Current File : //home1/dimen328/libertysa.com.br/admin/modules/blog/core/framework/components/pjMath.component.php
<?php
/**
* PHP Framework
*
* @copyright Copyright 2013, StivaSoft, Ltd. (http://stivasoft.com)
* @link http://www.phpjabbers.com/
* @package framework.components
* @version 1.0.11
*/
define("MATH_BIGINTEGER_MODE", 1);
include_once dirname(__FILE__) . '/Math_BigInteger.php';
/**
* Math wrapper
*
* @package framework.components
* @since 1.0.4
*/
class pjMath
{
/**
* Add two arbitrary precision numbers
*
* @param string $a The left operand, as a string.
* @param string $b The right operand, as a string.
* @access public
* @return string The sum of the two operands, as a string
*/
public function add($a, $b)
{
$a = new Math_BigInteger($a);
$b = new Math_BigInteger($b);
$c = $a->add($b);
return $c->toString();
}
/**
* Multiply two arbitrary precision number
*
* @param string $a The left operand, as a string.
* @param string $b The right operand, as a string.
* @access public
* @return string Returns the result as a string.
*/
public function mul($a, $b)
{
$a = new Math_BigInteger($a);
$b = new Math_BigInteger($b);
$c = $a->multiply($b);
return $c->toString();
}
/**
* Raise an arbitrary precision number to another
*
* @param string $base The left operand, as a string.
* @param string $exp The right operand, as a string.
* @access public
* @return string Returns the result as a string.
*/
public function pow($base, $exp)
{
//FIXME
return gmp_strval(gmp_pow($base, $exp));
}
/**
* Raise an arbitrary precision number to another, reduced by a specified modulus
*
* @param string $base The left operand, as a string.
* @param string $exp The right operand, as a string.
* @param string $mod The modulus, as a string.
* @access public
* @return string|null Returns the result as a string, or <b>NULL</b> if modulus is 0.
*/
public function powmod($base, $exp, $mod)
{
//FIXME
$base = new Math_BigInteger($base);
$exp = new Math_BigInteger($exp);
$mod = new Math_BigInteger($mod);
$mod = $base->modPow($exp, $mod);
return $mod->toString();
}
/**
* Divide two arbitrary precision numbers
*
* @param string $a The left operand, as a string.
* @param string $b The right operand, as a string.
* @access public
* @return string|null Returns the result of the division as a string, or <b>NULL</b> if right_operand is 0.
*/
public function div($a, $b)
{
$a = new Math_BigInteger($a);
$b = new Math_BigInteger($b);
list($quotient, ) = $a->divide($b);
return $quotient->toString();
}
/**
* Get modulus of an arbitrary precision number
*
* @param string $n The left operand, as a string.
* @param string $d The modulus, as a string.
* @access public
* @return string Returns the modulus as a string, or <b>NULL</b> if modulus is 0.
*/
public function mod($n, $d)
{
$n = new Math_BigInteger($n);
$d = new Math_BigInteger($d);
return $n->_mod2($d);
}
/**
* Compare two arbitrary precision numbers
*
* @param string $a The left operand, as a string.
* @param string $b The right operand, as a string.
* @access public
* @return int Returns 0 if the two operands are equal, 1 if the left_operand is larger than the right_operand, -1 otherwise.
*/
public function cmp($a, $b)
{
$a = new Math_BigInteger($a);
$b = new Math_BigInteger($b);
$c = $a->compare($b);
return $c;
}
}
?>
Mini Shell