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1 // Copyright (C) 2010 NICTA (www.nicta.com.au)
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2 // Copyright (C) 2010 Conrad Sanderson
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3 //
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4 // This file is part of the Armadillo C++ library.
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5 // It is provided without any warranty of fitness
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6 // for any purpose. You can redistribute this file
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7 // and/or modify it under the terms of the GNU
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8 // Lesser General Public License (LGPL) as published
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9 // by the Free Software Foundation, either version 3
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10 // of the License or (at your option) any later version.
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11 // (see http://www.opensource.org/licenses for more info)
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12
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13
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14 //! \addtogroup subview_elem1
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15 //! @{
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16
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17
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18
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19 template<typename eT, typename T1>
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20 class subview_elem1 : public Base<eT, subview_elem1<eT,T1> >
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21 {
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22 public: arma_aligned const Mat<eT>& m;
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23 protected: arma_aligned Mat<eT>* m_ptr;
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24
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25 public:
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26
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27 typedef eT elem_type;
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28 typedef typename get_pod_type<elem_type>::result pod_type;
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29
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30 arma_aligned const Base<uword,T1>& a;
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31
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32
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33 protected:
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34
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35 arma_inline subview_elem1(const Mat<eT>& in_m, const Base<uword,T1>& in_a);
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36 arma_inline subview_elem1( Mat<eT>& in_m, const Base<uword,T1>& in_a);
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37
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38
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39 public:
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40
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41 inline ~subview_elem1();
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42
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43 template<typename op_type> inline void inplace_op(const eT val);
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44 template<typename op_type, typename T2> inline void inplace_op(const subview_elem1<eT,T2>& x );
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45 template<typename op_type, typename T2> inline void inplace_op(const Base<eT,T2>& x );
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46
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47 inline void fill(const eT val);
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48 inline void zeros();
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49 inline void ones();
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50
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51 inline void operator+= (const eT val);
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52 inline void operator-= (const eT val);
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53 inline void operator*= (const eT val);
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54 inline void operator/= (const eT val);
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55
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56
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57 // deliberately returning void
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58 template<typename T2> inline void operator_equ(const subview_elem1<eT,T2>& x);
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59 template<typename T2> inline void operator= (const subview_elem1<eT,T2>& x);
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60 inline void operator= (const subview_elem1<eT,T1>& x);
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61 template<typename T2> inline void operator+= (const subview_elem1<eT,T2>& x);
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62 template<typename T2> inline void operator-= (const subview_elem1<eT,T2>& x);
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63 template<typename T2> inline void operator%= (const subview_elem1<eT,T2>& x);
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64 template<typename T2> inline void operator/= (const subview_elem1<eT,T2>& x);
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65
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66 template<typename T2> inline void operator= (const Base<eT,T2>& x);
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67 template<typename T2> inline void operator+= (const Base<eT,T2>& x);
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68 template<typename T2> inline void operator-= (const Base<eT,T2>& x);
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69 template<typename T2> inline void operator%= (const Base<eT,T2>& x);
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70 template<typename T2> inline void operator/= (const Base<eT,T2>& x);
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71
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72 inline static void extract(Mat<eT>& out, const subview_elem1& in);
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73
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74 template<typename op_type> inline static void mat_inplace_op(Mat<eT>& out, const subview_elem1& in);
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75
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76 inline static void plus_inplace(Mat<eT>& out, const subview_elem1& in);
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77 inline static void minus_inplace(Mat<eT>& out, const subview_elem1& in);
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78 inline static void schur_inplace(Mat<eT>& out, const subview_elem1& in);
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79 inline static void div_inplace(Mat<eT>& out, const subview_elem1& in);
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80
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81
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82
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83 private:
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84
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85 friend class Mat<eT>;
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86 subview_elem1();
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87 };
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88
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89
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90
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91 class op_subview_elem_equ;
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92 class op_subview_elem_inplace_plus;
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93 class op_subview_elem_inplace_minus;
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94 class op_subview_elem_inplace_schur;
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95 class op_subview_elem_inplace_div;
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96
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97
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98
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99 //! @}
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