Sprout/sprout/algorithm/cxx14/clamp_range.hpp
2014-10-27 10:16:49 +09:00

55 lines
1.9 KiB
C++

/*=============================================================================
Copyright (c) 2011-2014 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_CXX14_CLAMP_RANGE_HPP
#define SPROUT_ALGORITHM_CXX14_CLAMP_RANGE_HPP
#include <sprout/config.hpp>
#include <sprout/iterator/type_traits/is_iterator_of.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/algorithm/clamp.hpp>
namespace sprout {
//
// clamp_range
//
template<
typename InputIterator, typename OutputIterator, typename Compare,
typename sprout::enabler_if<sprout::is_iterator_outputable<OutputIterator>::value>::type = sprout::enabler
>
inline SPROUT_CXX14_CONSTEXPR OutputIterator
clamp_range(
InputIterator first, InputIterator last, OutputIterator result,
typename std::iterator_traits<InputIterator>::value_type const& low,
typename std::iterator_traits<InputIterator>::value_type const& high,
Compare comp
)
{
while (first != last) {
*result++ = sprout::clamp(*first++, low, high, comp);
}
return result;
}
template<
typename InputIterator, typename OutputIterator,
typename sprout::enabler_if<sprout::is_iterator_outputable<OutputIterator>::value>::type = sprout::enabler
>
inline SPROUT_CXX14_CONSTEXPR OutputIterator
clamp_range(
InputIterator first, InputIterator last, OutputIterator result,
typename std::iterator_traits<InputIterator>::value_type const& low,
typename std::iterator_traits<InputIterator>::value_type const& high
)
{
while (first != last) {
*result++ = sprout::clamp(*first++, low, high);
}
return result;
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_CXX14_CLAMP_RANGE_HPP