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authorMathias Agopian <mathias@google.com>2012-05-16 16:12:27 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2012-05-16 16:12:27 -0700
commit128c89cd08bde1a4cf160885ce0fb57ba0134bb0 (patch)
tree19360596c148f2b2884d597ef2eab065cc8b3818 /core
parent6467f94b371e1af1b5e0ab63eb3b39671e04ff8d (diff)
parentfb8909709979b883ff95b21db3e32666788637b4 (diff)
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Merge "fix SensorManager.getAngleChange() documentation" into jb-dev
Diffstat (limited to 'core')
-rw-r--r--core/java/android/hardware/SensorManager.java7
1 files changed, 3 insertions, 4 deletions
diff --git a/core/java/android/hardware/SensorManager.java b/core/java/android/hardware/SensorManager.java
index aeb46cf..b8ad818 100644
--- a/core/java/android/hardware/SensorManager.java
+++ b/core/java/android/hardware/SensorManager.java
@@ -1122,9 +1122,9 @@ public abstract class SensorManager {
/** Helper function to compute the angle change between two rotation matrices.
* Given a current rotation matrix (R) and a previous rotation matrix
- * (prevR) computes the rotation around the x,y, and z axes which
+ * (prevR) computes the rotation around the z,x, and y axes which
* transforms prevR to R.
- * outputs a 3 element vector containing the x,y, and z angle
+ * outputs a 3 element vector containing the z,x, and y angle
* change at indexes 0, 1, and 2 respectively.
* <p> Each input matrix is either as a 3x3 or 4x4 row-major matrix
* depending on the length of the passed array:
@@ -1143,14 +1143,13 @@ public abstract class SensorManager {
*</pre>
* @param R current rotation matrix
* @param prevR previous rotation matrix
- * @param angleChange an array of floats in which the angle change is stored
+ * @param angleChange an an array of floats (z, x, and y) in which the angle change is stored
*/
public static void getAngleChange( float[] angleChange, float[] R, float[] prevR) {
float rd1=0,rd4=0, rd6=0,rd7=0, rd8=0;
float ri0=0,ri1=0,ri2=0,ri3=0,ri4=0,ri5=0,ri6=0,ri7=0,ri8=0;
float pri0=0, pri1=0, pri2=0, pri3=0, pri4=0, pri5=0, pri6=0, pri7=0, pri8=0;
- int i, j, k;
if(R.length == 9) {
ri0 = R[0];