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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 4037c0871b
commit 57962d8347
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
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
@ -23,13 +23,13 @@
#pragma once
#include <villas/window.hpp>
#include <villas/dsp/window.hpp>
namespace villas {
namespace dsp {
template<typename T>
class MovingAverage {
class MovingAverageWindow {
public:
typedef typename Window<T>::size_type size_type;
@ -37,14 +37,11 @@ public:
protected:
Window<T> window;
size_type length;
T state;
public:
MovingAverage(size_type len, T i) :
MovingAverageWindow(size_type len, T i = 0) :
window(len, i),
length(len),
state(i)
{ }
@ -55,7 +52,7 @@ public:
state += in;
state -= out;
return state / len;
return state / window.getSteps();
}
};