https://twentyonewiki.info/index.php?action=history&feed=atom&title=Module%3AExponential_search 2026-04-14T08:52:18Z Revision history for this page on the wiki MediaWiki 1.40.1 https://twentyonewiki.info/index.php?title=Module:Exponential_search&diff=5683&oldid=prev 2024-03-27T07:20:34Z

<p>1 revision imported</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 03:20, 27 March 2024</td> </tr> <!-- diff cache key twenizlx_mw1497-mw20_:diff::1.12:old-5682:rev-5683 --> </table>

Buburka Rinderbuy https://twentyonewiki.info/index.php?title=Module:Exponential_search&diff=5682&oldid=prev 2023-02-10T20:10:53Z

<p>strict</p> <p><b>New page</b></p><div>-- This module provides a generic exponential search algorithm.<br /> require[[strict]]<br /> <br /> local checkType = require('libraryUtil').checkType<br /> local floor = math.floor<br /> <br /> local function midPoint(lower, upper)<br /> return floor(lower + (upper - lower) / 2)<br /> end<br /> <br /> local function search(testFunc, i, lower, upper)<br /> if testFunc(i) then<br /> if i + 1 == upper then<br /> return i<br /> end<br /> lower = i<br /> if upper then<br /> i = midPoint(lower, upper)<br /> else<br /> i = i * 2<br /> end<br /> return search(testFunc, i, lower, upper)<br /> else<br /> upper = i<br /> i = midPoint(lower, upper)<br /> return search(testFunc, i, lower, upper)<br /> end<br /> end<br /> <br /> return function (testFunc, init)<br /> checkType('Exponential search', 1, testFunc, 'function')<br /> checkType('Exponential search', 2, init, 'number', true)<br /> if init and (init &lt; 1 or init ~= floor(init) or init == math.huge) then<br /> error(string.format(<br /> &quot;invalid init value '%s' detected in argument #2 to &quot; ..<br /> &quot;'Exponential search' (init value must be a positive integer)&quot;,<br /> tostring(init)<br /> ), 2)<br /> end<br /> init = init or 2<br /> if not testFunc(1) then<br /> return nil<br /> end<br /> return search(testFunc, init, 1, nil)<br /> end</div>

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