BC::getDecimalsLengthFromNumber() - Code Metrics - Inspection of "* some tests rewrited to data providers" - krowinski/bcmath-extended - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( a30a03...e7dbd9 )

by kacper

created 2017-11-12 13:44 UTC

BC::getDecimalsLengthFromNumber() A

↳ Parent: BC

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	9
ccs	5
cts	5
cp	1
rs	9.6666
cc	2
eloc	5
nc	2
nop	1
crap	2

<?php

namespace BCMathExtended;

/**
 * Class BC
 * @package BCMathExtended
 */
class BC
{
    const COMPARE_EQUAL = 0;
    const COMPARE_LEFT_GRATER = 1;
    const COMPARE_RIGHT_GRATER = -1;

    /**
     * @param int $scale
     */
    public static function setScale($scale)
    {
        bcscale($scale);
    }

    /**
     * @param int|string $number
     * @param int $precision
     * @return string
     */
    public static function round($number, $precision = 0)
    {
        $number = self::convertScientificNotationToString($number);
        if (self::checkIsFloat($number)) {
            if (self::isNegative($number)) {
                return self::sub($number, '0.' . str_repeat('0', $precision) . '5', $precision);
            }

            return self::add($number, '0.' . str_repeat('0', $precision) . '5', $precision);
        }

        return self::checkNumber($number);
    }

    /**
     * @param int|string|float $number
     * @return string
     */
    public static function convertScientificNotationToString($number)
    {
        // check if number is in scientific notation, first use stripos as is faster then preg_match
        if (false !== stripos($number, 'E') && preg_match('/(-?\d+\.\d+)E([+|-])(\d+)/i', $number, $regs)) {
            // calculate final scale of number
            $scale = $regs[3] + self::getDecimalsLengthFromNumber($regs[1]);
            $pow = self::pow(10, $regs[3], $regs[3]);
            if ('+' === $regs[2]) {
                $number = self::mul($pow, $regs[1], $scale);
            } else if ('-' === $regs[2]) {
                $number = self::div($regs[1], $pow, $scale);
            }
            // remove unnecessary 0 from 0.000 is a 0
            $number = rtrim($number, '0');
            // if you remove 0 you must clean dot
            $number = rtrim($number, '.');
        }

        return self::checkNumber($number);
    }

    /**
     * @param int|string|float $number
     * @return int
     */
    private static function getDecimalsLengthFromNumber($number)
    {
        $check = explode('.', $number);
        if (!empty($check[1])) {
            return strlen($check[1]);
        }

        return 0;
    }


    /**
     * @param string $leftOperand
     * @param string $rightOperand
     * @param int $scale
     * @return string
     */
    public static function mul($leftOperand, $rightOperand, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);
        $rightOperand = self::convertScientificNotationToString($rightOperand);

        if (null === $scale) {
            return bcmul($leftOperand, $rightOperand);
        }

        return bcmul($leftOperand, $rightOperand, $scale);
    }

    /**
     * @param string $leftOperand
     * @param string $rightOperand
     * @param int $scale
     * @return string
     */
    public static function pow($leftOperand, $rightOperand, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);
        $rightOperand = self::convertScientificNotationToString($rightOperand);

        if (null === $scale) {
            return bcpow($leftOperand, $rightOperand);
        }

        return bcpow($leftOperand, $rightOperand, $scale);
    }

    /**
     * @param string $leftOperand
     * @param string $rightOperand
     * @param int $scale
     * @return string
     */
    public static function div($leftOperand, $rightOperand, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);
        $rightOperand = self::convertScientificNotationToString($rightOperand);

        if (null === $scale) {
            return bcdiv($leftOperand, $rightOperand);
        }

        return bcdiv($leftOperand, $rightOperand, $scale);
    }

    /**
     * @param int|string $number
     * @return int|string
     */
    private static function checkNumber($number)
    {
        $number = str_replace('+', '', filter_var($number, FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION));
        if ('-0' === $number || !is_numeric($number)) {
            return '0';
        }

        return $number;
    }

    /**
     * @param int|string $number
     * @return bool
     */
    private static function checkIsFloat($number)
    {
        return false !== strpos($number, '.');
    }

    /**
     * @param $number
     * @return bool
     */
    private static function isNegative($number)
    {
        return 0 === strncmp('-', $number, 1);
    }

