math.ceil()向上取整
时间: 2023-11-04 21:05:56 浏览: 120
取整函数-12.04.14.pdf
math.ceil()是一个数学函数,用于将一个数向上取整。具体来说,如果小数部分大于0,则整数部分加1;如果小数部分等于0,则返回原数。\[1\]例如,对于正数3.1415926,使用Math.ceil()函数后结果为4.0;对于负数-15.23,使用Math.ceil()函数后结果为-15.0。\[1\]在Python中,使用math.ceil()函数也可以实现向上取整的功能。例如,math.ceil(-45.17)的结果为-45.0,math.ceil(100.12)的结果为101.0。\[2\]在JavaScript中,由于Math.round()函数过于粗暴,可以使用单独编写的函数来处理向上取整的情况,其中包括使用Math.ceil()方法。\[3\]
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