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removed a bug in the SimpleMovingAverageQueue (see https://github.com/y20k/trackbook/issues/99#issuecomment-830874285)

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y20k 2021-05-03 09:26:29 +02:00
parent bb00e18312
commit 7663c82c88
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1 changed files with 4 additions and 5 deletions
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9
app/src/main/java/org/y20k/trackbook/TrackerService.kt
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@ -529,11 +529,11 @@ class TrackerService: Service(), CoroutineScope, SensorEventListener {
}
// store previous smoothed altitude
val previousAltitude: Double = altitudeValues.average
val previousAltitude: Double = altitudeValues.getAverage()
// put current altitude into queue
altitudeValues.add(currentBestLocation.altitude)
// get current smoothed altitude
val currentAltitude: Double = altitudeValues.average
val currentAltitude: Double = altitudeValues.getAverage()
// calculate and store elevation differences
track = LocationHelper.calculateElevationDifferences(currentAltitude, previousAltitude, track)
@ -562,16 +562,15 @@ class TrackerService: Service(), CoroutineScope, SensorEventListener {
/* Credit: CircularQueue https://stackoverflow.com/a/51923797 */
class SimpleMovingAverageQueue(var capacity: Int) : LinkedList<Double>() {
private var sum: Double = 0.0
var average: Double = sum / capacity
override fun add(element: Double): Boolean {
if (this.size >= capacity) {
sum -= this.first
removeFirst()
} else {
sum += element
}
sum += element
return super.add(element)
}
fun getAverage(): Double = sum / capacity
}