| /external/adhd/cras/src/server/ |
| rate_estimator.h | 19 double sum_x2; member in struct:least_square
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| rate_estimator.c | 23 lsq->sum_x2 += x * x;
31 denom = lsq->num_samples * lsq->sum_x2 - lsq->sum_x * lsq->sum_x;
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| /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
137 sum_x2 += x * x;
145 float beta = sum_xy / sum_x2;
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| /external/pdfium/third_party/lcms/src/ |
| cmssamp.c | 286 double sum_x = 0, sum_x2 = 0, sum_x3 = 0, sum_x4 = 0; local
301 sum_x2 += xn*xn;
310 _cmsVEC3init(&m.v[0], n, sum_x, sum_x2);
311 _cmsVEC3init(&m.v[1], sum_x, sum_x2, sum_x3);
312 _cmsVEC3init(&m.v[2], sum_x2, sum_x3, sum_x4);
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| /external/libavc/encoder/ |
| irc_rd_model.c | 122 float sum_x2 = 0; local
150 sum_x2 += x0 * x0;
160 sum_x2 /= u1_num_frms_used;
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