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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.
69 lines
1.8 KiB
C++
69 lines
1.8 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: Null.h,v 1.7 2003/11/30 18:35:17 opetzold Exp $
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*/
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#ifndef TVMET_XPR_NULL_H
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#define TVMET_XPR_NULL_H
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namespace tvmet {
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/**
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* \class XprNull Null.h "tvmet/xpr/Null.h"
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* \brief Null object design pattern
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*/
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class XprNull
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: public TvmetBase< XprNull >
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{
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XprNull& operator=(const XprNull&);
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public:
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explicit XprNull() { }
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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) << "XprNull[O=0]" << std::endl;
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}
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};
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#define TVMET_BINARY_OPERATOR(OP) \
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template< class T > \
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inline \
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T operator OP (const T& lhs, XprNull) { return lhs; }
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TVMET_BINARY_OPERATOR(+)
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TVMET_BINARY_OPERATOR(-)
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TVMET_BINARY_OPERATOR(*)
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TVMET_BINARY_OPERATOR(/)
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#undef TVMET_BINARY_OPERATOR
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} // namespace tvmet
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#endif // TVMET_XPR_NULL_H
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// Local Variables:
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// mode:C++
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// End:
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