Colour sensors calibrated
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tvmet/xpr/Matrix.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: Matrix.h,v 1.26 2007-06-23 15:59:00 opetzold Exp $ */ #ifndef TVMET_XPR_MATRIX_H #define TVMET_XPR_MATRIX_H #include <tvmet/meta/Matrix.h> #include <tvmet/loop/Matrix.h> namespace tvmet { /* forwards */ template <class T, std::size_t Rows, std::size_t Cols> class Matrix; /** * \class XprMatrix Matrix.h "tvmet/xpr/Matrix.h" * \brief Represents the expression for vectors at any node in the parse tree. * * Specifically, XprMatrix is the class that wraps the expression, and the * expression itself is represented by the template parameter E. The * class XprMatrix is known as an anonymizing expression wrapper because * it can hold any subexpression of arbitrary complexity, allowing * clients to work with any expression by holding on to it via the * wrapper, without having to know the name of the type object that * actually implements the expression. * \note leave the CCtors non-explicit to allow implicit type conversation. */ template<class E, std::size_t NRows, std::size_t NCols> class XprMatrix : public TvmetBase< XprMatrix<E, NRows, NCols> > { XprMatrix(); XprMatrix& operator=(const XprMatrix&); public: /** Dimensions. */ enum { Rows = NRows, /**< Number of rows. */ Cols = NCols, /**< Number of cols. */ Size = Rows * Cols /**< Complete Size of Matrix. */ }; public: /** Complexity counter. */ enum { ops_assign = Rows * Cols, ops = E::ops, use_meta = ops_assign < TVMET_COMPLEXITY_M_ASSIGN_TRIGGER ? true : false }; public: typedef typename E::value_type value_type; public: /** Constructor. */ explicit XprMatrix(const E& e) : m_expr(e) { } /** Copy Constructor. Not explicit! */ #if defined(TVMET_OPTIMIZE_XPR_MANUAL_CCTOR) XprMatrix(const XprMatrix& rhs) : m_expr(rhs.m_expr) { } #endif /** access by index. */ value_type operator()(std::size_t i, std::size_t j) const { TVMET_RT_CONDITION((i < Rows) && (j < Cols), "XprMatrix Bounce Violation") return m_expr(i, j); } private: /** Wrapper for meta assign. */ template<class Dest, class Src, class Assign> static inline void do_assign(dispatch<true>, Dest& dest, const Src& src, const Assign& assign_fn) { meta::Matrix<Rows, Cols, 0, 0>::assign(dest, src, assign_fn); } /** Wrapper for loop assign. */ template<class Dest, class Src, class Assign> static inline void do_assign(dispatch<false>, Dest& dest, const Src& src, const Assign& assign_fn) { loop::Matrix<Rows, Cols>::assign(dest, src, assign_fn); } public: /** assign this expression to Matrix dest. */ template<class Dest, class Assign> void assign_to(Dest& dest, const Assign& assign_fn) const { /* here is a way for caching, since each complex 'Node' is of type XprMatrix. */ do_assign(dispatch<use_meta>(), dest, *this, assign_fn); } public: // debugging Xpr parse tree void print_xpr(std::ostream& os, std::size_t l=0) const { os << IndentLevel(l++) << "XprMatrix[" << (use_meta ? "M" : "L") << ", O=" << ops << "]<" << std::endl; m_expr.print_xpr(os, l); os << IndentLevel(l) << "R=" << Rows << ", C=" << Cols << std::endl; os << IndentLevel(--l) << ">" << ((l != 0) ? "," : "") << std::endl; } private: const E m_expr; }; } // namespace tvmet #include <tvmet/Functional.h> #include <tvmet/xpr/BinOperator.h> #include <tvmet/xpr/UnOperator.h> #include <tvmet/xpr/Literal.h> #include <tvmet/xpr/Identity.h> #include <tvmet/xpr/MMProduct.h> #include <tvmet/xpr/MMProductTransposed.h> #include <tvmet/xpr/MMtProduct.h> #include <tvmet/xpr/MtMProduct.h> #include <tvmet/xpr/MVProduct.h> #include <tvmet/xpr/MtVProduct.h> #include <tvmet/xpr/MatrixTranspose.h> #include <tvmet/xpr/MatrixFunctions.h> #include <tvmet/xpr/MatrixBinaryFunctions.h> #include <tvmet/xpr/MatrixUnaryFunctions.h> #include <tvmet/xpr/MatrixOperators.h> #include <tvmet/xpr/Eval.h> #endif // TVMET_XPR_MATRIX_H // Local Variables: // mode:C++ // tab-width:8 // End: