https://signal-12.com/wiki/index.php?action=history&feed=atom&title=Module%3ADecimals 2026-06-04T01:35:41Z Revision history for this page on the wiki MediaWiki 1.45.3 https://signal-12.com/wiki/index.php?title=Module:Decimals&diff=867&oldid=prev 2017-03-21T01:09:11Z

<p>1 revision imported</p> <p><b>New page</b></p><div>require(&#039;Module:No globals&#039;)<br /> <br /> local p = {}<br /> <br /> function p._main(n, d)<br /> local num = tonumber(n)<br /> if not num then<br /> error(&#039;Unable to convert &quot;&#039; .. tostring(n) .. &#039;&quot; to a number&#039;)<br /> end<br /> local decimals = tonumber(d)<br /> if not decimals then<br /> error(&#039;Unable to convert &quot;&#039; .. tostring(d) .. &#039;&quot; to a number&#039;)<br /> end<br /> local maxDecimals = 14 - math.floor(math.log10(num)) -- to allow a maximum of 15 significant figures, which is the highest guaranteed correct with doubles<br /> if decimals &gt; maxDecimals then decimals = maxDecimals end<br /> local mult = 10^decimals<br /> num = math.floor(num * mult + 0.5) / mult<br /> if decimals &lt; 0 then<br /> return tostring(num)<br /> else<br /> return string.format(&#039;%.&#039; .. decimals .. &#039;f&#039;, num)<br /> end<br /> end<br /> <br /> function p.main(frame)<br /> local args, pargs = frame.args, frame:getParent().args<br /> return p._main(mw.ext.ParserFunctions.expr(args[1] or pargs[1]), mw.ext.ParserFunctions.expr(args[2] or pargs[2]))<br /> end<br /> <br /> return p</div>

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