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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;