jct/trueskill
1
0
Fork 0
mirror of https://github.com/furyfire/trueskill.git synced 2025-04-16 11:04:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

CodeBeautifier for PSR-12 standard.

Browse Source
This commit is contained in:
Jens True
2023-08-01 13:53:19 +00:00
parent da8125be94
commit c8c126962d
27 changed files with 307 additions and 213 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/TrueSkill/Factors/GaussianGreaterThanFactor.php
View File

@ -14,22 +14,26 @@ use DNW\Skills\TrueSkill\TruncatedGaussianCorrectionFunctions;
*/
class GaussianGreaterThanFactor extends GaussianFactor
{
private $_epsilon;
private $epsilon;
public function __construct($epsilon, Variable $variable)
{
parent::__construct(\sprintf('%s > %.2f', $variable, $epsilon));
$this->_epsilon = $epsilon;
$this->epsilon = $epsilon;
$this->createVariableToMessageBinding($variable);
}
public function getLogNormalization()
{
/** @var Variable[] $vars */
/**
* @var Variable[] $vars
*/
$vars = $this->getVariables();
$marginal = $vars[0]->getValue();
/** @var Message[] $messages */
/**
* @var Message[] $messages
*/
$messages = $this->getMessages();
$message = $messages[0]->getValue();
$messageFromVariable = GaussianDistribution::divide($marginal, $message);
@ -38,7 +42,7 @@ class GaussianGreaterThanFactor extends GaussianFactor
+
log(
GaussianDistribution::cumulativeTo(
($messageFromVariable->getMean() - $this->_epsilon) /
($messageFromVariable->getMean() - $this->epsilon) /
$messageFromVariable->getStandardDeviation()
)
);
@ -57,7 +61,7 @@ class GaussianGreaterThanFactor extends GaussianFactor
$dOnSqrtC = $d / $sqrtC;
$epsilsonTimesSqrtC = $this->_epsilon * $sqrtC;
$epsilsonTimesSqrtC = $this->epsilon * $sqrtC;
$d = $messageFromVar->getPrecisionMean();
$denom = 1.0 - TruncatedGaussianCorrectionFunctions::wExceedsMargin($dOnSqrtC, $epsilsonTimesSqrtC);