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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) 1993, 1994, 1995, 1996, 1997, 2000, 2002, 2003, 2004, |
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5 2005, 2006, 2007 John W. Eaton |
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6 |
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7 This file is part of Octave. |
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8 |
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9 Octave is free software; you can redistribute it and/or modify it |
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10 under the terms of the GNU General Public License as published by the |
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11 Free Software Foundation; either version 3 of the License, or (at your |
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12 option) any later version. |
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13 |
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14 Octave is distributed in the hope that it will be useful, but WITHOUT |
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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17 for more details. |
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18 |
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19 You should have received a copy of the GNU General Public License |
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20 along with Octave; see the file COPYING. If not, see |
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21 <http://www.gnu.org/licenses/>. |
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22 |
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23 */ |
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24 |
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25 #if !defined (octave_MArray_h) |
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26 #define octave_MArray_h 1 |
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27 |
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28 #include "Array.h" |
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29 |
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30 // One dimensional array with math ops. |
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31 |
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32 // But first, some preprocessor abuse... |
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33 |
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34 #include "MArray-defs.h" |
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35 |
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36 MARRAY_OPS_FORWARD_DECLS (MArray, ) |
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37 |
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38 template <class T> |
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39 class |
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40 MArray : public Array<T> |
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41 { |
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42 protected: |
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43 |
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44 MArray (T *d, octave_idx_type l) : Array<T> (d, l) { } |
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45 |
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46 public: |
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47 |
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48 MArray (void) : Array<T> () { } |
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49 |
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50 explicit MArray (octave_idx_type n) : Array<T> (n) { } |
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51 |
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52 MArray (octave_idx_type n, const T& val) : Array<T> (n, val) { } |
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53 |
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54 MArray (const MArray<T>& a) : Array<T> (a) { } |
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55 |
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56 MArray (const Array<T>& a) : Array<T> (a) { } |
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57 |
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58 ~MArray (void) { } |
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59 |
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60 MArray<T>& operator = (const MArray<T>& a) |
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61 { |
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62 Array<T>::operator = (a); |
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63 return *this; |
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64 } |
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65 |
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66 octave_idx_type nnz (void) const |
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67 { |
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68 octave_idx_type retval = 0; |
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69 |
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70 const T *d = this->data (); |
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71 |
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72 octave_idx_type nel = this->numel (); |
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73 |
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74 for (octave_idx_type i = 0; i < nel; i++) |
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75 { |
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76 if (d[i] != T ()) |
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77 retval++; |
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78 } |
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79 |
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80 return retval; |
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81 } |
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82 |
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83 double norm (double p) const; |
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84 |
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85 // Currently, the OPS functions don't need to be friends, but that |
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86 // may change. |
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87 |
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88 // MARRAY_OPS_FRIEND_DECLS (MArray) |
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89 }; |
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90 |
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91 #endif |
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92 |
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93 /* |
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94 ;;; Local Variables: *** |
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95 ;;; mode: C++ *** |
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96 ;;; End: *** |
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97 */ |
