Lines Matching refs:x2
449 double x0 = 1.+data[i], x1 = 1.+data[i+1], x2 = 1.+data[i+2], x3 = 1.+data[i+3];
450 double a = x0*x1, b = x2*x3, d = scale2/(a*b), t0, t1;
454 t0 = (2 - x2)*a*x3; t1 = (2 - x3)*a*x2;
529 double x0 = 1.+xf[i], x1 = 1.+xf[i+1], x2 = 1.+xf[i+2], x3 = 1.+xf[i+3];
530 double a = x0*x1, b = x2*x3, d = 1./(a*b), t0, t1;
539 t0 = a*x3; t1 = a*x2;
542 t0 *= scale2*(2 - x2); t1 *= scale2*(2 - x3);
937 CvMat *x1 = &hdr1, *x2 = &hdr2, *grad1 = &ghdr1, *grad2 = &ghdr2, *temp;
976 cvInitMatHeader( x2, 1, layer_sizes->data.i[i], CV_64F, x[i] );
977 cvInitMatHeader( &_w, x1->cols, x2->cols, CV_64F, weights[i] );
978 cvGEMM( x1, &_w, 1, 0, 0, x2 );
979 _df = *x2;
981 calc_activ_func_deriv( x2, &_df, _w.data.db + _w.rows*_w.cols );
982 CV_SWAP( x1, x2, temp );
1132 CvMat *x1, *x2, *grad1, *grad2, *temp;
1141 x1 = &hdr1; x2 = &hdr2;
1166 cvInitMatHeader( x2, dcount, layer_sizes->data.i[i], CV_64F, x[i] );
1167 cvInitMatHeader( &_w, x1->cols, x2->cols, CV_64F, weights[i] );
1168 cvGEMM( x1, &_w, 1, 0, 0, x2 );
1169 _df = *x2;
1171 calc_activ_func_deriv( x2, &_df, _w.data.db + _w.rows*_w.cols );
1172 CV_SWAP( x1, x2, temp );