    /**
     * @param string $leftOperand
     * @param string $rightOperand
     * @param int $scale
     * @return string
     */
    public static function sub($leftOperand, $rightOperand, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);
        $rightOperand = self::convertScientificNotationToString($rightOperand);

        if (null === $scale) {
            return bcsub($leftOperand, $rightOperand);
        }

        return bcsub($leftOperand, $rightOperand, $scale);
    }

    /**
     * @param string $leftOperand
     * @param string $rightOperand
     * @param int $scale
     * @return string
     */
    public static function add($leftOperand, $rightOperand, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);
        $rightOperand = self::convertScientificNotationToString($rightOperand);

        if (null === $scale) {
            return bcadd($leftOperand, $rightOperand);
        }

        return bcadd($leftOperand, $rightOperand, $scale);
    }

    /**
     * @param int|string $number
     * @return string
     */
    public static function abs($number)
    {
        $number = self::convertScientificNotationToString($number);

        if (self::isNegative($number)) {
            $number = (string)substr($number, 1);
        }

        return self::checkNumber($number);
    }

    /**
     * @param int|string $min
     * @param int|string $max
     * @return string
     */
    public static function rand($min, $max)
    {
        $max = self::convertScientificNotationToString($max);
        $min = self::convertScientificNotationToString($min);

        $difference = self::add(self::sub($max, $min), 1);
        $randPercent = self::div(mt_rand(), mt_getrandmax(), 8);

        return self::add($min, self::mul($difference, $randPercent, 8), 0);
    }

    /**
     * @param array|int|string,...
     * @return null|string
     */
    public static function max()

    {
        $max = null;
        $args = func_get_args();
        if (is_array($args[0])) {
            $args = $args[0];
        }
        foreach ($args as $number) {
            $number = self::convertScientificNotationToString($number);
            if (null === $max) {
                $max = $number;
            } else if (self::comp($max, $number) === self::COMPARE_RIGHT_GRATER) {
                $max = $number;
            }
        }

        return $max;
    }

    /**
     * @param string $leftOperand
     * @param string $rightOperand
     * @param int $scale
     * @return int
     */
    public static function comp($leftOperand, $rightOperand, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);
        $rightOperand = self::convertScientificNotationToString($rightOperand);

        if (null === $scale) {
            return bccomp($leftOperand, $rightOperand, max(strlen($leftOperand), strlen($rightOperand)));
        }

        return bccomp(
            $leftOperand,
            $rightOperand,
            $scale
        );
    }

    /**
     * @param array|int|string,...
     * @return null|string
     */
    public static function min()

    {
        $min = null;
        $args = func_get_args();
        if (is_array($args[0])) {
            $args = $args[0];
        }
        foreach ($args as $number) {
            $number = self::convertScientificNotationToString($number);
            if (null === $min) {
                $min = $number;
            } else if (self::comp($min, $number) === self::COMPARE_LEFT_GRATER) {
                $min = $number;
            }
        }

        return $min;
    }

    /**
     * @param int|string $number
     * @param int $precision
     * @return string
     */
    public static function roundDown($number, $precision = 0)

    {
        $number = self::convertScientificNotationToString($number);
        $multiply = self::pow(10, (string)abs($precision));

        return $precision < 0 ?
            self::mul(
                self::floor(self::div($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
                $precision
            ) :
            self::div(
                self::floor(self::mul($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
                $precision
            );
    }

    /**
     * @param int|string $number
     * @return string
     */
    public static function floor($number)

    {
        $number = self::convertScientificNotationToString($number);
        if (self::checkIsFloat($number) && self::checkIsFloatCleanZeros($number)) {
            $result = 0;
            if (self::isNegative($number)) {
                --$result;
            }
            $number = self::add($number, $result, 0);
        }

        return self::checkNumber($number);
    }

    /**
     * @param int|string $number
     * @return bool
     */
    private static function checkIsFloatCleanZeros(&$number)
    {
        return false !== strpos($number = rtrim(rtrim($number, '0'), '.'), '.');
    }

    /**
     * @param int|string $number
     * @param int $precision
     * @return string
     */
    public static function roundUp($number, $precision = 0)

