91    float oneoverarea;  member
366       setup->oneoverarea = 1.0f / area;  in setup_sort_vertices()
372       if (util_is_inf_or_nan(setup->oneoverarea))  in setup_sort_vertices()
491    float dadx = a * setup->oneoverarea;  in tri_linear_coeff()
492    float dady = b * setup->oneoverarea;  in tri_linear_coeff()
549    float dadx = a * setup->oneoverarea;  in tri_persp_coeff()
550    float dady = b * setup->oneoverarea;  in tri_persp_coeff()
845    if (setup->oneoverarea < 0.0) {  in sp_setup_tri()
906    const float dadx = da * setup->emaj.dx * setup->oneoverarea;  in line_linear_coeff()
907    const float dady = da * setup->emaj.dy * setup->oneoverarea;  in line_linear_coeff()
930    const float dadx = da * setup->emaj.dx * setup->oneoverarea;  in line_persp_coeff()
931    const float dady = da * setup->emaj.dy * setup->oneoverarea;  in line_persp_coeff()
971    setup->oneoverarea = 1.0f / area;  in setup_line_coefficients()