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