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Travis build: 11

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30secondsofcode
2018-06-23 07:22:21 +00:00
parent 70f9d37649
commit 0f6d4dba24
3 changed files with 13 additions and 15 deletions
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11
README.md
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@ -5171,13 +5171,12 @@ const elo = ([...ratings], kFactor = 32, selfRating) => {
(selfRating || rating) + kFactor * (i - expectedScore(i ? a : b, i ? b : a));
if (ratings.length === 2) {
return [newRating(a, 1), newRating(b, 0)];
} else {
for (let i = 0; i < ratings.length; i++) {
let j = i;
while (j < ratings.length - 1) {
[ratings[i], ratings[j + 1]] = elo([ratings[i], ratings[j + 1]], kFactor);
j++;
}
for (let i = 0, len = ratings.length; i < len; i++) {
let j = i;
while (j < len - 1) {
j++;
[ratings[i], ratings[j]] = elo([ratings[i], ratings[j]], kFactor);
}
}
return ratings;

9
docs/math.html
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@ -116,13 +116,12 @@
<span class="token punctuation">(</span>selfRating <span class="token operator">||</span> rating<span class="token punctuation">)</span> <span class="token operator">+</span> kFactor <span class="token operator">*</span> <span class="token punctuation">(</span>i <span class="token operator">-</span> <span class="token function">expectedScore</span><span class="token punctuation">(</span>i <span class="token operator">?</span> a <span class="token punctuation">:</span> b<span class="token punctuation">,</span> i <span class="token operator">?</span> b <span class="token punctuation">:</span> a<span class="token punctuation">));</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>ratings<span class="token punctuation">.</span>length <span class="token operator">===</span> <span class="token number">2</span><span class="token punctuation">) {</span>
<span class="token keyword">return</span> <span class="token punctuation">[</span><span class="token function">newRating</span><span class="token punctuation">(</span>a<span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">),</span> <span class="token function">newRating</span><span class="token punctuation">(</span>b<span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)];
}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">let</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> ratings<span class="token punctuation">.</span>length<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">) {</span>
}</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">let</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">,</span> len <span class="token operator">=</span> ratings<span class="token punctuation">.</span>length<span class="token punctuation">;</span> i <span class="token operator">&lt;</span> len<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">) {</span>
<span class="token keyword">let</span> j <span class="token operator">=</span> i<span class="token punctuation">;</span>
<span class="token keyword">while</span> <span class="token punctuation">(</span>j <span class="token operator">&lt;</span> ratings<span class="token punctuation">.</span>length <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">) {
[</span>ratings<span class="token punctuation">[</span>i<span class="token punctuation">],</span> ratings<span class="token punctuation">[</span>j <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">]]</span> <span class="token operator">=</span> <span class="token function">elo</span><span class="token punctuation">([</span>ratings<span class="token punctuation">[</span>i<span class="token punctuation">],</span> ratings<span class="token punctuation">[</span>j <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">]],</span> kFactor<span class="token punctuation">);</span>
<span class="token keyword">while</span> <span class="token punctuation">(</span>j <span class="token operator">&lt;</span> len <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">) {</span>
j<span class="token operator">++</span><span class="token punctuation">;
}
[</span>ratings<span class="token punctuation">[</span>i<span class="token punctuation">],</span> ratings<span class="token punctuation">[</span>j<span class="token punctuation">]]</span> <span class="token operator">=</span> <span class="token function">elo</span><span class="token punctuation">([</span>ratings<span class="token punctuation">[</span>i<span class="token punctuation">],</span> ratings<span class="token punctuation">[</span>j<span class="token punctuation">]],</span> kFactor<span class="token punctuation">);
}
}</span>
<span class="token keyword">return</span> ratings<span class="token punctuation">;