Renamed DoubleBuffer to DoubleRingBuffer.

src/main/java/de/dennisguse/opentracks/stats/DoubleRingBuffer.java

@@ -19,13 +19,13 @@ package de.dennisguse.opentracks.stats;
 import androidx.annotation.NonNull;
 
 /**
- * This class maintains a buffer of doubles.
+ * This class maintains a ring buffer of doubles.
  * This buffer is a convenient class for storing a series of doubles and calculating information about them.
  * This is a FIFO buffer.
  *
  * @author Sandor Dornbush
  */
-class DoubleBuffer {
+class DoubleRingBuffer {
 
     // The sliding buffer of doubles.
     private final double[] buffer;
@@ -41,7 +41,7 @@ class DoubleBuffer {
      *
      * @param size the size
      */
-    DoubleBuffer(int size) {
+    DoubleRingBuffer(int size) {
         if (size < 1) {
             throw new IllegalArgumentException("The buffer size must be greater than 1.");
         }

src/main/java/de/dennisguse/opentracks/stats/TrackStatisticsUpdater.java

@@ -62,9 +62,9 @@ public class TrackStatisticsUpdater {
     private final TrackStatistics trackStatistics;
 
     // A buffer of the recent elevation readings (m)
-    private final DoubleBuffer elevationBuffer_m = new DoubleBuffer(ELEVATION_SMOOTHING_FACTOR);
+    private final DoubleRingBuffer elevationBuffer_m = new DoubleRingBuffer(ELEVATION_SMOOTHING_FACTOR);
     // A buffer of the recent speed readings (m/s) for calculating max speed
-    private final DoubleBuffer speedBuffer_ms = new DoubleBuffer(SPEED_SMOOTHING_FACTOR);
+    private final DoubleRingBuffer speedBuffer_ms = new DoubleRingBuffer(SPEED_SMOOTHING_FACTOR);
 
     // The current segment's statistics
     private TrackStatistics currentSegment;