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== Example == | == Example == | ||
local number = round(math.pi, | local number = round(math.pi, 3) | ||
print(number) -- prints 3. | print(number) -- prints 3.142 | ||
==Code== | ==Code== | ||
<!-- No, no sanity checks are needed. That's the programmers responsibility. --> | <!-- No, no sanity checks are needed. That's the programmers responsibility. --> | ||
<pre>function round(number, decimals) | <pre>function round(number, decimals) | ||
return (("%%.%df"):format(decimals)):format(number) | |||
end</pre> | end</pre> | ||
== See Also == | |||
* [[truncate]] | |||
__NOTOC__ | __NOTOC__ | ||