676 	if (a->empty || b->empty) {  in snd_interval_mul()
680 	c->empty = 0;  in snd_interval_mul()
701 	if (a->empty || b->empty) {  in snd_interval_div()
705 	c->empty = 0;  in snd_interval_div()
737 	if (a->empty || b->empty) {  in snd_interval_muldivk()
741 	c->empty = 0;  in snd_interval_muldivk()
768 	if (a->empty || b->empty) {  in snd_interval_mulkdiv()
772 	c->empty = 0;  in snd_interval_mulkdiv()
845 		i->empty = 1;  in snd_interval_ratnum()
861 			i->empty = 1;  in snd_interval_ratnum()
886 		i->empty = 1;  in snd_interval_ratnum()
957 		i->empty = 1;  in snd_interval_ratden()
989 		i->empty = 1;  in snd_interval_ratden()
1029 		i->empty = 1;  in snd_interval_list()
1119 		i->empty = 1;  in snd_interval_step()