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| 函数名 | 
| Function:integer llCeil(float val); | 
| 参数:float val-Any valid float value | 
| 返回值:Return an integer that is the integer value of val rounded towards positive infinity(return>=val). | 
| 注意事项 | 
| The returned value is -2147483648(Ox80000000)if the arithmetic result is outside of the range of valid integers(-2147483648 to 2147483647) | 
| 示例 | 
| 
default
{
   state_entry()
   {
       llSay(0, "The ceil value of -4.5 is: " + (string)llCeil(-4.5));
//              "The ceil value of -4.5 is: -4"
 
       llSay(0, "The ceil value of -4.9 is: " + (string)llCeil(-4.9));
//              "The ceil value of -4.9 is: -4"
 
       llSay(0, "The ceil value of -4.1 is: " + (string)llCeil(-4.1));
//              "The ceil value of -4.1 is: -4"
 
       llSay(0, "The ceil value of 4.5 is: " + (string)llCeil(4.5));
//              "The ceil value of 4.5 is: 5"
 
       llSay(0, "The ceil value of 4.9 is: " + (string)llCeil(4.9));
//              "The ceil value of 4.9 is: 5"
 
       llSay(0, "The ceil value of 4.1 is: " + (string)llCeil(4.1));
//              "The ceil value of 4.1 is: 5"
    }
}
 | 
| 相关函数 | 
| llRound - Rounds the float to an integer towards the closest integer llFloor - Rounds the flost to an integer towards negative infinity
 |