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2014 Eurobot fork

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tvmet/xpr/MatrixTranspose.h@15:9c5aaeda36dc, 2013-04-06 (annotated)

Committer:
madcowswe
Date:
Sat Apr 06 20:57:54 2013 +0000
Revision:
15:9c5aaeda36dc
Encoders fairly tuned, still has random noise in it

Who changed what in which revision?

UserRevisionLine numberNew contents of line
madcowswe 15:9c5aaeda36dc 1 /*
madcowswe 15:9c5aaeda36dc 2 * Tiny Vector Matrix Library
madcowswe 15:9c5aaeda36dc 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
madcowswe 15:9c5aaeda36dc 4 *
madcowswe 15:9c5aaeda36dc 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
madcowswe 15:9c5aaeda36dc 6 *
madcowswe 15:9c5aaeda36dc 7 * This library is free software; you can redistribute it and/or
madcowswe 15:9c5aaeda36dc 8 * modify it under the terms of the GNU lesser General Public
madcowswe 15:9c5aaeda36dc 9 * License as published by the Free Software Foundation; either
madcowswe 15:9c5aaeda36dc 10 * version 2.1 of the License, or (at your option) any later version.
madcowswe 15:9c5aaeda36dc 11 *
madcowswe 15:9c5aaeda36dc 12 * This library is distributed in the hope that it will be useful,
madcowswe 15:9c5aaeda36dc 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
madcowswe 15:9c5aaeda36dc 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
madcowswe 15:9c5aaeda36dc 15 * lesser General Public License for more details.
madcowswe 15:9c5aaeda36dc 16 *
madcowswe 15:9c5aaeda36dc 17 * You should have received a copy of the GNU lesser General Public
madcowswe 15:9c5aaeda36dc 18 * License along with this library; if not, write to the Free Software
madcowswe 15:9c5aaeda36dc 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
madcowswe 15:9c5aaeda36dc 20 *
madcowswe 15:9c5aaeda36dc 21 * $Id: MatrixTranspose.h,v 1.15 2007-06-23 15:59:00 opetzold Exp $
madcowswe 15:9c5aaeda36dc 22 */
madcowswe 15:9c5aaeda36dc 23
madcowswe 15:9c5aaeda36dc 24 #ifndef TVMET_XPR_MATRIX_TRANSPOSE_H
madcowswe 15:9c5aaeda36dc 25 #define TVMET_XPR_MATRIX_TRANSPOSE_H
madcowswe 15:9c5aaeda36dc 26
madcowswe 15:9c5aaeda36dc 27 namespace tvmet {
madcowswe 15:9c5aaeda36dc 28
madcowswe 15:9c5aaeda36dc 29
madcowswe 15:9c5aaeda36dc 30 /**
madcowswe 15:9c5aaeda36dc 31 * \class XprMatrixTranspose MatrixTranspose.h "tvmet/xpr/MatrixTranspose.h"
madcowswe 15:9c5aaeda36dc 32 * \brief Expression for transpose matrix
madcowswe 15:9c5aaeda36dc 33 */
madcowswe 15:9c5aaeda36dc 34 template<class E>
madcowswe 15:9c5aaeda36dc 35 class XprMatrixTranspose
madcowswe 15:9c5aaeda36dc 36 : public TvmetBase< XprMatrixTranspose<E> >
madcowswe 15:9c5aaeda36dc 37 {
madcowswe 15:9c5aaeda36dc 38 XprMatrixTranspose();
madcowswe 15:9c5aaeda36dc 39 XprMatrixTranspose& operator=(const XprMatrixTranspose&);
madcowswe 15:9c5aaeda36dc 40
madcowswe 15:9c5aaeda36dc 41 public:
madcowswe 15:9c5aaeda36dc 42 typedef typename E::value_type value_type;
madcowswe 15:9c5aaeda36dc 43
madcowswe 15:9c5aaeda36dc 44 /** Complexity counter. */
madcowswe 15:9c5aaeda36dc 45 enum {
madcowswe 15:9c5aaeda36dc 46 ops_expr = E::ops,
madcowswe 15:9c5aaeda36dc 47 ops = 1 * ops_expr
madcowswe 15:9c5aaeda36dc 48 };
madcowswe 15:9c5aaeda36dc 49
madcowswe 15:9c5aaeda36dc 50 public:
madcowswe 15:9c5aaeda36dc 51 /** Constructor. */
madcowswe 15:9c5aaeda36dc 52 explicit XprMatrixTranspose(const E& e)
madcowswe 15:9c5aaeda36dc 53 : m_expr(e)
madcowswe 15:9c5aaeda36dc 54 { }
madcowswe 15:9c5aaeda36dc 55
madcowswe 15:9c5aaeda36dc 56 /** Copy Constructor. Not explicit! */
madcowswe 15:9c5aaeda36dc 57 #if defined(TVMET_OPTIMIZE_XPR_MANUAL_CCTOR)
madcowswe 15:9c5aaeda36dc 58 XprMatrixTranspose(const XprMatrixTranspose& e)
madcowswe 15:9c5aaeda36dc 59 : m_expr(e.m_expr)
madcowswe 15:9c5aaeda36dc 60 { }
madcowswe 15:9c5aaeda36dc 61 #endif
madcowswe 15:9c5aaeda36dc 62
madcowswe 15:9c5aaeda36dc 63 /** index operator for arrays/matrices. This simple swap the index
madcowswe 15:9c5aaeda36dc 64 access for transpose. */
madcowswe 15:9c5aaeda36dc 65 value_type operator()(std::size_t i, std::size_t j) const { return m_expr(j, i); }
madcowswe 15:9c5aaeda36dc 66
madcowswe 15:9c5aaeda36dc 67 public: // debugging Xpr parse tree
madcowswe 15:9c5aaeda36dc 68 void print_xpr(std::ostream& os, std::size_t l=0) const {
madcowswe 15:9c5aaeda36dc 69 os << IndentLevel(l++)
madcowswe 15:9c5aaeda36dc 70 << "XprMatrixTranspose[O=" << ops << ", (O=" << ops_expr << ")]<"
madcowswe 15:9c5aaeda36dc 71 << std::endl;
madcowswe 15:9c5aaeda36dc 72 m_expr.print_xpr(os, l);
madcowswe 15:9c5aaeda36dc 73 os << IndentLevel(--l)
madcowswe 15:9c5aaeda36dc 74 << ">," << std::endl;
madcowswe 15:9c5aaeda36dc 75 }
madcowswe 15:9c5aaeda36dc 76
madcowswe 15:9c5aaeda36dc 77 private:
madcowswe 15:9c5aaeda36dc 78 const E m_expr;
madcowswe 15:9c5aaeda36dc 79 };
madcowswe 15:9c5aaeda36dc 80
madcowswe 15:9c5aaeda36dc 81
madcowswe 15:9c5aaeda36dc 82 } // namespace tvmet
madcowswe 15:9c5aaeda36dc 83
madcowswe 15:9c5aaeda36dc 84 #endif // TVMET_XPR_MATRIX_TRANSPOSE_H
madcowswe 15:9c5aaeda36dc 85
madcowswe 15:9c5aaeda36dc 86 // Local Variables:
madcowswe 15:9c5aaeda36dc 87 // mode:C++
madcowswe 15:9c5aaeda36dc 88 // tab-width:8
madcowswe 15:9c5aaeda36dc 89 // End: