2006-12-05 Paolo Carlini <pcarlini@suse.de>

	DR 543, [Ready].
	* include/bits/slice_array.h (slice::slice()): Implement the
	resolution.
	* include/bits/gslice.h (gslice::_Indexer::_Indexer()): Add.
	(gslice::gslice()): Use it.
	* testsuite/26_numerics/valarray/dr543.cc: New.
	* docs/html/ext/howto.html: Add an entry for DR 543.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119552 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 40 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/26_numerics/valarray/dr543.cc b/libstdc++-v3/testsuite/26_numerics/valarray/dr543.cc
new file mode 100644
index 00000000000..9afa93a4b83
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/valarray/dr543.cc
@@ -0,0 +1,40 @@
+// Copyright (C) 2006 Free Software Foundation
+//
+// 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.
+
+#include <valarray>
+#include <testsuite_hooks.h>
+
+// DR 543. valarray slice default constructor
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::valarray<int> v1(10);
+  std::valarray<int> v2 = v1[std::slice()];
+  VERIFY( v2.size() == 0 );
+
+  std::valarray<int> v3(10);
+  std::valarray<int> v4 = v3[std::gslice()];
+  VERIFY( v4.size() == 0 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}