Merge pull request #94 from JordanRL/dev

Dev

.gitignore

@@ -2,4 +2,4 @@
 vendor/
 composer.lock
 build
-other
+.phpunit.result.cache

src/Samsara/Fermat/Types/NumberCollection.php

@@ -84,6 +84,19 @@ public function toArray(): array
         return $this->collection->toArray();
     }
 
+    public function selectScale(): int
+    {
+        $scale = 0;
+
+        foreach ($this->collection as $value) {
+            if ($value->getScale() > $scale) {
+                $scale = $value->getScale();
+            }
+        }
+
+        return $scale;
+    }
+
     /**
      * @param NumberInterface $number
      *

tests-with-modules/Samsara/Fermat/Types/NumberCollection2Test.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Samsara\Fermat\Types;
+
+use PHPUnit\Framework\TestCase;
+
+class NumberCollection2Test extends TestCase
+{
+
+    public function testNormalDistribution()
+    {
+
+        $collection = new NumberCollection([1, 2, 3, 4]);
+
+        $normal = $collection->makeNormalDistribution();
+
+        $this->assertEquals('0.6726', $normal->percentAboveX(2)->truncate(4)->getValue());
+
+    }
+
+}

tests/Samsara/Fermat/Types/NumberCollectionTest.php

@@ -122,22 +122,51 @@ public function testArithmetic()
 
     }
 
-    public function testDistributions()
+    public function testDistributions1()
     {
 
         $collection = new NumberCollection([1, 2, 3, 4]);
 
         $this->expectException(MissingPackage::class);
         $collection->makeNormalDistribution();
 
+    }
+
+    public function testDistributions2()
+    {
+
+        $collection = new NumberCollection([1, 2, 3, 4]);
+
         $this->expectException(MissingPackage::class);
         $collection->makePoissonDistribution();
 
+        //$this->assertEquals('0.6726', $normal->percentAboveX(2)->truncate(4)->getValue());
+
+    }
+
+    public function testDistributions3()
+    {
+
+        $collection = new NumberCollection([1, 2, 3, 4]);
+
         $this->expectException(MissingPackage::class);
         $collection->makeExponentialDistribution();
 
         //$this->assertEquals('0.6726', $normal->percentAboveX(2)->truncate(4)->getValue());
 
     }
 
+    public function testSelectScale()
+    {
+
+        $collection = new NumberCollection([
+            '0.4444444444444',
+            new ImmutableDecimal(1, 15),
+            '1'
+        ]);
+
+        $this->assertEquals(15, $collection->selectScale());
+
+    }
+
 }