comparison 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
comparison
equal deleted inserted replaced
-1:000000000000 0:4c8ae668cc8c
1 <?php
2 /*
3 * This file is part of the Comparator package.
4 *
5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
6 *
7 * For the full copyright and license information, please view the LICENSE
8 * file that was distributed with this source code.
9 */
10
11 namespace SebastianBergmann\Comparator;
12
13 /**
14 * Compares doubles for equality.
15 */
16 class DoubleComparator extends NumericComparator
17 {
18 /**
19 * Smallest value available in PHP.
20 *
21 * @var float
22 */
23 const EPSILON = 0.0000000001;
24
25 /**
26 * Returns whether the comparator can compare two values.
27 *
28 * @param mixed $expected The first value to compare
29 * @param mixed $actual The second value to compare
30 * @return bool
31 */
32 public function accepts($expected, $actual)
33 {
34 return (is_double($expected) || is_double($actual)) && is_numeric($expected) && is_numeric($actual);
35 }
36
37 /**
38 * Asserts that two values are equal.
39 *
40 * @param mixed $expected First value to compare
41 * @param mixed $actual Second value to compare
42 * @param float $delta Allowed numerical distance between two values to consider them equal
43 * @param bool $canonicalize Arrays are sorted before comparison when set to true
44 * @param bool $ignoreCase Case is ignored when set to true
45 *
46 * @throws ComparisonFailure
47 */
48 public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
49 {
50 if ($delta == 0) {
51 $delta = self::EPSILON;
52 }
53
54 parent::assertEquals($expected, $actual, $delta, $canonicalize, $ignoreCase);
55 }
56 }