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maint: merge stable to default
author John W. Eaton <jwe@octave.org>
date Fri, 22 Dec 2023 12:14:08 -0500
parents ae4e19c0a2b1 2e484f9f1f18
children
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2024 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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26 #if ! defined (octave_dNDArray_h)
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27 #define octave_dNDArray_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include "intNDArray-fwd.h"
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32 #include "MArray.h"
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33 #include "bsxfun-decl.h"
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34 #include "mx-defs.h"
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35 #include "mx-op-decl.h"
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36
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37 class OCTAVE_API NDArray : public MArray<double>
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38 {
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39 public:
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40
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41 NDArray () : MArray<double> () { }
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42
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43 NDArray (const dim_vector& dv) : MArray<double> (dv) { }
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44
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45 NDArray (const dim_vector& dv, double val)
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46 : MArray<double> (dv, val) { }
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47
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48 NDArray (const NDArray& a) : MArray<double> (a) { }
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49
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50 NDArray (const Array<octave_idx_type>& a, bool zero_based = false,
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51 bool negative_to_nan = false);
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52
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53 template <typename U>
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54 NDArray (const MArray<U>& a) : MArray<double> (a) { }
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56 template <typename U>
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57 NDArray (const Array<U>& a) : MArray<double> (a) { }
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59 template <typename U>
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60 explicit NDArray (const intNDArray<U>& a) : MArray<double> (a) { }
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61
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62 NDArray (const charNDArray&);
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63
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64 NDArray& operator = (const NDArray& a)
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65 {
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66 MArray<double>::operator = (a);
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67 return *this;
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68 }
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69
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70 ~NDArray () = default;
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71
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72 // unary operations
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73
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74 OCTAVE_API boolNDArray operator ! () const;
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75
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76 OCTAVE_API bool any_element_is_negative (bool = false) const;
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77 OCTAVE_API bool any_element_is_positive (bool = false) const;
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78 OCTAVE_API bool any_element_is_nan () const;
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79 OCTAVE_API bool any_element_is_inf_or_nan () const;
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80 OCTAVE_API bool any_element_not_one_or_zero () const;
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81 OCTAVE_API bool all_elements_are_zero () const;
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82 OCTAVE_API bool all_elements_are_int_or_inf_or_nan () const;
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83 OCTAVE_API bool all_integers (double& max_val, double& min_val) const;
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84 OCTAVE_API bool all_integers () const;
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85 OCTAVE_API bool too_large_for_float () const;
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86
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87 // FIXME: this is not quite the right thing.
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88
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89 OCTAVE_API boolNDArray all (int dim = -1) const;
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90 OCTAVE_API boolNDArray any (int dim = -1) const;
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91
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92 OCTAVE_API NDArray cumprod (int dim = -1) const;
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93 OCTAVE_API NDArray cumsum (int dim = -1) const;
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94 OCTAVE_API NDArray prod (int dim = -1) const;
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95 OCTAVE_API NDArray sum (int dim = -1) const;
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96 OCTAVE_API NDArray xsum (int dim = -1) const;
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97 OCTAVE_API NDArray sumsq (int dim = -1) const;
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98 OCTAVE_API NDArray
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99 concat (const NDArray& rb, const Array<octave_idx_type>& ra_idx);
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100 OCTAVE_API ComplexNDArray
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101 concat (const ComplexNDArray& rb, const Array<octave_idx_type>& ra_idx);
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102 OCTAVE_API charNDArray
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103 concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx);
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105 OCTAVE_API NDArray max (int dim = -1) const;
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106 OCTAVE_API NDArray max (Array<octave_idx_type>& index, int dim = -1) const;
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107 OCTAVE_API NDArray min (int dim = -1) const;
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108 OCTAVE_API NDArray min (Array<octave_idx_type>& index, int dim = -1) const;
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110 OCTAVE_API NDArray cummax (int dim = -1) const;
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111 OCTAVE_API NDArray
