WoW:USERAPI round

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Revision as of 00:33, 17 January 2010 by WoWWiki>Sippeangelo (Wow, the old one was overly complicated.)
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This page documents a <i>user-defined function</i> that you can copy and paste into your addon. Replace PREFIX with your addon or lib prefix to avoid conflicts between different versions of these functions.

User defined functions


Round a number off to n places.

number = round(number, decimals)

Function Parameters

Arguments

number
Number. The number to round.
decimals
Number. Round to this many places.

Returns

number
Number. The rounded number.

Example

local number = round(math.pi, 2)
print(number) -- prints 3.14

Code

function round(number, decimals)
	return number - (number % (0.1 ^ decimals))
end