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annotate liboctave/fRowVector.h @ 12278:52f6f2989fcd release-3-4-x

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don't let uninitialized values escape from DNEUPD
author John W. Eaton <jwe@octave.org>
date Fri, 28 Jan 2011 14:05:59 -0500
parents a83bad07f7e3
children 72c96de7a403
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1 /*
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2
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3 Copyright (C) 1994-2011 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_FloatRowVector_h)
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24 #define octave_FloatRowVector_h 1
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25
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26 #include "MArray.h"
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27
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28 #include "mx-defs.h"
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29
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30 class
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31 OCTAVE_API
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32 FloatRowVector : public MArray<float>
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33 {
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34 public:
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35
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36 FloatRowVector (void) : MArray<float> (dim_vector (1, 0)) { }
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37
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38 explicit FloatRowVector (octave_idx_type n)
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39 : MArray<float> (dim_vector (1, n)) { }
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40
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41 explicit FloatRowVector (const dim_vector& dv)
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42 : MArray<float> (dv.as_row ()) { }
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43
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44 FloatRowVector (octave_idx_type n, float val)
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45 : MArray<float> (dim_vector (1, n), val) { }
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46
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47 FloatRowVector (const FloatRowVector& a) : MArray<float> (a) { }
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48
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49 FloatRowVector (const MArray<float>& a) : MArray<float> (a.as_row ()) { }
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50
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51 FloatRowVector (const Array<float>& a) : MArray<float> (a.as_row ()) { }
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52
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53 FloatRowVector& operator = (const FloatRowVector& a)
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54 {
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55 MArray<float>::operator = (a);
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56 return *this;
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57 }
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58
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59 bool operator == (const FloatRowVector& a) const;
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60 bool operator != (const FloatRowVector& a) const;
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61
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62 // destructive insert/delete/reorder operations
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63
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64 FloatRowVector& insert (const FloatRowVector& a, octave_idx_type c);
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65
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66 FloatRowVector& fill (float val);
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67 FloatRowVector& fill (float val, octave_idx_type c1, octave_idx_type c2);
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68
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69 FloatRowVector append (const FloatRowVector& a) const;
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70
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71 FloatColumnVector transpose (void) const;
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72
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73 friend OCTAVE_API FloatRowVector real (const FloatComplexRowVector& a);
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74 friend OCTAVE_API FloatRowVector imag (const FloatComplexRowVector& a);
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75
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76 // resize is the destructive equivalent for this one
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77
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78 FloatRowVector extract (octave_idx_type c1, octave_idx_type c2) const;
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79
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80 FloatRowVector extract_n (octave_idx_type c1, octave_idx_type n) const;
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81
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82 // row vector by matrix -> row vector
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83
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84 friend OCTAVE_API FloatRowVector operator * (const FloatRowVector& a, const FloatMatrix& b);
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85
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86 // other operations
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87
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88 float min (void) const;
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89 float max (void) const;
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90
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91 // i/o
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92
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93 friend OCTAVE_API std::ostream& operator << (std::ostream& os, const FloatRowVector& a);
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94 friend OCTAVE_API std::istream& operator >> (std::istream& is, FloatRowVector& a);
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95
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96 void resize (octave_idx_type n,
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97 const float& rfv = Array<float>::resize_fill_value ())
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98 {
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99 Array<float>::resize (dim_vector (1, n), rfv);
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100 }
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101
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102 void clear (octave_idx_type n)
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103 { Array<float>::clear (1, n); }
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104
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105 };
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106
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107 // row vector by column vector -> scalar
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108
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109 float OCTAVE_API operator * (const FloatRowVector& a, const FloatColumnVector& b);
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110
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111 Complex OCTAVE_API operator * (const FloatRowVector& a, const ComplexColumnVector& b);
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112
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113 // other operations
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114
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115 OCTAVE_API FloatRowVector linspace (float x1, float x2, octave_idx_type n);
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116
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117 MARRAY_FORWARD_DEFS (MArray, FloatRowVector, float)
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118
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119 #endif