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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.
102 lines
2.6 KiB
C++
102 lines
2.6 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: TvmetBase.h,v 1.11 2004/06/10 16:36:55 opetzold Exp $
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*/
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#ifndef TVMET_BASE_H
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#define TVMET_BASE_H
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#include <iosfwd> // io streams forward declaration
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#include <typeinfo> // rtti: used by Xpr.h level printing
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#include <cmath> // unary and binary math
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#include <cstdlib> // labs
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namespace tvmet {
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/**
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* \class TvmetBase TvmetBase.h "tvmet/TvmetBase.h"
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* \brief Base class
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* Used for static polymorph call of print_xpr
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*/
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template<class E> class TvmetBase { };
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/**
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* \class IndentLevel TvmetBase.h "tvmet/TvmetBase.h"
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* \brief Prints the level indent.
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*/
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class IndentLevel : public TvmetBase< IndentLevel >
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{
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public:
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IndentLevel(int level) : m_level(level) { }
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std::ostream& print_xpr(std::ostream& os) const {
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for(int i = 0; i != m_level; ++i) os << " ";
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return os;
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}
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private:
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int m_level;
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};
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/**
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* \fn operator<<(std::ostream& os, const TvmetBase<E>& e)
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* \brief overloaded ostream operator using static polymorphic.
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* \ingroup _binary_operator
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*/
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template<class E>
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inline
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std::ostream& operator<<(std::ostream& os, const TvmetBase<E>& e) {
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static_cast<const E&>(e).print_xpr(os);
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return os;
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}
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/**
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* \class dispatch TvmetBase.h "tvmet/TvmetBase.h"
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* \brief Class helper to distuingish between e.g. meta
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* and loop strategy used.
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*/
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template<bool> struct dispatch;
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/**
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* \class dispatch<true> TvmetBase.h "tvmet/TvmetBase.h"
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* \brief specialized.
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*/
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template<> struct dispatch<true> { };
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/**
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* \class dispatch<false> TvmetBase.h "tvmet/TvmetBase.h"
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* \brief specialized.
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*/
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template<> struct dispatch<false> { };
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} // namespace tvmet
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#endif // TVMET_BASE_H
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// Local Variables:
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// mode:C++
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// End:
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