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Euclidean optimization (#42)

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* Euclidean optimization

* Euclidean with foreach
This commit is contained in:
Mustafa Karabulut 2017-02-09 12:30:38 +03:00 committed by Arkadiusz Kondas
parent 1d73503958
commit 0a58a71d77
1 changed files with 2 additions and 3 deletions
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5
src/Phpml/Math/Distance/Euclidean.php
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@ -24,10 +24,9 @@ class Euclidean implements Distance
} }
$distance = 0; $distance = 0;
$count = count($a);
for ($i = 0; $i < $count; ++$i) { foreach ($a as $i => $val) {
$distance += pow($a[$i] - $b[$i], 2); $distance += ($val - $b[$i]) ** 2;
} }
return sqrt((float) $distance); return sqrt((float) $distance);