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1 /* |
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2 |
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3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, |
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4 2007 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_builtin_h) |
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25 #define octave_builtin_h 1 |
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26 |
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27 #include <string> |
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28 |
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29 #include "ov-fcn.h" |
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30 #include "ov-typeinfo.h" |
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31 |
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32 class octave_value; |
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33 class octave_value_list; |
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34 |
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35 // Builtin functions. |
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36 |
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37 class |
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38 OCTINTERP_API |
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39 octave_builtin : public octave_function |
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40 { |
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41 public: |
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42 |
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43 octave_builtin (void) { } |
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44 |
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45 typedef octave_value_list (*fcn) (const octave_value_list&, int); |
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46 |
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47 octave_builtin (fcn ff, const std::string& nm = std::string (), |
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48 const std::string& ds = std::string ()) |
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49 : octave_function (nm, ds), f (ff) { } |
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50 |
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51 ~octave_builtin (void) { } |
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52 |
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53 octave_value subsref (const std::string&, |
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54 const std::list<octave_value_list>&) |
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55 { |
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56 panic_impossible (); |
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57 return octave_value (); |
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58 } |
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59 |
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60 octave_value_list subsref (const std::string& type, |
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61 const std::list<octave_value_list>& idx, |
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62 int nargout); |
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63 |
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64 octave_function *function_value (bool = false) { return this; } |
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65 |
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66 bool is_builtin_function (void) const { return true; } |
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67 |
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68 octave_value_list |
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69 do_multi_index_op (int nargout, const octave_value_list& args); |
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70 |
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71 protected: |
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72 |
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73 // A pointer to the actual function. |
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74 fcn f; |
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75 |
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76 private: |
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77 |
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78 // No copying! |
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79 |
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80 octave_builtin (const octave_builtin& ob); |
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81 |
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82 octave_builtin& operator = (const octave_builtin& ob); |
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83 |
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84 DECLARE_OCTAVE_ALLOCATOR |
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85 |
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86 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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87 }; |
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88 |
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89 #endif |
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90 |
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91 /* |
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92 ;;; Local Variables: *** |
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93 ;;; mode: C++ *** |
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94 ;;; End: *** |
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95 */ |
