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annotate liboctave/fCDiagMatrix.h @ 7789:82be108cc558

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First attempt at single precision tyeps * * * corrections to qrupdate single precision routines * * * prefer demotion to single over promotion to double * * * Add single precision support to log2 function * * * Trivial PROJECT file update * * * Cache optimized hermitian/transpose methods * * * Add tests for tranpose/hermitian and ChangeLog entry for new transpose code
author David Bateman <dbateman@free.fr>
date Sun, 27 Apr 2008 22:34:17 +0200
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children 8b1a2555c4e2
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7789
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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 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
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34 #include "mx-defs.h"
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35
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36 class
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37 FloatComplexDiagMatrix : public MDiagArray2<FloatComplex>
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38 {
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39 public:
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40
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41 FloatComplexDiagMatrix (void) : MDiagArray2<FloatComplex> () { }
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42
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43 FloatComplexDiagMatrix (octave_idx_type r, octave_idx_type c) : MDiagArray2<FloatComplex> (r, c) { }
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44
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45 FloatComplexDiagMatrix (octave_idx_type r, octave_idx_type c, const FloatComplex& val)
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46 : MDiagArray2<FloatComplex> (r, c, val) { }
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47
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48 explicit FloatComplexDiagMatrix (const FloatRowVector& a)
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49 : MDiagArray2<FloatComplex> (FloatComplexRowVector (a)) { }
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50
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51 explicit FloatComplexDiagMatrix (const FloatComplexRowVector& a)
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52 : MDiagArray2<FloatComplex> (a) { }
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53
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54 explicit FloatComplexDiagMatrix (const FloatColumnVector& a)
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55 : MDiagArray2<FloatComplex> (FloatComplexColumnVector (a)) { }
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56
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57 explicit FloatComplexDiagMatrix (const FloatComplexColumnVector& a)
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58 : MDiagArray2<FloatComplex> (a) { }
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59
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60 explicit FloatComplexDiagMatrix (const FloatDiagMatrix& a);
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61
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62 FloatComplexDiagMatrix (const MDiagArray2<FloatComplex>& a)
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63 : MDiagArray2<FloatComplex> (a) { }
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64
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65 FloatComplexDiagMatrix (const FloatComplexDiagMatrix& a)
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66 : MDiagArray2<FloatComplex> (a) { }
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67
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68 FloatComplexDiagMatrix& operator = (const FloatComplexDiagMatrix& a)
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69 {
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70 MDiagArray2<FloatComplex>::operator = (a);
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71 return *this;
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72 }
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73
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74 bool operator == (const FloatComplexDiagMatrix& a) const;
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75 bool operator != (const FloatComplexDiagMatrix& a) const;
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76
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77 FloatComplexDiagMatrix& fill (float val);
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78 FloatComplexDiagMatrix& fill (const FloatComplex& val);
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79 FloatComplexDiagMatrix& fill (float val, octave_idx_type beg, octave_idx_type end);
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80 FloatComplexDiagMatrix& fill (const FloatComplex& val, octave_idx_type beg, octave_idx_type end);
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81 FloatComplexDiagMatrix& fill (const FloatColumnVector& a);
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82 FloatComplexDiagMatrix& fill (const FloatComplexColumnVector& a);
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83 FloatComplexDiagMatrix& fill (const FloatRowVector& a);
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84 FloatComplexDiagMatrix& fill (const FloatComplexRowVector& a);
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85 FloatComplexDiagMatrix& fill (const FloatColumnVector& a, octave_idx_type beg);
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86 FloatComplexDiagMatrix& fill (const FloatComplexColumnVector& a, octave_idx_type beg);
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87 FloatComplexDiagMatrix& fill (const FloatRowVector& a, octave_idx_type beg);
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88 FloatComplexDiagMatrix& fill (const FloatComplexRowVector& a, octave_idx_type beg);
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89
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90 FloatComplexDiagMatrix hermitian (void) const { return MDiagArray2<FloatComplex>::hermitian (std::conj); }
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91 FloatComplexDiagMatrix transpose (void) const { return MDiagArray2<FloatComplex>::transpose(); }
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92
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93 friend FloatComplexDiagMatrix conj (const FloatComplexDiagMatrix& a);
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94
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95 // resize is the destructive analog for this one
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96
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97 FloatComplexMatrix extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const;
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98
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99 // extract row or column i
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100
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101 FloatComplexRowVector row (octave_idx_type i) const;
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102 FloatComplexRowVector row (char *s) const;
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103
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104 FloatComplexColumnVector column (octave_idx_type i) const;
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105 FloatComplexColumnVector column (char *s) const;
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106
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107 FloatComplexDiagMatrix inverse (int& info) const;
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108 FloatComplexDiagMatrix inverse (void) const;
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109
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110 // diagonal matrix by diagonal matrix -> diagonal matrix operations
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111
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112 FloatComplexDiagMatrix& operator += (const FloatDiagMatrix& a);
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113 FloatComplexDiagMatrix& operator -= (const FloatDiagMatrix& a);
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114
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115 // other operations
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116
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117 FloatComplexColumnVector diag (octave_idx_type k = 0) const;
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118
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119 // i/o
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120
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121 friend std::ostream& operator << (std::ostream& os, const FloatComplexDiagMatrix& a);
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122
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123 private:
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124
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125 FloatComplexDiagMatrix (FloatComplex *d, octave_idx_type nr, octave_idx_type nc)
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126 : MDiagArray2<FloatComplex> (d, nr, nc) { }
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127 };
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128
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129 // diagonal matrix by diagonal matrix -> diagonal matrix operations
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130
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131 FloatComplexDiagMatrix
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132 operator * (const FloatComplexDiagMatrix& a, const FloatComplexDiagMatrix& b);
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133
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134 FloatComplexDiagMatrix
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135 operator * (const FloatComplexDiagMatrix& a, const FloatDiagMatrix& b);
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136
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137 FloatComplexDiagMatrix
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138 operator * (const FloatDiagMatrix& a, const FloatComplexDiagMatrix& b);
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139
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140 MDIAGARRAY2_FORWARD_DEFS (MDiagArray2, FloatComplexDiagMatrix, FloatComplex)
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141
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142 #endif
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143
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144 /*
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145 ;;; Local Variables: ***
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146 ;;; mode: C++ ***
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147 ;;; End: ***
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148 */