Cooper Liu / Mbed 2 deprecated Eurobot2013_Co-Processor

working version with calibration done

Fork of Eurobot2013 by Oskar Weigl

tvmet/util/Random.h@11:5ba926692210, 2013-04-09 (annotated)

Committer:
xiaxia686
Date:
Tue Apr 09 15:32:47 2013 +0000
Revision:
11:5ba926692210
Parent:
1:6799c07fe510 
woking version (calibrated)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sv 1:6799c07fe510 1 /*
sv 1:6799c07fe510 2 * Tiny Vector Matrix Library
sv 1:6799c07fe510 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
sv 1:6799c07fe510 4 *
sv 1:6799c07fe510 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
sv 1:6799c07fe510 6 *
sv 1:6799c07fe510 7 * This library is free software; you can redistribute it and/or
sv 1:6799c07fe510 8 * modify it under the terms of the GNU Lesser General Public
sv 1:6799c07fe510 9 * License as published by the Free Software Foundation; either
sv 1:6799c07fe510 10 * version 2.1 of the License, or (at your option) any later version.
sv 1:6799c07fe510 11 *
sv 1:6799c07fe510 12 * This library is distributed in the hope that it will be useful,
sv 1:6799c07fe510 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
sv 1:6799c07fe510 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
sv 1:6799c07fe510 15 * Lesser General Public License for more details.
sv 1:6799c07fe510 16 *
sv 1:6799c07fe510 17 * You should have received a copy of the GNU Lesser General Public
sv 1:6799c07fe510 18 * License along with this library; if not, write to the Free Software
sv 1:6799c07fe510 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
sv 1:6799c07fe510 20 *
sv 1:6799c07fe510 21 * $Id: Random.h,v 1.7 2007-06-23 15:58:59 opetzold Exp $
sv 1:6799c07fe510 22 */
sv 1:6799c07fe510 23
sv 1:6799c07fe510 24 #ifndef TVMET_UTIL_RANDOM_H
sv 1:6799c07fe510 25 #define TVMET_UTIL_RANDOM_H
sv 1:6799c07fe510 26
sv 1:6799c07fe510 27 #include <tvmet/CompileTimeError.h>
sv 1:6799c07fe510 28
sv 1:6799c07fe510 29 namespace tvmet {
sv 1:6799c07fe510 30
sv 1:6799c07fe510 31 namespace util {
sv 1:6799c07fe510 32
sv 1:6799c07fe510 33
sv 1:6799c07fe510 34 /**
sv 1:6799c07fe510 35 * \class Random Random.h "tvmet/util/Random.h"
sv 1:6799c07fe510 36 * \brief A simple random class.
sv 1:6799c07fe510 37 * On each access this class returns a new random number using
sv 1:6799c07fe510 38 * std::rand(). The range generated is templated by MIN and
sv 1:6799c07fe510 39 * MAX.
sv 1:6799c07fe510 40 * \ingroup _util_function
sv 1:6799c07fe510 41 *
sv 1:6799c07fe510 42 * \par Example:
sv 1:6799c07fe510 43 * \code
sv 1:6799c07fe510 44 * #include <algorithm>
sv 1:6799c07fe510 45 *
sv 1:6799c07fe510 46 * tvmet::Random<int, 0, 100> random;
sv 1:6799c07fe510 47 *
sv 1:6799c07fe510 48 * std::generate(m1.begin(), m1.end(), random());
sv 1:6799c07fe510 49 * \endcode
sv 1:6799c07fe510 50 */
sv 1:6799c07fe510 51 template<class T, int MIN=0, int MAX=100>
sv 1:6799c07fe510 52 class Random {
sv 1:6799c07fe510 53 static unsigned int s_seed;
sv 1:6799c07fe510 54 public:
sv 1:6799c07fe510 55 typedef T value_type;
sv 1:6799c07fe510 56 Random() { TVMET_CT_CONDITION(MIN<MAX, wrong_random_range) }
sv 1:6799c07fe510 57 value_type operator()() {
sv 1:6799c07fe510 58 s_seed += (unsigned)std::time(0);
sv 1:6799c07fe510 59 std::srand(s_seed);
sv 1:6799c07fe510 60 return MIN + int(double(MAX) * std::rand()/(double(RAND_MAX)+1.0));
sv 1:6799c07fe510 61 }
sv 1:6799c07fe510 62 };
sv 1:6799c07fe510 63 // instance
sv 1:6799c07fe510 64 template<class T, int MIN, int MAX>
sv 1:6799c07fe510 65 unsigned int Random<T, MIN, MAX>::s_seed;
sv 1:6799c07fe510 66
sv 1:6799c07fe510 67
sv 1:6799c07fe510 68 #if defined(TVMET_HAVE_COMPLEX)
sv 1:6799c07fe510 69 /**
sv 1:6799c07fe510 70 * \class Random< std::complex<T> > Random.h "tvmet/util/Random.h"
sv 1:6799c07fe510 71 * \brief Specialized Random class.
sv 1:6799c07fe510 72 * \ingroup _util_function
sv 1:6799c07fe510 73 */
sv 1:6799c07fe510 74 template<class T, int MIN=0, int MAX=100>
sv 1:6799c07fe510 75 class Random {
sv 1:6799c07fe510 76 static unsigned int s_seed;
sv 1:6799c07fe510 77 public:
sv 1:6799c07fe510 78 typedef std::complex<T> value_type;
sv 1:6799c07fe510 79 Random() { TVMET_CT_CONDITION(MIN<MAX, wrong_random_range) }
sv 1:6799c07fe510 80 value_type operator()() {
sv 1:6799c07fe510 81 s_seed += (unsigned)std::time(0);
sv 1:6799c07fe510 82 std::srand(s_seed);
sv 1:6799c07fe510 83 return MIN + int(double(MAX) * std::rand()/(double(RAND_MAX)+1.0));
sv 1:6799c07fe510 84 }
sv 1:6799c07fe510 85 };
sv 1:6799c07fe510 86 // instance
sv 1:6799c07fe510 87 template<class T, int MIN, int MAX>
sv 1:6799c07fe510 88 unsigned int Random<std::complex<T>, MIN, MAX>::s_seed;
sv 1:6799c07fe510 89 #endif // defined(TVMET_HAVE_COMPLEX)
sv 1:6799c07fe510 90
sv 1:6799c07fe510 91
sv 1:6799c07fe510 92 } // namespace util
sv 1:6799c07fe510 93
sv 1:6799c07fe510 94 } // namespace tvmet
sv 1:6799c07fe510 95
sv 1:6799c07fe510 96 #endif // TVMET_UTIL_RANDOM_H
sv 1:6799c07fe510 97
sv 1:6799c07fe510 98 // Local Variables:
sv 1:6799c07fe510 99 // mode:C++
sv 1:6799c07fe510 100 // tab-width:8
sv 1:6799c07fe510 101 // End: