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1 // Copyright (C) 2008-2010 NICTA (www.nicta.com.au)
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2 // Copyright (C) 2008-2010 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 unwrap_cube
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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 T1>
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20 class unwrap_cube
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21 {
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22 public:
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23
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24 typedef typename T1::elem_type eT;
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25
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26 inline
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27 unwrap_cube(const T1& A)
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28 : M(A)
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29 {
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30 arma_extra_debug_sigprint();
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31 }
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32
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33 const Cube<eT> M;
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34 };
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35
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36
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37
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38 template<typename eT>
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39 class unwrap_cube< Cube<eT> >
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40 {
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41 public:
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42
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43 inline
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44 unwrap_cube(const Cube<eT>& A)
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45 : M(A)
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46 {
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47 arma_extra_debug_sigprint();
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48 }
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49
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50 const Cube<eT>& M;
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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 //
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56 //
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57 //
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58
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59
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60
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61 template<typename T1>
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62 class unwrap_cube_check
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63 {
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64 typedef typename T1::elem_type eT;
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65
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66 inline
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67 unwrap_cube_check(const T1& A, const Cube<eT>& B)
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68 : M(A)
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69 {
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70 arma_extra_debug_sigprint();
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71
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72 arma_type_check(( is_arma_cube_type<T1>::value == false ));
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73 }
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74
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75 const Cube<eT> M;
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76 };
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77
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78
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79
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80 template<typename eT>
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81 class unwrap_cube_check< Cube<eT> >
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82 {
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83 public:
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84
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85 inline
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86 unwrap_cube_check(const Cube<eT>& A, const Cube<eT>& B)
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87 : M_local( (&A == &B) ? new Cube<eT>(A) : 0 )
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88 , M ( (&A == &B) ? (*M_local) : A )
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89 {
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90 arma_extra_debug_sigprint();
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91 }
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92
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93
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94 inline
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95 ~unwrap_cube_check()
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96 {
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97 arma_extra_debug_sigprint();
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98
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99 if(M_local)
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100 {
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101 delete M_local;
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102 }
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103 }
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104
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105
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106 // the order below is important
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107 const Cube<eT>* M_local;
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108 const Cube<eT>& M;
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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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