/* * Tiny Vector Matrix Library * Dense Vector Matrix Libary of Tiny size using Expression Templates * * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA * * $Id: Gemtv.h,v 1.8 2007-06-23 15:58:59 opetzold Exp $ */#ifndef TVMET_META_GEMTV_H#define TVMET_META_GEMTV_H#include <tvmet/xpr/Null.h>namespace tvmet {namespace meta {/** * \class gemtv Gemtv.h "tvmet/meta/Gemtv.h" * \brief Meta class for matrix-transpose-vector operations. *        using formula *        \f[ *        M^T\,v *        \f] */template<std::size_t Rows, std::size_t Cols,	 std::size_t I>class gemtv{  gemtv();  gemtv(const gemtv&);  gemtv& operator=(const gemtv&);private:  enum {    doIt = I < (Rows-1)  		/**< recursive counter */  };public:  /** Meta template for %Matrix lhs %Vector rhs product. */  template<class E1, class E2>  static inline  typename PromoteTraits<    typename E1::value_type,    typename E2::value_type  >::value_type  prod(const E1& lhs, const E2& rhs, std::size_t j) {    return lhs(I, j) * rhs(I)      + gemtv<Rows * doIt, Cols * doIt,              (I+1)* doIt>::prod(lhs, rhs, j);  }};/** * \class gemtv<0,0,0> Gemtv.h "tvmet/meta/Gemtv.h" * \brief gemtv Specialized for recursion */template<>class gemtv<0,0,0>{  gemtv();  gemtv(const gemtv&);  gemtv& operator=(const gemtv&);public:  template<class E1, class E2>  static inline  XprNull prod(const E1&, const E2&, std::size_t) {    return XprNull();  }};} // namespace meta} // namespace tvmet#endif /* TVMET_META_GEMTV_H */// Local Variables:// mode:C++// tab-width:8// End: