math_div           52 kernel/time/timeconv.c 	long leaps1 = math_div(y1 - 1, 4) - math_div(y1 - 1, 100)
math_div           53 kernel/time/timeconv.c 		+ math_div(y1 - 1, 400);
math_div           54 kernel/time/timeconv.c 	long leaps2 = math_div(y2 - 1, 4) - math_div(y2 - 1, 100)
math_div           55 kernel/time/timeconv.c 		+ math_div(y2 - 1, 400);
math_div          110 kernel/time/timeconv.c 		long yg = y + math_div(days, 365);