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-rw-r--r--core/java/android/widget/StackView.java6
1 files changed, 2 insertions, 4 deletions
diff --git a/core/java/android/widget/StackView.java b/core/java/android/widget/StackView.java
index 6853660..7df0a31 100644
--- a/core/java/android/widget/StackView.java
+++ b/core/java/android/widget/StackView.java
@@ -1043,10 +1043,8 @@ public class StackView extends AdapterViewAnimator {
if (mView != null) {
final LayoutParams viewLp = (LayoutParams) mView.getLayoutParams();
- float d = (float) Math.sqrt(Math.pow(viewLp.horizontalOffset, 2) +
- Math.pow(viewLp.verticalOffset, 2));
- float maxd = (float) Math.sqrt(Math.pow(mSlideAmount, 2) +
- Math.pow(0.4f * mSlideAmount, 2));
+ float d = (float) Math.hypot(viewLp.horizontalOffset, viewLp.verticalOffset);
+ float maxd = (float) Math.hypot(mSlideAmount, 0.4f * mSlideAmount);
if (velocity == 0) {
return (invert ? (1 - d / maxd) : d / maxd) * DEFAULT_ANIMATION_DURATION;