+2007-10-14 Paolo Carlini <pcarlini@suse.de>
+
+ * include/bits/stl_algo.h (is_sorted, is_sorted_until): Add.
+ * include/bits/algorithmfwd.h: Add.
+ * include/ext/algorithm: Adjust.
+ * testsuite/25_algorithms/is_sorted/requirements/
+ explicit_instantiation/2.cc: New.
+ * testsuite/25_algorithms/is_sorted/requirements/
+ explicit_instantiation/pod.cc: Likewise.
+ * testsuite/25_algorithms/is_sorted/1.cc: Likewise.
+ * testsuite/25_algorithms/is_sorted_until/requirements/
+ explicit_instantiation/2.cc: Likewise.
+ * testsuite/25_algorithms/is_sorted_until/requirements/
+ explicit_instantiation/pod.cc: Likewise.
+ * testsuite/25_algorithms/is_sorted_until/1.cc: Likewise.
+ * testsuite/25_algorithms/headers/algorithm/synopsis.cc:
+ Add is_sorted and is_sorted_until.
+
+ * include/bits/stl_heap.h (is_heap_until): Add concept and
+ debug-mode checks.
+
2007-10-12 Paolo Carlini <pcarlini@suse.de>
* include/bits/stl_heap.h (__is_heap_until): Add.
template<typename _RAIter, typename _Compare>
_RAIter
is_heap_until(_RAIter, _RAIter, _Compare);
+
+ template<typename _FIter>
+ bool
+ is_sorted(_FIter, _FIter);
+
+ template<typename _FIter, typename _Compare>
+ bool
+ is_sorted(_FIter, _FIter, _Compare);
+
+ template<typename _FIter>
+ _FIter
+ is_sorted_until(_FIter, _FIter);
+
+ template<typename _FIter, typename _Compare>
+ _FIter
+ is_sorted_until(_FIter, _FIter, _Compare);
#endif
template<typename _FIter1, typename _FIter2>
/**
* @brief Permute range into the next "dictionary" ordering using
- * comparison functor.
+ * comparison functor.
* @param first Start of range.
* @param last End of range.
- * @param comp
+ * @param comp A comparison functor.
* @return False if wrapped to first permutation, true otherwise.
*
* Treats all permutations of the range [first,last) as a set of
/**
* @brief Permute range into the previous "dictionary" ordering using
- * comparison functor.
+ * comparison functor.
* @param first Start of range.
* @param last End of range.
- * @param comp
+ * @param comp A comparison functor.
* @return False if wrapped to last permutation, true otherwise.
*
* Treats all permutations of the range [first,last) as a set of
return __result;
}
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ /**
+ * @brief Determines whether the elements of a sequence are sorted.
+ * @param first An iterator.
+ * @param last Another iterator.
+ * @return True if the elements are sorted, false otherwise.
+ */
+ template<typename _ForwardIterator>
+ inline bool
+ is_sorted(_ForwardIterator __first, _ForwardIterator __last)
+ { return std::is_sorted_until(__first, __last) == __last; }
+
+ /**
+ * @brief Determines whether the elements of a sequence are sorted
+ * according to a comparison functor.
+ * @param first An iterator.
+ * @param last Another iterator.
+ * @param comp A comparison functor.
+ * @return True if the elements are sorted, false otherwise.
+ */
+ template<typename _ForwardIterator, typename _Compare>
+ inline bool
+ is_sorted(_ForwardIterator __first, _ForwardIterator __last,
+ _Compare __comp)
+ { return std::is_sorted_until(__first, __last, __comp) == __last; }
+
+ /**
+ * @brief Determines the end of a sorted sequence.
+ * @param first An iterator.
+ * @param last Another iterator.
+ * @return An iterator pointing to the last iterator i in [first, last)
+ * for which the range [first, i) is sorted.
