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[algorithm.count] Reduce inner function parameter.

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This commit is contained in:
Mitsuru Kariya 2013-09-03 09:28:24 +09:00
parent 5686785ea9
commit ad73036997
1 changed files with 9 additions and 11 deletions
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20
sprout/algorithm/count.hpp
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@ -20,18 +20,18 @@ namespace sprout {
template<typename RandomAccessIterator, typename T>
inline SPROUT_CONSTEXPR typename std::iterator_traits<RandomAccessIterator>::difference_type
count_impl_ra(
RandomAccessIterator first, RandomAccessIterator last, T const& value,
typename std::iterator_traits<RandomAccessIterator>::difference_type pivot
RandomAccessIterator first, T const& value,
typename std::iterator_traits<RandomAccessIterator>::difference_type size
)
{
return pivot == 0 ? (*first == value ? 1 : 0)
return size == 1 ? (*first == value ? 1 : 0)
: sprout::detail::count_impl_ra(
first, sprout::next(first, pivot), value,
pivot / 2
first, value,
size / 2
)
+ sprout::detail::count_impl_ra(
sprout::next(first, pivot), last, value,
(sprout::distance(first, last) - pivot) / 2
sprout::next(first, size / 2), value,
size - size / 2
)
;
}
@ -46,7 +46,7 @@ namespace sprout {
)
{
return first == last ? 0
: sprout::detail::count_impl_ra(first, last, value, sprout::distance(first, last) / 2)
: sprout::detail::count_impl_ra(first, value, sprout::distance(first, last))
;
}
@ -59,9 +59,7 @@ namespace sprout {
{
typedef sprout::pair<InputIterator, typename std::iterator_traits<InputIterator>::difference_type> type;
return current.first == last ? current
: n == 1 ? *current.first == value
? type(sprout::next(current.first), current.second + 1)
: type(sprout::next(current.first), current.second)
: n == 1 ? type(sprout::next(current.first), current.second + (*current.first == value ? 1 : 0))
: sprout::detail::count_impl_1(
sprout::detail::count_impl_1(
current,