llRound

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/LSL

Round

llRound

Summary

Function: integer llRound( float val );

0.0	Forced Delay
10.0	Energy

Returns the integer that val is closest to.

• float

val

–

Any valid float value

If the absolute value of the tenths position is 4 or less, val is rounded off; otherwise, val is rounded towards infinity of like signedness of val.

Caveats

The function returns -2147483648 (0x80000000) if the nearest integer value to the input would be outside of the range of valid integers (-2147483648 to 2147483647)

Examples

basic test

test with user-defined function

<lsl> default { state_entry() { llSay(0,"The rounded value of -4.5 is: "+(string)llRound(-4.5) ); //Returns "The rounded value of -4.5 is: -4" llSay(0,"The rounded value of -4.9 is: "+(string)llRound(-4.9) ); //Returns "The rounded value of -4.9 is: -5" llSay(0,"The rounded value of -4.1 is: "+(string)llRound(-4.1) ); //Returns "The rounded value of -4.1 is: -4" llSay(0,"The rounded value of 4.5 is: "+(string)llRound(4.5) ); //Returns "The rounded value of 4.5 is: 5" llSay(0,"The rounded value of 4.9 is: "+(string)llRound(4.9) ); //Returns "The rounded value of 4.9 is: 5" llSay(0,"The rounded value of 4.1 is: "+(string)llRound(4.1) ); //Returns "The rounded value of 4.1 is: 4" } } </lsl>

<lsl> publish_rounded_value_as_string(float input) { llSay(PUBLIC_CHANNEL, "The rounded value of " + (string)input + " is: " + (string)llRound(input)); } default { state_entry() { publish_rounded_value_as_string(-4.5); // "The rounded value of -4.5 is: -4" publish_rounded_value_as_string(-4.9); // "The rounded value of -4.9 is: -5" publish_rounded_value_as_string(-4.1); // "The rounded value of -4.1 is: -4" publish_rounded_value_as_string(4.5); // "The rounded value of 4.5 is: 5" publish_rounded_value_as_string(4.9); // "The rounded value of 4.9 is: 5" publish_rounded_value_as_string(4.1); // "The rounded value of 4.1 is: 4" } } </lsl>

See Also

Functions

•	llCeil	–	Rounds the float to an integer towards positive infinity
•	llFloor	–	Rounds the float to an integer towards negative infinity

Deep Notes

Signature
function integer llRound( float val );