0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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/* boost random/detail/seed.hpp header file
*
* Copyright Steven Watanabe 2009
* 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.
*
* $Id$
*/
#ifndef BOOST_RANDOM_DETAIL_SEED_HPP
#define BOOST_RANDOM_DETAIL_SEED_HPP
#include <boost/config.hpp>
// Sun seems to have trouble with the use of SFINAE for the
// templated constructor. So does Borland.
#if !defined(BOOST_NO_SFINAE) && !defined(__SUNPRO_CC) && !defined(BOOST_BORLANDC)
#include <boost/utility/enable_if.hpp>
#include <boost/type_traits/is_arithmetic.hpp>
namespace boost {
namespace random {
namespace detail {
template<class T>
struct disable_seed : boost::disable_if<boost::is_arithmetic<T> > {};
template<class Engine, class T>
struct disable_constructor : disable_seed<T> {};
template<class Engine>
struct disable_constructor<Engine, Engine> {};
#define BOOST_RANDOM_DETAIL_GENERATOR_CONSTRUCTOR(Self, Generator, gen) \
template<class Generator> \
explicit Self(Generator& gen, typename ::boost::random::detail::disable_constructor<Self, Generator>::type* = 0)
#define BOOST_RANDOM_DETAIL_GENERATOR_SEED(Self, Generator, gen) \
template<class Generator> \
void seed(Generator& gen, typename ::boost::random::detail::disable_seed<Generator>::type* = 0)
#define BOOST_RANDOM_DETAIL_SEED_SEQ_CONSTRUCTOR(Self, SeedSeq, seq) \
template<class SeedSeq> \
explicit Self(SeedSeq& seq, typename ::boost::random::detail::disable_constructor<Self, SeedSeq>::type* = 0)
#define BOOST_RANDOM_DETAIL_SEED_SEQ_SEED(Self, SeedSeq, seq) \
template<class SeedSeq> \
void seed(SeedSeq& seq, typename ::boost::random::detail::disable_seed<SeedSeq>::type* = 0)
#define BOOST_RANDOM_DETAIL_ARITHMETIC_CONSTRUCTOR(Self, T, x) \
explicit Self(const T& x)
#define BOOST_RANDOM_DETAIL_ARITHMETIC_SEED(Self, T, x) \
void seed(const T& x)
}
}
}
#else
#include <boost/type_traits/is_arithmetic.hpp>
#define BOOST_RANDOM_DETAIL_GENERATOR_CONSTRUCTOR(Self, Generator, gen) \
Self(Self& other) { *this = other; } \
Self(const Self& other) { *this = other; } \
template<class Generator> \
explicit Self(Generator& gen) { \
boost_random_constructor_impl(gen, ::boost::is_arithmetic<Generator>());\
} \
template<class Generator> \
void boost_random_constructor_impl(Generator& gen, ::boost::false_type)
#define BOOST_RANDOM_DETAIL_GENERATOR_SEED(Self, Generator, gen) \
template<class Generator> \
void seed(Generator& gen) { \
boost_random_seed_impl(gen, ::boost::is_arithmetic<Generator>());\
}\
template<class Generator>\
void boost_random_seed_impl(Generator& gen, ::boost::false_type)
#define BOOST_RANDOM_DETAIL_SEED_SEQ_CONSTRUCTOR(Self, SeedSeq, seq) \
Self(Self& other) { *this = other; } \
Self(const Self& other) { *this = other; } \
template<class SeedSeq> \
explicit Self(SeedSeq& seq) { \
boost_random_constructor_impl(seq, ::boost::is_arithmetic<SeedSeq>());\
} \
template<class SeedSeq> \
void boost_random_constructor_impl(SeedSeq& seq, ::boost::false_type)
#define BOOST_RANDOM_DETAIL_SEED_SEQ_SEED(Self, SeedSeq, seq) \
template<class SeedSeq> \
void seed(SeedSeq& seq) { \
boost_random_seed_impl(seq, ::boost::is_arithmetic<SeedSeq>()); \
} \
template<class SeedSeq> \
void boost_random_seed_impl(SeedSeq& seq, ::boost::false_type)
#define BOOST_RANDOM_DETAIL_ARITHMETIC_CONSTRUCTOR(Self, T, x) \
explicit Self(const T& x) { boost_random_constructor_impl(x, ::boost::true_type()); }\
void boost_random_constructor_impl(const T& x, ::boost::true_type)
#define BOOST_RANDOM_DETAIL_ARITHMETIC_SEED(Self, T, x) \
void seed(const T& x) { boost_random_seed_impl(x, ::boost::true_type()); }\
void boost_random_seed_impl(const T& x, ::boost::true_type)
#endif
#endif
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