查看“LlFloor”的源代码

{{LSL Header|ml=*}}{{LSLC|Keywords}}{{LSLC|Flow Control}}{{LSLC|}}


{{函数详情
|函数名 = Function:  integer llFloor( float val );
|参数= 参数：float val –任何有效的浮点值
|返回值= 返回值：返回一个整数，该整数是向负无穷取整的val的整数值（返回<=val）。


|注意事项=如果算术结果超出有效整数的范围（包括-2147483648到2147483647），则返回值为-2147483648（0x8000000）。


|示例=
示例1
<pre>
default
{
   state_entry()
   {
       llSay(0,  "The floor value of -4.5 is: "+(string)llFloor(-4.5) );
       //Returns "The floor value of -4.5 is: -5"
 
       llSay(0,  "The floor value of -4.9 is: "+(string)llFloor(-4.9) );
       //Returns "The floor value of -4.9 is: -5"
 
       llSay(0,  "The floor value of -4.1 is: "+(string)llFloor(-4.1) );
       //Returns "The floor value of -4.1 is: -5"
 
       llSay(0,  "The floor value of 4.5 is: "+(string)llFloor(4.5) );
       //Returns "The floor value of 4.5 is: 4"
 
       llSay(0,  "The floor value of 4.9 is: "+(string)llFloor(4.9) );
       //Returns "The floor value of 4.9 is: 4"
 
       llSay(0,  "The floor value of 4.1 is: "+(string)llFloor(4.1) );
       //Returns "The floor value of 4.1 is: 4"
    }
}
</pre>

|相关函数=
[[llRound]] – 将浮点数舍入到接近最近整数的整数
 
[[llCeil]] – 将浮点向正无穷大取整
}}