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Store mHistoricTimes as longs intead of floats am: 31ef24c934

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Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12375534

Change-Id: Ia1d5a8120f6ad8201e76beb5330eadb39197536f
This commit is contained in:
Tony Wickham
2020-08-14 10:45:19 +00:00
committed by Automerger Merge Worker
parent 0581f5b05b 31ef24c934
commit 1802dc3466
1 changed files with 6 additions and 6 deletions
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quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
+6 -6
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@@ -276,7 +276,7 @@ public class MotionPauseDetector {
private static final int HISTORY_SIZE = 20;
// Position history are stored in a circular array
private final float[] mHistoricTimes = new float[HISTORY_SIZE];
private final long[] mHistoricTimes = new long[HISTORY_SIZE];
private final float[] mHistoricPos = new float[HISTORY_SIZE];
private int mHistoryCount = 0;
private int mHistoryStart = 0;
@@ -292,7 +292,7 @@ public class MotionPauseDetector {
mHistoryCount = mHistoryStart = 0;
}
private void addPositionAndTime(float eventTime, float eventPosition) {
private void addPositionAndTime(long eventTime, float eventPosition) {
mHistoricTimes[mHistoryStart] = eventTime;
mHistoricPos[mHistoryStart] = eventPosition;
mHistoryStart++;
@@ -322,7 +322,7 @@ public class MotionPauseDetector {
* Based on solveUnweightedLeastSquaresDeg2 in VelocityTracker.cpp
*/
private Float solveUnweightedLeastSquaresDeg2(final int pointPos) {
final float eventTime = mHistoricTimes[pointPos];
final long eventTime = mHistoricTimes[pointPos];
float sxi = 0, sxiyi = 0, syi = 0, sxi2 = 0, sxi3 = 0, sxi2yi = 0, sxi4 = 0;
int count = 0;
@@ -332,8 +332,8 @@ public class MotionPauseDetector {
index += HISTORY_SIZE;
}
float time = mHistoricTimes[index];
float age = eventTime - time;
long time = mHistoricTimes[index];
long age = eventTime - time;
if (age > HORIZON_MS) {
break;
}
@@ -364,7 +364,7 @@ public class MotionPauseDetector {
if (endPos < 0) {
endPos += HISTORY_SIZE;
}
float denominator = eventTime - mHistoricTimes[endPos];
long denominator = eventTime - mHistoricTimes[endPos];
if (denominator != 0) {
return (mHistoricPos[pointPos] - mHistoricPos[endPos]) / denominator;
}