123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123 |
- <?php
- /*
- * This file is part of Hashids.
- *
- * (c) Ivan Akimov <ivan@barreleye.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Hashids\Math;
- /**
- * This is the Bc math class.
- *
- * @author Vincent Klaiber <hello@doubledip.se>
- * @author Jakub Kramarz <lenwe@lenwe.net>
- * @author Johnson Page <jwpage@gmail.com>
- */
- class Bc implements MathInterface
- {
- /**
- * Add two arbitrary-length integers.
- *
- * @param string $a
- * @param string $b
- *
- * @return string
- */
- public function add($a, $b)
- {
- return bcadd($a, $b, 0);
- }
- /**
- * Multiply two arbitrary-length integers.
- *
- * @param string $a
- * @param string $b
- *
- * @return string
- */
- public function multiply($a, $b)
- {
- return bcmul($a, $b, 0);
- }
- /**
- * Divide two arbitrary-length integers.
- *
- * @param string $a
- * @param string $b
- *
- * @return string
- */
- public function divide($a, $b)
- {
- return bcdiv($a, $b, 0);
- }
- /**
- * Compute arbitrary-length integer modulo.
- *
- * @param string $n
- * @param string $d
- *
- * @return string
- */
- public function mod($n, $d)
- {
- return bcmod($n, $d);
- }
- /**
- * Compares two arbitrary-length integers.
- *
- * @param string $a
- * @param string $b
- *
- * @return bool
- */
- public function greaterThan($a, $b)
- {
- return bccomp($a, $b, 0) > 0;
- }
- /**
- * Converts arbitrary-length integer to PHP integer.
- *
- * @param string $a
- *
- * @return int
- */
- public function intval($a)
- {
- return intval($a);
- }
- /**
- * Converts arbitrary-length integer to PHP string.
- *
- * @param string $a
- *
- * @return string
- */
- public function strval($a)
- {
- return $a;
- }
- /**
- * Converts PHP integer to arbitrary-length integer.
- *
- * @param int $a
- *
- * @return string
- */
- public function get($a)
- {
- return $a;
- }
- }
|