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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 671 | werner | 1 | /******************************************************************************************** |
| 2 | ** iLand - an individual based forest landscape and disturbance model |
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| 3 | ** http://iland.boku.ac.at |
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| 4 | ** Copyright (C) 2009- Werner Rammer, Rupert Seidl |
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| 5 | ** |
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| 6 | ** This program is free software: you can redistribute it and/or modify |
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| 7 | ** it under the terms of the GNU General Public License as published by |
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| 8 | ** the Free Software Foundation, either version 3 of the License, or |
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| 9 | ** (at your option) any later version. |
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| 10 | ** |
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| 11 | ** This program is distributed in the hope that it will be useful, |
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| 12 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | ** GNU General Public License for more details. |
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| 15 | ** |
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| 16 | ** You should have received a copy of the GNU General Public License |
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| 17 | ** along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 18 | ********************************************************************************************/ |
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| 19 | |||
| 214 | werner | 20 | #include "floatingaverage.h" |
| 21 | #include <QtCore> |
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| 22 | |||
| 23 | FloatingAverage::FloatingAverage() |
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| 24 | { |
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| 25 | mCurrentAverage=0; |
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| 26 | mSize=0; |
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| 27 | mInitValue = 0.; |
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| 28 | mPos=-1; |
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| 29 | } |
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| 30 | |||
| 31 | void FloatingAverage::setup(const int size, const double InitValue) |
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| 32 | { |
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| 33 | mInitValue = InitValue; |
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| 34 | mSize=size; |
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| 35 | mData.resize(mSize); |
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| 36 | mPos=-1; |
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| 37 | mCurrentAverage=0; |
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| 38 | mFilled=false; |
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| 39 | for (int i=0; i<size; i++) |
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| 40 | mData[i]=mInitValue; |
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| 41 | } |
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| 42 | |||
| 43 | |||
| 44 | double FloatingAverage::add(double add_value) |
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| 45 | { |
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| 46 | |||
| 47 | mPos++; |
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| 48 | if (mPos>=mSize) { |
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| 49 | mPos=0; // rollover again |
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| 50 | mFilled=true; |
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| 51 | } |
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| 52 | mData[mPos]=add_value; |
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| 53 | |||
| 54 | int countto=mSize; |
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| 55 | if (!mFilled) |
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| 56 | countto=mPos+1; |
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| 57 | double sum=0; |
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| 58 | for (int i=0;i<countto; i++) |
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| 59 | sum+=mData[i]; |
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| 60 | if (countto) |
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| 61 | mCurrentAverage = sum/countto; |
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| 62 | else |
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| 63 | mCurrentAverage = mInitValue; // kann sein, wenn als erster wert 0 übergeben wird. |
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| 64 | return mCurrentAverage; |
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| 65 | } |
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| 66 | |||
| 67 | double FloatingAverage::sum() const |
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| 68 | { |
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| 69 | if (mFilled) |
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| 70 | return mCurrentAverage * mSize; |
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| 71 | else |
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| 72 | return mCurrentAverage * (mPos+1); |
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| 73 | } |