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/third_party/ffmpeg/libavcodec/
H A Drpzaenc.c269 double sumx = 0, sumy = 0, sumx2 = 0, sumy2 = 0, sumxy = 0, in leastsquares() local
287 sumxy += x * y; in leastsquares()
301 *slope = (sumx * sumy - sumxy) / tmp; in leastsquares()
308 *correlation_coef = (count * sumxy - sumx * sumy) / in leastsquares()

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