g_return_if_fail(math_view->renderingContext != 0);
GTKMATHVIEW_METHOD_NAME(set_log_verbosity)(GtkMathView* math_view, gint level){  g_return_if_fail(math_view != NULL);  g_return_if_fail(math_view->view != 0);  math_view->view->getLogger()->setLogLevel(LogLevelId(level));}