Distribution.cpp

/* 
This file is part of the BIAS library (Basic ImageAlgorithmS).

Copyright (C) 2003-2009    (see file CONTACT for details)
  Multimediale Systeme der Informationsverarbeitung
  Institut fuer Informatik
  Christian-Albrechts-Universitaet Kiel


BIAS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

BIAS 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with BIAS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "Distribution.hh"

using namespace BIAS;
using namespace std;

Distribution::Distribution()
{
  Reset();  
}


Distribution::~Distribution()
{}

void Distribution::Reset()
{
  Sum_=SquaredSum_=0.0;
  Count_=0;
}

void Distribution::AddData(const vector<double>& data)
{
  vector<double>::const_iterator it;
  for (it=data.begin(); it!=data.end(); it++){
    Sum_ += (*it);
    SquaredSum_ += (*it) * (*it);
  }
  Count_+=(int)data.size();
}