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annotate liboctave/array/CNDArray.h @ 20603:f61c67865d9f

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Don't return A for inv (A) when A is a singular Diagonal matrix (bug #46103). * dDiagMatrix.cc (inverse), fDiagMatrix.cc (inverse): return octave_Inf for the inverse of a diagonal element whose value is 0. * test/diag-perm.tst: Add tests for new behavior.
author Rik <rik@octave.org>
date Wed, 07 Oct 2015 07:41:44 -0700
parents 4197fc428c7d
children
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1 /*
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2
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3 Copyright (C) 2003-2015 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 3 of the License, or (at your
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10 option) any 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, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_CNDArray_h)
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24 #define octave_CNDArray_h 1
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26 #include "MArray.h"
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28 #include "mx-defs.h"
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29 #include "mx-op-decl.h"
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30 #include "bsxfun-decl.h"
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32 class
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33 OCTAVE_API
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34 ComplexNDArray : public MArray<Complex>
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35 {
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36 public:
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37
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38 ComplexNDArray (void) : MArray<Complex> () { }
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40 ComplexNDArray (const dim_vector& dv) : MArray<Complex> (dv) { }
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42 ComplexNDArray (const dim_vector& dv, const Complex& val)
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43 : MArray<Complex> (dv, val) { }
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44
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45 ComplexNDArray (const ComplexNDArray& a) : MArray<Complex> (a) { }
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46
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47 template <class U>
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48 ComplexNDArray (const MArray<U>& a) : MArray<Complex> (a) { }
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49
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50 template <class U>
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51 ComplexNDArray (const Array<U>& a) : MArray<Complex> (a) { }
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52
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53 ComplexNDArray (const charNDArray&);
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54
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55 ComplexNDArray& operator = (const ComplexNDArray& a)
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56 {
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57 MArray<Complex>::operator = (a);
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58 return *this;
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59 }
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60
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61 // unary operations
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62
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63 boolNDArray operator ! (void) const;
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64
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65 // FIXME: this is not quite the right thing.
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66
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67 bool any_element_is_nan (void) const;
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68 bool any_element_is_inf_or_nan (void) const;
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69 bool all_elements_are_real (void) const;
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70 bool all_integers (double& max_val, double& min_val) const;
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71 bool too_large_for_float (void) const;
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72
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73 boolNDArray all (int dim = -1) const;
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74 boolNDArray any (int dim = -1) const;
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75
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76 ComplexNDArray cumprod (int dim = -1) const;
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77 ComplexNDArray cumsum (int dim = -1) const;
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78 ComplexNDArray prod (int dim = -1) const;
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79 ComplexNDArray sum (int dim = -1) const;
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80 ComplexNDArray xsum (int dim = -1) const;
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81 ComplexNDArray sumsq (int dim = -1) const;
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82 ComplexNDArray concat (const ComplexNDArray& rb,
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83 const Array<octave_idx_type>& ra_idx);
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84 ComplexNDArray concat (const NDArray& rb,
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85 const Array<octave_idx_type>& ra_idx);
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86
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87 ComplexNDArray max (int dim = -1) const;
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88 ComplexNDArray max (Array<octave_idx_type>& index, int dim = -1) const;
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89 ComplexNDArray min (int dim = -1) const;
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90 ComplexNDArray min (Array<octave_idx_type>& index, int dim = -1) const;
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91
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92 ComplexNDArray cummax (int dim = -1) const;
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93 ComplexNDArray cummax (Array<octave_idx_type>& index, int dim = -1) const;
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94 ComplexNDArray cummin (int dim = -1) const;
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95 ComplexNDArray cummin (Array<octave_idx_type>& index, int dim = -1) const;
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96
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97 ComplexNDArray diff (octave_idx_type order = 1, int dim = -1) const;
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98
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99 ComplexNDArray& insert (const NDArray& a,
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100 octave_idx_type r, octave_idx_type c);
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101 ComplexNDArray& insert (const ComplexNDArray& a,
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102 octave_idx_type r, octave_idx_type c);
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103 ComplexNDArray& insert (const ComplexNDArray& a,
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104 const Array<octave_idx_type>& ra_idx);
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105
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106 NDArray abs (void) const;
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107 boolNDArray isnan (void) const;
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108 boolNDArray isinf (void) const;
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109 boolNDArray isfinite (void) const;
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110
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111 friend OCTAVE_API ComplexNDArray conj (const ComplexNDArray& a);
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112
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113 ComplexNDArray fourier (int dim = 1) const;
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114 ComplexNDArray ifourier (int dim = 1) const;
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115
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116 ComplexNDArray fourier2d (void) const;
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117 ComplexNDArray ifourier2d (void) const;
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118
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119 ComplexNDArray fourierNd (void) const;
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120 ComplexNDArray ifourierNd (void) const;
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121
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122 ComplexNDArray squeeze (void) const { return MArray<Complex>::squeeze (); }
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123
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124 static void increment_index (Array<octave_idx_type>& ra_idx,
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125 const dim_vector& dimensions,
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126 int start_dimension = 0);
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127
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128 static octave_idx_type compute_index (Array<octave_idx_type>& ra_idx,
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129 const dim_vector& dimensions);
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130
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131 // i/o
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132
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133 friend OCTAVE_API std::ostream& operator << (std::ostream& os,
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134 const ComplexNDArray& a);
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135 friend OCTAVE_API std::istream& operator >> (std::istream& is,
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136 ComplexNDArray& a);
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138 // bool all_elements_are_real (void) const;
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139 // bool all_integers (double& max_val, double& min_val) const;
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140
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141 ComplexNDArray diag (octave_idx_type k = 0) const;
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142
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143 ComplexNDArray diag (octave_idx_type m, octave_idx_type n) const;
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144
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145 ComplexNDArray& changesign (void)
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146 {
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147 MArray<Complex>::changesign ();
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148 return *this;
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149 }
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150
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151 };
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152
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153 extern OCTAVE_API ComplexNDArray conj (const ComplexNDArray& a);
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154
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155 MINMAX_DECLS (ComplexNDArray, Complex, OCTAVE_API)
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156
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157 NDS_CMP_OP_DECLS (ComplexNDArray, Complex, OCTAVE_API)
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158 NDS_BOOL_OP_DECLS (ComplexNDArray, Complex, OCTAVE_API)
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159
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160 SND_CMP_OP_DECLS (Complex, ComplexNDArray, OCTAVE_API)
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161 SND_BOOL_OP_DECLS (Complex, ComplexNDArray, OCTAVE_API)
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162
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163 NDND_CMP_OP_DECLS (ComplexNDArray, ComplexNDArray, OCTAVE_API)
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164 NDND_BOOL_OP_DECLS (ComplexNDArray, ComplexNDArray, OCTAVE_API)
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165
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166 MARRAY_FORWARD_DEFS (MArray, ComplexNDArray, Complex)
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167
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168 extern OCTAVE_API ComplexNDArray& operator *= (ComplexNDArray& a, double s);
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169 extern OCTAVE_API ComplexNDArray& operator /= (ComplexNDArray& a, double s);
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170
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171 BSXFUN_STDOP_DECLS (ComplexNDArray, OCTAVE_API)
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172 BSXFUN_STDREL_DECLS (ComplexNDArray, OCTAVE_API)
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173
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174 BSXFUN_OP_DECL (pow, ComplexNDArray, OCTAVE_API)
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175
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176 #endif