704 	if (a->empty || b->empty) {  in snd_interval_mul()
708 	c->empty = 0;  in snd_interval_mul()
729 	if (a->empty || b->empty) {  in snd_interval_div()
733 	c->empty = 0;  in snd_interval_div()
765 	if (a->empty || b->empty) {  in snd_interval_muldivk()
769 	c->empty = 0;  in snd_interval_muldivk()
796 	if (a->empty || b->empty) {  in snd_interval_mulkdiv()
800 	c->empty = 0;  in snd_interval_mulkdiv()
873 		i->empty = 1;  in snd_interval_ratnum()
889 			i->empty = 1;  in snd_interval_ratnum()
914 		i->empty = 1;  in snd_interval_ratnum()
985 		i->empty = 1;  in snd_interval_ratden()
1017 		i->empty = 1;  in snd_interval_ratden()
1057 		i->empty = 1;  in snd_interval_list()
1146 		i->empty = 1;  in snd_interval_step()