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annotate liboctave/fNDArray.h @ 8981:ed5055b0a476

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fix & simplify ndarray->matrix conversions
author Jaroslav Hajek <highegg@gmail.com>
date Sat, 14 Mar 2009 19:42:50 +0100
parents d91fa4b20bbb
children a48fba01e4ac
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1 /*
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2
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3 Copyright (C) 1996, 1997, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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4 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_FloatNDArray_h)
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25 #define octave_FloatNDArray_h 1
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26
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27 #include "MArrayN.h"
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28 #include "fMatrix.h"
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29 #include "intNDArray.h"
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30
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31 #include "mx-defs.h"
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32 #include "mx-op-decl.h"
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33
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34 class
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35 OCTAVE_API
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36 FloatNDArray : public MArrayN<float>
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37 {
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38 public:
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39
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40 FloatNDArray (void) : MArrayN<float> () { }
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41
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42 FloatNDArray (const dim_vector& dv) : MArrayN<float> (dv) { }
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43
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44 FloatNDArray (const dim_vector& dv, float val)
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45 : MArrayN<float> (dv, val) { }
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46
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47 FloatNDArray (const FloatNDArray& a) : MArrayN<float> (a) { }
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48
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49 FloatNDArray (const FloatMatrix& a) : MArrayN<float> (a) { }
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50
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51 template <class U>
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52 FloatNDArray (const MArrayN<U>& a) : MArrayN<float> (a) { }
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53
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54 template <class U>
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55 FloatNDArray (const ArrayN<U>& a) : MArrayN<float> (a) { }
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56
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57 template <class U>
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58 explicit FloatNDArray (const intNDArray<U>& a) : MArrayN<float> (a) { }
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59
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60 FloatNDArray (const charNDArray&);
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61
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62 FloatNDArray& operator = (const FloatNDArray& a)
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63 {
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64 MArrayN<float>::operator = (a);
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65 return *this;
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66 }
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67
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68 // unary operations
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69
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70 boolNDArray operator ! (void) const;
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71
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72 bool any_element_is_negative (bool = false) const;
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73 bool any_element_is_nan (void) const;
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74 bool any_element_is_inf_or_nan (void) const;
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75 bool any_element_not_one_or_zero (void) const;
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76 bool all_elements_are_zero (void) const;
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77 bool all_elements_are_int_or_inf_or_nan (void) const;
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78 bool all_integers (float& max_val, float& min_val) const;
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79 bool too_large_for_float (void) const;
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80
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81 // FIXME -- this is not quite the right thing.
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82
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83 boolNDArray all (int dim = -1) const;
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84 boolNDArray any (int dim = -1) const;
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85
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86 FloatNDArray cumprod (int dim = -1) const;
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87 FloatNDArray cumsum (int dim = -1) const;
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88 FloatNDArray prod (int dim = -1) const;
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89 FloatNDArray sum (int dim = -1) const;
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90 FloatNDArray sumsq (int dim = -1) const;
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91 FloatNDArray concat (const FloatNDArray& rb, const Array<octave_idx_type>& ra_idx);
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92 FloatComplexNDArray concat (const FloatComplexNDArray& rb, const Array<octave_idx_type>& ra_idx);
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93 charNDArray concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx);
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94
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95 FloatNDArray max (int dim = 0) const;
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96 FloatNDArray max (ArrayN<octave_idx_type>& index, int dim = 0) const;
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97 FloatNDArray min (int dim = 0) const;
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98 FloatNDArray min (ArrayN<octave_idx_type>& index, int dim = 0) const;
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99
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100 FloatNDArray cummax (int dim = 0) const;
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101 FloatNDArray cummax (ArrayN<octave_idx_type>& index, int dim = 0) const;
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102 FloatNDArray cummin (int dim = 0) const;
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103 FloatNDArray cummin (ArrayN<octave_idx_type>& index, int dim = 0) const;
