a % b: Difference between revisions

Revision as of 00:32, 6 April 2021

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Description

Description:: Remainder of a divided by b.
Groups:: Math

Syntax

Syntax:: a % b
Parameters:: a: Number
: b: Number
Return Value:: Number

Examples

Example 1:: 4.5 % 3 // Result is 1.5

Additional Information

See also:: mod Operators

Notes

: Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note

Posted on 01:34, 16 April 2006

Hoz

Remainder is calculated in real domain.
a % b is identical to mod

You can use % to round a decimal number down to the nearest whole number. For example: If you wanted to use the command random to generate a whole number between 0 and 5, you could put this in a script:

_rand = random 6;
_num = _rand - (_rand % 1);

In A1, the new commands round, floor or ceil would be the easier way to round.

Posted on July 21, 2015 - 14:55 (UTC)

SilentSpike

Be careful when dealing with negative numbers. The way a modulo operation treats negatives differs between languages. In SQF truncated division is used, hence:

-12 % -10 = -2
-12 %  10 = -2
 12 % -10 =  2
 12 %  10 =  2

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