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1 /* |
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2 |
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3 Copyright (C) 1999 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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include <iostream> |
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32 #include <strstream> |
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33 |
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34 #include "Cell.h" |
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35 #include "defun.h" |
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36 #include "error.h" |
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37 #include "oct-obj.h" |
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38 #include "pt-arg-list.h" |
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39 #include "pt-bp.h" |
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40 #include "pt-exp.h" |
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41 #include "pt-cell.h" |
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42 #include "pt-walk.h" |
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43 #include "utils.h" |
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44 #include "ov.h" |
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45 #include "variables.h" |
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46 |
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47 octave_value |
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48 tree_cell::rvalue (void) |
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49 { |
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50 octave_value retval; |
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51 |
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52 MAYBE_DO_BREAKPOINT; |
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53 |
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54 int nr = length (); |
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55 int nc = -1; |
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56 |
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57 for (Pix p = first (); p != 0; next (p)) |
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58 { |
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59 tree_argument_list *elt = this->operator () (p); |
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60 |
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61 if (nc < 0) |
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62 nc = elt->length (); |
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63 else if (nc != elt->length ()) |
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64 { |
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65 ::error ("number of columns must match"); |
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66 return retval; |
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67 } |
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68 } |
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69 |
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70 Cell val (nr, nc); |
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71 |
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72 int i = 0; |
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73 |
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74 for (Pix p = first (); p != 0; next (p)) |
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75 { |
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76 tree_argument_list *elt = this->operator () (p); |
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77 |
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78 octave_value_list row = elt->convert_to_const_vector (); |
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79 |
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80 for (int j = 0; j < nc; j++) |
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81 val(i,j) = row(j); |
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82 |
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83 i++; |
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84 } |
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85 |
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86 retval = val; |
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87 |
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88 return retval; |
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89 } |
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90 |
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91 octave_value_list |
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92 tree_cell::rvalue (int nargout) |
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93 { |
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94 octave_value_list retval; |
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95 |
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96 if (nargout > 1) |
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97 error ("invalid number of output arguments for cell array"); |
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98 else |
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99 retval = rvalue (); |
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100 |
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101 return retval; |
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102 } |
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103 |
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104 void |
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105 tree_cell::accept (tree_walker& tw) |
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106 { |
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107 tw.visit_cell (*this); |
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108 } |
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109 |
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110 /* |
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111 ;;; Local Variables: *** |
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112 ;;; mode: C++ *** |
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113 ;;; End: *** |
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114 */ |
