Colour sensors calibrated
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tvmet/xpr/Literal.h
- Committer:
- xiaxia686
- Date:
- 2013-04-12
- Revision:
- 46:adcd57a5e402
- Parent:
- 15:9c5aaeda36dc
File content as of revision 46:adcd57a5e402:
/* * 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: Literal.h,v 1.13 2007-06-23 15:58:59 opetzold Exp $ */ #ifndef TVMET_XPR_LITERAL_H #define TVMET_XPR_LITERAL_H namespace tvmet { /** * \class XprLiteral Literal.h "tvmet/xpr/Literal.h" * \brief Specify literals like scalars into the expression. * This expression is used for vectors and matrices - the * decision is done by the access operator. */ template<class T> class XprLiteral : public TvmetBase< XprLiteral<T> > { XprLiteral(); XprLiteral& operator=(const XprLiteral&); public: typedef T value_type; public: /** Complexity counter. */ enum { ops = 1 }; public: /** Constructor by value for literals . */ explicit XprLiteral(value_type value) : m_data(value) { } /** Copy Constructor. Not explicit! */ #if defined(TVMET_OPTIMIZE_XPR_MANUAL_CCTOR) XprLiteral(const XprLiteral& e) : m_data(e.m_data) { } #endif /** Index operator, gives the value for vectors. */ value_type operator()(std::size_t) const { return m_data; } /** Index operator for arrays/matrices. */ value_type operator()(std::size_t, std::size_t) const { return m_data; } public: // debugging Xpr parse tree void print_xpr(std::ostream& os, std::size_t l=0) const { os << IndentLevel(l++) << "XprLiteral[O=" << ops << "]<T=" << typeid(value_type).name() << ">," << std::endl; } private: const value_type m_data; }; } // namespace tvmet #endif // TVMET_XPR_LITERAL_H // Local Variables: // mode:C++ // tab-width:8 // End: