FMAT::fact() - Code Metrics - Inspection of "Dev" - icy2003/php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#18)

by t

created 2019-10-04 10:12 UTC

FMAT::fact() A

↳ Parent: FMAT

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3.0175

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
eloc	7
c	1
b	0
f	0
nc	3
nop	1
dl	0
loc	11
ccs	7
cts	8
cp	0.875
crap	3.0175
rs	10

<?php
/**
 * Trait MathAndTrigonometry-F
 *
 * @link https://www.icy2003.com/
 * @author icy2003 <[email protected]>
 * @copyright Copyright (c) 2017, icy2003
 */
namespace icy2003\php\icomponents\excel\mathAndTrigonometry;

use icy2003\php\ihelpers\Arrays;

/**
 * MathAndTrigonometry-F
 */
trait FMAT
{
    /**
     * 返回数的阶乘
     *
     * @param integer|double $number 必需。 要计算其阶乘的非负数。 如果 number 不是整数，将被截尾取整
     *
     * @return integer
     */
    public static function fact($number)
    {
        $number = (int) floor($number);
        if ($number == 0) {
            return 1;
        }
        $result = 1;
        foreach (Arrays::rangeGenerator(1, $number) as $num) {
            $result *= $num;
        }
        return $result;
    }

    /**
     * 返回数字的双倍阶乘
     *
     * - 偶数：n!! = n * (n - 2) * (n - 4) * ... * 4 * 2
     * - 奇数：n!! = n * (n - 2) * (n - 4) * ... * 3 * 1
     *
     * @param integer $number 必需。 为其返回双倍阶乘的值。 如果 number 不是整数，将被截尾取整
     *
     * @return integer
     */
    public static function factdouble($number)
    {
        if ($number == 0) {
            return 1;
        }
        $result = 1;
        $isEven = $number % 2 == 0;
        foreach (Arrays::rangeGenerator($isEven ? 2 : 1, (int) $number, 2) as $num) {
            $result *= $num;
        }
        return $result;
    }

    /**
     * 将参数 number 向下舍入（沿绝对值减小的方向）为最接近的 significance 的倍数
     *
     * @param double $number 必需。 要舍入的数值
     * @param double $significance 必需。 要舍入到的倍数
     *
     * @return double
     */
    public static function floor($number, $significance = 1)
    {
        return (is_numeric($number) && is_numeric($significance)) ? (floor($number / $significance) * $significance) : false;

    }
}


1		<?php
2		/**
3		* Trait MathAndTrigonometry-F
4		*
5		* @link https://www.icy2003.com/
6		* @author icy2003 <[email protected]>
7		* @copyright Copyright (c) 2017, icy2003
8		*/
9		namespace icy2003\php\icomponents\excel\mathAndTrigonometry;
10
11		use icy2003\php\ihelpers\Arrays;
12
13		/**
14		* MathAndTrigonometry-F
15		*/
16		trait FMAT
17		{
18		/**
19		* 返回数的阶乘
20		*
21		* @param integer\|double $number 必需。要计算其阶乘的非负数。如果 number 不是整数，将被截尾取整
22		*
23		* @return integer
24		*/
25	2	public static function fact($number)
26		{
27	2	$number = (int) floor($number);
28	2	if ($number == 0) {
29		return 1;
30		}
31	2	$result = 1;
32	2	foreach (Arrays::rangeGenerator(1, $number) as $num) {
33	2	$result *= $num;
34		}
35	2	return $result;
36		}
37
38		/**
39		* 返回数字的双倍阶乘
40		*
41		* - 偶数：n!! = n * (n - 2) * (n - 4) * ... * 4 * 2
42		* - 奇数：n!! = n * (n - 2) * (n - 4) * ... * 3 * 1
43		*
44		* @param integer $number 必需。为其返回双倍阶乘的值。如果 number 不是整数，将被截尾取整
45		*
46		* @return integer
47		*/
48		public static function factdouble($number)
49		{
50		if ($number == 0) {
51		return 1;
52		}
53		$result = 1;
54		$isEven = $number % 2 == 0;
55		foreach (Arrays::rangeGenerator($isEven ? 2 : 1, (int) $number, 2) as $num) {
56		$result *= $num;
57		}
58		return $result;
59		}
60
61		/**
62		* 将参数 number 向下舍入（沿绝对值减小的方向）为最接近的 significance 的倍数
63		*
64		* @param double $number 必需。要舍入的数值
65		* @param double $significance 必需。要舍入到的倍数
66		*
67		* @return double
68		*/
69		public static function floor($number, $significance = 1)
70		{
71		return (is_numeric($number) && is_numeric($significance)) ? (floor($number / $significance) * $significance) : false;
		0 ignored issues – show introduced 2019-07-11 01:02 UTC by Report Bug Copy Issue Report The condition `is_numeric($significance)` is always `true`. Loading history...
72		}
73		}
74

icy2003 / php

GitHub Access Token became invalid

Pull Request — master (#18)

FMAT::fact() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like