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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, 2003, 2004, 2005, 2006, 2007 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_MArrayN_h) |
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25 #define octave_MArrayN_h 1 |
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26 |
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27 #include "ArrayN.h" |
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28 #include "MArray2.h" |
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29 #include "dim-vector.h" |
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30 |
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31 // N-dimensional array with math ops. |
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32 |
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33 // But first, some preprocessor abuse... |
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34 |
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35 #include "MArray-defs.h" |
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36 |
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37 MARRAY_OPS_FORWARD_DECLS (MArrayN, ) |
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38 |
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39 template <class T> |
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40 class |
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41 MArrayN : public ArrayN<T> |
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42 { |
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43 protected: |
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44 |
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45 MArrayN (T *d, const dim_vector& dv) : ArrayN<T> (d, dv) { } |
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46 |
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47 public: |
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48 |
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49 MArrayN (void) : ArrayN<T> () {} |
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50 |
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51 MArrayN (const dim_vector& dv) : ArrayN<T> (dv) { } |
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52 |
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53 MArrayN (const dim_vector& dv, const T& val) : ArrayN<T> (dv, val) { } |
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54 |
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55 template <class U> |
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56 explicit MArrayN (const Array2<U>& a) : ArrayN<T> (a) { } |
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57 |
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58 template <class U> |
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59 MArrayN (const ArrayN<U>& a) : ArrayN<T> (a) { } |
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60 |
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61 template <class U> |
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62 MArrayN (const MArrayN<U>& a) : ArrayN<T> (a) { } |
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63 |
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64 ~MArrayN (void) { } |
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65 |
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66 MArrayN<T>& operator = (const MArrayN<T>& a) |
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67 { |
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68 ArrayN<T>::operator = (a); |
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69 return *this; |
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70 } |
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71 |
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72 octave_idx_type nnz (void) const |
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73 { |
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74 octave_idx_type retval = 0; |
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75 |
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76 const T *d = this->data (); |
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77 |
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78 octave_idx_type nel = this->numel (); |
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79 |
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80 for (octave_idx_type i = 0; i < nel; i++) |
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81 { |
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82 if (d[i] != T ()) |
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83 retval++; |
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84 } |
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85 |
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86 return retval; |
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87 } |
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88 |
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89 MArrayN<T> reshape (const dim_vector& new_dims) const |
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90 { return ArrayN<T>::reshape (new_dims); } |
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91 |
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92 MArrayN<T> permute (const Array<octave_idx_type>& vec, |
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93 bool inv = false) const |
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94 { return ArrayN<T>::permute (vec, inv); } |
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95 |
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96 MArrayN<T> ipermute (const Array<octave_idx_type>& vec) const |
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97 { return ArrayN<T>::ipermute (vec); } |
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98 |
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99 MArrayN squeeze (void) const { return ArrayN<T>::squeeze (); } |
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100 }; |
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101 |
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102 #endif |
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103 |
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104 /* |
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105 ;;; Local Variables: *** |
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106 ;;; mode: C++ *** |
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107 ;;; End: *** |
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108 */ |
