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Bug 710393 - Stop using Math.copySign which doesn't exist on Froyo. r=Cwiiis a=ehsan

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This commit is contained in:
Kartikaya Gupta 2011-12-14 16:57:29 -05:00
parent f1938e64b6
commit 12e78e9171
1 changed files with 4 additions and 3 deletions
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7
mobile/android/base/ui/PanZoomController.java
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@ -781,10 +781,11 @@ public class PanZoomController
// If we aren't overscrolled, just apply friction.
float excess = getExcess();
if (disableSnap || FloatUtils.fuzzyEquals(excess, 0.0f)) {
float absvelocity = (float)
Math.pow(Math.pow(velocity, FRICTION_FACTOR) * FRICTION,
float absvelocity = Math.abs(velocity);
absvelocity = (float)Math.pow(Math.pow(absvelocity, FRICTION_FACTOR) * FRICTION,
1 / FRICTION_FACTOR);
velocity = Math.copySign(absvelocity, velocity);
// Math.copySign doesn't exist on Android 2.2
velocity = (velocity < 0 ? -absvelocity : absvelocity);
if (Math.abs(velocity) < 0.1f) {
velocity = 0.0f;