6d749c172a
The size_t type means a number of _bytes_, and it was misused as counting e.g. the number of rows/columns in a matrix. Moreover, it is unsigned, which can give strange bugs if a signed/unsigned mismatch occurs.
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/*
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* Tiny Vector Matrix Library
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* Dense Vector Matrix Libary of Tiny size using Expression Templates
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*
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* Copyright (C) 2001 - 2003 Olaf Petzold <opetzold@users.sourceforge.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* lesser General Public License for more details.
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*
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* You should have received a copy of the GNU lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: MatrixTranspose.h,v 1.11 2004/06/10 16:36:55 opetzold Exp $
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*/
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#ifndef TVMET_XPR_MATRIX_TRANSPOSE_H
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#define TVMET_XPR_MATRIX_TRANSPOSE_H
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namespace tvmet {
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/**
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* \class XprMatrixTranspose MatrixTranspose.h "tvmet/xpr/MatrixTranspose.h"
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* \brief Expression for transpose matrix
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*/
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template<class E>
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class XprMatrixTranspose
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: public TvmetBase< XprMatrixTranspose<E> >
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{
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XprMatrixTranspose();
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XprMatrixTranspose& operator=(const XprMatrixTranspose&);
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public:
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typedef typename E::value_type value_type;
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/** Complexity counter. */
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enum {
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ops_expr = E::ops,
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ops = 1 * ops_expr
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};
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public:
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/** Constructor. */
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explicit XprMatrixTranspose(const E& e)
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: m_expr(e)
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{ }
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/** Copy Constructor. Not explicit! */
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#if defined(TVMET_OPTIMIZE_XPR_MANUAL_CCTOR)
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XprMatrixTranspose(const XprMatrixTranspose& e)
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: m_expr(e.m_expr)
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{ }
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#endif
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/** index operator for arrays/matrices. This simple swap the index
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access for transpose. */
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value_type operator()(int i, int j) const { return m_expr(j, i); }
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public: // debugging Xpr parse tree
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void print_xpr(std::ostream& os, int l=0) const {
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os << IndentLevel(l++)
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<< "XprMatrixTranspose[O=" << ops << ", (O=" << ops_expr << ")]<"
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<< std::endl;
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m_expr.print_xpr(os, l);
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os << IndentLevel(--l)
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<< ">," << std::endl;
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}
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private:
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const E m_expr;
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};
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} // namespace tvmet
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#endif // TVMET_XPR_MATRIX_TRANSPOSE_H
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// Local Variables:
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// mode:C++
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// End:
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