Sprout/sprout/algorithm/is_strictly_increasing.hpp
2012-12-17 00:51:10 +09:00

27 lines
804 B
C++

#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:
// [first, last) is RandomAccessIterator -> O(log N)
// otherwise -> O(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