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vendor/sebastian/comparator/src/DoubleComparator.php

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+<?php
+/*
+ * This file is part of the Comparator package.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace SebastianBergmann\Comparator;
+
+/**
+ * Compares doubles for equality.
+ */
+class DoubleComparator extends NumericComparator
+{
+    /**
+     * Smallest value available in PHP.
+     *
+     * @var float
+     */
+    const EPSILON = 0.0000000001;
+
+    /**
+     * Returns whether the comparator can compare two values.
+     *
+     * @param  mixed $expected The first value to compare
+     * @param  mixed $actual   The second value to compare
+     * @return bool
+     */
+    public function accepts($expected, $actual)
+    {
+        return (is_double($expected) || is_double($actual)) && is_numeric($expected) && is_numeric($actual);
+    }
+
+    /**
+     * Asserts that two values are equal.
+     *
+     * @param mixed $expected     First value to compare
+     * @param mixed $actual       Second value to compare
+     * @param float $delta        Allowed numerical distance between two values to consider them equal
+     * @param bool  $canonicalize Arrays are sorted before comparison when set to true
+     * @param bool  $ignoreCase   Case is ignored when set to true
+     *
+     * @throws ComparisonFailure
+     */
+    public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
+    {
+        if ($delta == 0) {
+            $delta = self::EPSILON;
+        }
+
+        parent::assertEquals($expected, $actual, $delta, $canonicalize, $ignoreCase);
+    }
+}