comparison armadillo-2.4.4/include/armadillo_bits/glue_times_bones.hpp @ 0:8b6102e2a9b0

Armadillo Library

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