glue_minus_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 glue_minus
00017 //! @{
00018 
00019 
00020 
00021 //! Class for the minus operation, where the result is always a dense matrix
00022 class glue_minus
00023   {
00024   public:
00025 
00026   
00027   // mat
00028 
00029   template<typename eT>
00030   inline static void apply(Mat<eT>& out, const Mat<eT>& A, const Mat<eT>& B);
00031   
00032   template<typename eT>
00033   inline static void apply(Mat<eT>& out, const Mat<eT>& A, const Mat<eT>& B, const Mat<eT>& C);
00034   
00035   template<typename eT>
00036   inline static void apply(Mat<eT>& out, const Glue< Mat<eT>, Mat<eT>, glue_minus>& X);
00037   
00038   template<typename eT>
00039   inline static void apply(Mat<eT>& out, const Glue< Glue< Mat<eT>,Mat<eT>,glue_minus>, Mat<eT>, glue_minus>& X);
00040   
00041   template<typename T1, typename T2>
00042   inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_minus>& X);
00043 
00044   
00045   // mat, inplace
00046   
00047   template<typename eT>
00048   inline static void apply_inplace(Mat<eT>& out, const Mat<eT>& B);
00049   
00050   template<typename T1, typename op_type>
00051   inline static void apply_inplace(Mat<typename T1::elem_type>& out, const Op<T1, op_type>& X);
00052   
00053   template<typename T1, typename T2, typename glue_type>
00054   inline static void apply_inplace(Mat<typename T1::elem_type>& out, const Glue<T1, T2, glue_type>& X);
00055   
00056   
00057   // matrix subtraction with different element types
00058   
00059   template<typename eT1, typename eT2>
00060   inline static void apply_mixed(Mat<typename promote_type<eT1,eT2>::result>& out, const Mat<eT1>& X, const Mat<eT2>& Y);
00061   
00062   };
00063 
00064 
00065 
00066 //! Class for the minus operation, where one of the operands is a diagonal matrix
00067 class glue_minus_diag
00068   {
00069   public:
00070   
00071   template<typename T1, typename T2>
00072   inline static void apply(Mat<typename T1::elem_type>& out, const T1& A, const Op<T2,op_diagmat>& B);
00073   
00074   template<typename T1, typename T2>
00075   inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_diagmat>& A, const T2& B);
00076   
00077   template<typename T1, typename T2>
00078   inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_diagmat>& A, const Op<T2,op_diagmat>& B);
00079   
00080   //
00081   
00082   template<typename T1, typename T2>
00083   inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1, Op<T2,op_diagmat>, glue_minus_diag>& X);
00084   
00085   template<typename T1, typename T2>
00086   inline static void apply(Mat<typename T1::elem_type>& out, const Glue<Op<T1,op_diagmat>, T2, glue_minus_diag>& X);
00087   
00088   template<typename T1, typename T2>
00089   inline static void apply(Mat<typename T1::elem_type>& out, const Glue<Op<T1,op_diagmat>, Op<T2,op_diagmat>, glue_minus_diag>& X);
00090   
00091   
00092   };
00093 
00094 //! @}