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1 // Copyright (C) 2010-2012 NICTA (www.nicta.com.au)
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2 // Copyright (C) 2010-2012 Conrad Sanderson
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3 // Copyright (C) 2010 Dimitrios Bouzas
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4 //
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5 // This Source Code Form is subject to the terms of the Mozilla Public
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6 // License, v. 2.0. If a copy of the MPL was not distributed with this
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7 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
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8
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9
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10 //! \addtogroup op_princomp
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11 //! @{
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12
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13
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14
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15 class op_princomp
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16 {
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17 public:
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18
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19 //
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20 // real element versions
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21
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22 template<typename T1>
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23 inline static bool
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24 direct_princomp
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25 (
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26 Mat<typename T1::elem_type>& coeff_out,
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27 const Base<typename T1::elem_type, T1>& X,
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28 const typename arma_not_cx<typename T1::elem_type>::result* junk = 0
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29 );
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30
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31 template<typename T1>
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32 inline static bool
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33 direct_princomp
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34 (
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35 Mat<typename T1::elem_type>& coeff_out,
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36 Mat<typename T1::elem_type>& score_out,
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37 const Base<typename T1::elem_type, T1>& X,
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38 const typename arma_not_cx<typename T1::elem_type>::result* junk = 0
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39 );
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40
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41 template<typename T1>
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42 inline static bool
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43 direct_princomp
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44 (
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45 Mat<typename T1::elem_type>& coeff_out,
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46 Mat<typename T1::elem_type>& score_out,
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47 Col<typename T1::elem_type>& latent_out,
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48 const Base<typename T1::elem_type, T1>& X,
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49 const typename arma_not_cx<typename T1::elem_type>::result* junk = 0
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50 );
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51
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52 template<typename T1>
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53 inline static bool
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54 direct_princomp
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55 (
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56 Mat<typename T1::elem_type>& coeff_out,
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57 Mat<typename T1::elem_type>& score_out,
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58 Col<typename T1::elem_type>& latent_out,
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59 Col<typename T1::elem_type>& tsquared_out,
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60 const Base<typename T1::elem_type, T1>& X,
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61 const typename arma_not_cx<typename T1::elem_type>::result* junk = 0
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62 );
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63
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64
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65 //
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66 // complex element versions
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67
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68 template<typename T1>
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69 inline static bool
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70 direct_princomp
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71 (
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72 Mat< std::complex<typename T1::pod_type> >& coeff_out,
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73 const Base< std::complex<typename T1::pod_type>, T1 >& X,
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74 const typename arma_cx_only<typename T1::elem_type>::result* junk = 0
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75 );
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76
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77 template<typename T1>
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78 inline static bool
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79 direct_princomp
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80 (
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81 Mat< std::complex<typename T1::pod_type> >& coeff_out,
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82 Mat< std::complex<typename T1::pod_type> >& score_out,
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83 const Base< std::complex<typename T1::pod_type>, T1 >& X,
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84 const typename arma_cx_only<typename T1::elem_type>::result* junk = 0
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85 );
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86
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87 template<typename T1>
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88 inline static bool
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89 direct_princomp
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90 (
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91 Mat< std::complex<typename T1::pod_type> >& coeff_out,
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92 Mat< std::complex<typename T1::pod_type> >& score_out,
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93 Col< typename T1::pod_type >& latent_out,
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94 const Base< std::complex<typename T1::pod_type>, T1 >& X,
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95 const typename arma_cx_only<typename T1::elem_type>::result* junk = 0
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96 );
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97
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98 template<typename T1>
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99 inline static bool
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100 direct_princomp
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101 (
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102 Mat< std::complex<typename T1::pod_type> >& coeff_out,
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103 Mat< std::complex<typename T1::pod_type> >& score_out,
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104 Col< typename T1::pod_type >& latent_out,
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105 Col< std::complex<typename T1::pod_type> >& tsquared_out,
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106 const Base< std::complex<typename T1::pod_type>, T1 >& X,
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107 const typename arma_cx_only<typename T1::elem_type>::result* junk = 0
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108 );
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109
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110
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111 template<typename T1>
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112 inline static void
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113 apply(Mat<typename T1::elem_type>& out, const Op<T1,op_princomp>& in);
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114
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115 };
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116
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117
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118
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119 //! @}
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