Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / performance / 25_algorithms / search_n.cc

diff --git a/libstdc++-v3/testsuite/performance/25_algorithms/search_n.cc b/libstdc++-v3/testsuite/performance/25_algorithms/search_n.cc
new file mode 100644 (file)
index 0000000..13bc6ad
--- /dev/null
+++ b/libstdc++-v3/testsuite/performance/25_algorithms/search_n.cc
@@ -0,0 +1,63 @@
+// Copyright (C) 2004, 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/>.
+
+
+#define DISABLE_ITERATOR_DEBUG 1
+
+#include<cstdlib>
+#include<vector>
+#include<algorithm>
+
+#include<sstream>
+#include<testsuite_performance.h>
+#include<testsuite_iterators.h>
+
+using namespace std;
+using namespace __gnu_test;
+
+const int length = 10000000;
+const int match_length = 3;
+int array[length];
+
+int
+main(void)
+{
+  time_counter time;
+  resource_counter resource;
+  int match = rand() % (match_length - 1);
+  for(int i = 0; i < length; i++)
+    {
+      array[i] = (match != 0) ? 1 : 0;
+      if(--match < 0) match = rand() % (match_length - 1);
+    }
+  __gnu_test::test_container<int, forward_iterator_wrapper> fcon(array, array + length);
+  start_counters(time, resource);
+  for(int i = 0; i < 100; i++)
+    search_n(fcon.begin(), fcon.end(), 10, 1);
+  stop_counters(time, resource);
+  report_performance(__FILE__, "forward iterator", time, resource);
+  clear_counters(time, resource);
+
+  __gnu_test::test_container<int, random_access_iterator_wrapper> rcon(array, array + length);
+  start_counters(time, resource);
+  for(int i = 0; i < 100; i++)
+    search_n(rcon.begin(), rcon.end(), 10, 1);
+  stop_counters(time, resource);
+  report_performance(__FILE__, "random acess iterator", time, resource);
+  clear_counters(time, resource);
+}
+