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/* | 
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 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
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 * | 
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 * The University of Notre Dame grants you ("Licensee") a | 
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 * non-exclusive, royalty free, license to use, modify and | 
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 * redistribute this software in source and binary code form, provided | 
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 * that the following conditions are met: | 
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 * | 
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 * 1. Redistributions of source code must retain the above copyright | 
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 *    notice, this list of conditions and the following disclaimer. | 
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 * | 
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 * 2. Redistributions in binary form must reproduce the above copyright | 
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 *    notice, this list of conditions and the following disclaimer in the | 
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 *    documentation and/or other materials provided with the | 
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 *    distribution. | 
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 * | 
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 * This software is provided "AS IS," without a warranty of any | 
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 * kind. All express or implied conditions, representations and | 
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 * warranties, including any implied warranty of merchantability, | 
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 * fitness for a particular purpose or non-infringement, are hereby | 
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 * excluded.  The University of Notre Dame and its licensors shall not | 
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 * be liable for any damages suffered by licensee as a result of | 
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 * using, modifying or distributing the software or its | 
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 * derivatives. In no event will the University of Notre Dame or its | 
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 * licensors be liable for any lost revenue, profit or data, or for | 
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 * direct, indirect, special, consequential, incidental or punitive | 
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 * damages, however caused and regardless of the theory of liability, | 
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 * arising out of the use of or inability to use software, even if the | 
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 * University of Notre Dame has been advised of the possibility of | 
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 * such damages. | 
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 * | 
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 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
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 * research, please cite the appropriate papers when you publish your | 
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 * work.  Good starting points are: | 
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 *                                                                       | 
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 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              | 
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 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           | 
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 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).           | 
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 * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
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 * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
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 */ | 
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  | 
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#ifndef UTILS_UTILITY_HPP | 
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#define UTILS_UTILITY_HPP | 
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#include <vector> | 
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#include <math.h> | 
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#include "config.h" | 
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#include "utils/next_combination.hpp" | 
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using namespace std; | 
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namespace OpenMD { | 
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  inline RealType roundMe( const RealType &x ){ | 
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    return ( x >= 0 ) ? floor( x + 0.5 ) : ceil( x - 0.5 ); | 
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  } | 
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 | 
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  /** | 
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   * @brief iteratively replace the sequence with wild cards | 
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   * @return true if more combination sequence is avaliable, otherwise | 
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   * return true | 
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   * @param cont iterator container, if expect the whole series of | 
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   * combinations, pass an empty iterator container. The user should | 
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   * not modify this iterator container | 
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   * @param sequence the whole sequence used to generate combination | 
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   * @param result a possible combination sequence which is set on return | 
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   * @param wildCard the wild card string. Its value is "X" by default | 
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   * @note since next_combination never returns an empty sequence, | 
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   * replaceWildCard will not generate one special combination, which | 
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   * is n identical wild cards (n is equal to the size of the passing | 
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   * sequence) | 
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   *  | 
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   * @code | 
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   * vector<string> sv; | 
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   * vector<vector<string>::iterator> sic; | 
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   * vector<string> resultString; | 
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   * sv.push_back("H"); | 
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   * sv.push_back("C"); | 
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   * sv.push_back("N"); | 
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   * while (replaceWithWildCard(sic, sv, resultString)) {    | 
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   *     for(vector<string>::iterator i = resultString.begin();  | 
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   *          i != resultString.end(); ++i) { | 
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   *         cout << *i << "\t"; | 
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   *     } | 
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   *     cout << endl; | 
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   * } | 
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   * //output | 
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   * //H X X | 
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   * //X C X | 
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   * //X X N | 
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   * //H C X | 
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   * //H X N | 
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   * //X C N | 
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   * //H C N | 
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   * @endcode | 
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   */ | 
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  bool replaceWithWildCard(vector<vector<string>::iterator>& cont, | 
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                           vector<string>& sequence, vector<string>& result,  | 
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                           const string& wildCard = "X"); | 
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} | 
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#endif | 
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 |