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Tenative pass at getting prior layer working. Found out about division by zero and closure differences.

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This commit is contained in:
Jeff Moser
2010-09-25 18:25:56 -04:00
parent 086d94865f
commit fa10d276d6
11 changed files with 36 additions and 23 deletions
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9
PHPSkills/FactorGraphs/Factor.php
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@ -9,7 +9,6 @@ require_once(dirname(__FILE__) . "/Variable.php");
use Moserware\Skills\Guard;
use Moserware\Skills\HashMap;
abstract class Factor
{
private $_messages = array();
@ -21,7 +20,7 @@ abstract class Factor
protected function __construct($name)
{
$this->_name = "Factor[" . $name . "]";
$this->_messagesToVariableBinding = new HashMap();
$this->_messageToVariableBinding = new HashMap();
}
/// Returns the log-normalization constant of that factor
@ -81,12 +80,12 @@ abstract class Factor
public abstract function createVariableToMessageBinding(Variable &$variable);
protected function createVariableToMessageBindingWithMessage(Variable &$variable, Variable &$message)
protected function createVariableToMessageBindingWithMessage(Variable &$variable, Message &$message)
{
$index = count($this->_messages);
$this->_messages[] = $message;
$this->_messages[] = $message;
$this->_messageToVariableBinding->setValue($message, $variable);
$this->_variables[] = $variable;
$this->_variables[] = &$variable;
return $message;
}