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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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15
src/TrueSkill/Factors/GaussianPriorFactor.php
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@ -13,7 +13,7 @@ class GaussianPriorFactor extends GaussianFactor
{
private $_newMessage;
public function __construct($mean, $variance, Variable &$variable)
public function __construct($mean, $variance, Variable $variable)
{
parent::__construct(sprintf("Prior value going to %s", $variable));
$this->_newMessage = new GaussianDistribution($mean, sqrt($variance));
@ -23,18 +23,17 @@ class GaussianPriorFactor extends GaussianFactor
$this->createVariableToMessageBindingWithMessage($variable, $newMessage);
}
protected function updateMessageVariable(Message &$message, Variable &$variable)
protected function updateMessageVariable(Message $message, Variable $variable)
{
$oldMarginal = clone $variable->getValue();
$oldMessage = $message;
$newMarginal =
GaussianDistribution::fromPrecisionMean(
$oldMarginal->getPrecisionMean() + $this->_newMessage->getPrecisionMean() - $oldMessage->getValue()->getPrecisionMean(),
$oldMarginal->getPrecision() + $this->_newMessage->getPrecision() - $oldMessage->getValue()->getPrecision());
$newMarginal = GaussianDistribution::fromPrecisionMean(
$oldMarginal->getPrecisionMean() + $this->_newMessage->getPrecisionMean() - $oldMessage->getValue()->getPrecisionMean(),
$oldMarginal->getPrecision() + $this->_newMessage->getPrecision() - $oldMessage->getValue()->getPrecision()
);
$variable->setValue($newMarginal);
$newMessage = &$this->_newMessage;
$message->setValue($newMessage);
$message->setValue($this->_newMessage);
return GaussianDistribution::subtract($oldMarginal, $newMarginal);
}
}