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- #include "stlexam.h"
- #pragma hdrstop
- /**************************************************************************
- *
- * prtition.cpp - Example program for partition. See Class Reference Section
- *
- ***************************************************************************
- *
- * (c) Copyright 1994, 1998 Rogue Wave Software, Inc.
- * ALL RIGHTS RESERVED
- *
- * The software and information contained herein are proprietary to, and
- * comprise valuable trade secrets of, Rogue Wave Software, Inc., which
- * intends to preserve as trade secrets such software and information.
- * This software is furnished pursuant to a written license agreement and
- * may be used, copied, transmitted, and stored only in accordance with
- * the terms of such license and with the inclusion of the above copyright
- * notice. This software and information or any other copies thereof may
- * not be provided or otherwise made available to any other person.
- *
- * Notwithstanding any other lease or license that may pertain to, or
- * accompany the delivery of, this computer software and information, the
- * rights of the Government regarding its use, reproduction and disclosure
- * are as set forth in Section 52.227-19 of the FARS Computer
- * Software-Restricted Rights clause.
- *
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
- * Technical Data and Computer Software clause at DFARS 252.227-7013.
- * Contractor/Manufacturer is Rogue Wave Software, Inc.,
- * P.O. Box 2328, Corvallis, Oregon 97339.
- *
- * This computer software and information is distributed with "restricted
- * rights." Use, duplication or disclosure is subject to restrictions as
- * set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
- * Computer Software-Restricted Rights (April 1985)." If the Clause at
- * 18-52.227-74 "Rights in Data General" is specified in the contract,
- * then the "Alternate III" clause applies.
- *
- **************************************************************************/
- #include<functional>
- #include<deque>
- #include<algorithm>
-
- #ifdef _RW_STD_IOSTREAM
- #include <iostream>
- #else
- #include <iostream.h>
- #endif
-
- #ifndef _RWSTD_NO_NAMESPACE
- using namespace std;
- #endif
-
- //
- // Create a new predicate from unary_function.
- //
- template<class Arg>
- class is_even : public unary_function<Arg, bool>
- {
- public:
- bool operator()(const Arg& arg1) { return (arg1 % 2) == 0; }
- };
-
- int main ()
- {
- //
- // Initialize a deque with an array of integers.
- //
- int init[10] = { 1,2,3,4,5,6,7,8,9,10 };
- deque<int,allocator<int> > d1(init+0, init+10);
- deque<int,allocator<int> > d2(init+0, init+10);
- //
- // Print out the original values.
- //
- cout << "Unpartitioned values: " << "\t\t";
- copy(d1.begin(), d1.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
- cout << endl;
- //
- // A partition of the deque according to even/oddness.
- //
- partition(d2.begin(), d2.end(), is_even<int>());
- //
- // Output result of partition.
- //
- cout << "Partitioned values: " << "\t\t";
- copy(d2.begin(), d2.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
- cout << endl;
- //
- // A stable partition of the deque according to even/oddness.
- //
- stable_partition(d1.begin(), d1.end(), is_even<int>());
- //
- // Output result of partition.
- //
- cout << "Stable partitioned values: " << "\t";
- copy(d1.begin(), d1.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
- cout << endl;
-
- return 0;
- }
-