Further slow progress.

.gitignore

@@ -6,3 +6,4 @@ vendor
 bin
 .phpunit.cache
 composer.phar
+output/

composer.json

@@ -24,7 +24,7 @@
   },
   "scripts": {
     "test":           "vendor/bin/phpunit tests --display-warnings",
-    "test-coverage":  "vendor/bin/phpunit tests --testdox --coverage-filter src --coverage-html output/coverage --coverage-text --path-coverage --testdox-html output/test.html  --log-junit output/test.xml ", 
+    "test-coverage":  "vendor/bin/phpunit tests --testdox --coverage-filter src --coverage-html output/coverage --coverage-text --testdox-html output/test.html  --log-junit output/test.xml", 
     "analyze": [
         "@analyze-phpstan",
         "@analyze-psalm",

examples/3teams.php

@@ -0,0 +1,41 @@
+<?php
+
+require_once("vendor/autoload.php");
+
+use DNW\Skills\TrueSkill\FactorGraphTrueSkillCalculator;
+use DNW\Skills\GameInfo;
+use DNW\Skills\Player;
+use DNW\Skills\Team;
+use DNW\Skills\Teams;
+
+$gameInfo = new GameInfo();
+
+$p1 = new Player("Winner");
+$p2 = new Player("Average");
+$p3 = new Player("Looser");
+
+
+$team1 = new Team($p1, $gameInfo->getDefaultRating());
+$team2 = new Team($p2, $gameInfo->getDefaultRating());
+$team3 = new Team($p3, $gameInfo->getDefaultRating());
+
+
+for($i = 0; $i < 5; $i++) {
+    echo "Iteration: $i\n";
+    $teams = Teams::concat($team1, $team2, $team3);
+
+    $calculator = new FactorGraphTrueSkillCalculator();
+
+    $newRatings = $calculator->calculateNewRatings($gameInfo, $teams, [1, 2, 3]);
+
+    $team1 = new Team($p1, $newRatings->getRating($p1));
+    $team2 = new Team($p2, $newRatings->getRating($p2));
+    $team3 = new Team($p3, $newRatings->getRating($p3));
+
+    echo "P1: ". $newRatings->getRating($p1)->getConservativeRating() . PHP_EOL;
+    echo "P2: ". $newRatings->getRating($p2)->getConservativeRating() . PHP_EOL;
+    echo "P3: ". $newRatings->getRating($p3)->getConservativeRating() . PHP_EOL;
+}
+
+
+

examples/basic.php

@@ -12,13 +12,13 @@ $gameInfo = new GameInfo();
 
 $p1 = new Player("Winner");
 $p2 = new Player("Average");
-$p3 = new Player("Looser");
 
 
 $team1 = new Team($p1, $gameInfo->getDefaultRating());
 
 $team2 = new Team($p2, $gameInfo->getDefaultRating());
 
+
 for($i = 0; $i < 5; $i++) {
     echo "Iteration: $i\n";
     $teams = Teams::concat($team1, $team2);

src/TrueSkill/Factors/GaussianWeightedSumFactor.php

@@ -36,7 +36,7 @@ class GaussianWeightedSumFactor extends GaussianFactor
      * @param Variable[] $variablesToSum
      * @param array<float> $variableWeights
      */
-    public function __construct(Variable $sumVariable, array $variablesToSum, array $variableWeights = null)
+    public function __construct(Variable $sumVariable, array $variablesToSum, array $variableWeights)
     {
         parent::__construct(self::createName((string)$sumVariable, $variablesToSum, $variableWeights));
 

tests/GuardTest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace DNW\Skills\Tests;
+
+use DNW\Skills\Guard;
+use Exception;
+class GuardTest extends TestCase
+{
+    public function testArgumentNotNull(): void
+    {
+        $this->expectException(Exception::class);
+        Guard::argumentNotNull(null, "dummy");
+    }
+
+    public function testargumentIsValidIndex(): void
+    {
+        $this->expectException(Exception::class);
+        Guard::argumentIsValidIndex(25, 10, "dummy");
+    }
+
+
+    public function testargumentInRangeInclusive(): void
+    {
+        $this->expectException(Exception::class);
+        Guard::argumentInRangeInclusive(101, 0, 100, "dummy");
+    }
+}