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1 // Copyright (C) 2011-2012 Ryan Curtin
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2 // Copyright (C) 2011 Matthew Amidon
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3 //
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4 // This Source Code Form is subject to the terms of the Mozilla Public
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5 // License, v. 2.0. If a copy of the MPL was not distributed with this
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6 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
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7
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8
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9 //! \addtogroup SpRow
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10 //! @{
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11
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12 //! Class for sparse row vectors (sparse matrices with only one row)
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13
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14 template<typename eT>
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15 class SpRow : public SpMat<eT>
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16 {
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17 public:
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18
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19 typedef eT elem_type;
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20 typedef typename get_pod_type<eT>::result pod_type;
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21
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22 static const bool is_row = true;
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23 static const bool is_col = false;
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24
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25
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26 inline SpRow();
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27 inline explicit SpRow(const uword N);
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28 inline SpRow(const uword in_rows, const uword in_cols);
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29
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30 inline SpRow(const char* text);
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31 inline const SpRow& operator=(const char* text);
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32
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33 inline SpRow(const std::string& text);
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34 inline const SpRow& operator=(const std::string& text);
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35
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36 inline const SpRow& operator=(const eT val);
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37
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38 template<typename T1> inline SpRow(const Base<eT,T1>& X);
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39 template<typename T1> inline const SpRow& operator=(const Base<eT,T1>& X);
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40
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41 template<typename T1> inline SpRow(const SpBase<eT,T1>& X);
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42 template<typename T1> inline const SpRow& operator=(const SpBase<eT,T1>& X);
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43
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44 template<typename T1, typename T2>
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45 inline explicit SpRow(const SpBase<pod_type,T1>& A, const SpBase<pod_type,T2>& B);
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46
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47 inline SpValProxy<SpMat<eT> > col(const uword col_num);
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48 inline eT col(const uword col_num) const;
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49
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50 // arma_inline subview_row<eT> cols(const uword in_col1, const uword in_col2);
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51 // arma_inline const subview_row<eT> cols(const uword in_col1, const uword in_col2) const;
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52
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53 // arma_inline subview_row<eT> subvec(const uword in_col1, const uword in_col2);
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54 // arma_inline const subview_row<eT> subvec(const uword in_col1, const uword in_col2) const;
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55
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56 // arma_inline subview_row<eT> subvec(const span& col_span);
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57 // arma_inline const subview_row<eT> subvec(const span& col_span) const;
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58
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59 // arma_inline subview_row<eT> operator()(const span& col_span);
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60 // arma_inline const subview_row<eT> operator()(const span& col_span) const;
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61
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62 inline void shed_col (const uword col_num);
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63 inline void shed_cols(const uword in_col1, const uword in_col2);
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64
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65 // inline void insert_cols(const uword col_num, const uword N, const bool set_to_zero = true);
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66 // template<typename T1> inline void insert_cols(const uword col_num, const Base<eT,T1>& X);
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67
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68
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69 typedef typename SpMat<eT>::iterator row_iterator;
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70 typedef typename SpMat<eT>::const_iterator const_row_iterator;
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71
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72 inline row_iterator begin_row(const uword row_num = 0);
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73 inline const_row_iterator begin_row(const uword row_num = 0) const;
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74
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75 inline row_iterator end_row(const uword row_num = 0);
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76 inline const_row_iterator end_row(const uword row_num = 0) const;
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77
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78 #ifdef ARMA_EXTRA_SPROW_PROTO
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79 #include ARMA_INCFILE_WRAP(ARMA_EXTRA_SPROW_PROTO)
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80 #endif
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81 };
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82
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83
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84
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85 //! @}
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