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https://github.com/bolero-MURAKAMI/Sprout.git
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40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
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#ifndef SPROUT_ALGORITHM_MAX_ELEMENT_HPP
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#define SPROUT_ALGORITHM_MAX_ELEMENT_HPP
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#include <iterator>
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#include <sprout/config.hpp>
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#include <sprout/iterator/operation.hpp>
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#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
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namespace sprout {
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// Copyright (C) 2011 RiSK (sscrisk)
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namespace detail {
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template<typename ForwardIterator, typename Compare>
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SPROUT_CONSTEXPR ForwardIterator max_element_impl(
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ForwardIterator first,
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ForwardIterator last,
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Compare comp,
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ForwardIterator max
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)
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{
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return first == last ? max
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: sprout::detail::max_element_impl(sprout::next(first), last, comp, comp(*max, *first) ? first : max)
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;
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}
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} // namespace detail
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// 25.4.7 Minimum and maximum
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template<typename ForwardIterator, typename Compare>
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SPROUT_CONSTEXPR ForwardIterator max_element(ForwardIterator first, ForwardIterator last, Compare comp) {
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return sprout::detail::max_element_impl(first, last, comp, first);
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}
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template<typename ForwardIterator>
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SPROUT_CONSTEXPR ForwardIterator max_element(ForwardIterator first, ForwardIterator last) {
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return sprout::max_element(first, last, NS_SSCRISK_CEL_OR_SPROUT::less<typename std::iterator_traits<ForwardIterator>::value_type>());
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_MAX_ELEMENT_HPP
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