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fix recursion depth O(logN): some algorithms

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This commit is contained in:
bolero-MURAKAMI 2013-01-03 17:01:50 +09:00
parent 28697ee7a8
commit 5019f6aa96
162 changed files with 3600 additions and 1659 deletions
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31
sprout/iterator/dft_iterator.hpp
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@ -11,7 +11,7 @@
#include <sprout/iterator/distance.hpp>
#include <sprout/utility/swap.hpp>
#include <sprout/numeric/dft/dft_element.hpp>
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT
#include <sprout/iterator/operation.hpp>
namespace sprout {
//
@ -60,7 +60,7 @@ namespace sprout {
dft_iterator(dft_iterator const&) = default;
SPROUT_CONSTEXPR dft_iterator(iterator_type first, iterator_type last, difference_type index = 0)
: first_(first), last_(last), index_(index)
, size_(NS_SSCRISK_CEL_OR_SPROUT::distance(first, last))
, size_(sprout::distance(first, last))
{}
SPROUT_CONSTEXPR dft_iterator next() const {
return dft_iterator(first_, last_, index_, index_ + 1, size_);
@ -164,15 +164,6 @@ namespace sprout {
lhs.swap(rhs);
}
//
// iterator_distance
//
template<typename Iterator>
inline SPROUT_CONSTEXPR typename std::iterator_traits<sprout::dft_iterator<Iterator> >::difference_type
iterator_distance(sprout::dft_iterator<Iterator> first, sprout::dft_iterator<Iterator> last) {
return last - first;
}
//
// iterator_next
//
@ -181,15 +172,6 @@ namespace sprout {
iterator_next(sprout::dft_iterator<Iterator> const& it) {
return it.next();
}
template<typename Iterator>
inline SPROUT_CONSTEXPR sprout::dft_iterator<Iterator>
iterator_next(
sprout::dft_iterator<Iterator> const& it,
typename sprout::dft_iterator<Iterator>::difference_type n
)
{
return it + n;
}
//
// iterator_prev
@ -199,15 +181,6 @@ namespace sprout {
iterator_prev(sprout::dft_iterator<Iterator> const& it) {
return it.prev();
}
template<typename Iterator>
inline SPROUT_CONSTEXPR sprout::dft_iterator<Iterator>
iterator_prev(
sprout::dft_iterator<Iterator> const& it,
typename sprout::dft_iterator<Iterator>::difference_type n
)
{
return it - n;
}
} // namespace sprout
#endif // #ifndef SPROUT_ITERATOR_DFT_ITERATOR_HPP