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dsp: simplified moving average window

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This commit is contained in:
Steffen Vogel 2019-04-16 07:59:04 +02:00
parent 16a09548ae
commit 3de52ec60f
1 changed files with 5 additions and 8 deletions
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13
common/include/villas/dsp/moving_average.hpp → common/include/villas/dsp/moving_average_window.hpp
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@ -1,4 +1,4 @@
/** A moving average filter. /** A moving average window.
* *
* @file * @file
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de> * @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
@ -23,13 +23,13 @@
#pragma once #pragma once
#include <villas/window.hpp> #include <villas/dsp/window.hpp>
namespace villas { namespace villas {
namespace dsp { namespace dsp {
template<typename T> template<typename T>
class MovingAverage { class MovingAverageWindow {
public: public:
typedef typename Window<T>::size_type size_type; typedef typename Window<T>::size_type size_type;
@ -37,14 +37,11 @@ public:
protected: protected:
Window<T> window; Window<T> window;
size_type length;
T state; T state;
public: public:
MovingAverage(size_type len, T i) : MovingAverageWindow(size_type len, T i = 0) :
window(len, i), window(len, i),
length(len),
state(i) state(i)
{ } { }
@ -55,7 +52,7 @@ public:
state += in; state += in;
state -= out; state -= out;
return state / len; return state / window.getSteps();
} }
}; };