97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
|
#include "stlexam.h"
|
||
|
|
#pragma hdrstop
|
||
|
|
/**************************************************************************
|
||
|
|
*
|
||
|
|
* pnt2fnct.cpp - Example program of pointer to function.
|
||
|
|
* 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<vector>
|
||
|
|
#include<algorithm>
|
||
|
|
|
||
|
|
#ifdef _RW_STD_IOSTREAM
|
||
|
|
#include <iostream>
|
||
|
|
#else
|
||
|
|
#include <iostream.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef _RWSTD_NO_NAMESPACE
|
||
|
|
using namespace std;
|
||
|
|
#endif
|
||
|
|
//
|
||
|
|
// Create a function.
|
||
|
|
//
|
||
|
|
int factorial (int x)
|
||
|
|
{
|
||
|
|
int result = 1;
|
||
|
|
for(int i = 2; i <= x; i++)
|
||
|
|
result *= i;
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main ()
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Initialize a deque with an array of integers.
|
||
|
|
//
|
||
|
|
int init[7] = {1,2,3,4,5,6,7};
|
||
|
|
deque<int,allocator<int> > d(init+0, init+7);
|
||
|
|
//
|
||
|
|
// Create an empty vector to store the factorials.
|
||
|
|
//
|
||
|
|
vector<int,allocator<int> > v((size_t)7);
|
||
|
|
//
|
||
|
|
// Transform the numbers in the deque to their factorials and store
|
||
|
|
// in the vector.
|
||
|
|
//
|
||
|
|
transform(d.begin(), d.end(), v.begin(), ptr_fun(factorial));
|
||
|
|
//
|
||
|
|
// Print the results.
|
||
|
|
//
|
||
|
|
cout << "The following numbers: " << endl << " ";
|
||
|
|
copy(d.begin(), d.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
|
||
|
|
|
||
|
|
cout << endl << endl;
|
||
|
|
cout << "Have the factorials: " << endl << " ";
|
||
|
|
copy(v.begin(), v.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
|
||
|
|
cout << endl;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|