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1 /* |
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2 |
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3 Copyright (C) 2003 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_streamoff_array_h) |
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25 #define octave_streamoff_array_h 1 |
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26 |
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27 #include <iostream> |
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28 |
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29 #include "ArrayN.h" |
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30 #include "mx-op-defs.h" |
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31 |
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32 class boolNDArray; |
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33 |
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34 // Stream offsets. |
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35 |
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36 class OCTAVE_API streamoff_array : public ArrayN<std::streamoff> |
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37 { |
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38 public: |
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39 |
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40 streamoff_array (void) : ArrayN<std::streamoff> () { } |
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41 |
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42 streamoff_array (const dim_vector& dv, |
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43 const std::streamoff& val = resize_fill_value ()) |
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44 : ArrayN<std::streamoff> (dv, val) { } |
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45 |
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46 streamoff_array (const ArrayN<std::streamoff>& sa) |
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47 : ArrayN<std::streamoff> (sa) { } |
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48 |
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49 streamoff_array (const streamoff_array& sa) |
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50 : ArrayN<std::streamoff> (sa) { } |
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51 |
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52 ~streamoff_array (void) { } |
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53 |
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54 streamoff_array& operator = (const streamoff_array& sa) |
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55 { |
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56 if (this != &sa) |
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57 ArrayN<std::streamoff>::operator = (sa); |
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58 |
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59 return *this; |
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60 } |
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61 |
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62 streamoff_array squeeze (void) const |
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63 { return ArrayN<std::streamoff>::squeeze (); } |
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64 |
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65 octave_idx_type nnz (void) const |
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66 { |
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67 octave_idx_type retval = 0; |
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68 |
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69 const std::streamoff *d = this->data (); |
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70 |
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71 octave_idx_type nel = this->numel (); |
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72 |
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73 for (octave_idx_type i = 0; i < nel; i++) |
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74 { |
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75 if (d[i]) |
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76 retval++; |
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77 } |
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78 |
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79 return retval; |
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80 } |
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81 |
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82 boolNDArray all (int dim = -1) const; |
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83 boolNDArray any (int dim = -1) const; |
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84 |
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85 static octave_idx_type compute_index (Array<int>& ra_idx, |
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86 const dim_vector& dimensions); |
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87 |
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88 static std::streamoff resize_fill_value (void) { return 0; } |
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89 }; |
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90 |
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91 OCTAVE_API streamoff_array& operator += (streamoff_array& l, const std::streamoff& r); |
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92 OCTAVE_API streamoff_array& operator -= (streamoff_array& l, const std::streamoff& r); |
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93 |
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94 OCTAVE_API streamoff_array& operator += (streamoff_array& l, const streamoff_array& r); |
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95 OCTAVE_API streamoff_array& operator -= (streamoff_array& l, const streamoff_array& r); |
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96 |
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97 NDCMP_OP_DECL (mx_el_eq, std::streamoff, streamoff_array); |
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98 NDCMP_OP_DECL (mx_el_ne, std::streamoff, streamoff_array); |
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99 |
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100 NDCMP_OP_DECL (mx_el_eq, streamoff_array, std::streamoff); |
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101 NDCMP_OP_DECL (mx_el_ne, streamoff_array, std::streamoff); |
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102 |
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103 NDCMP_OP_DECL (mx_el_eq, streamoff_array, streamoff_array); |
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104 NDCMP_OP_DECL (mx_el_ne, streamoff_array, streamoff_array); |
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105 |
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106 BIN_OP_DECL (streamoff_array, operator +, streamoff_array, streamoff_array); |
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107 BIN_OP_DECL (streamoff_array, operator -, streamoff_array, streamoff_array); |
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108 |
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109 BIN_OP_DECL (streamoff_array, operator +, streamoff_array, std::streamoff); |
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110 BIN_OP_DECL (streamoff_array, operator -, streamoff_array, std::streamoff); |
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111 |
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112 BIN_OP_DECL (streamoff_array, operator +, std::streamoff, streamoff_array); |
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113 BIN_OP_DECL (streamoff_array, operator -, std::streamoff, streamoff_array); |
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114 |
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115 #endif |
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116 |
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117 /* |
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118 ;;; Local Variables: *** |
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119 ;;; mode: C++ *** |
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120 ;;; End: *** |
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121 */ |
