00001 /*************************************************************************** 00002 ** 00003 ** This file is part of QGpCoreTools. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2009-07-01 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (LGIT, Grenoble, France) 00025 ** 00026 ***************************************************************************/ 00027 00028 #ifndef STATISTICS_H 00029 #define STATISTICS_H 00030 00031 #include "QGpCoreToolsDLLExport.h" 00032 00033 namespace QGpCoreTools { 00034 00035 class QGPCORETOOLS_EXPORT Statistics 00036 { 00037 public: 00038 Statistics(); 00039 00040 void add(double val); 00041 void set(double val); 00042 void reset(); 00043 00044 int count() const {return _count;} 00045 double mean() const; 00046 double stddev() const; 00047 double minimum() const {return _minimum;} 00048 double maximum() const {return _maximum;} 00049 private: 00050 double _sum, _sum2; 00051 double _minimum; 00052 double _maximum; 00053 int _count; 00054 }; 00055 00056 } // namespace QGpCoreTools 00057 00058 #endif // STATISTICS_H
