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texmacs  1.0.7.15
formula.cpp
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00001 
00002 /******************************************************************************
00003 * MODULE     : formula.cpp
00004 * DESCRIPTION: A plugin capable of displaying mathematical formulas
00005 * COPYRIGHT  : (C) 2003  Joris van der Hoeven
00006 *******************************************************************************
00007 * This software falls under the GNU general public license version 3 or later.
00008 * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
00009 * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
00010 ******************************************************************************/
00011 
00012 #include <iostream>
00013 using namespace std;
00014 
00015 #define DATA_BEGIN   ((char) 2)
00016 #define DATA_END     ((char) 5)
00017 #define DATA_ESCAPE  ((char) 27)
00018 
00019 int
00020 main () {
00021   cout << DATA_BEGIN << "verbatim:";
00022   cout << "Please enter a positive integer at each input";
00023   cout << DATA_END;
00024   cout.flush ();
00025 
00026   while (true) {
00027     int i, nr;
00028     cin >> nr;
00029     cout << DATA_BEGIN << "latex:";
00030     cout << "$";
00031     for (i=1; i<nr; i++)
00032       cout << "x_{" << i << "}+";
00033     cout << "x_{" << i << "}$";
00034     cout << DATA_END;
00035     cout.flush ();
00036   }
00037   return 0;
00038 }