209     CvMat *Dx = 0, *Dy = 0, *cov = 0;  in icvCornerEigenValsVecs()  local
296     CV_CALL( Dy = cvCreateMat( max_dy, aligned_width, d_depth ));  in icvCornerEigenValsVecs()
299     Dx->cols = Dy->cols = size.width;  in icvCornerEigenValsVecs()
325             stripe_size.height = dy_filter.process( src, Dy, cvRect(0,y,-1,delta),  in icvCornerEigenValsVecs()
339                         Dy->data.ptr, d_step, stripe_size,  in icvCornerEigenValsVecs()
347                         Dy->data.ptr, d_step, stripe_size ));  in icvCornerEigenValsVecs()
357                 const short* dydata = (const short*)(Dy->data.ptr + i*Dy->step);  in icvCornerEigenValsVecs()
372                 const float* dydata = (const float*)(Dy->data.ptr + i*Dy->step);  in icvCornerEigenValsVecs()
412     cvReleaseMat( &Dy );  in icvCornerEigenValsVecs()
506     CvMat *Dx = 0, *Dy = 0, *D2x = 0, *D2y = 0, *Dxy = 0;  in cvPreCornerDetect()  local
601     CV_CALL( Dy = cvCreateMat( max_dy, aligned_width, d_depth ));  in cvPreCornerDetect()
605     Dx->cols = Dy->cols = D2x->cols = D2y->cols = Dxy->cols = size.width;  in cvPreCornerDetect()
632             dy_filter.process(src,Dy,roi,origin,stage);  in cvPreCornerDetect()
645                 Dy->data.ptr, d_step, stripe_size, aperture_size ));  in cvPreCornerDetect()
661                 const short* dydata = (const short*)(Dy->data.ptr + i*Dy->step);  in cvPreCornerDetect()
679                 const float* dydata = (const float*)(Dy->data.ptr + i*Dy->step);  in cvPreCornerDetect()
699     cvReleaseMat( &Dy );  in cvPreCornerDetect()