Mercurial > hg > segmenter-vamp-plugin
diff armadillo-2.4.4/include/armadillo_bits/glue_times_bones.hpp @ 0:8b6102e2a9b0
Armadillo Library
author | maxzanoni76 <max.zanoni@eecs.qmul.ac.uk> |
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date | Wed, 11 Apr 2012 09:27:06 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/armadillo-2.4.4/include/armadillo_bits/glue_times_bones.hpp Wed Apr 11 09:27:06 2012 +0100 @@ -0,0 +1,111 @@ +// 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); + + }; + + + +//! @} +