落雨晴 @ 2017-01-06 18:12:37
为什么只能用double定义sn?
by 1124828077ccj @ 2017-01-06 18:21:18
@落雨晴 不然你用什么类型
by 落雨晴 @ 2017-01-13 16:37:59
float
by 1124828077ccj @ 2017-01-14 21:11:50
@落雨晴 精度不够