commit a97ead75db11ce7dcaa0d3a598fb2de805d30d2d
author Mathias Agopian <mathias@google.com> Wed Jan 19 14:26:25 2011 -0800
committer Mathias Agopian <mathias@google.com> Wed Jan 19 15:32:38 2011 -0800
tree 5458876a58edb46fbf720ddd4484b9448451a8e7
parent a0bafb471385767f7c9c91efe7fd828b069b2e97

fix [3369027] Sensor.TYPE_ROTATION_VECTOR is unstable and returns NaNs when running slowly

The cut-off frequency of the lowpass filter was too high
for the sampling rate used by DELAY_NORMAL.

Now we use the same filters used for the gravity vector
(cascaded biquad at 1.5 Hz)

Change-Id: Iac290a716cc47a78337a8f0e45b103e49b4d9d78