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Commit b4341ba6 authored by Mathias Agopian's avatar Mathias Agopian Committed by Android Git Automerger
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am b710a50a: Merge "fix [3452750] Issue 14634:... 

am b710a50a: Merge "fix [3452750] Issue 14634: SensorManager.getRotationMatrixFromVector gets NaN-Values [external] [DO NOT MERGE]" into gingerbread

* commit 'b710a50a':
  fix [3452750] Issue 14634: SensorManager.getRotationMatrixFromVector gets NaN-Values [external] [DO NOT MERGE]
parents a7c836dd b710a50a

core/java/android/hardware/SensorManager.java

+2 −1
Original line number Diff line number Diff line
@@ -1970,7 +1970,8 @@ public class SensorManager 
        if (rotationVector.length == 4) {

            q0 = rotationVector[3];

        } else {

            q0 = (float)Math.sqrt(1 - q1*q1 - q2*q2 - q3*q3);

            q0 = 1 - q1*q1 - q2*q2 - q3*q3;

            q0 = (q0 > 0) ? (float)Math.sqrt(q0) : 0;

        }



        float sq_q1 = 2 * q1 * q1;