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annotate liboctave/array/fCColVector.h @ 32045:f18da620ab4d stable

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Fix floating point exception when Sparse array reshaped to 0x0 (bug #64080) * Sparse.cc (reshape): Test for empty matrix (number of rows or columns equal to 0) and immediately return constructed, but unfilled, empty sparse matrix. * data.cc (Freshape): Add BIST test for bug #64080.
author Rik <rik@octave.org>
date Thu, 20 Apr 2023 18:58:57 -0700
parents 597f3ee61a48
children 21f9b34eb893
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1994-2023 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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25
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26 #if ! defined (octave_fCColVector_h)
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27 #define octave_fCColVector_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 "MArray.h"
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32 #include "mx-defs.h"
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33
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34 class
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35 OCTAVE_API
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36 FloatComplexColumnVector : public MArray<FloatComplex>
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37 {
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38 friend class FloatComplexMatrix;
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39 friend class FloatComplexRowVector;
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40
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41 public:
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42
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43 FloatComplexColumnVector (void)
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44 : MArray<FloatComplex> (dim_vector (0, 1)) { }
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45
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46 explicit FloatComplexColumnVector (octave_idx_type n)
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47 : MArray<FloatComplex> (dim_vector (n, 1)) { }
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48
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49 explicit FloatComplexColumnVector (const dim_vector& dv)
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50 : MArray<FloatComplex> (dv.as_column ()) { }
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51
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52 FloatComplexColumnVector (octave_idx_type n, const FloatComplex& val)
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53 : MArray<FloatComplex> (dim_vector (n, 1), val) { }
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54
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55 FloatComplexColumnVector (const FloatComplexColumnVector& a)
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56 : MArray<FloatComplex> (a) { }
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57
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58 FloatComplexColumnVector (const MArray<FloatComplex>& a)
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59 : MArray<FloatComplex> (a.as_column ()) { }
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60
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61 FloatComplexColumnVector (const Array<FloatComplex>& a)
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62 : MArray<FloatComplex> (a.as_column ()) { }
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63
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64 explicit OCTAVE_API FloatComplexColumnVector (const FloatColumnVector& a);
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65
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66 FloatComplexColumnVector& operator = (const FloatComplexColumnVector& a)
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67 {
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68 MArray<FloatComplex>::operator = (a);
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69 return *this;
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70 }
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72 OCTAVE_API bool operator == (const FloatComplexColumnVector& a) const;
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73 OCTAVE_API bool operator != (const FloatComplexColumnVector& a) const;
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74
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75 // destructive insert/delete/reorder operations
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76
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77 OCTAVE_API FloatComplexColumnVector&
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78 insert (const FloatColumnVector& a, octave_idx_type r);
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79 OCTAVE_API FloatComplexColumnVector&
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80 insert (const FloatComplexColumnVector& a, octave_idx_type r);
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81
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82 OCTAVE_API FloatComplexColumnVector& fill (float val);
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83 OCTAVE_API FloatComplexColumnVector& fill (const FloatComplex& val);
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84 OCTAVE_API FloatComplexColumnVector&
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85 fill (float val, octave_idx_type r1, octave_idx_type r2);
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86 OCTAVE_API FloatComplexColumnVector&
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87 fill (const FloatComplex& val, octave_idx_type r1, octave_idx_type r2);
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89 OCTAVE_API FloatComplexColumnVector stack (const FloatColumnVector& a) const;
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90 OCTAVE_API FloatComplexColumnVector
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91 stack (const FloatComplexColumnVector& a) const;
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93 OCTAVE_API FloatComplexRowVector hermitian (void) const;
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94 OCTAVE_API FloatComplexRowVector transpose (void) const;
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95
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96 friend OCTAVE_API FloatComplexColumnVector
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97 OCTAVE_API conj (const FloatComplexColumnVector& a);
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98
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99 // resize is the destructive equivalent for this one
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100
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101 OCTAVE_API FloatComplexColumnVector
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102 extract (octave_idx_type r1, octave_idx_type r2) const;
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104 OCTAVE_API FloatComplexColumnVector
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105 extract_n (octave_idx_type r1, octave_idx_type n) const;
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106
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107 // column vector by column vector -> column vector operations
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108
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109 OCTAVE_API FloatComplexColumnVector&
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110 operator += (const FloatColumnVector& a);
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111 OCTAVE_API FloatComplexColumnVector&
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112 operator -= (const FloatColumnVector& a);
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113
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114 // matrix by column vector -> column vector operations
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115
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116 friend OCTAVE_API FloatComplexColumnVector
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117 operator * (const FloatComplexMatrix& a, const FloatColumnVector& b);
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118
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119 friend OCTAVE_API FloatComplexColumnVector
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120 operator * (const FloatComplexMatrix& a, const FloatComplexColumnVector& b);
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121
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122 // matrix by column vector -> column vector operations
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123
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124 friend OCTAVE_API FloatComplexColumnVector
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125 operator * (const FloatMatrix& a, const FloatComplexColumnVector& b);
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126
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127 // diagonal matrix by column vector -> column vector operations
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128
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129 friend OCTAVE_API FloatComplexColumnVector
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130 operator * (const FloatDiagMatrix& a, const FloatComplexColumnVector& b);
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131
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132 friend OCTAVE_API FloatComplexColumnVector
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133 operator * (const FloatComplexDiagMatrix& a, const ColumnVector& b);
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134
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135 friend OCTAVE_API FloatComplexColumnVector
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136 operator * (const FloatComplexDiagMatrix& a, const FloatComplexColumnVector& b);
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137
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138 // other operations
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139
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140 OCTAVE_API FloatComplex min (void) const;
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141 OCTAVE_API FloatComplex max (void) const;
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142
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143 OCTAVE_API FloatColumnVector abs (void) const;
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144
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145 // i/o
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146
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147 friend OCTAVE_API std::ostream&
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148 operator << (std::ostream& os, const FloatComplexColumnVector& a);
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149 friend OCTAVE_API std::istream&
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150 operator >> (std::istream& is, FloatComplexColumnVector& a);
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151
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152 void resize (octave_idx_type n, const FloatComplex& rfv = FloatComplex (0))
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153 {
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154 Array<FloatComplex>::resize (dim_vector (n, 1), rfv);
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155 }
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156
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157 void clear (octave_idx_type n)
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158 { Array<FloatComplex>::clear (n, 1); }
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159
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160 };
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161
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162 MARRAY_FORWARD_DEFS (MArray, FloatComplexColumnVector, FloatComplex)
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163
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164 #endif