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Moved UnitTests to tests/ and Skills to src/

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Alexander Liljengård
2016-05-24 13:53:56 +02:00
parent 11b5033c8a
commit 4ab0c5d719
64 changed files with 0 additions and 0 deletions
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45
src/TrueSkill/Factors/GaussianFactor.php Normal file
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<?php
namespace Moserware\Skills\TrueSkill\Factors;
require_once(dirname(__FILE__) . "/../../FactorGraphs/Factor.php");
require_once(dirname(__FILE__) . "/../../FactorGraphs/Message.php");
require_once(dirname(__FILE__) . "/../../FactorGraphs/Variable.php");
require_once(dirname(__FILE__) . "/../../Numerics/GaussianDistribution.php");
use Moserware\Numerics\GaussianDistribution;
use Moserware\Skills\FactorGraphs\Factor;
use Moserware\Skills\FactorGraphs\Message;
use Moserware\Skills\FactorGraphs\Variable;
abstract class GaussianFactor extends Factor
{
protected function __construct($name)
{
parent::__construct($name);
}
/**
* Sends the factor-graph message with and returns the log-normalization constant.
*/
protected function sendMessageVariable(Message &$message, Variable &$variable)
{
$marginal = &$variable->getValue();
$messageValue = &$message->getValue();
$logZ = GaussianDistribution::logProductNormalization($marginal, $messageValue);
$variable->setValue(GaussianDistribution::multiply($marginal, $messageValue));
return $logZ;
}
public function &createVariableToMessageBinding(Variable &$variable)
{
$newDistribution = GaussianDistribution::fromPrecisionMean(0, 0);
$binding = &parent::createVariableToMessageBindingWithMessage($variable,
new Message(
$newDistribution,
sprintf("message from %s to %s", $this, $variable)));
return $binding;
}
}
?>