max@0: // Copyright (C) 2008-2010 NICTA (www.nicta.com.au)
max@0: // Copyright (C) 2008-2010 Conrad Sanderson
max@0: // 
max@0: // This file is part of the Armadillo C++ library.
max@0: // It is provided without any warranty of fitness
max@0: // for any purpose. You can redistribute this file
max@0: // and/or modify it under the terms of the GNU
max@0: // Lesser General Public License (LGPL) as published
max@0: // by the Free Software Foundation, either version 3
max@0: // of the License or (at your option) any later version.
max@0: // (see http://www.opensource.org/licenses for more info)
max@0: 
max@0: 
max@0: //! \addtogroup glue_times
max@0: //! @{
max@0: 
max@0: 
max@0: 
max@0: //! \brief
max@0: //! Template metaprogram depth_lhs
max@0: //! calculates the number of Glue<Tx,Ty, glue_type> instances on the left hand side argument of Glue<Tx,Ty, glue_type>
max@0: //! i.e. it recursively expands each Tx, until the type of Tx is not "Glue<..,.., glue_type>"  (i.e the "glue_type" changes)
max@0: 
max@0: template<typename glue_type, typename T1>
max@0: struct depth_lhs
max@0:   {
max@0:   static const uword num = 0;
max@0:   };
max@0: 
max@0: template<typename glue_type, typename T1, typename T2>
max@0: struct depth_lhs< glue_type, Glue<T1,T2,glue_type> >
max@0:   {
max@0:   static const uword num = 1 + depth_lhs<glue_type, T1>::num;
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<uword N>
max@0: struct glue_times_redirect
max@0:   {
max@0:   template<typename T1, typename T2>
max@0:   inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_times>& X);
max@0:   };
max@0: 
max@0: 
max@0: template<>
max@0: struct glue_times_redirect<3>
max@0:   {
max@0:   template<typename T1, typename T2, typename T3>
max@0:   inline static void apply(Mat<typename T1::elem_type>& out, const Glue< Glue<T1,T2,glue_times>,T3,glue_times>& X);
max@0:   };
max@0: 
max@0: 
max@0: template<>
max@0: struct glue_times_redirect<4>
max@0:   {
max@0:   template<typename T1, typename T2, typename T3, typename T4>
max@0:   inline static void apply(Mat<typename T1::elem_type>& out, const Glue< Glue< Glue<T1,T2,glue_times>, T3, glue_times>, T4, glue_times>& X);
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: //! Class which implements the immediate multiplication of two or more matrices
max@0: class glue_times
max@0:   {
max@0:   public:
max@0:   
max@0:   
max@0:   template<typename T1, typename T2>
max@0:   inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_times>& X);
max@0:   
max@0:   
max@0:   template<typename T1>
max@0:   inline static void apply_inplace(Mat<typename T1::elem_type>& out, const T1& X);
max@0:   
max@0:   template<typename T1, typename T2>
max@0:   arma_hot inline static void apply_inplace_plus(Mat<typename T1::elem_type>& out, const Glue<T1, T2, glue_times>& X, const sword sign);
max@0:   
max@0:   template<typename eT1, typename eT2>
max@0:   inline static void apply_mixed(Mat<typename promote_type<eT1,eT2>::result>& out, const Mat<eT1>& X, const Mat<eT2>& Y);
max@0:   
max@0:   
max@0:   template<typename eT>
max@0:   arma_inline static uword  mul_storage_cost(const Mat<eT>& A, const Mat<eT>& B, const bool do_trans_A, const bool do_trans_B);
max@0:   
max@0:   template<typename eT>
max@0:   arma_hot inline static void apply(Mat<eT>& out, const Mat<eT>& A, const Mat<eT>& B, const eT val, const bool do_trans_A, const bool do_trans_B, const bool do_scalar_times);
max@0:   
max@0:   template<typename eT>
max@0:   inline static void apply(Mat<eT>& out, const Mat<eT>& A, const Mat<eT>& B, const Mat<eT>& C, const eT val, const bool do_trans_A, const bool do_trans_B, const bool do_trans_C, const bool do_scalar_times);
max@0:   
max@0:   template<typename eT>
max@0:   inline static void apply(Mat<eT>& out, const Mat<eT>& A, const Mat<eT>& B, const Mat<eT>& C, const Mat<eT>& D, const eT val, const bool do_trans_A, const bool do_trans_B, const bool do_trans_C, const bool do_trans_D, const bool do_scalar_times);
max@0: 
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: class glue_times_diag
max@0:   {
max@0:   public:
max@0:   
max@0:   template<typename T1, typename T2>
max@0:   arma_hot inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1, T2, glue_times_diag>& X);
max@0:   
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: //! @}
max@0: