Shuto Naruse / Mbed 2 deprecated Eurobot2012_Secondary

Eurobot2012_Secondary

Fork of Eurobot_2012_Secondary by Shuto Naruse

tvmet/xpr/MatrixCol.h@1:cc2a9eb0bd55, 2012-10-17 (annotated)

Committer:
narshu
Date:
Wed Oct 17 22:25:31 2012 +0000
Revision:
1:cc2a9eb0bd55
Commit before publishing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
narshu 1:cc2a9eb0bd55 1 /*
narshu 1:cc2a9eb0bd55 2 * Tiny Vector Matrix Library
narshu 1:cc2a9eb0bd55 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
narshu 1:cc2a9eb0bd55 4 *
narshu 1:cc2a9eb0bd55 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
narshu 1:cc2a9eb0bd55 6 *
narshu 1:cc2a9eb0bd55 7 * This library is free software; you can redistribute it and/or
narshu 1:cc2a9eb0bd55 8 * modify it under the terms of the GNU lesser General Public
narshu 1:cc2a9eb0bd55 9 * License as published by the Free Software Foundation; either
narshu 1:cc2a9eb0bd55 10 * version 2.1 of the License, or (at your option) any later version.
narshu 1:cc2a9eb0bd55 11 *
narshu 1:cc2a9eb0bd55 12 * This library is distributed in the hope that it will be useful,
narshu 1:cc2a9eb0bd55 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
narshu 1:cc2a9eb0bd55 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
narshu 1:cc2a9eb0bd55 15 * lesser General Public License for more details.
narshu 1:cc2a9eb0bd55 16 *
narshu 1:cc2a9eb0bd55 17 * You should have received a copy of the GNU lesser General Public
narshu 1:cc2a9eb0bd55 18 * License along with this library; if not, write to the Free Software
narshu 1:cc2a9eb0bd55 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
narshu 1:cc2a9eb0bd55 20 *
narshu 1:cc2a9eb0bd55 21 * $Id: MatrixCol.h,v 1.19 2007-06-23 15:59:00 opetzold Exp $
narshu 1:cc2a9eb0bd55 22 */
narshu 1:cc2a9eb0bd55 23
narshu 1:cc2a9eb0bd55 24 #ifndef TVMET_XPR_MATRIX_COL_H
narshu 1:cc2a9eb0bd55 25 #define TVMET_XPR_MATRIX_COL_H
narshu 1:cc2a9eb0bd55 26
narshu 1:cc2a9eb0bd55 27 namespace tvmet {
narshu 1:cc2a9eb0bd55 28
narshu 1:cc2a9eb0bd55 29
narshu 1:cc2a9eb0bd55 30 /**
narshu 1:cc2a9eb0bd55 31 * \class XprMatrixCol MatrixCol.h "tvmet/xpr/MatrixCol.h"
narshu 1:cc2a9eb0bd55 32 * \brief Expression on matrix used for access on the column vector.
narshu 1:cc2a9eb0bd55 33 */
narshu 1:cc2a9eb0bd55 34 template<class E, std::size_t Rows, std::size_t Cols>
narshu 1:cc2a9eb0bd55 35 class XprMatrixCol
narshu 1:cc2a9eb0bd55 36 : public TvmetBase< XprMatrixCol<E, Rows, Cols> >
narshu 1:cc2a9eb0bd55 37 {
narshu 1:cc2a9eb0bd55 38 XprMatrixCol();
narshu 1:cc2a9eb0bd55 39 XprMatrixCol& operator=(const XprMatrixCol&);
