More code standards

src/FactorGraphs/Factor.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 use DNW\Skills\Guard;
@@ -94,6 +96,7 @@ abstract class Factor implements \Stringable
 
     /**
      * Sends the ith message to the marginal and returns the log-normalization constant
+     *
      * @throws Exception
      */
     public function sendMessageIndex(int $messageIndex): float|int

src/FactorGraphs/FactorGraphLayer.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 use DNW\Skills\FactorGraphs\ScheduleSequence;
@@ -42,6 +44,7 @@ abstract class FactorGraphLayer
 
     /**
      * This reference is still needed
+     *
      * @return array<int,array<int,object>>
      */
     public function &getOutputVariablesGroups(): array
@@ -82,11 +85,11 @@ abstract class FactorGraphLayer
 
     public function createPriorSchedule(): ?ScheduleSequence
     {
-        return null;
+        return NULL;
     }
 
     public function createPosteriorSchedule(): ?ScheduleSequence
     {
-        return null;
+        return NULL;
     }
 }

src/FactorGraphs/FactorList.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 /**

src/FactorGraphs/ScheduleLoop.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 class ScheduleLoop extends Schedule

src/FactorGraphs/ScheduleSequence.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 class ScheduleSequence extends Schedule

src/FactorGraphs/ScheduleStep.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 class ScheduleStep extends Schedule

src/FactorGraphs/Variable.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 use DNW\Skills\Numerics\GaussianDistribution;

src/FactorGraphs/VariableFactory.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\FactorGraphs;
 
 class VariableFactory

src/GameInfo.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills;
 
 /**
@@ -23,7 +25,8 @@ class GameInfo
         private float $beta = self::DEFAULT_BETA,
         private float $dynamicsFactor = self::DEFAULT_DYNAMICS_FACTOR,
         private float $drawProbability = self::DEFAULT_DRAW_PROBABILITY
-    ) {
+    )
+    {
     }
 
     public function getInitialMean(): float

src/Guard.php

@@ -13,7 +13,7 @@ class Guard
 {
     public static function argumentNotNull(mixed $value, string $parameterName): void
     {
-        if ($value == null) {
+        if ($value == NULL) {
             throw new Exception($parameterName . ' can not be null');
         }
     }

src/Numerics/DiagonalMatrix.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\Numerics;
 
 class DiagonalMatrix extends Matrix

src/Numerics/Matrix.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\Numerics;
 
 use Exception;
@@ -11,7 +13,7 @@ class Matrix
     /**
      * @param array<int,array<int,float>> $matrixRowData
      */
-    public function __construct(private int $rowCount = 0, private int $columnCount = 0, private array $matrixRowData = array())
+    public function __construct(private int $rowCount = 0, private int $columnCount = 0, private array $matrixRowData = [])
     {
     }
 
@@ -307,7 +309,7 @@ class Matrix
     public function equals(Matrix $otherMatrix): bool
     {
         if (($this->rowCount != $otherMatrix->getRowCount()) || ($this->columnCount != $otherMatrix->getColumnCount())) {
-            return false;
+            return FALSE;
         }
 
         for ($currentRow = 0; $currentRow < $this->rowCount; $currentRow++) {
@@ -319,11 +321,11 @@ class Matrix
                     );
 
                 if ($delta > self::ERROR_TOLERANCE) {
-                    return false;
+                    return FALSE;
                 }
             }
         }
 
-        return true;
+        return TRUE;
     }
 }

src/RankSorter.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills;
 
 /**
@@ -10,8 +12,9 @@ class RankSorter
     /**
      * Performs an in-place sort of the items in according to the ranks in non-decreasing order.
      *
-     * @param  array<mixed> $teams     The items to sort according to the order specified by ranks.
-     * @param  array<int>   $teamRanks The ranks for each item where 1 is first place.
+     * @param array<mixed> $teams     The items to sort according to the order specified by ranks.
+     * @param array<int>   $teamRanks The ranks for each item where 1 is first place.
+     *
      * @return array<int>
      */
     public static function sort(array &$teams, array &$teamRanks): array

src/SkillCalculator.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills;
 
 use Exception;
@@ -13,15 +15,17 @@ abstract class SkillCalculator
         private int $supportedOptions,
         private readonly TeamsRange $totalTeamsAllowed,
         private readonly PlayersRange $playersPerTeamAllowed
-    ) {
+    )
+    {
     }
 
