519 static inline unsigned int div32(unsigned int a, unsigned int b,   in div32()  argument
522 	if (b == 0) {  in div32()
526 	*r = a % b;  in div32()
527 	return a / b;  in div32()
530 static inline unsigned int div_down(unsigned int a, unsigned int b)  in div_down()  argument
532 	if (b == 0)  in div_down()
534 	return a / b;  in div_down()
537 static inline unsigned int div_up(unsigned int a, unsigned int b)  in div_up()  argument
541 	if (b == 0)  in div_up()
543 	q = div32(a, b, &r);  in div_up()
549 static inline unsigned int mul(unsigned int a, unsigned int b)  in mul()  argument
553 	if (div_down(UINT_MAX, a) < b)  in mul()
555 	return a * b;  in mul()
558 static inline unsigned int muldiv32(unsigned int a, unsigned int b,  in muldiv32()  argument
561 	u_int64_t n = (u_int64_t) a * b;  in muldiv32()
662 void snd_interval_mul(const struct snd_interval *a, const struct snd_interval *b, struct snd_interv…  in snd_interval_mul()  argument
664 	if (a->empty || b->empty) {  in snd_interval_mul()
669 	c->min = mul(a->min, b->min);  in snd_interval_mul()
670 	c->openmin = (a->openmin || b->openmin);  in snd_interval_mul()
671 	c->max = mul(a->max,  b->max);  in snd_interval_mul()
672 	c->openmax = (a->openmax || b->openmax);  in snd_interval_mul()
673 	c->integer = (a->integer && b->integer);  in snd_interval_mul()
686 void snd_interval_div(const struct snd_interval *a, const struct snd_interval *b, struct snd_interv…  in snd_interval_div()  argument
689 	if (a->empty || b->empty) {  in snd_interval_div()
694 	c->min = div32(a->min, b->max, &r);  in snd_interval_div()
695 	c->openmin = (r || a->openmin || b->openmax);  in snd_interval_div()
696 	if (b->min > 0) {  in snd_interval_div()
697 		c->max = div32(a->max, b->min, &r);  in snd_interval_div()
702 			c->openmax = (a->openmax || b->openmin);  in snd_interval_div()
721 void snd_interval_muldivk(const struct snd_interval *a, const struct snd_interval *b,  in snd_interval_muldivk()  argument
725 	if (a->empty || b->empty) {  in snd_interval_muldivk()
730 	c->min = muldiv32(a->min, b->min, k, &r);  in snd_interval_muldivk()
731 	c->openmin = (r || a->openmin || b->openmin);  in snd_interval_muldivk()
732 	c->max = muldiv32(a->max, b->max, k, &r);  in snd_interval_muldivk()
737 		c->openmax = (a->openmax || b->openmax);  in snd_interval_muldivk()
753 		      const struct snd_interval *b, struct snd_interval *c)  in snd_interval_mulkdiv()  argument
756 	if (a->empty || b->empty) {  in snd_interval_mulkdiv()
761 	c->min = muldiv32(a->min, k, b->max, &r);  in snd_interval_mulkdiv()
762 	c->openmin = (r || a->openmin || b->openmax);  in snd_interval_mulkdiv()
763 	if (b->min > 0) {  in snd_interval_mulkdiv()
764 		c->max = muldiv32(a->max, k, b->min, &r);  in snd_interval_mulkdiv()
769 			c->openmax = (a->openmax || b->openmin);  in snd_interval_mulkdiv()