diff options
Diffstat (limited to 'vendor/fgrosse/phpasn1/lib/Utility/BigIntegerGmp.php')
| -rw-r--r-- | vendor/fgrosse/phpasn1/lib/Utility/BigIntegerGmp.php | 266 |
1 files changed, 133 insertions, 133 deletions
diff --git a/vendor/fgrosse/phpasn1/lib/Utility/BigIntegerGmp.php b/vendor/fgrosse/phpasn1/lib/Utility/BigIntegerGmp.php index 0791226..899f5f7 100644 --- a/vendor/fgrosse/phpasn1/lib/Utility/BigIntegerGmp.php +++ b/vendor/fgrosse/phpasn1/lib/Utility/BigIntegerGmp.php @@ -1,133 +1,133 @@ -<?php -/* - * This file is part of the PHPASN1 library. - * - * For the full copyright and license information, please view the LICENSE - * file that was distributed with this source code. - */ - -namespace FG\Utility; - -/** - * Class BigIntegerGmp - * Integer representation of big numbers using the GMP extension to perform operations. - * @package FG\Utility - * @internal - */ -class BigIntegerGmp extends BigInteger -{ - /** - * Resource handle. - * @var \GMP - */ - protected $_rh; - - public function __clone() - { - $this->_rh = gmp_add($this->_rh, 0); - } - - protected function _fromString($str) - { - $this->_rh = gmp_init($str, 10); - } - - protected function _fromInteger($integer) - { - $this->_rh = gmp_init($integer, 10); - } - - public function __toString() - { - return gmp_strval($this->_rh, 10); - } - - public function toInteger() - { - if ($this->compare(PHP_INT_MAX) > 0 || $this->compare(PHP_INT_MIN) < 0) { - throw new \OverflowException(sprintf('Can not represent %s as integer.', $this)); - } - return gmp_intval($this->_rh); - } - - public function isNegative() - { - return gmp_sign($this->_rh) === -1; - } - - protected function _unwrap($number) - { - if ($number instanceof self) { - return $number->_rh; - } - return $number; - } - - public function compare($number) - { - return gmp_cmp($this->_rh, $this->_unwrap($number)); - } - - public function add($b) - { - $ret = new self(); - $ret->_rh = gmp_add($this->_rh, $this->_unwrap($b)); - return $ret; - } - - public function subtract($b) - { - $ret = new self(); - $ret->_rh = gmp_sub($this->_rh, $this->_unwrap($b)); - return $ret; - } - - public function multiply($b) - { - $ret = new self(); - $ret->_rh = gmp_mul($this->_rh, $this->_unwrap($b)); - return $ret; - } - - public function modulus($b) - { - $ret = new self(); - $ret->_rh = gmp_mod($this->_rh, $this->_unwrap($b)); - return $ret; - } - - public function toPower($b) - { - if ($b instanceof self) { - // gmp_pow accepts just an integer - if ($b->compare(PHP_INT_MAX) > 0) { - throw new \UnexpectedValueException('Unable to raise to power greater than PHP_INT_MAX.'); - } - $b = gmp_intval($b->_rh); - } - $ret = new self(); - $ret->_rh = gmp_pow($this->_rh, $b); - return $ret; - } - - public function shiftRight($bits=8) - { - $ret = new self(); - $ret->_rh = gmp_div($this->_rh, gmp_pow(2, $bits)); - return $ret; - } - - public function shiftLeft($bits=8) - { - $ret = new self(); - $ret->_rh = gmp_mul($this->_rh, gmp_pow(2, $bits)); - return $ret; - } - - public function absoluteValue() - { - $ret = new self(); - $ret->_rh = gmp_abs($this->_rh); - return $ret; - } -} +<?php
+/*
+ * This file is part of the PHPASN1 library.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FG\Utility;
+
+/**
+ * Class BigIntegerGmp
+ * Integer representation of big numbers using the GMP extension to perform operations.
+ * @package FG\Utility
+ * @internal
+ */
+class BigIntegerGmp extends BigInteger
+{
+ /**
+ * Resource handle.
+ * @var \GMP
+ */
+ protected $_rh;
+
+ public function __clone()
+ {
+ $this->_rh = gmp_add($this->_rh, 0);
+ }
+
+ protected function _fromString($str)
+ {
+ $this->_rh = gmp_init($str, 10);
+ }
+
+ protected function _fromInteger($integer)
+ {
+ $this->_rh = gmp_init($integer, 10);
+ }
+
+ public function __toString()
+ {
+ return gmp_strval($this->_rh, 10);
+ }
+
+ public function toInteger()
+ {
+ if ($this->compare(PHP_INT_MAX) > 0 || $this->compare(PHP_INT_MIN) < 0) {
+ throw new \OverflowException(sprintf('Can not represent %s as integer.', $this));
+ }
+ return gmp_intval($this->_rh);
+ }
+
+ public function isNegative()
+ {
+ return gmp_sign($this->_rh) === -1;
+ }
+
+ protected function _unwrap($number)
+ {
+ if ($number instanceof self) {
+ return $number->_rh;
+ }
+ return $number;
+ }
+
+ public function compare($number)
+ {
+ return gmp_cmp($this->_rh, $this->_unwrap($number));
+ }
+
+ public function add($b)
+ {
+ $ret = new self();
+ $ret->_rh = gmp_add($this->_rh, $this->_unwrap($b));
+ return $ret;
+ }
+
+ public function subtract($b)
+ {
+ $ret = new self();
+ $ret->_rh = gmp_sub($this->_rh, $this->_unwrap($b));
+ return $ret;
+ }
+
+ public function multiply($b)
+ {
+ $ret = new self();
+ $ret->_rh = gmp_mul($this->_rh, $this->_unwrap($b));
+ return $ret;
+ }
+
+ public function modulus($b)
+ {
+ $ret = new self();
+ $ret->_rh = gmp_mod($this->_rh, $this->_unwrap($b));
+ return $ret;
+ }
+
+ public function toPower($b)
+ {
+ if ($b instanceof self) {
+ // gmp_pow accepts just an integer
+ if ($b->compare(PHP_INT_MAX) > 0) {
+ throw new \UnexpectedValueException('Unable to raise to power greater than PHP_INT_MAX.');
+ }
+ $b = gmp_intval($b->_rh);
+ }
+ $ret = new self();
+ $ret->_rh = gmp_pow($this->_rh, $b);
+ return $ret;
+ }
+
+ public function shiftRight($bits=8)
+ {
+ $ret = new self();
+ $ret->_rh = gmp_div($this->_rh, gmp_pow(2, $bits));
+ return $ret;
+ }
+
+ public function shiftLeft($bits=8)
+ {
+ $ret = new self();
+ $ret->_rh = gmp_mul($this->_rh, gmp_pow(2, $bits));
+ return $ret;
+ }
+
+ public function absoluteValue()
+ {
+ $ret = new self();
+ $ret->_rh = gmp_abs($this->_rh);
+ return $ret;
+ }
+}
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