* [committed] libstdc++: Define new C++17 std::search overload for Parallel Mode [PR 94971]
@ 2020-11-04 13:36 Jonathan Wakely
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From: Jonathan Wakely @ 2020-11-04 13:36 UTC (permalink / raw)
To: libstdc++, gcc-patches
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libstdc++-v3/ChangeLog:
PR libstdc++/94971
* include/bits/stl_algo.h (search(FIter, FIter, const Searcher):
Adjust #if condition.
* include/parallel/algo.h (search(FIter, FIter, const Searcher&):
Define new overload for C++17.
Tested powerpc64le-linux. Committed to trunk.
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commit e0af865ab9d9d5b6b3ac7fdde26cf9bbf635b6b4
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Nov 4 13:36:32 2020
libstdc++: Define new C++17 std::search overload for Parallel Mode [PR 94971]
libstdc++-v3/ChangeLog:
PR libstdc++/94971
* include/bits/stl_algo.h (search(FIter, FIter, const Searcher):
Adjust #if condition.
* include/parallel/algo.h (search(FIter, FIter, const Searcher&):
Define new overload for C++17.
diff --git a/libstdc++-v3/include/bits/stl_algo.h b/libstdc++-v3/include/bits/stl_algo.h
index 621c6331422e..6efc99035b7d 100644
--- a/libstdc++-v3/include/bits/stl_algo.h
+++ b/libstdc++-v3/include/bits/stl_algo.h
@@ -4243,7 +4243,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
__gnu_cxx::__ops::__iter_comp_val(__binary_pred, __val));
}
-#if __cplusplus > 201402L
+#if __cplusplus >= 201703L
/** @brief Search a sequence using a Searcher object.
*
* @param __first A forward iterator.
diff --git a/libstdc++-v3/include/parallel/algo.h b/libstdc++-v3/include/parallel/algo.h
index cec6fd003c38..4b6dcc841191 100644
--- a/libstdc++-v3/include/parallel/algo.h
+++ b/libstdc++-v3/include/parallel/algo.h
@@ -1049,6 +1049,21 @@ namespace __parallel
std::__iterator_category(__begin2));
}
+#if __cplusplus >= 201703L
+ /** @brief Search a sequence using a Searcher object.
+ *
+ * @param __first A forward iterator.
+ * @param __last A forward iterator.
+ * @param __searcher A callable object.
+ * @return @p __searcher(__first,__last).first
+ */
+ template<typename _ForwardIterator, typename _Searcher>
+ inline _ForwardIterator
+ search(_ForwardIterator __first, _ForwardIterator __last,
+ const _Searcher& __searcher)
+ { return __searcher(__first, __last).first; }
+#endif
+
// Sequential fallback
template<typename _FIterator, typename _Integer, typename _Tp>
inline _FIterator
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2020-11-04 13:36 [committed] libstdc++: Define new C++17 std::search overload for Parallel Mode [PR 94971] Jonathan Wakely
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