    {
        $number = self::convertScientificNotationToString($number);
        $multiply = self::pow(10, (string)abs($precision));

        return $precision < 0 ?
            self::mul(
                self::ceil(self::div($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
                $precision
            ) :
            self::div(
                self::ceil(self::mul($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
                $precision
            );
    }

    /**
     * @param int|string $number
     * @return string
     */
    public static function ceil($number)

    {
        $number = self::convertScientificNotationToString($number);
        if (self::checkIsFloat($number) && self::checkIsFloatCleanZeros($number)) {
            $result = 1;
            if (self::isNegative($number)) {
                --$result;
            }
            $number = self::add($number, $result, 0);
        }

        return self::checkNumber($number);
    }

    /**
     * @return int
     */
    public static function getScale()
    {
        $sqrt = self::sqrt('2');

        return strlen(substr($sqrt, strpos($sqrt, '.') + 1));
    }

    /**
     * @param string $operand
     * @param int $scale
     * @return string
     */
    public static function sqrt($operand, $scale = null)
    {
        $operand = self::convertScientificNotationToString($operand);

        if (null === $scale) {
            return bcsqrt($operand);
        }

        return bcsqrt($operand, $scale);
    }

    /**
     * @param string $leftOperand
     * @param string $modulus
     * @param int $scale
     * @return string
     */
    public static function fmod($leftOperand, $modulus, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);

        // From PHP 7.2 on, bcmod can handle real numbers
        if (version_compare(PHP_VERSION, '7.2.0') >= 0) {
            return self::mod($leftOperand, $modulus);
        }

        // mod(a, b) = a - b * floor(a/b)
        return self::sub(
            $leftOperand,
            self::mul(
                $modulus,
                self::floor(self::div($leftOperand, $modulus, $scale)),
                $scale
            ),
            $scale
        );
    }

    /**
     * @param string $leftOperand
     * @param string $modulus
     * @return string
     */
    public static function mod($leftOperand, $modulus)
    {
        return bcmod(
            self::convertScientificNotationToString($leftOperand),
            $modulus
        );
    }

    /**
     * @param string $leftOperand
     * @param string $rightOperand
     * @param string $modulus
     * @param int $scale
     * @return string
     */
    public static function powMod($leftOperand, $rightOperand, $modulus, $scale = null)
    {
        $leftOperand = self::convertScientificNotationToString($leftOperand);
        $rightOperand = self::convertScientificNotationToString($rightOperand);

        if (null === $scale) {
            return bcpowmod($leftOperand, $rightOperand, $modulus);
        }