narshu 1:cc2a9eb0bd55 40
narshu 1:cc2a9eb0bd55 41 public:
narshu 1:cc2a9eb0bd55 42 typedef typename E::value_type value_type;
narshu 1:cc2a9eb0bd55 43
narshu 1:cc2a9eb0bd55 44 public:
narshu 1:cc2a9eb0bd55 45 /** Complexity counter. */
narshu 1:cc2a9eb0bd55 46 enum {
narshu 1:cc2a9eb0bd55 47 ops_expr = E::ops,
narshu 1:cc2a9eb0bd55 48 ops = ops_expr/Cols // equal Row accesses
narshu 1:cc2a9eb0bd55 49 };
narshu 1:cc2a9eb0bd55 50
narshu 1:cc2a9eb0bd55 51 public:
narshu 1:cc2a9eb0bd55 52 /** Constructor. */
narshu 1:cc2a9eb0bd55 53 explicit XprMatrixCol(const E& e, std::size_t no)
narshu 1:cc2a9eb0bd55 54 : m_expr(e), m_col(no)
narshu 1:cc2a9eb0bd55 55 {
narshu 1:cc2a9eb0bd55 56 TVMET_RT_CONDITION(no < Cols, "XprMatrixCol Bounce Violation")
narshu 1:cc2a9eb0bd55 57 }
narshu 1:cc2a9eb0bd55 58
narshu 1:cc2a9eb0bd55 59 /** Copy Constructor. Not explicit! */
narshu 1:cc2a9eb0bd55 60 #if defined(TVMET_OPTIMIZE_XPR_MANUAL_CCTOR)
narshu 1:cc2a9eb0bd55 61 XprMatrixCol(const XprMatrixCol& e)
narshu 1:cc2a9eb0bd55 62 : m_expr(e.m_expr), m_col(e.m_col)
narshu 1:cc2a9eb0bd55 63 { }
narshu 1:cc2a9eb0bd55 64 #endif
narshu 1:cc2a9eb0bd55 65
narshu 1:cc2a9eb0bd55 66 value_type operator()(std::size_t i) const {
narshu 1:cc2a9eb0bd55 67 TVMET_RT_CONDITION(i < Rows, "XprMatrixCol Bounce Violation")
narshu 1:cc2a9eb0bd55 68 return m_expr(i, m_col);
narshu 1:cc2a9eb0bd55 69 }
narshu 1:cc2a9eb0bd55 70
narshu 1:cc2a9eb0bd55 71 public: // debugging Xpr parse tree
narshu 1:cc2a9eb0bd55 72 void print_xpr(std::ostream& os, std::size_t l=0) const {
narshu 1:cc2a9eb0bd55 73 os << IndentLevel(l++)
narshu 1:cc2a9eb0bd55 74 << "XprMatrixCol[O=" << ops << ", (O=" << ops_expr << ")]<"
narshu 1:cc2a9eb0bd55 75 << std::endl;
narshu 1:cc2a9eb0bd55 76 m_expr.print_xpr(os, l);
narshu 1:cc2a9eb0bd55 77 os << IndentLevel(l)
narshu 1:cc2a9eb0bd55 78 << "R=" << Rows << ", C=" << Cols << std::endl
narshu 1:cc2a9eb0bd55 79 << IndentLevel(--l) << ">"
narshu 1:cc2a9eb0bd55 80 << ((l != 0) ? "," : "") << std::endl;
narshu 1:cc2a9eb0bd55 81 }
narshu 1:cc2a9eb0bd55 82
narshu 1:cc2a9eb0bd55 83 private:
narshu 1:cc2a9eb0bd55 84 const E m_expr;
narshu 1:cc2a9eb0bd55 85 const std::size_t m_col;
narshu 1:cc2a9eb0bd55 86 };
narshu 1:cc2a9eb0bd55 87
narshu 1:cc2a9eb0bd55 88
narshu 1:cc2a9eb0bd55 89 }
narshu 1:cc2a9eb0bd55 90
narshu 1:cc2a9eb0bd55 91 #endif // TVMET_XPR_MATRIX_COL_H
narshu 1:cc2a9eb0bd55 92
narshu 1:cc2a9eb0bd55 93 // Local Variables:
narshu 1:cc2a9eb0bd55 94 // mode:C++
narshu 1:cc2a9eb0bd55 95 // tab-width:8
narshu 1:cc2a9eb0bd55 96 // End: