57    float dxdy;		/**< dx/dy */  member
680    setup->emaj.dxdy = setup->emaj.dy ? setup->emaj.dx / setup->emaj.dy : .0f;  in setup_tri_edges()
681    setup->emaj.sx = vmin_x + (setup->emaj.sy - vmin_y) * setup->emaj.dxdy;  in setup_tri_edges()
685    setup->etop.dxdy = setup->etop.dy ? setup->etop.dx / setup->etop.dy : .0f;  in setup_tri_edges()
686    setup->etop.sx = vmid_x + (setup->etop.sy - vmid_y) * setup->etop.dxdy;  in setup_tri_edges()
690    setup->ebot.dxdy = setup->ebot.dy ? setup->ebot.dx / setup->ebot.dy : .0f;  in setup_tri_edges()
691    setup->ebot.sx = vmin_x + (setup->ebot.sy - vmin_y) * setup->ebot.dxdy;  in setup_tri_edges()
741       int left = (int)(eleft->sx + y * eleft->dxdy);  in subtriangle()
742       int right = (int)(eright->sx + y * eright->dxdy);  in subtriangle()
765    eleft->sx += lines * eleft->dxdy;  in subtriangle()
766    eright->sx += lines * eright->dxdy;  in subtriangle()