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/frameworks/native/libs/input/
DVelocityTracker.cpp568 float Sxx = sxi2 - sxi*sxi / count; in solveUnweightedLeastSquaresDeg2() local
574 float denominator = Sxx*Sx2x2 - Sxx2*Sxx2; in solveUnweightedLeastSquaresDeg2()
576 ALOGW("division by 0 when computing velocity, Sxx=%f, Sx2x2=%f, Sxx2=%f", Sxx, Sx2x2, Sxx2); in solveUnweightedLeastSquaresDeg2()
580 float numerator = Sx2y*Sxx - Sxy*Sxx2; in solveUnweightedLeastSquaresDeg2()