//
// Copyright (C) 2010
// Fraunhofer Institute for Open Communication Systems (FOKUS)
-// Competence Center NETwork research (NET), St. Augustin, GERMANY
-// Thorsten Horstmann <thorsten.horstmann@fokus.fraunhofer.de>
//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
+// The contents of this file are subject to the Fraunhofer FOKUS Public License
+// Version 1.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+// http://senf.berlios.de/license.html
//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
+// The Fraunhofer FOKUS Public License Version 1.0 is based on,
+// but modifies the Mozilla Public License Version 1.1.
+// See the full license text for the amendments.
//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the
-// Free Software Foundation, Inc.,
-// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+// Software distributed under the License is distributed on an "AS IS" basis,
+// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+// for the specific language governing rights and limitations under the License.
+//
+// The Original Code is Fraunhofer FOKUS code.
+//
+// The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
+// (registered association), Hansastraße 27 c, 80686 Munich, Germany.
+// All Rights Reserved.
+//
+// Contributor(s):
+// Thorsten Horstmann <tho@berlios.de>
/** \file
\brief StatisticAccumulator non-inline template implementation */
// senf::StatisticAccumulator<T>
template <class T>
-prefix_ senf::StatisticAccumulator<T>::StatisticAccumulator( T defaultvalue)
- : defaultvalue_(defaultvalue),
- sum_squared_(defaultvalue*defaultvalue),
- sum_(defaultvalue),
- min_(defaultvalue),
- max_(defaultvalue),
- last_avg_(float(defaultvalue)),
+prefix_ senf::StatisticAccumulator<T>::StatisticAccumulator( )
+ : sum_squared_(0),
+ sum_(0),
+ min_(0),
+ max_(0),
+ last_avg_(0),
count_(0)
{
}
}
template <class T>
+prefix_ void senf::StatisticAccumulator<T>::setLastAvg( T value)
+{
+ last_avg_ = value;
+}
+
+template <class T>
prefix_ void senf::StatisticAccumulator<T>::accumulate( T value)
{
if (count_ == 0) {
template <class T>
prefix_ void senf::StatisticAccumulator<T>::clear()
{
- last_avg_ = avg();
- count_ = 0;
- sum_squared_ = defaultvalue_*defaultvalue_;
- sum_ = min_ = max_ = defaultvalue_;
+ if( count_ > 0){
+ last_avg_ = avg();
+ count_ = 0;
+ sum_squared_ = 0;
+ sum_ = min_ = max_ = 0;
+ }
+}
+
+template <class T>
+prefix_ void senf::StatisticAccumulator<T>::data( StatisticsData &data_) const
+{
+ if( count_ == 0){
+ data_.min = data_.avg = data_.max = last_avg_;
+ data_.stddev = 0.0;
+ data_.count = 0;
+ }
+ else{
+ data_.min = (float) min_;
+ data_.avg = avg();
+ data_.max = (float) max_;
+ data_.stddev = stddev();
+ data_.count = count_;
+ }
}