| 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // $Id: TiaraMeasure.cc,v 1.4 2006/06/29 15:45:17 gunter Exp $ |
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| 27 | // GEANT4 tag $Name: $ |
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| 28 | // |
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| 29 | |
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| 30 | #include "TiaraMeasure.hh" |
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| 31 | |
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| 32 | TiaraMeasure::TiaraMeasure() : |
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| 33 | fEntries(0), |
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| 34 | fSum(0), |
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| 35 | fSumSquared(0) |
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| 36 | {} |
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| 37 | |
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| 38 | TiaraMeasure::~TiaraMeasure() |
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| 39 | {} |
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| 40 | |
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| 41 | void TiaraMeasure::Xin(G4double v) { |
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| 42 | fEntries++; |
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| 43 | fSum+=v; |
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| 44 | fSumSquared+=(v*v); |
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| 45 | }; |
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| 46 | |
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| 47 | G4int TiaraMeasure::GetEntries() const { |
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| 48 | return fEntries; |
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| 49 | } |
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| 50 | |
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| 51 | G4double TiaraMeasure::GetMean() const { |
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| 52 | G4double mean(0); |
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| 53 | if (fEntries>0) { |
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| 54 | mean = fSum / fEntries; |
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| 55 | } else { |
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| 56 | G4cout << "TiaraMeasure::GetMean(): fEntries<=0" << G4endl; |
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| 57 | } |
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| 58 | return mean; |
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| 59 | } |
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| 60 | |
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| 61 | G4double TiaraMeasure::GetVariance() const { |
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| 62 | G4double variance(-1); |
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| 63 | G4double mean(GetMean()); |
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| 64 | if (fEntries>1) { |
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| 65 | variance = (static_cast<double>(fEntries)/(fEntries - 1)) * |
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| 66 | (fSumSquared/fEntries - mean*mean); |
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| 67 | } else { |
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| 68 | G4cout << "TiaraMeasure::GetVariance(): fEntries<=0" << G4endl; |
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| 69 | } |
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| 70 | return variance; |
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| 71 | |
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| 72 | } |
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| 73 | |
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| 74 | G4double TiaraMeasure::GetSum() const { |
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| 75 | return fSum; |
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| 76 | } |
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| 77 | |
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| 78 | G4double TiaraMeasure::GetSumSquared() const { |
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| 79 | return fSumSquared; |
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| 80 | } |
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