first commit

extern/stdcxx/4.2.1/examples/manual/partition.cpp

@@ -0,0 +1,81 @@
+/**************************************************************************
+ *
+ * prtition.cpp - Example program for partition.
+ *
+ * $Id: partition.cpp 648752 2008-04-16 17:01:56Z faridz $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ * Copyright 1994-2006 Rogue Wave Software.
+ * 
+ **************************************************************************/
+
+#include <algorithm>    // for copy
+#include <deque>        // for deque
+#include <functional>   // for unary_function
+#include <iostream>     // for cout, endl
+#include <iterator>     // for ostream_iterator
+
+#include <examples.h>
+
+typedef std::modulus<int>               int_modulus;
+typedef std::binder2nd<int_modulus>     bnd_modulus;
+typedef std::unary_negate<bnd_modulus>  is_even;
+
+int main ()
+{
+    typedef std::deque<int, std::allocator<int> >                     Deque;
+    typedef std::ostream_iterator<int, char, std::char_traits<char> > Iter;
+
+    // Initialize a deque with an array of integers.
+    const Deque::value_type a[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
+
+    Deque d1 (a + 0, a + sizeof a / sizeof *a);
+    Deque d2 (d1);
+
+    // Print out the original values.
+    std::cout << "Unpartitioned values: \t\t";
+    std::copy (d1.begin (), d1.end (), Iter (std::cout, " "));
+
+    // A partition of the deque according to even/oddness.
+    std::partition (d2.begin (), d2.end (), is_even ( bnd_modulus(int_modulus (), 2)) );
+
+    // Output result of partition.
+    std::cout << "\nPartitioned values: \t\t";
+    std::copy (d2.begin (), d2.end (), Iter (std::cout, " "));
+
+    // A stable partition of the deque according to even/oddness.
+    std::stable_partition (d1.begin (), d1.end (),  is_even ( bnd_modulus(int_modulus (), 2)) );
+
+    // Output result of partition.
+    std::cout << "\nStable partitioned values: \t";
+    std::copy (d1.begin (), d1.end (), Iter (std::cout, " "));
+    std::cout << std::endl;
+
+    return 0;
+}
+
+
+
+
+
+
+
+
+