Sprout/sprout/algorithm/fit/random_swap.hpp

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2012-07-25 14:10:01 +00:00
#ifndef SPROUT_ALGORITHM_FIT_RANDOM_SWAP_HPP
#define SPROUT_ALGORITHM_FIT_RANDOM_SWAP_HPP
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/algorithm/fixed/random_swap.hpp>
#include <sprout/algorithm/fit/result_of.hpp>
#include <sprout/sub_array.hpp>
namespace sprout {
namespace fit {
namespace detail {
template<typename Container, typename UniformRandomNumberGenerator>
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Container>::type random_swap_impl(
Container const& cont,
UniformRandomNumberGenerator&& g,
typename sprout::container_traits<Container>::difference_type offset
)
{
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::random_swap(cont, sprout::forward<UniformRandomNumberGenerator>(g))),
offset,
offset + sprout::size(cont)
);
}
} // namespace detail
//
// random_swap
//
template<typename Container, typename UniformRandomNumberGenerator>
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Container>::type random_swap(
Container const& cont,
UniformRandomNumberGenerator&& g
)
{
return sprout::fit::detail::random_swap_impl(
cont,
sprout::forward<UniformRandomNumberGenerator>(g),
sprout::internal_begin_offset(cont)
);
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIT_RANDOM_SWAP_HPP