+ */
+ template<typename _ForwardIterator>
+ _ForwardIterator
+ is_sorted_until(_ForwardIterator __first, _ForwardIterator __last)
+ {
+ // concept requirements
+ __glibcxx_function_requires(_ForwardIteratorConcept<_ForwardIterator>)
+ __glibcxx_function_requires(_LessThanComparableConcept<
+ typename iterator_traits<_ForwardIterator>::value_type>)
+ __glibcxx_requires_valid_range(__first, __last);
+
+ if (__first == __last)
+ return __last;
+
+ _ForwardIterator __next = __first;
+ for (++__next; __next != __last; __first = __next, ++__next)
+ if (*__next < *__first)
+ return __next;
+ return __next;
+ }
+
+ /**
+ * @brief Determines the end of a sorted sequence using comparison functor.
+ * @param first An iterator.
+ * @param last Another iterator.
+ * @param comp A comparison functor.
+ * @return An iterator pointing to the last iterator i in [first, last)
+ * for which the range [first, i) is sorted.
+ */
+ template<typename _ForwardIterator, typename _Compare>
+ _ForwardIterator
+ is_sorted_until(_ForwardIterator __first, _ForwardIterator __last,
+ _Compare __comp)
+ {
+ // concept requirements
+ __glibcxx_function_requires(_ForwardIteratorConcept<_ForwardIterator>)
+ __glibcxx_function_requires(_BinaryPredicateConcept<_Compare,
+ typename iterator_traits<_ForwardIterator>::value_type,
+ typename iterator_traits<_ForwardIterator>::value_type>)
+ __glibcxx_requires_valid_range(__first, __last);
+
+ if (__first == __last)
+ return __last;
+
+ _ForwardIterator __next = __first;
+ for (++__next; __next != __last; __first = __next, ++__next)
+ if (__comp(*__next, *__first))
+ return __next;
+ return __next;
+ }
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
_GLIBCXX_END_NAMESPACE
_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_P)
#ifdef __GXX_EXPERIMENTAL_CXX0X__
/**
- * @brief Check whether a range is a heap.
+ * @brief Determines whether a range is a heap.
* @param first Start of range.
* @param last End of range.
+ * @return True if range is a heap, false otherwise.
* @ingroup heap
*/
template<typename _RandomAccessIterator>
{ return std::is_heap_until(__first, __last) == __last; }
/**
- * @brief Check whether a range is a heap using comparison functor.
+ * @brief Determines whether a range is a heap using comparison functor.
* @param first Start of range.
* @param last End of range.
* @param comp Comparison functor to use.
+ * @return True if range is a heap, false otherwise.
* @ingroup heap
*/
template<typename _RandomAccessIterator, typename _Compare>
* @brief Search the end of a heap.
* @param first Start of range.
* @param last End of range.
+ * @return An iterator pointing to the first element not in the heap.
* @ingroup heap
*
* This operation returns the last iterator i in [first, last) for which
inline _RandomAccessIterator
is_heap_until(_RandomAccessIterator __first, _RandomAccessIterator __last)
{
+ // concept requirements
+ __glibcxx_function_requires(_RandomAccessIteratorConcept<
+ _RandomAccessIterator>)
+ __glibcxx_function_requires(_LessThanComparableConcept<
+ typename iterator_traits<_RandomAccessIterator>::value_type>)
+ __glibcxx_requires_valid_range(__first, __last);
+
return __first + std::__is_heap_until(__first, std::distance(__first,
__last));
}
* @param first Start of range.
* @param last End of range.
* @param comp Comparison functor to use.
+ * @return An iterator pointing to the first element not in the heap.
* @ingroup heap
*
* This operation returns the last iterator i in [first, last) for which
is_heap_until(_RandomAccessIterator __first, _RandomAccessIterator __last,
_Compare __comp)
{
+ // concept requirements
+ __glibcxx_function_requires(_RandomAccessIteratorConcept<
+ _RandomAccessIterator>)
+ __glibcxx_requires_valid_range(__first, __last);
+
return __first + std::__is_heap_until(__first, std::distance(__first,
__last),
__comp);
__out_last - __out_first);
}
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ using std::is_heap;
+ using std::is_sorted;
+#else
/**
* This is an SGI extension.
