http://ml.sayahna.org/index.php?action=history&feed=atom&title=Module%3ADecimals 2026-04-24T06:38:06Z Revision history for this page on the wiki MediaWiki 1.31.5 http://ml.sayahna.org/index.php?title=Module:Decimals&diff=12532&oldid=prev 2014-08-22T07:26:42Z

<p>1 revision</p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">Revision as of 07:26, 22 August 2014</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Cvr http://ml.sayahna.org/index.php?title=Module:Decimals&diff=12531&oldid=prev 2014-07-04T22:05:40Z

<p>use mw.ext.ParserFunctions.expr</p> <p><b>New page</b></p><div>require('Module:No globals')<br /> <br /> local p = {}<br /> <br /> function p._main(n, d)<br /> local num = tonumber(n)<br /> if not num then<br /> error('Unable to convert &quot;' .. tostring(n) .. '&quot; to a number')<br /> end<br /> local decimals = tonumber(d)<br /> if not decimals then<br /> error('Unable to convert &quot;' .. tostring(d) .. '&quot; to a number')<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('%.' .. decimals .. 'f', 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>

Jackmcbarn