mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
|
#ifndef SPROUT_ALGORITHM_FIT_UNFOLD_N_HPP
|
||
|
|
#define SPROUT_ALGORITHM_FIT_UNFOLD_N_HPP
|
||
|
|
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
#include <sprout/container/traits.hpp>
|
||
|
|
#include <sprout/container/functions.hpp>
|
||
|
|
#include <sprout/algorithm/fixed/unfold_n.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 Container, typename Size, typename Generator, typename... Inits>
|
||
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Container>::type unfold_n_impl(
|
||
|
|
Container const& cont,
|
||
|
|
Size n,
|
||
|
|
Generator gen,
|
||
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
||
|
|
Inits const&... inits
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return sprout::sub_copy(
|
||
|
|
sprout::get_internal(sprout::fixed::unfold_n(cont, n, gen, inits...)),
|
||
|
|
offset,
|
||
|
|
offset + NS_SSCRISK_CEL_OR_SPROUT::min(n, sprout::size(cont))
|
||
|
|
);
|
||
|
|
}
|
||
|
|
} // namespace detail
|
||
|
|
//
|
||
|
|
// unfold_n
|
||
|
|
//
|
||
|
|
template<typename Container, typename Size, typename Generator, typename... Inits>
|
||
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Container>::type unfold_n(
|
||
|
|
Container const& cont,
|
||
|
|
Size n,
|
||
|
|
Generator gen,
|
||
|
|
Inits const&... inits
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return sprout::fit::detail::unfold_n_impl(cont, n, gen, sprout::internal_begin_offset(cont), inits...);
|
||
|
|
}
|
||
|
|
} // namespace fit
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_ALGORITHM_FIT_UNFOLD_N_HPP
|