* @ingroup SGIextensions
return false;
return true;
}
+#endif
_GLIBCXX_END_NAMESPACE
template<typename _RAIter, typename _Compare>
_RAIter
is_heap_until(_RAIter, _RAIter, _Compare);
+
+ template<typename _FIter>
+ bool
+ is_sorted(_FIter, _FIter);
+
+ template<typename _FIter, typename _Compare>
+ bool
+ is_sorted(_FIter, _FIter, _Compare);
+
+ template<typename _FIter>
+ _FIter
+ is_sorted_until(_FIter, _FIter);
+
+ template<typename _FIter, typename _Compare>
+ _FIter
+ is_sorted_until(_FIter, _FIter, _Compare);
#endif
// 25.3.7, minimum and maximum:
--- /dev/null
+// { dg-options "-std=gnu++0x" }
+
+// 2007-10-14 Paolo Carlini <pcarlini@suse.de>
+//
+// Copyright (C) 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 25.3.6 Heap operations [lib.alg.heap.operations]
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_hooks.h>
+
+int A[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+int B[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
+const int N = sizeof(A) / sizeof(int);
+
+void
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ for (int i = 0; i <= N; ++i)
+ {
+ VERIFY( std::is_sorted(A, A + i) );
+ VERIFY( std::is_sorted(A, A + i, std::less<int>()) );
+ VERIFY( std::is_sorted(B, B + i, std::greater<int>()) );
+ VERIFY( (i < 2) || !std::is_sorted(B, B + i) );
+ }
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// 2007-10-14 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_api.h>
+
+namespace std
+{
+ using __gnu_test::NonDefaultConstructible;
+
+ typedef NonDefaultConstructible value_type;
+ typedef value_type* iterator_type;
+ typedef std::less<value_type> compare_type;
+
+ template bool is_sorted(iterator_type, iterator_type);
+ template bool is_sorted(iterator_type, iterator_type, compare_type);
+}
--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// 2007-10-14 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <algorithm>
+#include <testsuite_character.h>
+
+namespace std
+{
+ using __gnu_test::pod_int;
+
+ typedef pod_int value_type;
+ typedef value_type* iterator_type;
+ typedef std::less<value_type> compare_type;
+
+ template bool is_sorted(iterator_type, iterator_type);
+ template bool is_sorted(iterator_type, iterator_type, compare_type);
+}
--- /dev/null
+// { dg-options "-std=gnu++0x" }
+
+// 2007-10-14 Paolo Carlini <pcarlini@suse.de>
+//
+// Copyright (C) 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 25.3.6 Heap operations [lib.alg.heap.operations]
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_hooks.h>
+
+int A[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+int B[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
+const int N = sizeof(A) / sizeof(int);
+
+void
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ for (int i = 0; i <= N; ++i)
+ {
+ VERIFY( A + i == std::is_sorted_until(A, A + i) );
+ VERIFY( A + i == std::is_sorted_until(A, A + i, std::less<int>()) );
+ VERIFY( B + i == std::is_sorted_until(B, B + i, std::greater<int>()) );
+ VERIFY( B + (i < 2 ? i : 1) == std::is_sorted_until(B, B + i) );
+ }
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// 2007-10-14 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_api.h>
+
+namespace std
+{
+ using __gnu_test::NonDefaultConstructible;
+
+ typedef NonDefaultConstructible value_type;
+ typedef value_type* iterator_type;
+ typedef std::less<value_type> compare_type;
+
+ template iterator_type is_sorted_until(iterator_type, iterator_type);
+ template iterator_type is_sorted_until(iterator_type, iterator_type,
+ compare_type);
+}
--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// 2007-10-14 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <algorithm>
+#include <testsuite_character.h>
+
+namespace std
+{
+ using __gnu_test::pod_int;
+
+ typedef pod_int value_type;
+ typedef value_type* iterator_type;
+ typedef std::less<value_type> compare_type;
+
+ template iterator_type is_sorted_until(iterator_type, iterator_type);
+ template iterator_type is_sorted_until(iterator_type, iterator_type,
+ compare_type);
+}