FLOOR Round towards minus infinity.
FLOOR(X) rounds the elements of X to the nearest integers
towards minus infinity.
CEIL Round towards plus infinity.
CEIL(X) rounds the elements of X to the nearest integers
towards infinity.
FIX Round towards zero.
FIX(X) rounds the elements of X to the nearest integers
towards zero.
ROUND Round towards nearest integer.
ROUND(X) rounds the elements of X to the nearest integers.
本文详细介绍了四种常用的数学舍入函数:FLOOR(向下取整)、CEIL(向上取整)、FIX(向零取整)及ROUND(四舍五入)。这些函数广泛应用于数学运算中,对于精确控制数值具有重要意义。
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