mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-16 10:49:05 +00:00
249 lines
11 KiB
C++
249 lines
11 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_FIXED_MAKE_HEAP_HPP
|
|
#define SPROUT_ALGORITHM_FIXED_MAKE_HEAP_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/container/traits.hpp>
|
|
#include <sprout/container/functions.hpp>
|
|
#include <sprout/algorithm/fixed/swap_element.hpp>
|
|
#include <sprout/iterator/operation.hpp>
|
|
#include <sprout/algorithm/fixed/results.hpp>
|
|
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
|
|
#ifdef SPROUT_WORKAROUND_NOT_TERMINATE_RECURSIVE_CONSTEXPR_FUNCTION_TEMPLATE
|
|
# include <sprout/workaround/recursive_function_template.hpp>
|
|
#endif
|
|
|
|
namespace sprout {
|
|
namespace fixed {
|
|
namespace detail {
|
|
#ifdef SPROUT_WORKAROUND_NOT_TERMINATE_RECURSIVE_CONSTEXPR_FUNCTION_TEMPLATE
|
|
template<int D = 16, typename Container, typename Compare, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
|
typename sprout::container_traits<Container>::difference_type size,
|
|
typename sprout::container_traits<Container>::difference_type n = 0,
|
|
typename sprout::container_traits<Container>::difference_type l = 1,
|
|
typename sprout::container_traits<Container>::difference_type r = 2
|
|
);
|
|
template<int D = 16, typename Container, typename Compare, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
|
typename sprout::container_traits<Container>::difference_type size,
|
|
typename sprout::container_traits<Container>::difference_type n = 0,
|
|
typename sprout::container_traits<Container>::difference_type l = 1,
|
|
typename sprout::container_traits<Container>::difference_type r = 2
|
|
);
|
|
template<int D, typename Container, typename Compare, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl_1(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
|
typename sprout::container_traits<Container>::difference_type size,
|
|
typename sprout::container_traits<Container>::difference_type n,
|
|
typename sprout::container_traits<Container>::difference_type l,
|
|
typename sprout::container_traits<Container>::difference_type r
|
|
)
|
|
{
|
|
return comp(*sprout::next(sprout::internal_begin(cont), offset + l), *sprout::next(sprout::internal_begin(cont), offset + r))
|
|
? comp(*sprout::next(sprout::internal_begin(cont), offset + n), *sprout::next(sprout::internal_begin(cont), offset + r))
|
|
? sprout::fixed::detail::make_heap_impl<D + 1>(
|
|
sprout::fixed::swap_element(
|
|
cont,
|
|
sprout::next(sprout::internal_begin(cont), offset + n),
|
|
sprout::next(sprout::internal_begin(cont), offset + r)
|
|
),
|
|
comp,
|
|
offset, size, r, r * 2 + 1, r * 2 + 2
|
|
)
|
|
: sprout::deep_copy(cont)
|
|
: comp(*sprout::next(sprout::internal_begin(cont), offset + n), *sprout::next(sprout::internal_begin(cont), offset + l))
|
|
? sprout::fixed::detail::make_heap_impl<D + 1>(
|
|
sprout::fixed::swap_element(
|
|
cont,
|
|
sprout::next(sprout::internal_begin(cont), offset + n),
|
|
sprout::next(sprout::internal_begin(cont), offset + l)
|
|
),
|
|
comp,
|
|
offset, size, l, l * 2 + 1, l * 2 + 2
|
|
)
|
|
: sprout::deep_copy(cont)
|
|
;
|
|
}
|
|
template<int D, typename Container, typename Compare, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl_1(
|
|
Container const&, Compare,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type
|
|
)
|
|
{
|
|
return sprout::throw_recursive_function_template_instantiation_exeeded();
|
|
}
|
|
template<int D, typename Container, typename Compare, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE_DECL(D)>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
|
typename sprout::container_traits<Container>::difference_type size,
|
|
typename sprout::container_traits<Container>::difference_type n,
|
|
typename sprout::container_traits<Container>::difference_type l,
|
|
typename sprout::container_traits<Container>::difference_type r
|
|
)
|
|
{
|
|
return r > size
|
|
? sprout::deep_copy(cont)
|
|
: r == size
|
|
? comp(*sprout::next(sprout::internal_begin(cont), offset + n), *sprout::next(sprout::internal_begin(cont), offset + l))
|
|
? sprout::fixed::swap_element(
|
|
cont,
|
|
sprout::next(sprout::internal_begin(cont), offset + n),
|
|
sprout::next(sprout::internal_begin(cont), offset + l)
|
|
)
|
|
: sprout::deep_copy(cont)
|
|
: sprout::fixed::detail::make_heap_impl_1<D + 1>(
|
|
sprout::fixed::detail::make_heap_impl<D + 1>(
|
|
sprout::fixed::detail::make_heap_impl<D + 1>(cont, comp, offset, size, l, l * 2 + 1, l * 2 + 2),