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104
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105 FloatNDArray& insert (const FloatNDArray& a, octave_idx_type r, octave_idx_type c);
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106 FloatNDArray& insert (const FloatNDArray& a, const Array<octave_idx_type>& ra_idx);
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107
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108 FloatNDArray abs (void) const;
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109
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110 FloatComplexNDArray fourier (int dim = 1) const;
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111 FloatComplexNDArray ifourier (int dim = 1) const;
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112
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113 FloatComplexNDArray fourier2d (void) const;
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114 FloatComplexNDArray ifourier2d (void) const;
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115
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116 FloatComplexNDArray fourierNd (void) const;
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117 FloatComplexNDArray ifourierNd (void) const;
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118
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119 friend OCTAVE_API FloatNDArray real (const FloatComplexNDArray& a);
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120 friend OCTAVE_API FloatNDArray imag (const FloatComplexNDArray& a);
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121
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122 friend class FloatComplexNDArray;
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123
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124 FloatMatrix matrix_value (void) const;
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125
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126 FloatNDArray squeeze (void) const { return MArrayN<float>::squeeze (); }
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127
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128 static void increment_index (Array<octave_idx_type>& ra_idx,
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129 const dim_vector& dimensions,
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130 int start_dimension = 0);
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131
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132 static octave_idx_type compute_index (Array<octave_idx_type>& ra_idx,
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133 const dim_vector& dimensions);
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134
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135 // i/o
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136
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137 friend OCTAVE_API std::ostream& operator << (std::ostream& os, const FloatNDArray& a);
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138 friend OCTAVE_API std::istream& operator >> (std::istream& is, FloatNDArray& a);
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139
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140 static float resize_fill_value (void) { return 0; }
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141
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142 FloatNDArray diag (octave_idx_type k = 0) const;
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143
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144 typedef float (*dmapper) (float);
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145 typedef FloatComplex (*cmapper) (const FloatComplex&);
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146 typedef bool (*bmapper) (float);
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147
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148 FloatNDArray map (dmapper fcn) const;
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149 FloatComplexNDArray map (cmapper fcn) const;
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150 boolNDArray map (bmapper fcn) const;
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151
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152 private:
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153
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154 FloatNDArray (float *d, const dim_vector& dv) : MArrayN<float> (d, dv) { }
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155 };
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156
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157 // Publish externally used friend functions.
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158
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159 extern OCTAVE_API FloatNDArray real (const FloatComplexNDArray& a);
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160 extern OCTAVE_API FloatNDArray imag (const FloatComplexNDArray& a);
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161
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162 extern OCTAVE_API FloatNDArray min (float d, const FloatNDArray& m);
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163 extern OCTAVE_API FloatNDArray min (const FloatNDArray& m, float d);
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164 extern OCTAVE_API FloatNDArray min (const FloatNDArray& a, const FloatNDArray& b);
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165
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166 extern OCTAVE_API FloatNDArray max (float d, const FloatNDArray& m);
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167 extern OCTAVE_API FloatNDArray max (const FloatNDArray& m, float d);
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168 extern OCTAVE_API FloatNDArray max (const FloatNDArray& a, const FloatNDArray& b);
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169
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170 NDS_CMP_OP_DECLS (FloatNDArray, float, OCTAVE_API)
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171 NDS_BOOL_OP_DECLS (FloatNDArray, float, OCTAVE_API)
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172
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173 SND_CMP_OP_DECLS (float, FloatNDArray, OCTAVE_API)
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174 SND_BOOL_OP_DECLS (float, FloatNDArray, OCTAVE_API)
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175
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176 NDND_CMP_OP_DECLS (FloatNDArray, FloatNDArray, OCTAVE_API)
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177 NDND_BOOL_OP_DECLS (FloatNDArray, FloatNDArray, OCTAVE_API)
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178
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179 MARRAY_FORWARD_DEFS (MArrayN, FloatNDArray, float)
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180
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181 #endif
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182
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183 /*
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184 ;;; Local Variables: ***
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185 ;;; mode: C++ ***
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186 ;;; End: ***
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187 */