Sprout/sprout/algorithm/fit/rotate_copy.hpp

41 lines
1.6 KiB
C++

#ifndef SPROUT_ALGORITHM_FIT_ROTATE_COPY_HPP
#define SPROUT_ALGORITHM_FIT_ROTATE_COPY_HPP
#include <sprout/config.hpp>
#include <sprout/iterator/distance.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/algorithm/fixed/rotate_copy.hpp>
#include <sprout/algorithm/fit/result_of.hpp>
#include <sprout/sub_array.hpp>
#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
namespace sprout {
namespace fit {
namespace detail {
template<typename ForwardIterator, typename Result>
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
rotate_copy_impl(
ForwardIterator first, ForwardIterator middle, ForwardIterator last, Result const& result,
typename sprout::container_traits<Result>::difference_type offset
)
{
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::rotate_copy(first, middle, last, result)),
offset,
offset + NS_SSCRISK_CEL_OR_SPROUT::min(sprout::distance(first, last), sprout::size(result))
);
}
} // namespace detail
//
// rotate_copy
//
template<typename ForwardIterator, typename Result>
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, Result const& result) {
return sprout::fit::detail::rotate_copy_impl(first, middle, last, result, sprout::internal_begin_offset(result));
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIT_ROTATE_COPY_HPP