/usr/share/php/PDepend/Util/MathUtil.php is in pdepend 2.2.4-1.
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/**
* This file is part of PDepend.
*
* PHP Version 5
*
* Copyright (c) 2008-2015, Manuel Pichler <mapi@pdepend.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Manuel Pichler nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @copyright 2008-2015 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
namespace PDepend\Util;
/**
* This is a simply utility class that will perform mathematical operations with
* bcmath when the extension exists, otherwise it will use default math operations.
*
* @copyright 2008-2015 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
final class MathUtil
{
/**
* This method will multiply the two given operands with the bcmath extension
* when available, otherwise it will use the default mathematical operations.
*
* @param string $left The left arithmetic operand.
* @param string $right The right arithmetic operand.
*
* @return string
*/
public static function mul($left, $right)
{
if (function_exists('bcmul')) {
return bcmul($left, $right);
}
return (string) ((int) $left * (int) $right);
}
/**
* This method will add the two given operands with the bcmath extension
* when available, otherwise it will use the default mathematical operations.
*
* @param string $left The left arithmetic operand.
* @param string $right The right arithmetic operand.
*
* @return string
*/
public static function add($left, $right)
{
if (function_exists('bcadd')) {
return bcadd($left, $right);
}
return (string) ((int) $left + (int) $right);
}
}
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