| protected bitapScore ( integer $errors, integer $matchLoc, integer $patternLen, integer $searchLoc ) : float | ||
| $errors | integer | Number of errors in match. |
| $matchLoc | integer | Location of match. |
| $patternLen | integer | Length of pattern to search. |
| $searchLoc | integer | The location to search around. TODO refactor param usage. |
| return | float | Overall score for match (0.0 = good, 1.0 = bad). |
protected function bitapScore($errors, $matchLoc, $patternLen, $searchLoc)
{
$accuracy = $errors / $patternLen;
$proximity = abs($searchLoc - $matchLoc);
if (!$this->getDistance()) {
// Dodge divide by zero error.
return $proximity ? 1.0 : $accuracy;
}
return $accuracy + $proximity / $this->getDistance();
}