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1 // Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
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2 // Copyright (C) 2008-2011 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 op_dot
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15 //! @{
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16
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17 //! \brief
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18 //! dot product operation
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19
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20 class op_dot
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21 {
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22 public:
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23
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24 template<typename eT>
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25 arma_hot arma_pure inline static eT direct_dot_arma(const uword n_elem, const eT* const A, const eT* const B);
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26
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27 template<typename eT>
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28 arma_hot arma_pure inline static typename arma_float_only<eT>::result
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29 direct_dot(const uword n_elem, const eT* const A, const eT* const B);
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30
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31 template<typename eT>
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32 arma_hot arma_pure inline static typename arma_cx_only<eT>::result
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33 direct_dot(const uword n_elem, const eT* const A, const eT* const B);
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34
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35 template<typename eT>
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36 arma_hot arma_pure inline static typename arma_integral_only<eT>::result
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37 direct_dot(const uword n_elem, const eT* const A, const eT* const B);
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38
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39
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40 template<typename eT>
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41 arma_hot arma_pure inline static eT direct_dot(const uword n_elem, const eT* const A, const eT* const B, const eT* C);
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42
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43 template<typename T1, typename T2>
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44 arma_hot arma_inline static typename T1::elem_type apply(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
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45
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46 template<typename T1, typename T2>
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47 arma_hot inline static typename T1::elem_type apply_unwrap(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
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48
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49 template<typename T1, typename T2>
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50 arma_hot inline static typename T1::elem_type apply_proxy (const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
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51 };
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52
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53
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54
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55 //! \brief
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56 //! normalised dot product operation
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57
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58 class op_norm_dot
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59 {
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60 public:
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61
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62 template<typename T1, typename T2>
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63 arma_hot inline static typename T1::elem_type apply (const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
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64
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65 template<typename T1, typename T2>
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66 arma_hot inline static typename T1::elem_type apply_unwrap(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
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67 };
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68
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69
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70
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71 class op_cdot
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72 {
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73 public:
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74
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75 template<typename T1, typename T2>
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76 arma_hot arma_inline static typename T1::elem_type apply(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
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77 };
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78
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79
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80
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81 //! @}
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