_type result_type; variate_generator(Engine e, Distribution d) : _eng(decorated_engine(e)), _dist(d) { } result_type operator()() { return _dist(_eng); } template
result_type operator()(T value) { return _dist(_eng, value); } engine_value_type& engine() { return _eng.base().base(); } const engine_value_type& engine() const { return _eng.base().base(); } distribution_type& distribution() { return _dist; } const distribution_type& distribution() const { return _dist; } result_type min BOOST_PREVENT_MACRO_SUBSTITUTION () const { return (distribution().min)(); } result_type max BOOST_PREVENT_MACRO_SUBSTITUTION () const { return (distribution().max)(); } private: #if BOOST_WORKAROUND(__BORLANDC__, <= 0x564) typedef typename random::detail::engine_helper< boost::is_integral
::value, boost::is_integral
::value >::BOOST_NESTED_TEMPLATE impl
::type internal_engine_type; #else enum { have_int = std::numeric_limits
::is_integer, want_int = std::numeric_limits
::is_integer }; typedef typename random::detail::engine_helper
::BOOST_NESTED_TEMPLATE impl
::type internal_engine_type; #endif internal_engine_type _eng; distribution_type _dist; }; } // namespace boost #endif // BOOST_RANDOM_RANDOM_GENERATOR_HPP
variate_generator.hpp
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