x
Yes
No
Do you want to visit DriveHQ English website?
首页
产品服务
价格
免费试用
下载客户端
关于我们
云文件服务
|
云备份服务
|
FTP服务
|
企业邮箱服务
|
网站托管
|
客户端软件
云文件服务
云备份服务
FTP服务
企业级邮箱服务
网站托管
客户端软件
xor_combine.hpp - Hosted on DriveHQ Cloud IT Platform
返回上层目录
上传
下载
共享
发布
新建文件夹
新建文件
复制
剪切
删除
粘贴
评论
升级服务
路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\random\xor_combine.hpp
旋转
特效
属性
历史版本
/* boost random/xor_combine.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: xor_combine.hpp 29116 2005-05-21 15:57:01Z dgregor $ * */ #ifndef BOOST_RANDOM_XOR_COMBINE_HPP #define BOOST_RANDOM_XOR_COMBINE_HPP #include
#include
#include
// for std::min and std::max #include
#include
#include
#include
// uint32_t namespace boost { namespace random { template
class xor_combine { public: typedef URNG1 base1_type; typedef URNG2 base2_type; typedef typename base1_type::result_type result_type; BOOST_STATIC_CONSTANT(bool, has_fixed_range = false); BOOST_STATIC_CONSTANT(int, shift1 = s1); BOOST_STATIC_CONSTANT(int, shfit2 = s2); xor_combine() : _rng1(), _rng2() { } xor_combine(const base1_type & rng1, const base2_type & rng2) : _rng1(rng1), _rng2(rng2) { } template
xor_combine(It& first, It last) : _rng1(first, last), _rng2( /* advanced by other call */ first, last) { } void seed() { _rng1.seed(); _rng2.seed(); } template
void seed(It& first, It last) { _rng1.seed(first, last); _rng2.seed(first, last); } const base1_type& base1() { return _rng1; } const base2_type& base2() { return _rng2; } result_type operator()() { // MSVC fails BOOST_STATIC_ASSERT with std::numeric_limits at class scope #if !defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS) && !(defined(BOOST_MSVC) && BOOST_MSVC <= 1300) BOOST_STATIC_ASSERT(std::numeric_limits
::is_integer); BOOST_STATIC_ASSERT(std::numeric_limits
::is_integer); BOOST_STATIC_ASSERT(std::numeric_limits
::digits >= std::numeric_limits
::digits); #endif return (_rng1() << s1) ^ (_rng2() << s2); } result_type min BOOST_PREVENT_MACRO_SUBSTITUTION () const { return std::min BOOST_PREVENT_MACRO_SUBSTITUTION((_rng1.min)(), (_rng2.min)()); } result_type max BOOST_PREVENT_MACRO_SUBSTITUTION () const { return std::max BOOST_PREVENT_MACRO_SUBSTITUTION((_rng1.min)(), (_rng2.max)()); } static bool validation(result_type x) { return val == x; } #ifndef BOOST_NO_OPERATORS_IN_NAMESPACE #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS template
friend std::basic_ostream
& operator<<(std::basic_ostream
& os, const xor_combine& s) { os << s._rng1 << " " << s._rng2 << " "; return os; } template
friend std::basic_istream
& operator>>(std::basic_istream
& is, xor_combine& s) { is >> s._rng1 >> std::ws >> s._rng2 >> std::ws; return is; } #endif friend bool operator==(const xor_combine& x, const xor_combine& y) { return x._rng1 == y._rng1 && x._rng2 == y._rng2; } friend bool operator!=(const xor_combine& x, const xor_combine& y) { return !(x == y); } #else // Use a member function; Streamable concept not supported. bool operator==(const xor_combine& rhs) const { return _rng1 == rhs._rng1 && _rng2 == rhs._rng2; } bool operator!=(const xor_combine& rhs) const { return !(*this == rhs); } #endif private: base1_type _rng1; base2_type _rng2; }; #ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION // A definition is required even for integral static constants template
const bool xor_combine
::has_fixed_range; #endif } // namespace random } // namespace boost #endif // BOOST_RANDOM_XOR_COMBINE_HPP
xor_combine.hpp
网页地址
文件地址
上一页
28/28 下一页
下载
( 4 KB )
Comments
Total ratings:
0
Average rating:
无评论
of 10
Would you like to comment?
Join now
, or
Logon
if you are already a member.