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1 /* |
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2 |
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3 Copyright (C) 2007 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #include <octave/oct.h> |
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24 #include <octave/f77-fcn.h> |
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25 |
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26 extern "C" |
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27 { |
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28 F77_RET_T |
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29 F77_FUNC (fortsub, FORTSUB) |
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30 (const int&, double*, F77_CHAR_ARG_DECL |
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31 F77_CHAR_ARG_LEN_DECL); |
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32 } |
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33 |
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34 DEFUN_DLD (fortdemo , args , , "Fortran Demo.") |
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35 { |
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36 octave_value_list retval; |
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37 int nargin = args.length(); |
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38 if (nargin != 1) |
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39 print_usage (); |
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40 else |
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41 { |
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42 NDArray a = args(0).array_value (); |
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43 if (! error_state) |
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44 { |
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45 double *av = a.fortran_vec (); |
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46 octave_idx_type na = a.nelem (); |
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47 OCTAVE_LOCAL_BUFFER (char, ctmp, 128); |
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48 |
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49 F77_XFCN (fortsub, FORTSUB, (na, av, ctmp |
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50 F77_CHAR_ARG_LEN (128))); |
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51 |
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52 if (f77_exception_encountered) |
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53 error ("fortdemo: error in fortran"); |
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54 else |
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55 { |
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56 retval(1) = std::string (ctmp); |
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57 retval(0) = a; |
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58 } |
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59 } |
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60 } |
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61 return retval; |
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62 } |
