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annotate liboctave/fCDiagMatrix.h @ 10489:d47802f0e557

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author Jaroslav Hajek <highegg@gmail.com>
date Tue, 06 Apr 2010 08:28:15 +0200
parents 96ed7c629bbd
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, 2007,
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4 2008, 2009 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_FloatComplexDiagMatrix_h)
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25 #define octave_FloatComplexDiagMatrix_h 1
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26
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27 #include "MDiagArray2.h"
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28
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29 #include "fRowVector.h"
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30 #include "fCRowVector.h"
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31 #include "fColVector.h"
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32 #include "fCColVector.h"
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33 #include "DET.h"
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34
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35 #include "mx-defs.h"
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36
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37 class
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38 OCTAVE_API
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39 FloatComplexDiagMatrix : public MDiagArray2<FloatComplex>
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40 {
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41 public:
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42
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43 FloatComplexDiagMatrix (void) : MDiagArray2<FloatComplex> () { }
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44
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45 FloatComplexDiagMatrix (octave_idx_type r, octave_idx_type c) : MDiagArray2<FloatComplex> (r, c) { }
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46
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47 FloatComplexDiagMatrix (octave_idx_type r, octave_idx_type c, const FloatComplex& val)
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48 : MDiagArray2<FloatComplex> (r, c, val) { }
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49
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50 explicit FloatComplexDiagMatrix (const Array<FloatComplex>& a)
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51 : MDiagArray2<FloatComplex> (a) { }
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52
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53 FloatComplexDiagMatrix (const Array<FloatComplex>& a, octave_idx_type r, octave_idx_type c)
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54 : MDiagArray2<FloatComplex> (a, r, c) { }
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55
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56 explicit FloatComplexDiagMatrix (const Array<float>& a)
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57 : MDiagArray2<FloatComplex> (Array<FloatComplex> (a)) { }
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58
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59 explicit FloatComplexDiagMatrix (const FloatDiagMatrix& a);
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60
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61 FloatComplexDiagMatrix (const MDiagArray2<FloatComplex>& a)
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62 : MDiagArray2<FloatComplex> (a) { }
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63
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64 FloatComplexDiagMatrix (const FloatComplexDiagMatrix& a)
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65 : MDiagArray2<FloatComplex> (a) { }
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66
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67 template <class U>
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68 FloatComplexDiagMatrix (const DiagArray2<U>& a)
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69 : MDiagArray2<FloatComplex> (a) { }
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70
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71 FloatComplexDiagMatrix& operator = (const FloatComplexDiagMatrix& a)
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72 {
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73 MDiagArray2<FloatComplex>::operator = (a);
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74 return *this;
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75 }
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76
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77 bool operator == (const FloatComplexDiagMatrix& a) const;
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78 bool operator != (const FloatComplexDiagMatrix& a) const;
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79
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80 FloatComplexDiagMatrix& fill (float val);
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81 FloatComplexDiagMatrix& fill (const FloatComplex& val);
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82 FloatComplexDiagMatrix& fill (float val, octave_idx_type beg, octave_idx_type end);
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83 FloatComplexDiagMatrix& fill (const FloatComplex& val, octave_idx_type beg, octave_idx_type end);
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84 FloatComplexDiagMatrix& fill (const FloatColumnVector& a);
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85 FloatComplexDiagMatrix& fill (const FloatComplexColumnVector& a);
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86 FloatComplexDiagMatrix& fill (const FloatRowVector& a);
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87 FloatComplexDiagMatrix& fill (const FloatComplexRowVector& a);
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88 FloatComplexDiagMatrix& fill (const FloatColumnVector& a, octave_idx_type beg);
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89 FloatComplexDiagMatrix& fill (const FloatComplexColumnVector& a, octave_idx_type beg);
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90 FloatComplexDiagMatrix& fill (const FloatRowVector& a, octave_idx_type beg);
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91 FloatComplexDiagMatrix& fill (const FloatComplexRowVector& a, octave_idx_type beg);
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92
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93 FloatComplexDiagMatrix hermitian (void) const { return MDiagArray2<FloatComplex>::hermitian (std::conj); }
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94 FloatComplexDiagMatrix transpose (void) const { return MDiagArray2<FloatComplex>::transpose(); }
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95 FloatDiagMatrix abs (void) const;
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96
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97 friend OCTAVE_API FloatComplexDiagMatrix conj (const FloatComplexDiagMatrix& a);
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98
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99 // resize is the destructive analog for this one
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100
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101 FloatComplexMatrix extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const;
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102
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103 // extract row or column i
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104
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105 FloatComplexRowVector row (octave_idx_type i) const;
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106 FloatComplexRowVector row (char *s) const;
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107
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108 FloatComplexColumnVector column (octave_idx_type i) const;
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109 FloatComplexColumnVector column (char *s) const;
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110
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111 FloatComplexDiagMatrix inverse (octave_idx_type& info) const;
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112 FloatComplexDiagMatrix inverse (void) const;
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113 FloatComplexDiagMatrix pseudo_inverse (void) const;
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114
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115 bool all_elements_are_real (void) const;
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116
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117 // diagonal matrix by diagonal matrix -> diagonal matrix operations
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118
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119 FloatComplexDiagMatrix& operator += (const FloatDiagMatrix& a);
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120 FloatComplexDiagMatrix& operator -= (const FloatDiagMatrix& a);
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121
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122 // other operations
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123
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124 FloatComplexColumnVector diag (octave_idx_type k = 0) const
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125 { return MDiagArray2<FloatComplex>::diag (k); }
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126
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127 FloatComplexDET determinant (void) const;
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128 float rcond (void) const;
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129
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130 // i/o
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131
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132 friend std::ostream& operator << (std::ostream& os, const FloatComplexDiagMatrix& a);
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133
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134 };
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135
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136 OCTAVE_API FloatComplexDiagMatrix conj (const FloatComplexDiagMatrix& a);
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137
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138 // diagonal matrix by diagonal matrix -> diagonal matrix operations
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139
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140 OCTAVE_API FloatComplexDiagMatrix
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141 operator * (const FloatComplexDiagMatrix& a, const FloatComplexDiagMatrix& b);
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142
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143 OCTAVE_API FloatComplexDiagMatrix
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144 operator * (const FloatComplexDiagMatrix& a, const FloatDiagMatrix& b);
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145
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146 OCTAVE_API FloatComplexDiagMatrix
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147 operator * (const FloatDiagMatrix& a, const FloatComplexDiagMatrix& b);
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148
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149 MDIAGARRAY2_FORWARD_DEFS (MDiagArray2, FloatComplexDiagMatrix, FloatComplex)
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150
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151 #endif