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1 /* |
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2 |
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3 Copyright (C) 2003, 2004, 2005, 2006, 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 #if !defined (octave_streamoff_h) |
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24 #define octave_streamoff_h 1 |
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25 |
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26 #include <iostream> |
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27 |
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28 #include "so-array.h" |
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29 #include "oct-alloc.h" |
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30 |
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31 #include "ov.h" |
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32 #include "ov-base-mat.h" |
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33 #include "ov-typeinfo.h" |
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34 |
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35 class tree_walker; |
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36 |
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37 // Stream offsets. |
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38 |
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39 class |
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40 octave_streamoff : public octave_base_matrix<streamoff_array> |
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41 { |
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42 public: |
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43 |
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44 octave_streamoff (void) |
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45 : octave_base_matrix<streamoff_array> () { } |
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46 |
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47 octave_streamoff (const std::streamoff& off) |
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48 : octave_base_matrix<streamoff_array> |
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49 (streamoff_array (dim_vector (1, 1), off)) { } |
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50 |
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51 octave_streamoff (const streamoff_array& off) |
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52 : octave_base_matrix<streamoff_array> (off) { } |
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53 |
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54 octave_streamoff (const octave_streamoff& off) |
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55 : octave_base_matrix<streamoff_array> (off) { } |
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56 |
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57 ~octave_streamoff (void) { } |
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58 |
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59 octave_base_value *clone (void) const { return new octave_streamoff (*this); } |
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60 octave_base_value *empty_clone (void) const { return new octave_streamoff (); } |
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61 |
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62 bool is_defined (void) const { return true; } |
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63 |
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64 bool is_streamoff (void) const { return true; } |
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65 |
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66 std::streamoff streamoff_value (void) const; |
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67 |
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68 streamoff_array streamoff_array_value (void) const { return matrix; } |
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69 |
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70 void increment (void) { matrix += std::streamoff (1); } |
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71 |
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72 void decrement (void) { matrix -= std::streamoff (1); } |
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73 |
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74 bool print_as_scalar (void) const { return true; } |
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75 |
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76 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
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77 |
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78 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
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79 |
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80 octave_value sort (octave_idx_type, sortmode) const |
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81 { |
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82 gripe_wrong_type_arg ("octave_base_value::sort ()", type_name ()); |
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83 return octave_value(); |
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84 } |
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85 octave_value sort (Array<octave_idx_type> &, octave_idx_type, |
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86 sortmode) const |
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87 { |
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88 gripe_wrong_type_arg ("octave_base_value::sort ()", type_name ()); |
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89 return octave_value(); |
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90 } |
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91 |
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92 private: |
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93 |
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94 DECLARE_OCTAVE_ALLOCATOR |
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95 |
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96 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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97 }; |
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98 |
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99 #endif |
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100 |
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101 /* |
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102 ;;; Local Variables: *** |
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103 ;;; mode: C++ *** |
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104 ;;; End: *** |
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105 */ |
