Lines Matching refs:vx
909 float vx, vy;913 vx = dx_row[x];916 if( !edges_row[x] || (vx == 0 && vy == 0) )919 if( fabs(vx) < fabs(vy) )921 sx = cvRound(vx*ONE/fabs(vy));926 assert( vx != 0 );927 sy = cvRound(vy*ONE/fabs(vx));928 sx = vx < 0 ? -ONE : ONE;