Shuto Naruse
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Eurobot2012_Secondary
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tvmet/util/Incrementor.h@1:cc2a9eb0bd55, 2012-10-17 (annotated)
- Committer:
- narshu
- Date:
- Wed Oct 17 22:25:31 2012 +0000
- Revision:
- 1:cc2a9eb0bd55
Commit before publishing
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
narshu | 1:cc2a9eb0bd55 | 1 | /* |
narshu | 1:cc2a9eb0bd55 | 2 | * Tiny Vector Matrix Library |
narshu | 1:cc2a9eb0bd55 | 3 | * Dense Vector Matrix Libary of Tiny size using Expression Templates |
narshu | 1:cc2a9eb0bd55 | 4 | * |
narshu | 1:cc2a9eb0bd55 | 5 | * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net> |
narshu | 1:cc2a9eb0bd55 | 6 | * |
narshu | 1:cc2a9eb0bd55 | 7 | * This library is free software; you can redistribute it and/or |
narshu | 1:cc2a9eb0bd55 | 8 | * modify it under the terms of the GNU Lesser General Public |
narshu | 1:cc2a9eb0bd55 | 9 | * License as published by the Free Software Foundation; either |
narshu | 1:cc2a9eb0bd55 | 10 | * version 2.1 of the License, or (at your option) any later version. |
narshu | 1:cc2a9eb0bd55 | 11 | * |
narshu | 1:cc2a9eb0bd55 | 12 | * This library is distributed in the hope that it will be useful, |
narshu | 1:cc2a9eb0bd55 | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
narshu | 1:cc2a9eb0bd55 | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
narshu | 1:cc2a9eb0bd55 | 15 | * Lesser General Public License for more details. |
narshu | 1:cc2a9eb0bd55 | 16 | * |
narshu | 1:cc2a9eb0bd55 | 17 | * You should have received a copy of the GNU Lesser General Public |
narshu | 1:cc2a9eb0bd55 | 18 | * License along with this library; if not, write to the Free Software |
narshu | 1:cc2a9eb0bd55 | 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
narshu | 1:cc2a9eb0bd55 | 20 | * |
narshu | 1:cc2a9eb0bd55 | 21 | * $Id: Incrementor.h,v 1.7 2007-06-23 15:58:59 opetzold Exp $ |
narshu | 1:cc2a9eb0bd55 | 22 | */ |
narshu | 1:cc2a9eb0bd55 | 23 | |
narshu | 1:cc2a9eb0bd55 | 24 | #ifndef TVMET_UTIL_INCREMENTOR_H |
narshu | 1:cc2a9eb0bd55 | 25 | #define TVMET_UTIL_INCREMENTOR_H |
narshu | 1:cc2a9eb0bd55 | 26 | |
narshu | 1:cc2a9eb0bd55 | 27 | namespace tvmet { |
narshu | 1:cc2a9eb0bd55 | 28 | |
narshu | 1:cc2a9eb0bd55 | 29 | namespace util { |
narshu | 1:cc2a9eb0bd55 | 30 | |
narshu | 1:cc2a9eb0bd55 | 31 | |
narshu | 1:cc2a9eb0bd55 | 32 | /** |
narshu | 1:cc2a9eb0bd55 | 33 | * \class Incrementor Incrementor.h "tvmet/util/Incrementor.h" |
narshu | 1:cc2a9eb0bd55 | 34 | * \brief A simple incrementor class. |
narshu | 1:cc2a9eb0bd55 | 35 | * The start value is given at construction time. After |
narshu | 1:cc2a9eb0bd55 | 36 | * each access the class increments the internal counter. |
