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roundup( 数值; [位数]) 函数返回向上舍入的值。 位数是您想要舍入到数值的小数位数。 如果位数是零或省略, 数值将向上舍入到的最接近的整数 。
the roundup(value; [digits]) function returns value rounded up. digits is the number of digits to which you want to round that number. if digits is zero or omitted, value is rounded up to the nearest integer.