        return bcpowmod($leftOperand, $rightOperand, $modulus, $scale);
    }
}


1			<?php
2
3			namespace BCMathExtended;
4
5			/**
6			* Class BC
7			* @package BCMathExtended
8			*/
9			class BC
10			{
11			const COMPARE_EQUAL = 0;
12			const COMPARE_LEFT_GRATER = 1;
13			const COMPARE_RIGHT_GRATER = -1;
14
15			/**
16			* @param int $scale
17			*/
18	13		public static function setScale($scale)
19			{
20	13		bcscale($scale);
21	13		}
22
23			/**
24			* @param int\|string $number
25			* @param int $precision
26			* @return string
27			*/
28	47		public static function round($number, $precision = 0)
29			{
30	47		$number = self::convertScientificNotationToString($number);
31	47		if (self::checkIsFloat($number)) {
32	36		if (self::isNegative($number)) {
33	4		return self::sub($number, '0.' . str_repeat('0', $precision) . '5', $precision);
34			}
35
36	32		return self::add($number, '0.' . str_repeat('0', $precision) . '5', $precision);
37			}
38
39	11		return self::checkNumber($number);
40			}
41
42			/**
43			* @param int\|string\|float $number
44			* @return string
45			*/
46	190		public static function convertScientificNotationToString($number)
47			{
48			// check if number is in scientific notation, first use stripos as is faster then preg_match
49	190		if (false !== stripos($number, 'E') && preg_match('/(-?\d+\.\d+)E([+\|-])(\d+)/i', $number, $regs)) {
50			// calculate final scale of number
51	38		$scale = $regs[3] + self::getDecimalsLengthFromNumber($regs[1]);
52	38		$pow = self::pow(10, $regs[3], $regs[3]);
53	38		if ('+' === $regs[2]) {
54	17		$number = self::mul($pow, $regs[1], $scale);
55	21		} else if ('-' === $regs[2]) {
56	21		$number = self::div($regs[1], $pow, $scale);
57			}
58			// remove unnecessary 0 from 0.000 is a 0
59	38		$number = rtrim($number, '0');
60			// if you remove 0 you must clean dot
61	38		$number = rtrim($number, '.');
62			}
63
64	190		return self::checkNumber($number);
65			}
66
67			/**
68			* @param int\|string\|float $number
69			* @return int
70			*/
71	38		private static function getDecimalsLengthFromNumber($number)
72			{
73	38		$check = explode('.', $number);
74	38		if (!empty($check[1])) {
75	21		return strlen($check[1]);
76			}
77
78	19		return 0;
79			}
80
81
82			/**
83			* @param string $leftOperand
84			* @param string $rightOperand
85			* @param int $scale
86			* @return string
87			*/
88	39	View Code Duplication	public static function mul($leftOperand, $rightOperand, $scale = null)
89			{
90	39		$leftOperand = self::convertScientificNotationToString($leftOperand);
91	39		$rightOperand = self::convertScientificNotationToString($rightOperand);
92
93	39		if (null === $scale) {
94	5		return bcmul($leftOperand, $rightOperand);
95			}
96
97	36		return bcmul($leftOperand, $rightOperand, $scale);
98			}
99
100			/**
101			* @param string $leftOperand
102			* @param string $rightOperand
103			* @param int $scale
104			* @return string
105			*/
106	43	View Code Duplication	public static function pow($leftOperand, $rightOperand, $scale = null)
107			{
108	43		$leftOperand = self::convertScientificNotationToString($leftOperand);
109	43		$rightOperand = self::convertScientificNotationToString($rightOperand);
110
111	43		if (null === $scale) {
112	4		return bcpow($leftOperand, $rightOperand);
113			}
114
115	42		return bcpow($leftOperand, $rightOperand, $scale);
116			}
117
118			/**
119			* @param string $leftOperand
120			* @param string $rightOperand
121			* @param int $scale
122			* @return string
123			*/
124	26	View Code Duplication	public static function div($leftOperand, $rightOperand, $scale = null)
125			{
126	26		$leftOperand = self::convertScientificNotationToString($leftOperand);
127	26		$rightOperand = self::convertScientificNotationToString($rightOperand);
128
129	26		if (null === $scale) {
130	3		return bcdiv($leftOperand, $rightOperand);
131			}
132
133	26		return bcdiv($leftOperand, $rightOperand, $scale);
134			}
135
136			/**
137			* @param int\|string $number
138			* @return int\|string
139			*/
140	190		private static function checkNumber($number)
141			{
142	190		$number = str_replace('+', '', filter_var($number, FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION));
143	190		if ('-0' === $number \|\| !is_numeric($number)) {
144	20		return '0';
145			}
146
147	188		return $number;
148			}
149
150			/**
151			* @param int\|string $number
152			* @return bool
153			*/
154	101		private static function checkIsFloat($number)
155			{
156	101		return false !== strpos($number, '.');
157			}
158
159			/**
160			* @param $number
161			* @return bool
162			*/
163	77		private static function isNegative($number)
164			{
165	77		return 0 === strncmp('-', $number, 1);
166			}
