diff options
Diffstat (limited to 'vendor/sebastian/comparator/src/DoubleComparator.php')
-rw-r--r-- | vendor/sebastian/comparator/src/DoubleComparator.php | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/sebastian/comparator/src/DoubleComparator.php b/vendor/sebastian/comparator/src/DoubleComparator.php new file mode 100644 index 000000000..d90b9e06b --- /dev/null +++ b/vendor/sebastian/comparator/src/DoubleComparator.php @@ -0,0 +1,59 @@ +<?php declare(strict_types=1); +/* + * This file is part of sebastian/comparator. + * + * (c) Sebastian Bergmann <[email protected]> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ +namespace SebastianBergmann\Comparator; + +use function is_float; +use function is_numeric; + +/** + * Compares doubles for equality. + */ +class DoubleComparator extends NumericComparator +{ + /** + * Smallest value available in PHP. + * + * @var float + */ + public 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, $actual) + { + return (is_float($expected) || is_float($actual)) && is_numeric($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, $ignoreCase = false)/*: void*/ + { + if ($delta == 0) { + $delta = self::EPSILON; + } + + parent::assertEquals($expected, $actual, $delta, $canonicalize, $ignoreCase); + } +} |