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+// 2007-01-11 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2007, 2009 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 3, 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 COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+
+#include <valarray>
+#include <testsuite_hooks.h>
+
+bool
+comp_vala(const std::valarray<int>& v1, const std::valarray<int>& v2)
+{
+ if (v1.size() == v2.size())
+ {
+ for (size_t i = 0; i < v1.size(); ++i)
+ if (v1[i] != v2[i])
+ return false;
+ return true;
+ }
+ return false;
+}
+
+void
+init_vala(std::valarray<int>& v, size_t first, size_t last, int val)
+{
+ for (size_t i = first; i <= last; ++i)
+ v[i] = val++;
+}
+
+// libstdc++/30416
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+ using namespace std;
+
+ // shift
+ valarray<int> v1;
+ valarray<int> v1_ris(v1.shift(0));
+ VERIFY( comp_vala(v1, v1_ris) );
+
+ valarray<int> v2;
+ valarray<int> v2_ris(v2.shift(10));
+ VERIFY( comp_vala(v2, v2_ris) );
+
+ valarray<int> v3;
+ valarray<int> v3_ris(v3.shift(-10));
+ VERIFY( comp_vala(v3, v3_ris) );
+
+ valarray<int> v4(10);
+ valarray<int> v4_ris(v4.shift(0));
+ VERIFY( comp_vala(v4, v4_ris) );
+
+ valarray<int> v5(10);
+ init_vala(v5, 0, 9, 1);
+ valarray<int> v5_ref(10);
+
+ valarray<int> v5_ris(v5.shift(16));
+ VERIFY( comp_vala(v5_ris, v5_ref) );
+
+ valarray<int> v6(10);
+ init_vala(v6, 0, 9, 1);
+ valarray<int> v6_ref(10);
+
+ valarray<int> v6_ris(v6.shift(-16));
+ VERIFY( comp_vala(v6_ris, v6_ref) );
+
+ valarray<int> v7(10);
+ init_vala(v7, 0, 9, 1);
+ valarray<int> v7_ref(10);
+
+ valarray<int> v7_ris(v7.shift(10));
+ VERIFY( comp_vala(v7_ris, v7_ref) );
+
+ valarray<int> v8(10);
+ init_vala(v8, 0, 9, 1);
+ valarray<int> v8_ref(10);
+
+ valarray<int> v8_ris(v8.shift(-10));
+ VERIFY( comp_vala(v8_ris, v8_ref) );
+
+ valarray<int> v9(10);
+ init_vala(v9, 0, 9, 1);
+ valarray<int> v9_ref(10);
+ init_vala(v9_ref, 0, 3, 7);
+
+ valarray<int> v9_ris(v9.shift(6));
+ VERIFY( comp_vala(v9_ris, v9_ref) );
+
+ valarray<int> v10(10);
+ init_vala(v10, 0, 9, 1);
+ valarray<int> v10_ref(10);
+ init_vala(v10_ref, 6, 9, 1);
+
+ valarray<int> v10_ris(v10.shift(-6));
+ VERIFY( comp_vala(v10_ris, v10_ref) );
+
+ // cshift
+ valarray<int> v11;
+ valarray<int> v11_ris(v11.cshift(0));
+ VERIFY( comp_vala(v11, v11_ris) );
+
+ valarray<int> v12;
+ valarray<int> v12_ris(v12.cshift(10));
+ VERIFY( comp_vala(v12, v12_ris) );
+
+ valarray<int> v13;
+ valarray<int> v13_ris(v13.cshift(-10));
+ VERIFY( comp_vala(v13, v13_ris) );
+
+ valarray<int> v14(10);
+ valarray<int> v14_ris(v14.cshift(0));
+ VERIFY( comp_vala(v14, v14_ris) );
+
+ valarray<int> v15(10);
+ init_vala(v15, 0, 9, 1);
+ valarray<int> v15_ref(10);
+ init_vala(v15_ref, 0, 3, 7);
+ init_vala(v15_ref, 4, 9, 1);
+
+ valarray<int> v15_ris(v15.cshift(16));
+ VERIFY( comp_vala(v15_ris, v15_ref) );
+
+ valarray<int> v16(10);
+ init_vala(v16, 0, 9, 1);
+ valarray<int> v16_ref(10);
+ init_vala(v16_ref, 0, 5, 5);
+ init_vala(v16_ref, 6, 9, 1);
+
+ valarray<int> v16_ris(v16.cshift(-16));
+ VERIFY( comp_vala(v16_ris, v16_ref) );
+
+ valarray<int> v17(10);
+ init_vala(v17, 0, 9, 1);
+
+ valarray<int> v17_ris(v15.cshift(10));
+ VERIFY( comp_vala(v17, v17_ris) );
+
+ valarray<int> v18(10);
+ init_vala(v18, 0, 9, 1);
+
+ valarray<int> v18_ris(v18.cshift(-10));
+ VERIFY( comp_vala(v18, v18_ris) );
+
+ valarray<int> v19(10);
+ init_vala(v19, 0, 9, 1);
+ valarray<int> v19_ref(10);
+ init_vala(v19_ref, 0, 3, 7);
+ init_vala(v19_ref, 4, 9, 1);
+
+ valarray<int> v19_ris(v15.cshift(6));
+ VERIFY( comp_vala(v19_ris, v19_ref) );
+
+ valarray<int> v20(10);
+ init_vala(v20, 0, 9, 1);
+ valarray<int> v20_ref(10);
+ init_vala(v20_ref, 0, 5, 5);
+ init_vala(v20_ref, 6, 9, 1);
+
+ valarray<int> v20_ris(v20.cshift(-6));
+ VERIFY( comp_vala(v20_ris, v20_ref) );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}