658 	if (a->empty || b->empty) {  in snd_interval_mul()
662 	c->empty = 0;  in snd_interval_mul()
683 	if (a->empty || b->empty) {  in snd_interval_div()
687 	c->empty = 0;  in snd_interval_div()
719 	if (a->empty || b->empty) {  in snd_interval_muldivk()
723 	c->empty = 0;  in snd_interval_muldivk()
750 	if (a->empty || b->empty) {  in snd_interval_mulkdiv()
754 	c->empty = 0;  in snd_interval_mulkdiv()
827 		i->empty = 1;  in snd_interval_ratnum()
843 			i->empty = 1;  in snd_interval_ratnum()
868 		i->empty = 1;  in snd_interval_ratnum()
939 		i->empty = 1;  in snd_interval_ratden()
971 		i->empty = 1;  in snd_interval_ratden()
1011 		i->empty = 1;  in snd_interval_list()
1100 		i->empty = 1;  in snd_interval_step()