728 	ULong carry = 1, y;  in increment()  local
743 		y = *x + carry;  in increment()
744 		carry = y >> 16;  in increment()
746 		if (!carry)  in increment()
749 	if (carry)  in increment()
917 	ULong carry, y, z;  local
952 			carry = 0;
954 				z = (*x & 0xffff) * y + (*xc & 0xffff) + carry;
955 				carry = z >> 16;
956 				z2 = (*x++ >> 16) * y + (*xc >> 16) + carry;
957 				carry = z2 >> 16;
961 			*xc = carry;
966 			carry = 0;
969 				z = (*x & 0xffff) * y + (*xc >> 16) + carry;
970 				carry = z >> 16;
972 				z2 = (*x++ >> 16) * y + (*xc & 0xffff) + carry;
973 				carry = z2 >> 16;
984 			carry = 0;
986 				z = *x++ * y + *xc + carry;
987 				carry = z >> 16;
991 			*xc = carry;
2195 	ULong carry, q, ys;  local
2223 		carry = 0;
2227 			ys = (si & 0xffff) * q + carry;
2229 			carry = zs >> 16;
2238 			ys = *sx++ * q + carry;
2239 			carry = ys >> 16;
2257 		carry = 0;
2263 			ys = (si & 0xffff) + carry;
2265 			carry = zs >> 16;
2274 			ys = *sx++ + carry;
2275 			carry = ys >> 16;