ICRS Eurobot 2013
Dependencies: mbed mbed-rtos Servo QEI
Diff: tvmet/util/Incrementor.h
- Revision:
- 15:9c5aaeda36dc
diff -r c638d4b9ee94 -r 9c5aaeda36dc tvmet/util/Incrementor.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tvmet/util/Incrementor.h Sat Apr 06 20:57:54 2013 +0000 @@ -0,0 +1,91 @@ +/* + * Tiny Vector Matrix Library + * Dense Vector Matrix Libary of Tiny size using Expression Templates + * + * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: Incrementor.h,v 1.7 2007-06-23 15:58:59 opetzold Exp $ + */ + +#ifndef TVMET_UTIL_INCREMENTOR_H +#define TVMET_UTIL_INCREMENTOR_H + +namespace tvmet { + +namespace util { + + +/** + * \class Incrementor Incrementor.h "tvmet/util/Incrementor.h" + * \brief A simple incrementor class. + * The start value is given at construction time. After + * each access the class increments the internal counter. + * \ingroup _util_function + * + * \par Example: + * \code + * #include <algorithm> + * + * using namespace tvmet; + * + * ... + * + * std::generate(m1.begin(), m1.end(), + * util::Incrementor<typename matrix_type::value_type>()); + * \endcode + */ +template<class T> +struct Incrementor +{ + Incrementor(T start=0) : m_inc(start) { } + T operator()() { m_inc+=1; return m_inc; } + +private: + T m_inc; +}; + + +#if defined(TVMET_HAVE_COMPLEX) +/** + * \class Incrementor< std::complex<T> > Incrementor.h "tvmet/util/Incrementor.h" + * \brief Specialized Incrementor class. + * \ingroup _util_function + */ +template<class T> +struct Incrementor< std::complex<T> > { + Incrementor(const std::complex<T>& start=0) + : m_inc(start) { } + std::complex<T> operator()() { + m_inc += std::complex<T>(1,1); + return m_inc; + } +private: + std::complex<T> m_inc; +}; +#endif // defined(TVMET_HAVE_COMPLEX) + + +} // namespace util + +} // namespace tvmet + +#endif // TVMET_UTIL_INCREMENTOR_H + +// Local Variables: +// mode:C++ +// tab-width:8 +// End: