337         int* mag_buf[3];  in operator ()()  local
338         mag_buf[0] = (int*)(uchar*)buffer;  in operator ()()
339         mag_buf[1] = mag_buf[0] + mapstep*cn;  in operator ()()
340         mag_buf[2] = mag_buf[1] + mapstep*cn;  in operator ()()
349             int* _norm = mag_buf[(i > boundaries.start) - (i == boundaries.start - 1) + 1] + 1;  in operator ()()
448             int* _mag = mag_buf[1] + 1; // take the central row  in operator ()()
449             ptrdiff_t magstep1 = mag_buf[2] - mag_buf[1];  in operator ()()
450             ptrdiff_t magstep2 = mag_buf[0] - mag_buf[1];  in operator ()()
526             _mag = mag_buf[0];  in operator ()()
527             mag_buf[0] = mag_buf[1];  in operator ()()
528             mag_buf[1] = mag_buf[2];  in operator ()()
529             mag_buf[2] = _mag;  in operator ()()
711     int* mag_buf[3];  in Canny()  local
712     mag_buf[0] = (int*)(uchar*)buffer;  in Canny()
713     mag_buf[1] = mag_buf[0] + mapstep*cn;  in Canny()
714     mag_buf[2] = mag_buf[1] + mapstep*cn;  in Canny()
715     memset(mag_buf[0], 0, /* cn* */mapstep*sizeof(int));  in Canny()
717     uchar* map = (uchar*)(mag_buf[2] + mapstep*cn);  in Canny()
752         int* _norm = mag_buf[(i > 0) + 1] + 1;  in Canny()
855         int* _mag = mag_buf[1] + 1; // take the central row  in Canny()
856         ptrdiff_t magstep1 = mag_buf[2] - mag_buf[1];  in Canny()
857         ptrdiff_t magstep2 = mag_buf[0] - mag_buf[1];  in Canny()
920         _mag = mag_buf[0];  in Canny()
921         mag_buf[0] = mag_buf[1];  in Canny()
922         mag_buf[1] = mag_buf[2];  in Canny()
923         mag_buf[2] = _mag;  in Canny()