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- #include "stlexam.h"
- #pragma hdrstop
- /**************************************************************************
- *
- * inr_prod.cpp - Example program computes the inner product A X B of two
- * ranges A and B. 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 <numeric> // For inner_product.
- #include <list> // For list.
- #include <vector> // For vectors.
- #include <functional> // For plus and minus.
-
- #ifdef _RW_STD_IOSTREAM
- #include <iostream>
- #else
- #include <iostream.h>
- #endif
-
- int main ()
- {
- #ifndef _RWSTD_NO_NAMESPACE
- using namespace std;
- #endif
-
- //
- // Initialize a list and an int using arrays of ints.
- //
- int a1[3] = {6, -3, -2};
- int a2[3] = {-2, -3, -2};
-
- list<int,allocator<int> > l(a1+0, a1+3);
- vector<int,allocator<int> > v(a2+0, a2+3);
- //
- // Calculate the inner product of the two sets of values.
- //
- int inner_prod = inner_product(l.begin(), l.end(), v.begin(), 0);
- //
- // Calculate a wacky inner product using the same values.
- //
- int wacky = inner_product(l.begin(), l.end(), v.begin(), 0,
- plus<int>(), minus<int>());
- //
- // Print the output.
- //
- cout << "For the two sets of numbers: " << endl << " ";
- copy(v.begin(),v.end(),
- ostream_iterator<int,char,char_traits<char> >(cout," "));
- cout << endl << " and ";
- copy(l.begin(),l.end(),
- ostream_iterator<int,char,char_traits<char> >(cout," "));
-
- cout << "," << endl << endl;
- cout << "The inner product is: " << inner_prod << endl;
- cout << "The wacky result is: " << wacky << endl;
-
- return 0;
- }
-