539 static inline unsigned int div32(unsigned int a, unsigned int b,   in div32()  argument
546 	*r = a % b;  in div32()
547 	return a / b;  in div32()
550 static inline unsigned int div_down(unsigned int a, unsigned int b)  in div_down()  argument
554 	return a / b;  in div_down()
557 static inline unsigned int div_up(unsigned int a, unsigned int b)  in div_up()  argument
563 	q = div32(a, b, &r);  in div_up()
569 static inline unsigned int mul(unsigned int a, unsigned int b)  in mul()  argument
571 	if (a == 0)  in mul()
573 	if (div_down(UINT_MAX, a) < b)  in mul()
575 	return a * b;  in mul()
578 static inline unsigned int muldiv32(unsigned int a, unsigned int b,  in muldiv32()  argument
581 	u_int64_t n = (u_int64_t) a * b;  in muldiv32()
682 void snd_interval_mul(const struct snd_interval *a, const struct snd_interval *b, struct snd_interv…  in snd_interval_mul()  argument
684 	if (a->empty || b->empty) {  in snd_interval_mul()
689 	c->min = mul(a->min, b->min);  in snd_interval_mul()
690 	c->openmin = (a->openmin || b->openmin);  in snd_interval_mul()
691 	c->max = mul(a->max,  b->max);  in snd_interval_mul()
692 	c->openmax = (a->openmax || b->openmax);  in snd_interval_mul()
693 	c->integer = (a->integer && b->integer);  in snd_interval_mul()
706 void snd_interval_div(const struct snd_interval *a, const struct snd_interval *b, struct snd_interv…  in snd_interval_div()  argument
709 	if (a->empty || b->empty) {  in snd_interval_div()
714 	c->min = div32(a->min, b->max, &r);  in snd_interval_div()
715 	c->openmin = (r || a->openmin || b->openmax);  in snd_interval_div()
717 		c->max = div32(a->max, b->min, &r);  in snd_interval_div()
722 			c->openmax = (a->openmax || b->openmin);  in snd_interval_div()
741 void snd_interval_muldivk(const struct snd_interval *a, const struct snd_interval *b,  in snd_interval_muldivk()  argument
745 	if (a->empty || b->empty) {  in snd_interval_muldivk()
750 	c->min = muldiv32(a->min, b->min, k, &r);  in snd_interval_muldivk()
751 	c->openmin = (r || a->openmin || b->openmin);  in snd_interval_muldivk()
752 	c->max = muldiv32(a->max, b->max, k, &r);  in snd_interval_muldivk()
757 		c->openmax = (a->openmax || b->openmax);  in snd_interval_muldivk()
772 void snd_interval_mulkdiv(const struct snd_interval *a, unsigned int k,  in snd_interval_mulkdiv()  argument
776 	if (a->empty || b->empty) {  in snd_interval_mulkdiv()
781 	c->min = muldiv32(a->min, k, b->max, &r);  in snd_interval_mulkdiv()
782 	c->openmin = (r || a->openmin || b->openmax);  in snd_interval_mulkdiv()
784 		c->max = muldiv32(a->max, k, b->min, &r);  in snd_interval_mulkdiv()
789 			c->openmax = (a->openmax || b->openmin);  in snd_interval_mulkdiv()