a % b: Difference between revisions

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|gr1= Math
|gr1= Math


|descr= Remainder of '''a''' divided by '''b'''.
|descr= Remainder of ''a'' divided by ''b''.
 
|alias= [[mod]]


|s1= a [[a % b|%]] b
|s1= a [[a % b|%]] b
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|r1= [[Number]]
|r1= [[Number]]


|x1= <code>4.5 [[a % b|%]] 3 {{cc|Result is 1.5}}</code>
|x1= <sqf>4.5 % 3 // result is 1.5</sqf>


|seealso= [[mod]], [[Operators]]
|seealso= [[mod]] [[Operators]]
}}
}}


<dl class="command_description">
{{Note
 
|user= Hoz
<dt></dt>
|timestamp= 20060416013400
<dd class="notedate">Posted on 01:34, 16 April 2006</dd>
|text= <nowiki/>
<dt class="note">[[User:Hoz|Hoz]]</dt>
<dd class="note">
* Remainder is calculated in real domain.
* Remainder is calculated in real domain.
* [[a % b]] is identical to [[mod]]
* [[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:  
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:  
<code>_rand = [[random]] 6;
<sqf>
_rand = random 6;
_num = _rand - (_rand % 1);
_num = _rand - (_rand % 1);
</code>
</sqf>
In A1, the new commands [[round]], [[floor]] or [[ceil]] would be the easier way to round.
In A1, the new commands [[round]], [[floor]] or [[ceil]] would be the easier way to round.
</dd>
}}


<dt><dt>
{{Note
<dd class="notedate">Posted on July 21, 2015 - 14:55 (UTC)</dd>
|user= SilentSpike
<dt class="note">[[User:SilentSpike|SilentSpike]]</dt>
|timestamp= 20150721145500
<dd class="note">
|text= Be careful when dealing with negative numbers. The way a modulo operation treats negatives differs between languages. In SQF truncated division is used, hence:
Be careful when dealing with negative numbers. The way a modulo operation treats negatives differs between languages. In SQF truncated division is used, hence:
<sqf>
<code>-12 % -10 = -2
-12 % -10 = -2
-12 %  10 = -2
-12 %  10 = -2
  12 % -10 =  2
  12 % -10 =  2
  12 %  10 =  2</code>
  12 %  10 =  2
</dd>
</sqf>
 
}}
</dl>

Latest revision as of 08:44, 13 May 2022

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Description

Description:
Remainder of a divided by b.
Alias:
mod
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
Hoz - c
Posted on Apr 16, 2006 - 01:34 (UTC)
  • 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.
SilentSpike - c
Posted on Jul 21, 2015 - 14:55 (UTC)
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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