167
168			/**
169			* @param string $leftOperand
170			* @param string $rightOperand
171			* @param int $scale
172			* @return string
173			*/
174	11	View Code Duplication	public static function sub($leftOperand, $rightOperand, $scale = null)
175			{
176	11		$leftOperand = self::convertScientificNotationToString($leftOperand);
177	11		$rightOperand = self::convertScientificNotationToString($rightOperand);
178
179	11		if (null === $scale) {
180	5		return bcsub($leftOperand, $rightOperand);
181			}
182
183	9		return bcsub($leftOperand, $rightOperand, $scale);
184			}
185
186			/**
187			* @param string $leftOperand
188			* @param string $rightOperand
189			* @param int $scale
190			* @return string
191			*/
192	65	View Code Duplication	public static function add($leftOperand, $rightOperand, $scale = null)
193			{
194	65		$leftOperand = self::convertScientificNotationToString($leftOperand);
195	65		$rightOperand = self::convertScientificNotationToString($rightOperand);
196
197	65		if (null === $scale) {
198	6		return bcadd($leftOperand, $rightOperand);
199			}
200
201	62		return bcadd($leftOperand, $rightOperand, $scale);
202			}
203
204			/**
205			* @param int\|string $number
206			* @return string
207			*/
208	15		public static function abs($number)
209			{
210	15		$number = self::convertScientificNotationToString($number);
211
212	15		if (self::isNegative($number)) {
213	8		$number = (string)substr($number, 1);
214			}
215
216	15		return self::checkNumber($number);
217			}
218
219			/**
220			* @param int\|string $min
221			* @param int\|string $max
222			* @return string
223			*/
224	2		public static function rand($min, $max)
225			{
226	2		$max = self::convertScientificNotationToString($max);
227	2		$min = self::convertScientificNotationToString($min);
228
229	2		$difference = self::add(self::sub($max, $min), 1);
230	2		$randPercent = self::div(mt_rand(), mt_getrandmax(), 8);
231
232	2		return self::add($min, self::mul($difference, $randPercent, 8), 0);
233			}
234
235			/**
236			* @param array\|int\|string,...
237			* @return null\|string
238			*/
239	1	View Code Duplication	public static function max()
			0 ignored issues – show Duplication introduced 2016-11-21 09:18 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
240			{
241	1		$max = null;
242	1		$args = func_get_args();
243	1		if (is_array($args[0])) {
244	1		$args = $args[0];
245			}
246	1		foreach ($args as $number) {
247	1		$number = self::convertScientificNotationToString($number);
248	1		if (null === $max) {
249	1		$max = $number;
250	1		} else if (self::comp($max, $number) === self::COMPARE_RIGHT_GRATER) {
251	1		$max = $number;
252			}
253			}
254
255	1		return $max;
256			}
257
258			/**
259			* @param string $leftOperand
260			* @param string $rightOperand
261			* @param int $scale
262			* @return int
263			*/
264	14		public static function comp($leftOperand, $rightOperand, $scale = null)
265			{
266	14		$leftOperand = self::convertScientificNotationToString($leftOperand);
267	14		$rightOperand = self::convertScientificNotationToString($rightOperand);
268
269	14		if (null === $scale) {
270	3		return bccomp($leftOperand, $rightOperand, max(strlen($leftOperand), strlen($rightOperand)));
271			}
272
273	11		return bccomp(
274	11		$leftOperand,
275	11		$rightOperand,
276	11		$scale
277			);
278			}
279
280			/**
281			* @param array\|int\|string,...
282			* @return null\|string
283			*/
284	1	View Code Duplication	public static function min()
			0 ignored issues – show Duplication introduced 2016-11-21 09:18 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
285			{
286	1		$min = null;
287	1		$args = func_get_args();
288	1		if (is_array($args[0])) {
289	1		$args = $args[0];
290			}
291	1		foreach ($args as $number) {
292	1		$number = self::convertScientificNotationToString($number);
293	1		if (null === $min) {
294	1		$min = $number;
295	1		} else if (self::comp($min, $number) === self::COMPARE_LEFT_GRATER) {
296	1		$min = $number;
297			}
298			}
299
300	1		return $min;
301			}
302
303			/**
304			* @param int\|string $number
305			* @param int $precision
306			* @return string
307			*/
308	1	View Code Duplication	public static function roundDown($number, $precision = 0)
			0 ignored issues – show Duplication introduced 2017-08-23 11:59 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
309			{
310	1		$number = self::convertScientificNotationToString($number);
311	1		$multiply = self::pow(10, (string)abs($precision));
312
313	1		return $precision < 0 ?
314	1		self::mul(
315	1		self::floor(self::div($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
316	1		$precision
317			) :
318	1		self::div(
319	1		self::floor(self::mul($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
