op_diagmat_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_diagmat
00017 //! @{
00018 
00019 
00020 //! convert a mat/rowvec/colvec to a diagonal matrix
00021 
00022 class op_diagmat
00023   {
00024   private:
00025 
00026   template<typename eT>
00027   inline static void zero_offdiag(Mat<eT>& X);
00028   
00029   
00030   public:
00031   
00032   template<typename T1>
00033   inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_diagmat>& in);
00034   
00035   template<typename T1, typename T2>
00036   inline static void apply(Mat<typename T1::elem_type>& out, const Op< Glue<T1,T2, glue_div>,   op_diagmat>& in);
00037   
00038   template<typename T1, typename T2>
00039   inline static void apply(Mat<typename T1::elem_type>& out, const Op< Glue<T1,T2, glue_minus>, op_diagmat>& in);
00040   
00041   template<typename T1, typename T2>
00042   inline static void apply(Mat<typename T1::elem_type>& out, const Op< Glue<T1,T2, glue_plus>,  op_diagmat>& in);
00043   
00044   template<typename T1, typename T2>
00045   inline static void apply(Mat<typename T1::elem_type>& out, const Op< Glue<T1,T2, glue_schur>, op_diagmat>& in);
00046 
00047   template<typename T1, typename T2>
00048   inline static void apply(Mat<typename T1::elem_type>& out, const Op< Glue<T1,T2, glue_times>, op_diagmat>& in);
00049   
00050   };
00051 
00052 
00053 class op_diagmat_vec
00054   {
00055   public:
00056   
00057   template<typename T1>
00058   inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_diagmat_vec>& in);
00059   };
00060 
00061 
00062 //! @}