12 static void do_cancel_out(u32 *num, u32 *den, u32 factor)  in do_cancel_out()  argument
16 		   ((*den)/factor*factor == (*den))) {  in do_cancel_out()
18 			(*den) /= factor;  in do_cancel_out()
145 void cancel_out(u32 *num, u32 *den, u32 den_limit)  in cancel_out()  argument
147 	do_cancel_out(num, den, 2);  in cancel_out()
148 	do_cancel_out(num, den, 3);  in cancel_out()
149 	do_cancel_out(num, den, 5);  in cancel_out()
150 	do_cancel_out(num, den, 7);  in cancel_out()
151 	do_cancel_out(num, den, 11);  in cancel_out()
152 	do_cancel_out(num, den, 13);  in cancel_out()
153 	do_cancel_out(num, den, 17);  in cancel_out()
154 	while ((*den) > den_limit) {  in cancel_out()
158 		 * (num/den) is always <= the desired value  in cancel_out()
160 		*den = (*den + 1) / 2;  in cancel_out()