mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
#ifndef SPROUT_ALGORITHM_ANY_OF_HPP
|
|
#define SPROUT_ALGORITHM_ANY_OF_HPP
|
|
|
|
#include <iterator>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/iterator/operation.hpp>
|
|
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT
|
|
|
|
namespace sprout {
|
|
namespace detail {
|
|
template<typename RandomAccessIterator, typename Predicate>
|
|
inline SPROUT_CONSTEXPR bool
|
|
any_of_impl_ra(
|
|
RandomAccessIterator first, RandomAccessIterator last, Predicate pred,
|
|
typename std::iterator_traits<RandomAccessIterator>::difference_type pivot
|
|
)
|
|
{
|
|
return pivot == 0 ? pred(*first)
|
|
: sprout::detail::any_of_impl_ra(
|
|
first, sprout::next(first, pivot), pred,
|
|
pivot / 2
|
|
)
|
|
|| sprout::detail::any_of_impl_ra(
|
|
sprout::next(first, pivot), last, pred,
|
|
(NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) - pivot) / 2
|
|
)
|
|
;
|
|
}
|
|
template<typename RandomAccessIterator, typename Predicate>
|
|
inline SPROUT_CONSTEXPR bool
|
|
any_of(
|
|
RandomAccessIterator first, RandomAccessIterator last, Predicate pred,
|
|
std::random_access_iterator_tag*
|
|
)
|
|
{
|
|
return first == last ? false
|
|
: sprout::detail::any_of_impl_ra(first, last, pred, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2)
|
|
;
|
|
}
|
|
|
|
// Copyright (C) 2011 RiSK (sscrisk)
|
|
template<typename InputIterator, typename Predicate>
|
|
inline SPROUT_CONSTEXPR bool
|
|
any_of_impl(InputIterator first, InputIterator last, Predicate pred) {
|
|
return first == last ? false
|
|
: pred(*first) || sprout::detail::any_of_impl(sprout::next(first), last, pred)
|
|
;
|
|
}
|
|
template<typename InputIterator, typename Predicate>
|
|
inline SPROUT_CONSTEXPR bool
|
|
any_of(
|
|
InputIterator first, InputIterator last, Predicate pred,
|
|
void*
|
|
)
|
|
{
|
|
return sprout::detail::any_of_impl(first, last, pred);
|
|
}
|
|
} //namespace detail
|
|
|
|
// 25.2.2 Any of
|
|
//
|
|
// recursion depth:
|
|
// [first, last) is RandomAccessIterator -> O(log N)
|
|
// otherwise -> O(N)
|
|
//
|
|
template<typename InputIterator, typename Predicate>
|
|
inline SPROUT_CONSTEXPR bool
|
|
any_of(InputIterator first, InputIterator last, Predicate pred) {
|
|
typedef typename std::iterator_traits<InputIterator>::iterator_category* category;
|
|
return sprout::detail::any_of(first, last, pred, category());
|
|
}
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_ALGORITHM_ANY_OF_HPP
|