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37bd64b496
math. Now the user has to define himself EIGEN_USE_COMPLEX if he wants complex support. Remove TVMET_OPTIMIZE. More cleanup.
91 lines
2.3 KiB
C++
91 lines
2.3 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: Incrementor.h,v 1.3 2004/09/16 09:14:18 opetzold Exp $
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*/
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#ifndef TVMET_UTIL_INCREMENTOR_H
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#define TVMET_UTIL_INCREMENTOR_H
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namespace tvmet {
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namespace util {
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/**
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* \class Incrementor Incrementor.h "tvmet/util/Incrementor.h"
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* \brief A simple incrementor class.
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* The start value is given at construction time. After
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* each access the class increments the internal counter.
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* \ingroup _util_function
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*
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* \par Example:
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* \code
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* #include <algorithm>
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*
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* using namespace tvmet;
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*
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* ...
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*
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* std::generate(m1.begin(), m1.end(),
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* util::Incrementor<typename matrix_type::value_type>());
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* \endcode
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*/
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template<class T>
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struct Incrementor
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{
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Incrementor(T start=0) : m_inc(start) { }
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T operator()() { m_inc+=1; return m_inc; }
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private:
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T m_inc;
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};
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#if defined(EIGEN_USE_COMPLEX)
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/**
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* \class Incrementor< std::complex<T> > Incrementor.h "tvmet/util/Incrementor.h"
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* \brief Specialized Incrementor class.
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* \ingroup _util_function
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*/
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template<class T>
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struct Incrementor< std::complex<T> > {
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Incrementor(const std::complex<T>& start=0)
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: m_inc(start) { }
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std::complex<T> operator()() {
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m_inc += std::complex<T>(1,1);
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return m_inc;
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}
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private:
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std::complex<T> m_inc;
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};
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#endif // defined(EIGEN_USE_COMPLEX)
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} // namespace util
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} // namespace tvmet
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#endif // TVMET_UTIL_INCREMENTOR_H
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// Local Variables:
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// mode:C++
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// End:
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