4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
6 // The contents of this file are subject to the Fraunhofer FOKUS Public License
7 // Version 1.0 (the "License"); you may not use this file except in compliance
8 // with the License. You may obtain a copy of the License at
9 // http://senf.berlios.de/license.html
11 // The Fraunhofer FOKUS Public License Version 1.0 is based on,
12 // but modifies the Mozilla Public License Version 1.1.
13 // See the full license text for the amendments.
15 // Software distributed under the License is distributed on an "AS IS" basis,
16 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
17 // for the specific language governing rights and limitations under the License.
19 // The Original Code is Fraunhofer FOKUS code.
21 // The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
22 // (registered association), Hansastraße 27 c, 80686 Munich, Germany.
23 // All Rights Reserved.
26 // Mathias Kretschmer <mtk@berlios.de>
27 // Jens Moedeker <jmo@berlios.de>
30 \brief StatisticAccumulator non-inline template implementation */
35 ///////////////////////////////ct.p////////////////////////////////////////
37 ///////////////////////////////////////////////////////////////////////////
38 // senf::StatisticAccumulator<T>
41 prefix_ senf::StatisticAccumulator<T>::StatisticAccumulator()
42 : sum_squared_(0), sum_(0), min_(0), max_(0), last_avg_(0), count_(0)
46 prefix_ float senf::StatisticAccumulator<T>::stddev()
52 else if (count_ == 1) {
56 return sqrt( ( float(sum_squared_) / float( count_) ) - (_avg * _avg) );
60 prefix_ void senf::StatisticAccumulator<T>::setLastAvg( T value)
66 prefix_ void senf::StatisticAccumulator<T>::accumulate( T value)
69 min_ = max_ = sum_ = value;
70 sum_squared_ = value * value;
75 sum_squared_ += value * value;
79 else if (value > max_)
84 prefix_ void senf::StatisticAccumulator<T>::clear()
90 sum_ = min_ = max_ = 0;
95 prefix_ void senf::StatisticAccumulator<T>::data( StatisticsData &data_) const
98 data_.min = data_.avg = data_.max = last_avg_;
102 data_.min = (float) min_;
104 data_.max = (float) max_;
105 data_.stddev = stddev();
106 data_.count = count_;
111 ///////////////////////////////ct.e////////////////////////////////////////