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add ability to sieve custom function

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filifa
2026-05-04 22:25:30 -04:00
parent 14b640b2e3
commit e57a1c0335
2 changed files with 24 additions and 1 deletions
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11
junk/sieves/sieves.html
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@@ -20,6 +20,7 @@
<hgroup>
<h1>Sieving Multiplicative Functions</h1>
<p>Posted <time datetime="2026-04-15">April 15, 2026</time></p>
<p>Updated <time datetime="2026-05-04">May 4, 2026</time></p>
</hgroup>
<p>The
@@ -76,8 +77,15 @@
<option value="mobius">Mobius</option>
<option value="big-omega">Prime omega (with multiplicity)</option>
<option value="little-omega">Prime omega (without multiplicity)</option>
<option value="custom">Custom</option>
</select>
<label hidden id="custom-function-label" for="custom-function">Custom function definition</label>
<textarea hidden spellcheck=false placeholder="return Math.pow(p, k-1) * (p-1);" id="custom-function"></textarea>
<label hidden id="custom-function-additive-label" for="custom-function-additive">Function is additive</label>
<input hidden type="checkbox" id="custom-function-additive" />
<input type="button" id="enter" value="Enter" />
</div>
@@ -1125,7 +1133,8 @@ function mobius(p, k) {
<p>Many multiplicative and additive functions have simple formulas
for prime powers, which makes adding a new function to sieve very
easy with this approach.</p>
easy with this approach. The demo even lets you write your own custom
function to sieve - try it out!</p>
</section>
<section>