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General cleanup and removal of all unnecessary references

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This commit is contained in:
Alexander Liljengård
2016-05-24 16:31:21 +02:00
parent 519ad85fad
commit a65f2aa9f3
43 changed files with 366 additions and 386 deletions
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23
src/TrueSkill/TwoPlayerTrueSkillCalculator.php
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@ -9,7 +9,6 @@ use Moserware\Skills\Rating;
use Moserware\Skills\RatingContainer;
use Moserware\Skills\SkillCalculator;
use Moserware\Skills\SkillCalculatorSupportedOptions;
use Moserware\Skills\PlayersRange;
use Moserware\Skills\TeamsRange;
@ -126,7 +125,7 @@ class TwoPlayerTrueSkillCalculator extends SkillCalculator
/**
* {@inheritdoc }
*/
public function calculateMatchQuality(GameInfo $gameInfo, array &$teams)
public function calculateMatchQuality(GameInfo $gameInfo, array $teams)
{
Guard::argumentNotNull($gameInfo, "gameInfo");
$this->validateTeamCountAndPlayersCountPerTeam($teams);
@ -146,18 +145,18 @@ class TwoPlayerTrueSkillCalculator extends SkillCalculator
$player2SigmaSquared = BasicMath::square($player2Rating->getStandardDeviation());
// This is the square root part of the equation:
$sqrtPart =
sqrt(
(2*$betaSquared)
/
(2*$betaSquared + $player1SigmaSquared + $player2SigmaSquared));
$sqrtPart = sqrt(
(2*$betaSquared)
/
(2*$betaSquared + $player1SigmaSquared + $player2SigmaSquared)
);
// This is the exponent part of the equation:
$expPart =
exp(
(-1*BasicMath::square($player1Rating->getMean() - $player2Rating->getMean()))
/
(2*(2*$betaSquared + $player1SigmaSquared + $player2SigmaSquared)));
$expPart = exp(
(-1*BasicMath::square($player1Rating->getMean() - $player2Rating->getMean()))
/
(2*(2*$betaSquared + $player1SigmaSquared + $player2SigmaSquared))
);
return $sqrtPart*$expPart;
}