Merge pull request #28 from ZaMaZaN4iK/feature_branch/is_palindromic

Delete duplicate version is_palindrome
This commit is contained in:
Marshall Clow
2016-10-12 16:42:14 -07:00
committed by GitHub

View File

@ -35,7 +35,7 @@ namespace boost { namespace algorithm {
/// For other sequences function will return false.
/// Complexity: O(N).
template <typename BidirectionalIterator, typename Predicate>
bool is_palindrome(BidirectionalIterator begin, BidirectionalIterator end, Predicate p )
bool is_palindrome(BidirectionalIterator begin, BidirectionalIterator end, Predicate p)
{
if(begin == end)
{
@ -63,7 +63,7 @@ bool is_palindrome(BidirectionalIterator begin, BidirectionalIterator end, Predi
/// \return true if the entire sequence is palindrome
///
/// \param begin The start of the input sequence
/// \param end One past the end of the input sequence
/// \param end One past the end of the input sequence
///
/// \note This function will return true for empty sequences and for palindromes.
/// For other sequences function will return false.
@ -71,26 +71,8 @@ bool is_palindrome(BidirectionalIterator begin, BidirectionalIterator end, Predi
template <typename BidirectionalIterator>
bool is_palindrome(BidirectionalIterator begin, BidirectionalIterator end)
{
if(begin == end)
{
return true;
}
--end;
while(begin != end)
{
if(!(*begin == *end))
{
return false;
}
++begin;
if(begin == end)
{
break;
}
--end;
}
return true;
return is_palindrome(begin, end,
std::equal_to<typename std::iterator_traits<BidirectionalIterator>::value_type> ());
}
/// \fn is_palindrome ( const R& range )
@ -122,7 +104,6 @@ bool is_palindrome(const R& range, Predicate p)
return is_palindrome(boost::begin(range), boost::end(range), p);
}
/// \fn is_palindrome ( const char* str )
/// \return true if the entire sequence is palindrome
///
@ -138,7 +119,6 @@ bool is_palindrome(const char* str)
return is_palindrome(str, str + strlen(str));
}
/// \fn is_palindrome ( const char* str, Predicate p )
/// \return true if the entire sequence is palindrome
///
@ -155,7 +135,6 @@ bool is_palindrome(const char* str, Predicate p)
return true;
return is_palindrome(str, str + strlen(str), p);
}
}}
#endif // BOOST_ALGORITHM_IS_PALINDROME_HPP