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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Math\BigInteger\Adapter;
interface AdapterInterface
{
/**
* Base62 alphabet for arbitrary base conversion
*/
const BASE62_ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
/**
* Create adapter-specific representation of a big integer
*
* @param string $operand
* @param int|null $base
* @return mixed
*/
public function init($operand, $base = null);
/**
* Add two big integers
*
* @param string $leftOperand
* @param string $rightOperand
* @return string
*/
public function add($leftOperand, $rightOperand);
/**
* Subtract two big integers
*
* @param string $leftOperand
* @param string $rightOperand
* @return string
*/
public function sub($leftOperand, $rightOperand);
/**
* Multiply two big integers
*
* @param string $leftOperand
* @param string $rightOperand
* @return string
*/
public function mul($leftOperand, $rightOperand);
/**
* Divide two big integers
* (this method returns only int part of result)
*
* @param string $leftOperand
* @param string $rightOperand
* @return string
*/
public function div($leftOperand, $rightOperand);
/**
* Raise a big integers to another
*
* @param string $operand
* @param string $exp
* @return string
*/
public function pow($operand, $exp);
/**
* Get the square root of a big integer
*
* @param string $operand
* @return string
*/
public function sqrt($operand);
/**
* Get absolute value of a big integer
*
* @param string $operand
* @return string
*/
public function abs($operand);
/**
* Get modulus of a big integer
*
* @param string $leftOperand
* @param string $modulus
* @return string
*/
public function mod($leftOperand, $modulus);
/**
* Raise a big integer to another, reduced by a specified modulus
*
* @param string $leftOperand
* @param string $rightOperand
* @param string $modulus
* @return string
*/
public function powmod($leftOperand, $rightOperand, $modulus);
/**
* Compare two big integers
* Returns < 0 if leftOperand is less than rightOperand;
* > 0 if leftOperand is greater than rightOperand, and 0 if they are equal.
*
* @param string $leftOperand
* @param string $rightOperand
* @return int
*/
public function comp($leftOperand, $rightOperand);
/**
* Convert big integer into it's binary number representation
*
* @param string $int
* @param bool $twoc
* @return string
*/
public function intToBin($int, $twoc = false);
/**
* Convert binary number into big integer
*
* @param string $bytes
* @param bool $twoc
* @return string
*/
public function binToInt($bytes, $twoc = false);
/**
* Convert a number between arbitrary bases
*
* @param string $operand
* @param int $fromBase
* @param int $toBase
* @return string
*/
public function baseConvert($operand, $fromBase, $toBase = 10);
}
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