320	1		$precision
321			);
322			}
323
324			/**
325			* @param int\|string $number
326			* @return string
327			*/
328	29	View Code Duplication	public static function floor($number)
			0 ignored issues – show Duplication introduced 2016-11-21 09:18 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
329			{
330	29		$number = self::convertScientificNotationToString($number);
331	29		if (self::checkIsFloat($number) && self::checkIsFloatCleanZeros($number)) {
332	15		$result = 0;
333	15		if (self::isNegative($number)) {
334	6		--$result;
335			}
336	15		$number = self::add($number, $result, 0);
337			}
338
339	29		return self::checkNumber($number);
340			}
341
342			/**
343			* @param int\|string $number
344			* @return bool
345			*/
346	28		private static function checkIsFloatCleanZeros(&$number)
347			{
348	28		return false !== strpos($number = rtrim(rtrim($number, '0'), '.'), '.');
349			}
350
351			/**
352			* @param int\|string $number
353			* @param int $precision
354			* @return string
355			*/
356	1	View Code Duplication	public static function roundUp($number, $precision = 0)
			0 ignored issues – show Duplication introduced 2017-08-23 11:59 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
357			{
358	1		$number = self::convertScientificNotationToString($number);
359	1		$multiply = self::pow(10, (string)abs($precision));
360
361	1		return $precision < 0 ?
362	1		self::mul(
363	1		self::ceil(self::div($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
364	1		$precision
365			) :
366	1		self::div(
367	1		self::ceil(self::mul($number, $multiply, self::getDecimalsLengthFromNumber($number))), $multiply,
368	1		$precision
369			);
370			}
371
372			/**
373			* @param int\|string $number
374			* @return string
375			*/
376	25	View Code Duplication	public static function ceil($number)
			0 ignored issues – show Duplication introduced 2016-11-21 09:18 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
377			{
378	25		$number = self::convertScientificNotationToString($number);
379	25		if (self::checkIsFloat($number) && self::checkIsFloatCleanZeros($number)) {
380	11		$result = 1;
381	11		if (self::isNegative($number)) {
382	4		--$result;
383			}
384	11		$number = self::add($number, $result, 0);
385			}
386
387	25		return self::checkNumber($number);
388			}
389
390			/**
391			* @return int
392			*/
393	3		public static function getScale()
394			{
395	3		$sqrt = self::sqrt('2');
396
397	3		return strlen(substr($sqrt, strpos($sqrt, '.') + 1));
398			}
399
400			/**
401			* @param string $operand
402			* @param int $scale
403			* @return string
404			*/
405	5		public static function sqrt($operand, $scale = null)
406			{
407	5		$operand = self::convertScientificNotationToString($operand);
408
409	5		if (null === $scale) {
410	4		return bcsqrt($operand);
411			}
412
413	2		return bcsqrt($operand, $scale);
414			}
415
416			/**
417			* @param string $leftOperand
418			* @param string $modulus
419			* @param int $scale
420			* @return string
421			*/
422	3		public static function fmod($leftOperand, $modulus, $scale = null)
423			{
424	3		$leftOperand = self::convertScientificNotationToString($leftOperand);
425
426			// From PHP 7.2 on, bcmod can handle real numbers
427	3		if (version_compare(PHP_VERSION, '7.2.0') >= 0) {
428			return self::mod($leftOperand, $modulus);
429			}
430
431			// mod(a, b) = a - b * floor(a/b)
432	3		return self::sub(
433	3		$leftOperand,
434	3		self::mul(
435	3		$modulus,
436	3		self::floor(self::div($leftOperand, $modulus, $scale)),
437	3		$scale
438			),
439	3		$scale
440			);
441			}
442
443			/**
444			* @param string $leftOperand
445			* @param string $modulus
446			* @return string
447			*/
448	1		public static function mod($leftOperand, $modulus)
449			{
450	1		return bcmod(
451	1		self::convertScientificNotationToString($leftOperand),
452	1		$modulus
453			);
454			}
455
456			/**
457			* @param string $leftOperand
458			* @param string $rightOperand
459			* @param string $modulus
460			* @param int $scale
461			* @return string
462			*/
463	1	View Code Duplication	public static function powMod($leftOperand, $rightOperand, $modulus, $scale = null)
464			{
465	1		$leftOperand = self::convertScientificNotationToString($leftOperand);
466	1		$rightOperand = self::convertScientificNotationToString($rightOperand);
467
468	1		if (null === $scale) {
469			return bcpowmod($leftOperand, $rightOperand, $modulus);
470			}
471
472	1		return bcpowmod($leftOperand, $rightOperand, $modulus, $scale);
473			}
474			}
475

krowinski / bcmath-extended

Push — master ( a30a03...e7dbd9 )

BC::getDecimalsLengthFromNumber() A

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