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1 // Copyright (C) 2010-2011 NICTA (www.nicta.com.au)
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2 // Copyright (C) 2010-2011 Conrad Sanderson
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3 // Copyright (C) 2010 Dimitrios Bouzas
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4 //
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5 // This file is part of the Armadillo C++ library.
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6 // It is provided without any warranty of fitness
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7 // for any purpose. You can redistribute this file
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8 // and/or modify it under the terms of the GNU
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9 // Lesser General Public License (LGPL) as published
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10 // by the Free Software Foundation, either version 3
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11 // of the License or (at your option) any later version.
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12 // (see http://www.opensource.org/licenses for more info)
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13
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14
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15 //! \addtogroup op_princomp
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16 //! @{
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17
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18
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19
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20 class op_princomp
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21 {
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22 public:
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23
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24 // real element versions
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25
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26 template<typename eT>
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27 inline static bool
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28 direct_princomp
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29 (
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30 Mat<eT>& coeff_out,
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31 const Mat<eT>& in
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32 );
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33
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34 template<typename eT>
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35 inline static bool
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36 direct_princomp
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37 (
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38 Mat<eT>& coeff_out,
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39 Mat<eT>& score_out,
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40 const Mat<eT>& in
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41 );
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42
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43 template<typename eT>
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44 inline static bool
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45 direct_princomp
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46 (
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47 Mat<eT>& coeff_out,
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48 Mat<eT>& score_out,
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49 Col<eT>& latent_out,
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50 const Mat<eT>& in
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51 );
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52
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53 template<typename eT>
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54 inline static bool
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55 direct_princomp
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56 (
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57 Mat<eT>& coeff_out,
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58 Mat<eT>& score_out,
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59 Col<eT>& latent_out,
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60 Col<eT>& tsquared_out,
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61 const Mat<eT>& in
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62 );
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63
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64
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65 // complex element versions
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66
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67 template<typename T>
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68 inline static bool
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69 direct_princomp
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70 (
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71 Mat< std::complex<T> >& coeff_out,
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72 const Mat< std::complex<T> >& in
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73 );
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74
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75 template<typename T>
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76 inline static bool
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77 direct_princomp
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78 (
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79 Mat< std::complex<T> >& coeff_out,
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80 Mat< std::complex<T> >& score_out,
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81 const Mat< std::complex<T> >& in
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82 );
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83
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84 template<typename T>
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85 inline static bool
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86 direct_princomp
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87 (
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88 Mat< std::complex<T> >& coeff_out,
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89 Mat< std::complex<T> >& score_out,
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90 Col<T>& latent_out,
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91 const Mat< std::complex<T> >& in
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92 );
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93
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94 template<typename T>
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95 inline static bool
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96 direct_princomp
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97 (
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98 Mat< std::complex<T> >& coeff_out,
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99 Mat< std::complex<T> >& score_out,
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100 Col<T>& latent_out,
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101 Col< std::complex<T> >& tsquared_out,
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102 const Mat< std::complex<T> >& in
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103 );
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104
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105
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106 template<typename T1>
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107 inline static void
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108 apply(Mat<typename T1::elem_type>& out, const Op<T1,op_princomp>& in);
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109
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110 };
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111
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112
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113
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114 //! @}
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