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    Searched defs:sum_xy (Results 1 - 4 of 4) sorted by null

  /external/adhd/cras/src/server/
rate_estimator.h 18 double sum_xy; member in struct:least_square
  /device/google/contexthub/firmware/os/algos/
time_sync.c 129 // So sum_x2 and sum_xy are smaller than 1e19.
131 float sum_x2 = 0.0f, sum_xy = 0.0f; local
138 sum_xy += x * y;
145 float beta = sum_xy / sum_x2;
  /external/fio/
steadystate.h 35 uint64_t sum_xy; member in struct:steadystate_data
  /cts/tests/tests/media/libmediandkjni/
codec-utils-jni.cpp 386 uint64_t sum_xy[3] = { 0, 0, 0 }; // YU, YV, UV local
419 sum_xy[0] += Y * U;
420 sum_xy[1] += Y * V;
421 sum_xy[2] += U * V;
441 rawStats[i + 7] = sum_xy[i];
447 int64_t sum_xy[3]; // YU, YV, UV local
453 sum_xy[i] = rawStats[i + 7];
468 stats[6] = (float)(sum_xy[0] + 1 - sum_x[0] * sum_x[1] / num) / num / stats[3] / stats[4];
470 stats[7] = (float)(sum_xy[1] + 1 - sum_x[0] * sum_x[2] / num) / num / stats[3] / stats[5];
472 stats[8] = (float)(sum_xy[2] + 1 - sum_x[1] * sum_x[2] / num) / num / stats[4] / stats[5]
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