     /**
      * Calculates new ratings based on the prior ratings and team ranks.
      *
-     * @param  GameInfo $gameInfo  Parameters for the game.
-     * @param  Team[]   $teams     A mapping of team players and their ratings.
-     * @param  int[]    $teamRanks The ranks of the teams where 1 is first place. For a tie, repeat the number (e.g. 1, 2, 2).
+     * @param GameInfo $gameInfo  Parameters for the game.
+     * @param Team[]   $teams     A mapping of team players and their ratings.
+     * @param int[]    $teamRanks The ranks of the teams where 1 is first place. For a tie, repeat the number (e.g. 1, 2, 2).
+     *
      * @return RatingContainer All the players and their new ratings.
      */
     abstract public function calculateNewRatings(
@@ -35,6 +39,7 @@ abstract class SkillCalculator
      *
      * @param  GameInfo $gameInfo Parameters for the game.
      * @param  Team[]   $teams    A mapping of team players and their ratings.
+     *
      * @return float The quality of the match between the teams as a percentage (0% = bad, 100% = well matched).
      */
     abstract public function calculateMatchQuality(GameInfo $gameInfo, array $teams): float;

src/Team.php

@@ -4,7 +4,7 @@ namespace DNW\Skills;
 
 class Team extends RatingContainer
 {
-    public function __construct(Player $player = null, Rating $rating = null)
+    public function __construct(Player $player = NULL, Rating $rating = NULL)
     {
         parent::__construct();
 

src/Teams.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills;
 
 class Teams

src/TeamsRange.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills;
 
 use DNW\Skills\Numerics\Range;

src/TrueSkill/DrawMargin.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill;
 
 use DNW\Skills\Numerics\GaussianDistribution;

src/TrueSkill/Factors/GaussianWeightedSumFactor.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill\Factors;
 
 use DNW\Skills\FactorGraphs\Message;

src/TrueSkill/Layers/IteratedTeamDifferencesInnerLayer.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill\Layers;
 
 use DNW\Skills\FactorGraphs\ScheduleLoop;

src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill\Layers;
 
 use DNW\Skills\FactorGraphs\ScheduleStep;
@@ -87,7 +89,7 @@ class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLaye
      */
     private function createOutputVariable(array $team): Variable
     {
-        $memberNames = array_map(fn ($currentPlayer) => (string) ($currentPlayer->getKey()), $team);
+        $memberNames = array_map(fn ($currentPlayer) => (string)($currentPlayer->getKey()), $team);
 
         $teamMemberNames = \implode(', ', $memberNames);
 

src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill\Layers;
 
 use DNW\Skills\FactorGraphs\ScheduleStep;

src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill\Layers;
 
 use DNW\Skills\FactorGraphs\KeyedVariable;

src/TrueSkill/Layers/TeamDifferencesComparisonLayer.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill\Layers;
 
 use DNW\Skills\TrueSkill\DrawMargin;

src/TrueSkill/Layers/TeamPerformancesToTeamPerformanceDifferencesLayer.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill\Layers;
 
 use DNW\Skills\FactorGraphs\Variable;

src/TrueSkill/TrueSkillFactorGraph.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill;
 
 use DNW\Skills\FactorGraphs\FactorGraph;
@@ -60,11 +62,11 @@ class TrueSkillFactorGraph extends FactorGraph
 
     public function buildGraph(): void
     {
-        $lastOutput = null;
+        $lastOutput = NULL;
 
         $layers = $this->layers;
         foreach ($layers as $currentLayer) {
-            if ($lastOutput != null) {
+            if ($lastOutput != NULL) {
                 $currentLayer->setInputVariablesGroups($lastOutput);
             }
 
@@ -105,7 +107,7 @@ class TrueSkillFactorGraph extends FactorGraph
         $layers = $this->layers;
         foreach ($layers as $currentLayer) {
             $currentPriorSchedule = $currentLayer->createPriorSchedule();
-            if ($currentPriorSchedule != null) {
+            if ($currentPriorSchedule != NULL) {
                 $fullSchedule[] = $currentPriorSchedule;
             }
         }
@@ -114,7 +116,7 @@ class TrueSkillFactorGraph extends FactorGraph
 
         foreach ($allLayersReverse as $currentLayer) {
             $currentPosteriorSchedule = $currentLayer->createPosteriorSchedule();
-            if ($currentPosteriorSchedule != null) {
+            if ($currentPosteriorSchedule != NULL) {
                 $fullSchedule[] = $currentPosteriorSchedule;
             }
         }

src/TrueSkill/TruncatedGaussianCorrectionFunctions.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill;
 
 use DNW\Skills\Numerics\GaussianDistribution;

src/TrueSkill/TwoPlayerTrueSkillCalculator.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill;
 
 use DNW\Skills\GameInfo;

src/TrueSkill/TwoTeamTrueSkillCalculator.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace DNW\Skills\TrueSkill;
 
 use DNW\Skills\GameInfo;