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    Searched refs:mSumXX (Results 1 - 2 of 2) sorted by null

  /frameworks/native/services/sensorservice/
Fusion.cpp 149 mat<TYPE, SIZE, SIZE> mSumXX;
153 Covariance() : mSumXX(0.0f), mSumX(0.0f), mN(0) { }
155 mSumXX += x*transpose(x);
161 return mSumXX*N - (mSumX*transpose(mSumX))*(N*N);
165 mSumXX = 0;
  /cts/libs/deviceutil/src/android/cts/util/
MediaUtils.java 678 /** calculate mSumX and mSumXX */
693 mSumXX += x * x;
728 return Math.sqrt(mSumXX / mNum - average * average);
869 private double mSumXX = 0;

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