Searched refs:covar (Results 1 – 4 of 4) sorted by relevance
129 double covar= pca->covariance[j + i*n]; in ff_pca() local132 if(pass < 3 && fabs(covar) < sum / (5*n*n)) //FIXME why pass < 3 in ff_pca()134 if(fabs(covar) == 0.0) //FIXME should not be needed in ff_pca()136 …if(pass >=3 && fabs((eigenvalue[j]+z[j])/covar) > (1LL<<32) && fabs((eigenvalue[i]+z[i])/covar) > … in ff_pca()142 theta=0.5*h/covar; in ff_pca()149 z[i] -= t*covar; in ff_pca()150 z[j] += t*covar; in ff_pca()
50 double (*covar) [MAX_VARS_ALIGN] = (void *) &m->covariance[1][1]; in avpriv_solve_lls() local56 double sum = covar[i][j]; in avpriv_solve_lls()93 double sum = m->coeff[j][i] * covar[i][i] - 2 * covar_y[i + 1]; in avpriv_solve_lls()96 sum += 2 * m->coeff[j][k] * covar[k][i]; in avpriv_solve_lls()
172 int64_t covar = fs12 * 64 - fs1 * fs2; in ssim_end1x() local174 return (float)(2 * fs1 * fs2 + ssim_c1) * (float)(2 * covar + ssim_c2) in ssim_end1x()188 int covar = fs12 * 64 - fs1 * fs2; in ssim_end1() local190 return (float)(2 * fs1 * fs2 + ssim_c1) * (float)(2 * covar + ssim_c2) in ssim_end1()
94 type covar = fs12*64 - fs1*fs2; in ssim_end1() local95 return (float)(2*fs1*fs2 + ssim_c1) * (float)(2*covar + ssim_c2) in ssim_end1()