83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
|
#include "stlexam.h"
|
|||
|
|
#pragma hdrstop
|
|||
|
|
/**************************************************************************
|
|||
|
|
*
|
|||
|
|
* gslice_array.cpp -- Generalized array slice examples
|
|||
|
|
* 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 "valarray.h" // Contains a valarray stream inserter
|
|||
|
|
|
|||
|
|
int main(void)
|
|||
|
|
{
|
|||
|
|
#ifndef _RWSTD_NO_NAMESPACE
|
|||
|
|
using namespace std;
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
int ibuf[27] = {0,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,9,2,3,4,5,6,7,8,9,10};
|
|||
|
|
int buf13[9] = {13,13,13,13,13,13,13,13,13};
|
|||
|
|
size_t len_buf[3] = {3,3,3};
|
|||
|
|
size_t stride_buf[3] = {9,3,1};
|
|||
|
|
|
|||
|
|
// create a valarray of ints
|
|||
|
|
valarray<int> vi(ibuf,27);
|
|||
|
|
|
|||
|
|
// print out the valarray
|
|||
|
|
cout << vi << endl;
|
|||
|
|
|
|||
|
|
// Get a two dimensional diagonal slice out of the middle
|
|||
|
|
valarray<size_t> len2(2);
|
|||
|
|
len2[0] = 3;
|
|||
|
|
len2[1] = 3;
|
|||
|
|
valarray<size_t> stride2(2);
|
|||
|
|
stride2[0] = 3;
|
|||
|
|
stride2[1] = 10;
|
|||
|
|
gslice_array<int> gsl = vi[gslice(0,len2,stride2)];
|
|||
|
|
|
|||
|
|
// print out the slice
|
|||
|
|
cout << gsl << endl;
|
|||
|
|
|
|||
|
|
// Assign 13<31>s to everything in the slice
|
|||
|
|
gsl = valarray<int>(buf13,9);
|
|||
|
|
|
|||
|
|
// print out the slice and our original valarray
|
|||
|
|
cout << gsl << endl << vi << endl;
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|