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1 // Template array classes with like-type math ops |
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2 /* |
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3 |
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4 Copyright (C) 1996, 1997 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_MArray_h) |
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25 #define octave_MArray_h 1 |
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26 |
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27 #include "Array.h" |
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28 |
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29 // One dimensional array with math ops. |
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30 |
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31 // But first, some preprocessor abuse... |
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32 |
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33 #include "MArray-defs.h" |
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34 |
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35 MARRAY_OPS_FORWARD_DECLS (MArray, ) |
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36 |
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37 template <class T> |
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38 class |
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39 MArray : public Array<T> |
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40 { |
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41 protected: |
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42 |
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43 MArray (T *d, octave_idx_type l) : Array<T> (d, l) { } |
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44 |
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45 public: |
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46 |
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47 MArray (void) : Array<T> () { } |
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48 |
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49 explicit MArray (octave_idx_type n) : Array<T> (n) { } |
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50 |
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51 MArray (octave_idx_type n, const T& val) : Array<T> (n, val) { } |
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52 |
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53 MArray (const MArray<T>& a) : Array<T> (a) { } |
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54 |
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55 MArray (const Array<T>& a) : Array<T> (a) { } |
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56 |
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57 ~MArray (void) { } |
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58 |
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59 MArray<T>& operator = (const MArray<T>& a) |
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60 { |
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61 Array<T>::operator = (a); |
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62 return *this; |
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63 } |
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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 T *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] != T ()) |
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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 double norm (double p) const; |
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83 |
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84 // Currently, the OPS functions don't need to be friends, but that |
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85 // may change. |
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86 |
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87 // MARRAY_OPS_FRIEND_DECLS (MArray) |
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88 }; |
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89 |
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90 #endif |
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91 |
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92 /* |
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93 ;;; Local Variables: *** |
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94 ;;; mode: C++ *** |
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95 ;;; End: *** |
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96 */ |
