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variate_generator 追加

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bolero-MURAKAMI 2011-09-30 00:06:24 +09:00
parent 4a345e8259
commit 8b357a75da
3 changed files with 158 additions and 0 deletions
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73
sprout/random/detail/ptr_helper.hpp Normal file
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#ifndef SPROUT_RANDOM_DETAIL_PTR_HELPER_HPP
#define SPROUT_RANDOM_DETAIL_PTR_HELPER_HPP
#include <sprout/config.hpp>
namespace sprout {
namespace random {
namespace detail {
template<typename T>
struct ptr_helper {
typedef T value_type;
typedef T& reference_type;
typedef T const& const_reference_type;
typedef T const& rvalue_type;
static reference_type ref(T& r) {
return r;
}
static SPROUT_CONSTEXPR const_reference_type ref(T const& r) {
return r;
}
};
template<typename T>
struct ptr_helper<T&> {
typedef T value_type;
typedef T& reference_type;
typedef T const& const_reference_type;
typedef T& rvalue_type;
static reference_type ref(T& r) {
return r;
}
static SPROUT_CONSTEXPR const_reference_type ref(T const& r) {
return r;
}
};
template<typename T>
struct ptr_helper<T const&> {
typedef T value_type;
typedef T const& reference_type;
typedef T const& const_reference_type;
typedef T const& rvalue_type;
static SPROUT_CONSTEXPR const_reference_type ref(T const& r) {
return r;
}
};
template<typename T>
struct ptr_helper<T*> {
typedef T value_type;
typedef T& reference_type;
typedef T const& const_reference_type;
typedef T* rvalue_type;
static reference_type ref(T* p) {
return *p;
}
static SPROUT_CONSTEXPR const_reference_type ref(T const* p) {
return *p;
}
};
template<typename T>
struct ptr_helper<T const*> {
typedef T value_type;
typedef T const& reference_type;
typedef T const& const_reference_type;
typedef T const* rvalue_type;
static SPROUT_CONSTEXPR const_reference_type ref(T const* p) {
return *p;
}
};
} // namespace detail
} // namespace random
} // namespace sprout
#endif // #ifndef SPROUT_RANDOM_DETAIL_PTR_HELPER_HPP