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Searched refs:Sx2x2 (Results 1 – 1 of 1) sorted by relevance

/frameworks/native/libs/input/
DVelocityTracker.cpp592 float Sx2x2 = sxi4 - sxi2*sxi2 / count; in solveUnweightedLeastSquaresDeg2() local
594 float numerator = Sxy*Sx2x2 - Sx2y*Sxx2; in solveUnweightedLeastSquaresDeg2()
595 float denominator = Sxx*Sx2x2 - Sxx2*Sxx2; in solveUnweightedLeastSquaresDeg2()
597 ALOGW("division by 0 when computing velocity, Sxx=%f, Sx2x2=%f, Sxx2=%f", Sxx, Sx2x2, Sxx2); in solveUnweightedLeastSquaresDeg2()