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<?php
/**
* A class for arbitrary precision math functions implemented using GMP
*
* PHP version 5.3
*
* @category PHPPasswordLib
* @package Core
* @subpackage BigMath
* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
* @copyright 2011 The Authors
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version Build @@version@@
*/
namespace SecurityLib\BigMath;
/**
* A class for arbitrary precision math functions implemented using GMP
*
* @category PHPPasswordLib
* @package Core
* @subpackage BigMath
*/
class GMP extends \SecurityLib\BigMath {
/**
* Add two numbers together
*
* @param string $left The left argument
* @param string $right The right argument
*
* @return A base-10 string of the sum of the two arguments
*/
public function add($left, $right) {
return gmp_strval(gmp_add($left, $right));
}
/**
* Subtract two numbers
*
* @param string $left The left argument
* @param string $right The right argument
*
* @return A base-10 string of the difference of the two arguments
*/
public function subtract($left, $right) {
return gmp_strval(gmp_sub($left, $right));
}
}
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