unwrap_cube.hpp

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00001 // Copyright (C) 2010 NICTA and the authors listed below
00002 // http://nicta.com.au
00003 // 
00004 // Authors:
00005 // - Conrad Sanderson (conradsand at ieee dot org)
00006 // 
00007 // This file is part of the Armadillo C++ library.
00008 // It is provided without any warranty of fitness
00009 // for any purpose. You can redistribute this file
00010 // and/or modify it under the terms of the GNU
00011 // Lesser General Public License (LGPL) as published
00012 // by the Free Software Foundation, either version 3
00013 // of the License or (at your option) any later version.
00014 // (see http://www.opensource.org/licenses for more info)
00015 
00016 
00017 //! \addtogroup unwrap_cube
00018 //! @{
00019 
00020 
00021 
00022 template<typename T1>
00023 class unwrap_cube
00024   {
00025   public:
00026   
00027   typedef typename T1::elem_type eT;
00028   
00029   inline
00030   unwrap_cube(const T1& A)
00031     : M(A)
00032     {
00033     arma_extra_debug_sigprint();
00034     }
00035   
00036   const Cube<eT> M;
00037   };
00038 
00039 
00040 
00041 template<typename eT>
00042 class unwrap_cube< Cube<eT> >
00043   {
00044   public:
00045 
00046   inline
00047   unwrap_cube(const Cube<eT>& A)
00048     : M(A)
00049     {
00050     arma_extra_debug_sigprint();
00051     }
00052 
00053   const Cube<eT>& M;
00054   };
00055 
00056 
00057 
00058 //
00059 //
00060 //
00061 
00062 
00063 
00064 template<typename T1>
00065 class unwrap_cube_check
00066   {
00067   typedef typename T1::elem_type eT;
00068   
00069   inline
00070   unwrap_cube_check(const T1& A, const Cube<eT>& B)
00071     : M(A)
00072     {
00073     arma_extra_debug_sigprint();
00074     
00075     arma_type_check< is_arma_cube_type<T1>::value == false >::apply();
00076     }
00077   
00078   const Cube<eT> M;
00079   };
00080 
00081 
00082 
00083 template<typename eT>
00084 class unwrap_cube_check< Cube<eT> >
00085   {
00086   public:
00087 
00088   inline
00089   unwrap_cube_check(const Cube<eT>& A, const Cube<eT>& B)
00090     : M_local( (&A == &B) ? new Cube<eT>(A) : 0 )
00091     , M      ( (&A == &B) ? (*M_local)      : A )
00092     {
00093     arma_extra_debug_sigprint();
00094     }
00095   
00096   
00097   inline
00098   ~unwrap_cube_check()
00099     {
00100     arma_extra_debug_sigprint();
00101     
00102     if(M_local)
00103       {
00104       delete M_local;
00105       }
00106     }
00107   
00108   
00109   // the order below is important
00110   const Cube<eT>* M_local;
00111   const Cube<eT>& M;
00112   
00113   };
00114 
00115 
00116 
00117 //! @}