op_dot_proto.hpp

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00001 // Copyright (C) 2009 NICTA
00002 // 
00003 // Authors:
00004 // - Conrad Sanderson (conradsand at ieee dot org)
00005 // 
00006 // This file is part of the Armadillo C++ library.
00007 // It is provided without any warranty of fitness
00008 // for any purpose. You can redistribute this file
00009 // and/or modify it under the terms of the GNU
00010 // Lesser General Public License (LGPL) as published
00011 // by the Free Software Foundation, either version 3
00012 // of the License or (at your option) any later version.
00013 // (see http://www.opensource.org/licenses for more info)
00014 
00015 
00016 //! \addtogroup op_dot
00017 //! @{
00018 
00019 //! \brief
00020 //! dot product operation 
00021 
00022 class op_dot
00023   {
00024   public:
00025   
00026   template<typename eT>
00027   inline arma_pure static eT direct_dot(const u32 n_elem, const eT* const A, const eT* const B);
00028   
00029   template<typename eT>
00030   inline arma_pure static eT direct_dot(const u32 n_elem, const eT* const A, const eT* const B, const eT* C);
00031   
00032   template<typename T1, typename T2>
00033   inline static typename T1::elem_type apply(const Base<typename T1::elem_type,T1>& A_orig, const Base<typename T1::elem_type,T2>& B_orig);
00034   };
00035   
00036   
00037 
00038 //! \brief
00039 //! normalised dot product operation 
00040 
00041 class op_norm_dot
00042   {
00043   public:
00044   
00045   template<typename T1, typename T2>
00046   inline static typename T1::elem_type apply(const Base<typename T1::elem_type,T1>& A_orig, const Base<typename T1::elem_type,T2>& B_orig);
00047   };
00048 
00049 //! @}