op_dot_proto.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 op_dot
00018 //! @{
00019 
00020 //! \brief
00021 //! dot product operation 
00022 
00023 class op_dot
00024   {
00025   public:
00026   
00027   template<typename eT>
00028   inline arma_hot arma_pure static eT direct_dot(const u32 n_elem, const eT* const A, const eT* const B);
00029   
00030   template<typename eT>
00031   inline arma_hot arma_pure static eT direct_dot(const u32 n_elem, const eT* const A, const eT* const B, const eT* C);
00032   
00033   template<typename T1, typename T2>
00034   arma_inline arma_hot static typename T1::elem_type apply(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
00035   
00036   template<typename T1, typename T2>
00037   inline arma_hot static typename T1::elem_type apply_unwrap(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
00038   
00039   template<typename T1, typename T2>
00040   inline arma_hot static typename T1::elem_type apply_proxy (const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
00041   };
00042   
00043   
00044 
00045 //! \brief
00046 //! normalised dot product operation 
00047 
00048 class op_norm_dot
00049   {
00050   public:
00051   
00052   template<typename T1, typename T2>
00053   arma_inline arma_hot static typename T1::elem_type apply(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
00054   
00055   template<typename T1, typename T2>
00056   inline arma_hot static typename T1::elem_type apply_unwrap(const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
00057   
00058   template<typename T1, typename T2>
00059   inline arma_hot static typename T1::elem_type apply_proxy (const Base<typename T1::elem_type,T1>& X, const Base<typename T1::elem_type,T2>& Y);
00060   };
00061 
00062 
00063 
00064 //! @}