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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_NDArray_h) |
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24 #define octave_NDArray_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include "MArrayN.h" |
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31 #include "dMatrix.h" |
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32 #include "intNDArray.h" |
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33 |
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34 #include "mx-defs.h" |
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35 #include "mx-op-defs.h" |
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36 |
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37 #include "data-conv.h" |
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38 #include "mach-info.h" |
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39 |
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40 class |
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41 NDArray : public MArrayN<double> |
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42 { |
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43 public: |
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44 |
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45 NDArray (void) : MArrayN<double> () { } |
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46 |
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47 NDArray (const dim_vector& dv) : MArrayN<double> (dv) { } |
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48 |
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49 NDArray (const dim_vector& dv, double val) |
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50 : MArrayN<double> (dv, val) { } |
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51 |
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52 NDArray (const NDArray& a) : MArrayN<double> (a) { } |
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53 |
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54 NDArray (const Matrix& a) : MArrayN<double> (a) { } |
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55 |
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56 NDArray (const MArrayN<double>& a) : MArrayN<double> (a) { } |
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57 |
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58 template <class U> |
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59 explicit NDArray (const intNDArray<U>& a) : MArrayN<double> (a) { } |
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60 |
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61 NDArray& operator = (const NDArray& a) |
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62 { |
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63 MArrayN<double>::operator = (a); |
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64 return *this; |
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65 } |
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66 |
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67 // unary operations |
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68 |
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69 boolNDArray operator ! (void) const; |
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70 |
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71 bool any_element_is_negative (bool = false) const; |
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72 bool any_element_is_inf_or_nan (void) const; |
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73 bool all_elements_are_int_or_inf_or_nan (void) const; |
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74 bool all_integers (double& max_val, double& min_val) const; |
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75 bool too_large_for_float (void) const; |
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76 |
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77 // XXX FIXME XXX -- this is not quite the right thing. |
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78 |
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79 boolNDArray all (int dim = -1) const; |
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80 boolNDArray any (int dim = -1) const; |
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81 |
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82 NDArray cumprod (int dim = -1) const; |
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83 NDArray cumsum (int dim = -1) const; |
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84 NDArray prod (int dim = -1) const; |
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85 NDArray sum (int dim = -1) const; |
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86 NDArray sumsq (int dim = -1) const; |
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87 int cat (const NDArray& ra_arg, int dim, int iidx, int move); |
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88 |
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89 NDArray max (int dim = 0) const; |
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90 NDArray max (ArrayN<int>& index, int dim = 0) const; |
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91 NDArray min (int dim = 0) const; |
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92 NDArray min (ArrayN<int>& index, int dim = 0) const; |
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93 |
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94 NDArray abs (void) const; |
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95 |
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96 ComplexNDArray fourier (int dim = 1) const; |
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97 ComplexNDArray ifourier (int dim = 1) const; |
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98 |
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99 ComplexNDArray fourier2d (void) const; |
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100 ComplexNDArray ifourier2d (void) const; |
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101 |
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102 ComplexNDArray fourierNd (void) const; |
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103 ComplexNDArray ifourierNd (void) const; |
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104 |
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105 friend NDArray real (const ComplexNDArray& a); |
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106 friend NDArray imag (const ComplexNDArray& a); |
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107 |
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108 Matrix matrix_value (void) const; |
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109 |
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110 NDArray squeeze (void) const { return MArrayN<double>::squeeze (); } |
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111 |
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112 static void increment_index (Array<int>& ra_idx, |
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113 const dim_vector& dimensions, |
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114 int start_dimension = 0); |
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115 |
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116 static int compute_index (Array<int>& ra_idx, |
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117 const dim_vector& dimensions); |
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118 |
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119 // i/o |
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120 |
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121 friend std::ostream& operator << (std::ostream& os, const NDArray& a); |
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122 friend std::istream& operator >> (std::istream& is, NDArray& a); |
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123 |
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124 static double resize_fill_value (void) { return 0; } |
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125 |
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126 private: |
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127 |
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128 NDArray (double *d, const dim_vector& dv) : MArrayN<double> (d, dv) { } |
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129 }; |
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130 |
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131 extern NDArray min (double d, const NDArray& m); |
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132 extern NDArray min (const NDArray& m, double d); |
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133 extern NDArray min (const NDArray& a, const NDArray& b); |
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134 |
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135 extern NDArray max (double d, const NDArray& m); |
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136 extern NDArray max (const NDArray& m, double d); |
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137 extern NDArray max (const NDArray& a, const NDArray& b); |
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138 |
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139 NDS_CMP_OP_DECLS (NDArray, double) |
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140 NDS_BOOL_OP_DECLS (NDArray, double) |
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141 |
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142 SND_CMP_OP_DECLS (double, NDArray) |
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143 SND_BOOL_OP_DECLS (double, NDArray) |
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144 |
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145 NDND_CMP_OP_DECLS (NDArray, NDArray) |
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146 NDND_BOOL_OP_DECLS (NDArray, NDArray) |
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147 |
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148 MARRAY_FORWARD_DEFS (MArrayN, NDArray, double) |
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149 |
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150 #endif |
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151 |
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152 /* |
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153 ;;; Local Variables: *** |
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154 ;;; mode: C++ *** |
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155 ;;; End: *** |
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156 */ |