narshu | 1:cc2a9eb0bd55 | 37 | * \ingroup _util_function |
narshu | 1:cc2a9eb0bd55 | 38 | * |
narshu | 1:cc2a9eb0bd55 | 39 | * \par Example: |
narshu | 1:cc2a9eb0bd55 | 40 | * \code |
narshu | 1:cc2a9eb0bd55 | 41 | * #include <algorithm> |
narshu | 1:cc2a9eb0bd55 | 42 | * |
narshu | 1:cc2a9eb0bd55 | 43 | * using namespace tvmet; |
narshu | 1:cc2a9eb0bd55 | 44 | * |
narshu | 1:cc2a9eb0bd55 | 45 | * ... |
narshu | 1:cc2a9eb0bd55 | 46 | * |
narshu | 1:cc2a9eb0bd55 | 47 | * std::generate(m1.begin(), m1.end(), |
narshu | 1:cc2a9eb0bd55 | 48 | * util::Incrementor<typename matrix_type::value_type>()); |
narshu | 1:cc2a9eb0bd55 | 49 | * \endcode |
narshu | 1:cc2a9eb0bd55 | 50 | */ |
narshu | 1:cc2a9eb0bd55 | 51 | template<class T> |
narshu | 1:cc2a9eb0bd55 | 52 | struct Incrementor |
narshu | 1:cc2a9eb0bd55 | 53 | { |
narshu | 1:cc2a9eb0bd55 | 54 | Incrementor(T start=0) : m_inc(start) { } |
narshu | 1:cc2a9eb0bd55 | 55 | T operator()() { m_inc+=1; return m_inc; } |
narshu | 1:cc2a9eb0bd55 | 56 | |
narshu | 1:cc2a9eb0bd55 | 57 | private: |
narshu | 1:cc2a9eb0bd55 | 58 | T m_inc; |
narshu | 1:cc2a9eb0bd55 | 59 | }; |
narshu | 1:cc2a9eb0bd55 | 60 | |
narshu | 1:cc2a9eb0bd55 | 61 | |
narshu | 1:cc2a9eb0bd55 | 62 | #if defined(TVMET_HAVE_COMPLEX) |
narshu | 1:cc2a9eb0bd55 | 63 | /** |
narshu | 1:cc2a9eb0bd55 | 64 | * \class Incrementor< std::complex<T> > Incrementor.h "tvmet/util/Incrementor.h" |
narshu | 1:cc2a9eb0bd55 | 65 | * \brief Specialized Incrementor class. |
narshu | 1:cc2a9eb0bd55 | 66 | * \ingroup _util_function |
narshu | 1:cc2a9eb0bd55 | 67 | */ |
narshu | 1:cc2a9eb0bd55 | 68 | template<class T> |
narshu | 1:cc2a9eb0bd55 | 69 | struct Incrementor< std::complex<T> > { |
narshu | 1:cc2a9eb0bd55 | 70 | Incrementor(const std::complex<T>& start=0) |
narshu | 1:cc2a9eb0bd55 | 71 | : m_inc(start) { } |
narshu | 1:cc2a9eb0bd55 | 72 | std::complex<T> operator()() { |
narshu | 1:cc2a9eb0bd55 | 73 | m_inc += std::complex<T>(1,1); |
narshu | 1:cc2a9eb0bd55 | 74 | return m_inc; |
narshu | 1:cc2a9eb0bd55 | 75 | } |
narshu | 1:cc2a9eb0bd55 | 76 | private: |
narshu | 1:cc2a9eb0bd55 | 77 | std::complex<T> m_inc; |
narshu | 1:cc2a9eb0bd55 | 78 | }; |
narshu | 1:cc2a9eb0bd55 | 79 | #endif // defined(TVMET_HAVE_COMPLEX) |
narshu | 1:cc2a9eb0bd55 | 80 | |
narshu | 1:cc2a9eb0bd55 | 81 | |
narshu | 1:cc2a9eb0bd55 | 82 | } // namespace util |
narshu | 1:cc2a9eb0bd55 | 83 | |
narshu | 1:cc2a9eb0bd55 | 84 | } // namespace tvmet |
narshu | 1:cc2a9eb0bd55 | 85 | |
narshu | 1:cc2a9eb0bd55 | 86 | #endif // TVMET_UTIL_INCREMENTOR_H |
narshu | 1:cc2a9eb0bd55 | 87 | |
narshu | 1:cc2a9eb0bd55 | 88 | // Local Variables: |
narshu | 1:cc2a9eb0bd55 | 89 | // mode:C++ |
narshu | 1:cc2a9eb0bd55 | 90 | // tab-width:8 |
narshu | 1:cc2a9eb0bd55 | 91 | // End: |