Sprout/sprout/algorithm/is_strictly_increasing.hpp
2018-12-30 17:25:21 +09:00

33 lines
1.1 KiB
C++

/*=============================================================================
Copyright (c) 2011-2018 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_ALGORITHM_IS_STRICTLY_INCREASING_HPP
#define SPROUT_ALGORITHM_IS_STRICTLY_INCREASING_HPP
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/algorithm/is_sorted.hpp>
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
namespace sprout {
//
// is_strictly_increasing
//
// recursion depth:
// O(log N)
//
template<typename ForwardIterator>
inline SPROUT_CONSTEXPR bool
is_strictly_increasing(ForwardIterator first, ForwardIterator last) {
return sprout::is_sorted(
first, last,
NS_SSCRISK_CEL_OR_SPROUT::less_equal<typename std::iterator_traits<ForwardIterator>::value_type>()
);
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_IS_STRICTLY_INCREASING_HPP