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Another pass at fixing up references

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This commit is contained in:
Jeff Moser
2010-09-30 08:25:31 -04:00
parent 5368f7528e
commit 803a0816a8
28 changed files with 168 additions and 103 deletions
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5
PHPSkills/TrueSkill/Factors/GaussianFactor.php
View File

@ -29,12 +29,13 @@ abstract class GaussianFactor extends Factor
return $logZ;
}
public function createVariableToMessageBinding(Variable &$variable)
public function &createVariableToMessageBinding(Variable &$variable)
{
return parent::createVariableToMessageBindingWithMessage($variable,
$binding = &parent::createVariableToMessageBindingWithMessage($variable,
new Message(
GaussianDistribution::fromPrecisionMean(0, 0),
sprintf("message from %s to %s", $this, $variable)));
return $binding;
}
}

4
PHPSkills/TrueSkill/Factors/GaussianLikelihoodFactor.php
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@ -28,8 +28,8 @@ class GaussianLikelihoodFactor extends GaussianFactor
public function getLogNormalization()
{
$vars = $this->getVariables();
$messages = $this->getMessages();
$vars = &$this->getVariables();
$messages = &$this->getMessages();
return GaussianDistribution::logRatioNormalization(
$vars[0]->getValue(),

2
PHPSkills/TrueSkill/Factors/GaussianWeightedSumFactor.php
View File

@ -118,7 +118,7 @@ class GaussianWeightedSumFactor extends GaussianFactor
$this->createVariableToMessageBinding($sumVariable);
foreach ($variablesToSum as $currentVariable)
foreach ($variablesToSum as &$currentVariable)
{
$this->createVariableToMessageBinding($currentVariable);
}