Shuto Naruse / Mbed 2 deprecated Eurobot2012_Primary

Eurobot2012_Primary

Dependencies:   mbed Eurobot_2012_Primary

tvmet/Io.h@26:0995f61cb7b8, 2012-10-17 (annotated)

Committer:
narshu
Date:
Wed Oct 17 22:22:47 2012 +0000
Revision:
26:0995f61cb7b8
Parent:
25:143b19c1fb05 
Eurobot 2012 Primary;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
narshu 25:143b19c1fb05 1 /*
narshu 25:143b19c1fb05 2 * Tiny Vector Matrix Library
narshu 25:143b19c1fb05 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
narshu 25:143b19c1fb05 4 *
narshu 25:143b19c1fb05 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
narshu 25:143b19c1fb05 6 *
narshu 25:143b19c1fb05 7 * This library is free software; you can redistribute it and/or
narshu 25:143b19c1fb05 8 * modify it under the terms of the GNU Lesser General Public
narshu 25:143b19c1fb05 9 * License as published by the Free Software Foundation; either
narshu 25:143b19c1fb05 10 * version 2.1 of the License, or (at your option) any later version.
narshu 25:143b19c1fb05 11 *
narshu 25:143b19c1fb05 12 * This library is distributed in the hope that it will be useful,
narshu 25:143b19c1fb05 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
narshu 25:143b19c1fb05 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
narshu 25:143b19c1fb05 15 * Lesser General Public License for more details.
narshu 25:143b19c1fb05 16 *
narshu 25:143b19c1fb05 17 * You should have received a copy of the GNU Lesser General Public
narshu 25:143b19c1fb05 18 * License along with this library; if not, write to the Free Software
narshu 25:143b19c1fb05 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
narshu 25:143b19c1fb05 20 *
narshu 25:143b19c1fb05 21 * $Id: Io.h,v 1.8 2007-06-23 15:58:58 opetzold Exp $
narshu 25:143b19c1fb05 22 */
narshu 25:143b19c1fb05 23
narshu 25:143b19c1fb05 24 #ifndef TVMET_IO_H
narshu 25:143b19c1fb05 25 #define TVMET_IO_H
narshu 25:143b19c1fb05 26
narshu 25:143b19c1fb05 27 namespace tvmet {
narshu 25:143b19c1fb05 28
narshu 25:143b19c1fb05 29 /**
narshu 25:143b19c1fb05 30 * \class IoPrintHelper Io.h "tvmet/Io.h"
narshu 25:143b19c1fb05 31 * \brief Determines the number of digits regarding the sign of the
narshu 25:143b19c1fb05 32 * container.
narshu 25:143b19c1fb05 33 * This class is nesessary due to the complex type and the
narshu 25:143b19c1fb05 34 * function min(), which are not defined for this type.
narshu 25:143b19c1fb05 35 * So we have to dispatch between pod and complex types
narshu 25:143b19c1fb05 36 * to get an information about the extra space for signs.
narshu 25:143b19c1fb05 37 */
narshu 25:143b19c1fb05 38 template<class C>
narshu 25:143b19c1fb05 39 class IoPrintHelper {
narshu 25:143b19c1fb05 40 IoPrintHelper();
narshu 25:143b19c1fb05 41 IoPrintHelper(const IoPrintHelper&);
narshu 25:143b19c1fb05 42 IoPrintHelper& operator=(const IoPrintHelper&);
narshu 25:143b19c1fb05 43
narshu 25:143b19c1fb05 44 private:
narshu 25:143b19c1fb05 45 static std::streamsize width(const C& e) {
narshu 25:143b19c1fb05 46 std::streamsize w = static_cast<std::streamsize>(std::log10(max(abs(e)))+1);
narshu 25:143b19c1fb05 47 return w > 0 ? w : 0;
narshu 25:143b19c1fb05 48 }
narshu 25:143b19c1fb05 49
narshu 25:143b19c1fb05 50 public:
narshu 25:143b19c1fb05 51 static std::streamsize width(dispatch<true>, const C& e) {
narshu 25:143b19c1fb05 52 return width(e);
narshu 25:143b19c1fb05 53 }
narshu 25:143b19c1fb05 54 static std::streamsize width(dispatch<false>, const C& e) {
narshu 25:143b19c1fb05 55 std::streamsize w = width(e);
narshu 25:143b19c1fb05 56 if(min(e) < 0) return w+1;
narshu 25:143b19c1fb05 57 else return w;
narshu 25:143b19c1fb05 58 }
narshu 25:143b19c1fb05 59 };
narshu 25:143b19c1fb05 60
narshu 25:143b19c1fb05 61
narshu 25:143b19c1fb05 62 }
narshu 25:143b19c1fb05 63
narshu 25:143b19c1fb05 64 #endif /* TVMET_IO_H */
narshu 25:143b19c1fb05 65
narshu 25:143b19c1fb05 66 // Local Variables:
narshu 25:143b19c1fb05 67 // mode:C++
narshu 25:143b19c1fb05 68 // tab-width:8
narshu 25:143b19c1fb05 69 // End: