85 lines
2.2 KiB
PHP
Executable file
85 lines
2.2 KiB
PHP
Executable file
<?php
|
|
|
|
/**
|
|
* League.Uri (https://uri.thephpleague.com)
|
|
*
|
|
* (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace League\Uri\IPv4;
|
|
|
|
use function bcadd;
|
|
use function bccomp;
|
|
use function bcdiv;
|
|
use function bcmod;
|
|
use function bcmul;
|
|
use function bcpow;
|
|
use function bcsub;
|
|
use function str_split;
|
|
|
|
final class BCMathCalculator implements Calculator
|
|
{
|
|
private const SCALE = 0;
|
|
private const CONVERSION_TABLE = [
|
|
'0' => '0', '1' => '1', '2' => '2', '3' => '3',
|
|
'4' => '4', '5' => '5', '6' => '6', '7' => '7',
|
|
'8' => '8', '9' => '9', 'a' => '10', 'b' => '11',
|
|
'c' => '12', 'd' => '13', 'e' => '14', 'f' => '15',
|
|
];
|
|
|
|
public function baseConvert(mixed $value, int $base): string
|
|
{
|
|
$value = (string) $value;
|
|
if (10 === $base) {
|
|
return $value;
|
|
}
|
|
|
|
$base = (string) $base;
|
|
$decimal = '0';
|
|
foreach (str_split($value) as $char) {
|
|
$decimal = bcadd($this->multiply($decimal, $base), self::CONVERSION_TABLE[$char], self::SCALE);
|
|
}
|
|
|
|
return $decimal;
|
|
}
|
|
|
|
public function pow(mixed $value, int $exponent): string
|
|
{
|
|
return bcpow((string) $value, (string) $exponent, self::SCALE);
|
|
}
|
|
|
|
public function compare(mixed $value1, $value2): int
|
|
{
|
|
return bccomp((string) $value1, (string) $value2, self::SCALE);
|
|
}
|
|
|
|
public function multiply(mixed $value1, $value2): string
|
|
{
|
|
return bcmul((string) $value1, (string) $value2, self::SCALE);
|
|
}
|
|
|
|
public function div(mixed $value, mixed $base): string
|
|
{
|
|
return bcdiv((string) $value, (string) $base, self::SCALE);
|
|
}
|
|
|
|
public function mod(mixed $value, mixed $base): string
|
|
{
|
|
return bcmod((string) $value, (string) $base, self::SCALE);
|
|
}
|
|
|
|
public function add(mixed $value1, mixed $value2): string
|
|
{
|
|
return bcadd((string) $value1, (string) $value2, self::SCALE);
|
|
}
|
|
|
|
public function sub(mixed $value1, mixed $value2): string
|
|
{
|
|
return bcsub((string) $value1, (string) $value2, self::SCALE);
|
|
}
|
|
}
|