Mercurial > hg > isophonics-drupal-site
diff vendor/sebastian/comparator/src/DoubleComparator.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
---|---|
date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 1fec387a4317 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/sebastian/comparator/src/DoubleComparator.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,56 @@ +<?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); + } +}