andre/30-seconds-of-code
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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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13
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;