Code Coverage for /var/www/html/dev/src/phpOMS/Utils/NumericUtils.php

1	<?php
2	/**
3	* Jingga
4	*
5	* PHP Version 8.1
6	*
7	* @package phpOMS\Utils
8	* @copyright Dennis Eichhorn
9	* @license OMS License 2.0
10	* @version 1.0.0
11	* @link https://jingga.app
12	*/
13	declare(strict_types=1);
14
15	namespace phpOMS\Utils;
16
17	/**
18	* Array utils.
19	*
20	* @package phpOMS\Utils
21	* @license OMS License 2.0
22	* @link https://jingga.app
23	* @since 1.0.0
24	*/
25	final class NumericUtils
26	{
27	/**
28	* Constructor.
29	*
30	* @since 1.0.0
31	* @codeCoverageIgnore
32	*/
33	private function __construct()
34	{
35	}
36
37	/**
38	* Unsigned right shift
39	*
40	* @param int $a Value to shift
41	* @param int $b Shift by
42	*
43	* @return int unsigned int
44	*
45	* @since 1.0.0
46	*/
47	public static function uRightShift(int $a, int $b) : int
48	{
49	if ($b >= 32 \|\| $b < -32) {
50	$m = (int) ($b / 32);
51	$b -= $m * 32;
52	}
53
54	if ($b < 0) {
55	$b = 32 + $b;
56	}
57
58	if ($b == 0) {
59	return (($a >> 1) & 0x7fffffff) * 2 + (($a >> $b) & 1);
60	}
61
62	if ($a < 0) {
63	$a >>= 1;
64	$a &= 0x7fffffff;
65	$a \|= 0x40000000;
66	$a >>= $b - 1;
67	} else {
68	$a >>= $b;
69	}
70
71	return $a;
72	}
73	}