142 	bool carryIn, carryOut;  in add()  local
158 	for (i = 0, carryIn = false; i < b2->len; i++) {  in add()
165 		if (carryIn) {  in add()
170 		carryIn = carryOut; // Pass the carry along  in add()
174 	for (; i < a2->len && carryIn; i++) {  in add()
176 		carryIn = (temp == 0);  in add()
184 	if (carryIn)  in add()
323 	bool carryIn, carryOut;  in multiply()  local
349 			for (j = 0, k = i, carryIn = false; j <= b.len; j++, k++) {  in multiply()
356 				if (carryIn) {  in multiply()
361 				carryIn = carryOut;  in multiply()
365 			for (; carryIn; k++) {  in multiply()
367 				carryIn = (blk[k] == 0);  in multiply()