Shuto Naruse
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Eurobot2012_Secondary
Eurobot2012_Secondary
Fork of Eurobot_2012_Secondary by
tvmet/Io.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: Io.h,v 1.8 2007-06-23 15:58:58 opetzold Exp $ |
narshu | 1:cc2a9eb0bd55 | 22 | */ |
narshu | 1:cc2a9eb0bd55 | 23 | |
narshu | 1:cc2a9eb0bd55 | 24 | #ifndef TVMET_IO_H |
narshu | 1:cc2a9eb0bd55 | 25 | #define TVMET_IO_H |
narshu | 1:cc2a9eb0bd55 | 26 | |
narshu | 1:cc2a9eb0bd55 | 27 | namespace tvmet { |
narshu | 1:cc2a9eb0bd55 | 28 | |
narshu | 1:cc2a9eb0bd55 | 29 | /** |
narshu | 1:cc2a9eb0bd55 | 30 | * \class IoPrintHelper Io.h "tvmet/Io.h" |
narshu | 1:cc2a9eb0bd55 | 31 | * \brief Determines the number of digits regarding the sign of the |
narshu | 1:cc2a9eb0bd55 | 32 | * container. |
narshu | 1:cc2a9eb0bd55 | 33 | * This class is nesessary due to the complex type and the |
narshu | 1:cc2a9eb0bd55 | 34 | * function min(), which are not defined for this type. |
narshu | 1:cc2a9eb0bd55 | 35 | * So we have to dispatch between pod and complex types |
narshu | 1:cc2a9eb0bd55 | 36 | * to get an information about the extra space for signs. |
narshu | 1:cc2a9eb0bd55 | 37 | */ |
narshu | 1:cc2a9eb0bd55 | 38 | template<class C> |
narshu | 1:cc2a9eb0bd55 | 39 | class IoPrintHelper { |
narshu | 1:cc2a9eb0bd55 | 40 | IoPrintHelper(); |
narshu | 1:cc2a9eb0bd55 | 41 | IoPrintHelper(const IoPrintHelper&); |
narshu | 1:cc2a9eb0bd55 | 42 | IoPrintHelper& operator=(const IoPrintHelper&); |
narshu | 1:cc2a9eb0bd55 | 43 | |
narshu | 1:cc2a9eb0bd55 | 44 | private: |
narshu | 1:cc2a9eb0bd55 | 45 | static std::streamsize width(const C& e) { |
narshu | 1:cc2a9eb0bd55 | 46 | std::streamsize w = static_cast<std::streamsize>(std::log10(max(abs(e)))+1); |
narshu | 1:cc2a9eb0bd55 | 47 | return w > 0 ? w : 0; |
narshu | 1:cc2a9eb0bd55 | 48 | } |
narshu | 1:cc2a9eb0bd55 | 49 | |
narshu | 1:cc2a9eb0bd55 | 50 | public: |
narshu | 1:cc2a9eb0bd55 | 51 | static std::streamsize width(dispatch<true>, const C& e) { |
narshu | 1:cc2a9eb0bd55 | 52 | return width(e); |
narshu | 1:cc2a9eb0bd55 | 53 | } |
narshu | 1:cc2a9eb0bd55 | 54 | static std::streamsize width(dispatch<false>, const C& e) { |
narshu | 1:cc2a9eb0bd55 | 55 | std::streamsize w = width(e); |
narshu | 1:cc2a9eb0bd55 | 56 | if(min(e) < 0) return w+1; |
narshu | 1:cc2a9eb0bd55 | 57 | else return w; |
narshu | 1:cc2a9eb0bd55 | 58 | } |
narshu | 1:cc2a9eb0bd55 | 59 | }; |
narshu | 1:cc2a9eb0bd55 | 60 | |
narshu | 1:cc2a9eb0bd55 | 61 | |
narshu | 1:cc2a9eb0bd55 | 62 | } |
narshu | 1:cc2a9eb0bd55 | 63 | |
narshu | 1:cc2a9eb0bd55 | 64 | #endif /* TVMET_IO_H */ |
narshu | 1:cc2a9eb0bd55 | 65 | |
narshu | 1:cc2a9eb0bd55 | 66 | // Local Variables: |
narshu | 1:cc2a9eb0bd55 | 67 | // mode:C++ |
narshu | 1:cc2a9eb0bd55 | 68 | // tab-width:8 |
narshu | 1:cc2a9eb0bd55 | 69 | // End: |