|
|
comp,
|
|
offset, size,
|
|
r, r * 2 + 1, r * 2 + 2
|
|
),
|
|
comp,
|
|
offset, size, n, l, r
|
|
)
|
|
;
|
|
}
|
|
template<int D, typename Container, typename Compare, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK_DECL(D)>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl(
|
|
Container const&, Compare,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type,
|
|
typename sprout::container_traits<Container>::difference_type
|
|
)
|
|
{
|
|
return sprout::throw_recursive_function_template_instantiation_exeeded();
|
|
}
|
|
#else
|
|
template<typename Container, typename Compare>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
|
typename sprout::container_traits<Container>::difference_type size,
|
|
typename sprout::container_traits<Container>::difference_type n = 0,
|
|
typename sprout::container_traits<Container>::difference_type l = 1,
|
|
typename sprout::container_traits<Container>::difference_type r = 2
|
|
);
|
|
template<typename Container, typename Compare>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl_1(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
|
typename sprout::container_traits<Container>::difference_type size,
|
|
typename sprout::container_traits<Container>::difference_type n,
|
|
typename sprout::container_traits<Container>::difference_type l,
|
|
typename sprout::container_traits<Container>::difference_type r
|
|
)
|
|
{
|
|
return comp(*sprout::next(sprout::internal_begin(cont), offset + l), *sprout::next(sprout::internal_begin(cont), offset + r))
|
|
? comp(*sprout::next(sprout::internal_begin(cont), offset + n), *sprout::next(sprout::internal_begin(cont), offset + r))
|
|
? sprout::fixed::detail::make_heap_impl(
|
|
sprout::fixed::swap_element(
|
|
cont,
|
|
sprout::next(sprout::internal_begin(cont), offset + n),
|
|
sprout::next(sprout::internal_begin(cont), offset + r)
|
|
),
|
|
comp,
|
|
offset, size, r, r * 2 + 1, r * 2 + 2
|
|
)
|
|
: sprout::deep_copy(cont)
|
|
: comp(*sprout::next(sprout::internal_begin(cont), offset + n), *sprout::next(sprout::internal_begin(cont), offset + l))
|
|
? sprout::fixed::detail::make_heap_impl(
|
|
sprout::fixed::swap_element(
|
|
cont,
|
|
sprout::next(sprout::internal_begin(cont), offset + n),
|
|
sprout::next(sprout::internal_begin(cont), offset + l)
|
|
),
|
|
comp,
|
|
offset, size, l, l * 2 + 1, l * 2 + 2
|
|
)
|
|
: sprout::deep_copy(cont)
|
|
;
|
|
}
|
|
template<typename Container, typename Compare>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap_impl(
|
|
Container const& cont, Compare comp,
|
|
typename sprout::container_traits<Container>::difference_type offset,
|
|
typename sprout::container_traits<Container>::difference_type size,
|
|
typename sprout::container_traits<Container>::difference_type n,
|
|
typename sprout::container_traits<Container>::difference_type l,
|
|
typename sprout::container_traits<Container>::difference_type r
|
|
)
|
|
{
|
|
return r > size
|
|
? sprout::deep_copy(cont)
|
|
: r == size
|
|
? comp(*sprout::next(sprout::internal_begin(cont), offset + n), *sprout::next(sprout::internal_begin(cont), offset + l))
|
|
? sprout::fixed::swap_element(
|
|
cont,
|
|
sprout::next(sprout::internal_begin(cont), offset + n),
|
|
sprout::next(sprout::internal_begin(cont), offset + l)
|
|
)
|
|
: sprout::deep_copy(cont)
|
|
: sprout::fixed::detail::make_heap_impl_1(
|
|
sprout::fixed::detail::make_heap_impl(
|
|
sprout::fixed::detail::make_heap_impl(cont, comp, offset, size, l, l * 2 + 1, l * 2 + 2),
|
|
comp,
|
|
offset, size,
|
|
r, r * 2 + 1, r * 2 + 2
|
|
),
|
|
comp,
|
|
offset, size, n, l, r
|
|
)
|
|
;
|
|
}
|
|
#endif
|
|
} // namespace detail
|
|
//
|
|
// make_heap
|
|
//
|
|
template<typename Container, typename Compare>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap(Container const& cont, Compare comp) {
|
|
return sprout::fixed::detail::make_heap_impl(
|
|
cont, comp,
|
|
sprout::internal_begin_offset(cont),
|
|
sprout::size(cont)
|
|
);
|
|
}
|
|
template<typename Container>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
|
|
make_heap(Container const& cont) {
|
|
return sprout::fixed::detail::make_heap_impl(
|
|
cont, NS_SSCRISK_CEL_OR_SPROUT::less<typename sprout::container_traits<Container>::value_type>(),
|
|
sprout::internal_begin_offset(cont),
|
|
sprout::size(cont)
|
|
);
|
|
}
|
|
} // namespace fixed
|
|
|
|
using sprout::fixed::make_heap;
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_ALGORITHM_FIXED_MAKE_HEAP_HPP
|