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.
 * 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.
 *
 * @package   Example
 * @author    Manuel Pichler

 * @copyright 2007-2008 Manuel Pichler. All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version   SVN: $Id: Math.php,v 1.4 2009-05-13 21:51:26 developer Exp $
 * @link      http://www.phpundercontrol.org/
 */

/**
 * Simple math class.
 *
 * @package   Example
 * @author    Manuel Pichler

 * @author    Jens Klose
 * @copyright 2007-2008 Manuel Pichler. All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version   Release: 0.4.7
 * @link      http://www.phpundercontrol.org/
 */
class PhpUnderControl_Example_Math
{
    /**
     * Adds the two given values.
     *
     * @param integer $firstVar Value one.
     * @param integer $secondVar Value two.
     *
     * @return integer.
     */
    public function add($firstVar, $secondVar)
    {
        return ($firstVar + $secondVar);
    }

    /**
     * Subtract param two from param one
     *
     * @param integer $firstVar Value one.
     * @param integer $secondVar Value two.
     *
     * @return integer.
     */
    public function sub($firstVar, $secondVar)
    {
        return ($firstVar - $secondVar);
    }

    /**
     * Not tested method that should be visible with low coverage.
     */
    public function div($firstVar, $secondVar)
    {
        $thirthVar = $firstVar / ($secondVar + $firstVar);
        if ($thirthVar > 14) {
            $forthVar = 0;
            for ($i = 0; $i < $thirthVar; $i++) {
                $forthVar += ($secondVar * $i);
            }
        }
        $fifthVar = ($forthVar < $thirthVar
                      ? ($thirthVar - $forthVar)
                      : ($forthVar - $thirthVar));

        $sixthVar  = ($firstVar * $secondVar
                      * $thirthVar * $forthVar * $fifthVar);

        $d = array(
                   $firstVar,
                   $secondVar,
                   $thirthVar,
                   $forthVar,
                   $fifthVar,
                   $sixthVar);

        $seventhVar = 1;
        for ($i = 0; $i < $sixthVar; $i++) {
            shuffle($d);
            $seventhVar = $seventhVar + $i * end($d);
        }

        $eighthVar = $seventhVar;
        foreach ( $d as $x ) {
            $eighthVar *= $x;
        }

        $thirthVar = $firstVar / ($secondVar + $firstVar);
        if ($thirthVar > 14) {
            $forthVar = 0;
            for ($i = 0; $i < $thirthVar; $i++) {
                $forthVar += ($secondVar * $i);
            }
        }
        $fifthVar = ($forthVar < $thirthVar
                     ? ($thirthVar - $forthVar)
                     : ($forthVar - $thirthVar));

        $sixthVar  = ($firstVar * $secondVar * $thirthVar
                   * $forthVar * $fifthVar);

        $d = array(
            $firstVar,
            $secondVar,
            $thirthVar,
            $forthVar,
            $fifthVar,
            $sixthVar
        );

        $seventhVar = 1;
        for ($i = 0; $i < $sixthVar; $i++) {
            shuffle($d);
            $seventhVar = $seventhVar + $i * end($d);
        }

        $eighthVar = $seventhVar;
        foreach ( $d as $x ) {
            $eighthVar *= $x;
        }

        return $eighthVar;
    }

    /**
     * Simple copy for cpd detection.
     */
    public function complex($firstVar, $secondVar)
    {
        $thirthVar = $firstVar / ($secondVar + $firstVar);
        if ($thirthVar > 14) {
            $forthVar = 0;
            for ($i = 0; $i < $thirthVar; $i++) {
                $forthVar += ($secondVar * $i);
            }
        }
        $fifthVar = ($forthVar < $thirthVar
            ? ($thirthVar - $forthVar)
            : ($forthVar - $thirthVar));

        $sixthVar = ($firstVar
            * $secondVar
            * $thirthVar
            * $forthVar
            * $fifthVar);

        $d = array(
            $firstVar,
            $secondVar,
            $thirthVar,
            $forthVar,
            $fifthVar,
            $sixthVar
        );

        $seventhVar = 1;
        for ($i = 0; $i < $sixthVar; $i++) {
            shuffle($d);
            $seventhVar = $seventhVar + $i * end($d);
        }

        $eighthVar = $seventhVar;
        foreach ( $d as $x ) {
            $eighthVar *= $x;
        }

        $thirthVar = $firstVar / ($secondVar + $firstVar);
        if ($thirthVar > 14) {
            $forthVar = 0;
            for ($i = 0; $i < $thirthVar; $i++) {
                $forthVar += ($secondVar * $i);
            }
        }
        $fifthVar = ($forthVar < $thirthVar
            ? ($thirthVar - $forthVar)
            : ($forthVar - $thirthVar));

        $sixthVar = ($firstVar
            * $secondVar
            * $thirthVar
            * $forthVar
            * $fifthVar);

        $d = array(
            $firstVar,
            $secondVar,
            $thirthVar,
            $forthVar,
            $fifthVar,
            $sixthVar
        );

        $seventhVar = 1;
        for ($i = 0; $i < $sixthVar; $i++) {
            shuffle($d);
            $seventhVar = $seventhVar + $i * end($d);
        }

        $eighthVar = $seventhVar;
        foreach ( $d as $x ) {
            $eighthVar *= $x;
        }

        return $eighthVar;
    }
}