mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
#ifndef SPROUT_ALGORITHM_FIT_NEXT_PERMUTATION_HPP
|
|
#define SPROUT_ALGORITHM_FIT_NEXT_PERMUTATION_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/container/traits.hpp>
|
|
#include <sprout/container/functions.hpp>
|
|
#include <sprout/algorithm/fixed/next_permutation.hpp>
|
|
#include <sprout/algorithm/fit/result_of.hpp>
|
|
#include <sprout/sub_array/sub_array.hpp>
|
|
#include <sprout/sub_array/sub.hpp>
|
|
#include <sprout/utility/pair/pair.hpp>
|
|
|
|
namespace sprout {
|
|
namespace fit {
|
|
namespace detail {
|
|
template<typename Container, typename Permutation>
|
|
inline SPROUT_CONSTEXPR sprout::pair<typename sprout::fit::result_of::algorithm<Container>::type, bool>
|
|
next_permutation_impl_1(
|
|
Container const& cont,
|
|
Permutation const& perm,
|
|
typename sprout::container_traits<Container>::difference_type offset
|
|
)
|
|
{
|
|
return sprout::pair<typename sprout::fit::result_of::algorithm<Container>::type, bool>(
|
|
sprout::sub_copy(
|
|
sprout::get_internal(perm.first),
|
|
offset,
|
|
offset + sprout::size(cont)
|
|
),
|
|
perm.second
|
|
);
|
|
}
|
|
|
|
template<typename Container, typename Compare>
|
|
inline SPROUT_CONSTEXPR sprout::pair<typename sprout::fit::result_of::algorithm<Container>::type, bool>
|
|
next_permutation_impl(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset
|
|
)
|
|
{
|
|
return next_permutation_impl_1(cont, sprout::fixed::next_permutation(cont, comp), offset);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// next_permutation
|
|
//
|
|
template<typename Container, typename Compare>
|
|
inline SPROUT_CONSTEXPR sprout::pair<typename sprout::fit::result_of::algorithm<Container>::type, bool>
|
|
next_permutation(Container const& cont, Compare comp) {
|
|
return sprout::fit::detail::next_permutation_impl(cont, comp, sprout::internal_begin_offset(cont));
|
|
}
|
|
|
|
namespace detail {
|
|
template<typename Container>
|
|
inline SPROUT_CONSTEXPR sprout::pair<typename sprout::fit::result_of::algorithm<Container>::type, bool>
|
|
next_permutation_impl(
|
|
Container const& cont,
|
|
typename sprout::container_traits<Container>::difference_type offset
|
|
)
|
|
{
|
|
return next_permutation_impl_1(cont, sprout::fixed::next_permutation(cont), offset);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// next_permutation
|
|
//
|
|
template<typename Container>
|
|
inline SPROUT_CONSTEXPR sprout::pair<typename sprout::fit::result_of::algorithm<Container>::type, bool>
|
|
next_permutation(Container const& cont) {
|
|
return sprout::fit::detail::next_permutation_impl(cont, sprout::internal_begin_offset(cont));
|
|
}
|
|
} // namespace fit
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_ALGORITHM_FIT_NEXT_PERMUTATION_HPP
|