xrchart_write_xlabel (cr, geom, _("1 - Specificity"));
xrchart_write_ylabel (cr, geom, _("Sensitivity"));
- xrchart_write_xscale (cr, geom, 0, 1);
- xrchart_write_yscale (cr, geom, 0, 1);
+ if (! xrchart_write_xscale (cr, geom, 0, 1))
+ return;
+ if (! xrchart_write_yscale (cr, geom, 0, 1))
+ return;
- if ( rc->reference )
+ if (rc->reference)
{
xrchart_line (cr, geom, 1.0, 0,
0.0, 1.0,