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112 cummax (Array<octave_idx_type>& index, int dim = -1) const;
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113 OCTAVE_API NDArray cummin (int dim = -1) const;
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114 OCTAVE_API NDArray
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115 cummin (Array<octave_idx_type>& index, int dim = -1) const;
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117 OCTAVE_API NDArray diff (octave_idx_type order = 1, int dim = -1) const;
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118
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119 OCTAVE_API NDArray&
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120 insert (const NDArray& a, octave_idx_type r, octave_idx_type c);
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121 OCTAVE_API NDArray&
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122 insert (const NDArray& a, const Array<octave_idx_type>& ra_idx);
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123
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124 OCTAVE_API NDArray abs () const;
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125 OCTAVE_API boolNDArray isnan () const;
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126 OCTAVE_API boolNDArray isinf () const;
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127 OCTAVE_API boolNDArray isfinite () const;
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128
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129 OCTAVE_API ComplexNDArray fourier (int dim = 1) const;
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130 OCTAVE_API ComplexNDArray ifourier (int dim = 1) const;
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131
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132 OCTAVE_API ComplexNDArray fourier2d () const;
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133 OCTAVE_API ComplexNDArray ifourier2d () const;
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134
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135 OCTAVE_API ComplexNDArray fourierNd () const;
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136 OCTAVE_API ComplexNDArray ifourierNd () const;
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137
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138 friend OCTAVE_API NDArray real (const ComplexNDArray& a);
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139 friend OCTAVE_API NDArray imag (const ComplexNDArray& a);
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140
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141 friend class ComplexNDArray;
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142
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143 NDArray squeeze () const { return MArray<double>::squeeze (); }
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144
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145 static OCTAVE_API void
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146 increment_index (Array<octave_idx_type>& ra_idx,
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147 const dim_vector& dimensions, int start_dimension = 0);
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148
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149 static OCTAVE_API octave_idx_type
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150 compute_index (Array<octave_idx_type>& ra_idx, const dim_vector& dimensions);
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151
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152 // i/o
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153
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154 friend OCTAVE_API std::ostream&
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155 operator << (std::ostream& os, const NDArray& a);
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156 friend OCTAVE_API std::istream& operator >> (std::istream& is, NDArray& a);
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157
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158 OCTAVE_API NDArray diag (octave_idx_type k = 0) const;
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159
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160 OCTAVE_API NDArray diag (octave_idx_type m, octave_idx_type n) const;
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161
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162 NDArray& changesign ()
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163 {
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164 MArray<double>::changesign ();
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165 return *this;
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166 }
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167
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168 };
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169
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170 // Publish externally used friend functions.
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171
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172 extern OCTAVE_API NDArray real (const ComplexNDArray& a);
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173 extern OCTAVE_API NDArray imag (const ComplexNDArray& a);
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174
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175 MINMAX_DECLS (NDArray, double, OCTAVE_API)
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176
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177 NDS_CMP_OP_DECLS (NDArray, double, OCTAVE_API)
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178 NDS_BOOL_OP_DECLS (NDArray, double, OCTAVE_API)
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179
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180 SND_CMP_OP_DECLS (double, NDArray, OCTAVE_API)
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181 SND_BOOL_OP_DECLS (double, NDArray, OCTAVE_API)
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182
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183 NDND_CMP_OP_DECLS (NDArray, NDArray, OCTAVE_API)
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184 NDND_BOOL_OP_DECLS (NDArray, NDArray, OCTAVE_API)
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185
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186 MARRAY_FORWARD_DEFS (MArray, NDArray, double)
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187
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188 BSXFUN_STDOP_DECLS (NDArray, OCTAVE_API)
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189 BSXFUN_STDREL_DECLS (NDArray, OCTAVE_API)
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190
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191 BSXFUN_OP_DECL (pow, NDArray, OCTAVE_API)
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192 BSXFUN_OP2_DECL (pow, ComplexNDArray, ComplexNDArray,
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193 NDArray, OCTAVE_API)
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194 BSXFUN_OP2_DECL (pow, ComplexNDArray, NDArray,
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195 ComplexNDArray, OCTAVE_API)
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196
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197 #endif