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Sprout/sprout/algorithm/fixed/set_union.hpp

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/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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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)
=============================================================================*/
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#ifndef SPROUT_ALGORITHM_FIXED_SET_UNION_HPP
#define SPROUT_ALGORITHM_FIXED_SET_UNION_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/iterator/set_union_iterator.hpp>
#include <sprout/functional/less.hpp>
#include <sprout/algorithm/fixed/results.hpp>
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#include <sprout/pit/pit.hpp>
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#include <sprout/detail/container_complate.hpp>
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namespace sprout {
namespace fixed {
namespace detail {
template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size == sizeof...(Args),
typename sprout::fixed::results::algorithm<Result>::type
>::type
set_union_impl(
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InputIterator1, InputIterator1,
InputIterator2, InputIterator2,
Result const& result, Compare,
typename sprout::container_traits<Result>::size_type,
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Args const&... args
)
{
return sprout::remake<Result>(result, sprout::size(result), args...);
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}
template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size != sizeof...(Args),
typename sprout::fixed::results::algorithm<Result>::type
>::type
set_union_impl(
InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2,
Result const& result, Compare comp,
typename sprout::container_traits<Result>::size_type size,
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Args const&... args
)
{
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return sizeof...(Args) < size
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? first1 != last1
? first2 != last2
? comp(*first1, *first2)
? sprout::fixed::detail::set_union_impl(
sprout::next(first1), last1, first2, last2, result, comp,
size, args..., *first1
)
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: comp(*first2, *first1)
? sprout::fixed::detail::set_union_impl(
first1, last1, sprout::next(first2), last2, result, comp,
size, args..., *first2
)
: sprout::fixed::detail::set_union_impl(
sprout::next(first1), last1, sprout::next(first2), last2, result, comp,
size, args..., *first1
)
: sprout::fixed::detail::set_union_impl(
sprout::next(first1), last1, first2, last2, result, comp,
size, args..., *first1
)
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: first2 != last2
? sprout::fixed::detail::set_union_impl(
first1, last1, sprout::next(first2), last2, result, comp,
size, args..., *first2
)
: sprout::detail::container_complate(result, args...)
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: sprout::detail::container_complate(result, args...)
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;
}
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template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_fixed_container<Result>::value,
typename sprout::fixed::results::algorithm<Result>::type
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>::type
set_union(
InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2,
Result const& result, Compare comp
)
{
return sprout::fixed::detail::set_union_impl(
first1, last1,
first2, last2,
result, comp,
sprout::size(result)
);
}
template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare>
inline SPROUT_CONSTEXPR typename std::enable_if<
!sprout::is_fixed_container<Result>::value,
typename sprout::fixed::results::algorithm<Result>::type
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>::type
set_union(
InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2,
Result const& result, Compare comp
)
{
return sprout::remake<Result>(
result, sprout::size(result),
sprout::make_set_union_iterator(first1, last1, first2, last2, comp),
sprout::make_set_union_iterator(last1, last1, last2, last2, comp)
);
}
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} // namespace detail
//
// set_union
//
template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
set_union(
InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2,
Result const& result, Compare comp
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)
{
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return sprout::fixed::detail::set_union(first1, last1, first2, last2, result, comp);
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}
template<typename InputIterator1, typename InputIterator2, typename Result>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
set_union(
InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2,
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Result const& result
)
{
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return sprout::fixed::set_union(first1, last1, first2, last2, result, sprout::less<>());
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}
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template<typename Result, typename InputIterator1, typename InputIterator2, typename Compare>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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set_union(
InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2,
Compare comp
)
{
return sprout::fixed::set_union(first1, last1, first2, last2, sprout::pit<Result>(), comp);
}
template<typename Result, typename InputIterator1, typename InputIterator2>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
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set_union(
InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2
)
{
return sprout::fixed::set_union(first1, last1, first2, last2, sprout::pit<Result>());
}
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} // namespace fixed
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using sprout::fixed::set_union;
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} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_SET_UNION_HPP