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Stringable removed.

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This commit is contained in:
Jens True 2024-03-19 14:38:55 +00:00
parent e5a96226ca
commit 0095829906
6 changed files with 7 additions and 19 deletions
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7
src/Numerics/GaussianDistribution.php
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@ -13,7 +13,9 @@ namespace DNW\Skills\Numerics;
class GaussianDistribution
{
private const DEFAULT_STANDARD_DEVIATION = 1.0;
private const DEFAULT_MEAN = 0.0;
/**
* Square Root 2π.
* Precalculated constant for performance reasons
@ -42,8 +44,7 @@ class GaussianDistribution
public function __construct(private float $mean = self::DEFAULT_MEAN, private float $standardDeviation = self::DEFAULT_STANDARD_DEVIATION)
{
if($mean == self::DEFAULT_MEAN && $standardDeviation == self::DEFAULT_STANDARD_DEVIATION)
{
if ($mean == self::DEFAULT_MEAN && $standardDeviation == self::DEFAULT_STANDARD_DEVIATION) {
//Use all the defaults
return;
}
@ -187,7 +188,7 @@ class GaussianDistribution
return $multiplier * $expPart;
}
public static function cumulativeTo(float $x, float $mean = 0.0, float $standardDeviation = 1.0): float
public static function cumulativeTo(float $x): float
{
$result = GaussianDistribution::errorFunctionCumulativeTo(-M_SQRT1_2 * $x);

5
src/Player.php
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@ -59,9 +59,4 @@ class Player implements ISupportPartialPlay, ISupportPartialUpdate
{
return $this->PartialUpdatePercentage;
}
/*
public function __toString(): string
{
return (string)$this->Id;
}*/
}

7
src/Rating.php
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@ -9,7 +9,7 @@ use DNW\Skills\Numerics\GaussianDistribution;
/**
* Container for a player's rating.
*/
class Rating implements \Stringable
class Rating
{
private const CONSERVATIVE_STANDARD_DEVIATION_MULTIPLIER = 3;
@ -73,9 +73,4 @@ class Rating implements \Stringable
return new Rating($partialPosteriorGaussion->getMean(), $partialPosteriorGaussion->getStandardDeviation(), $prior->conservativeStandardDeviationMultiplier);
}
public function __toString(): string
{
return sprintf('mean=%.4f, standardDeviation=%.4f', $this->mean, $this->standardDeviation);
}
}

2
src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
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@ -77,6 +77,6 @@ class PlayerPriorValuesToSkillsLayer extends TrueSkillFactorGraphLayer
$parentFactorGraph = $this->getParentFactorGraph();
$variableFactory = $parentFactorGraph->getVariableFactory();
return $variableFactory->createKeyedVariable($key, (string)$key->getId() . "'s skill");
return $variableFactory->createKeyedVariable($key, $key->getId() . "'s skill");
}
}

2
src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
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@ -48,7 +48,7 @@ class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
private function createOutputVariable(mixed $key): KeyedVariable
{
return $this->getParentFactorGraph()->getVariableFactory()->createKeyedVariable($key, (string)$key->getId() . "'s performance");
return $this->getParentFactorGraph()->getVariableFactory()->createKeyedVariable($key, $key->getId() . "'s performance");
}
public function createPriorSchedule(): ?ScheduleSequence

3
tests/RatingTest.php
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@ -15,7 +15,6 @@ class RatingTest extends TestCase
$this->assertEquals(100, $rating->getMean());
$this->assertEquals(10, $rating->getStandardDeviation());
$this->assertEquals(50, $rating->getConservativeRating());
$this->assertEquals("mean=100.0000, standardDeviation=10.0000", (string)$rating);
}
public function testPartialUpdate(): void
@ -26,10 +25,8 @@ class RatingTest extends TestCase
$rating_partial = $rating->getPartialUpdate($ratingOld, $ratingNew, 0.5);
$this->assertEquals(150, $rating_partial->getMean());
$this->assertEquals(10, $rating_partial->getStandardDeviation());
$this->assertEquals(100, $rating_partial->getConservativeRating());
$this->assertEquals("mean=150.0000, standardDeviation=10.0000", (string)$rating_partial);
}
}