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root/OpenMD/trunk/src/utils/next_combination.hpp
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Comparing trunk/src/utils/next_combination.hpp (file contents):
Revision 188 by tim, Thu Oct 28 22:26:32 2004 UTC vs.
Revision 371 by tim, Mon Feb 21 15:22:56 2005 UTC

# Line 1 | Line 1
1 < /*
2 < * Copyright (C) 2000-2004  Object Oriented Parallel Simulation Engine (OOPSE) project
3 < *
4 < * Contact: oopse@oopse.org
5 < *
6 < * This program is free software; you can redistribute it and/or
7 < * modify it under the terms of the GNU Lesser General Public License
8 < * as published by the Free Software Foundation; either version 2.1
9 < * of the License, or (at your option) any later version.
10 < * All we ask is that proper credit is given for our work, which includes
11 < * - but is not limited to - adding the above copyright notice to the beginning
12 < * of your source code files, and to any copyright notice that you may distribute
13 < * with programs based on this work.
14 < *
15 < * This program is distributed in the hope that it will be useful,
16 < * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 < * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 < * GNU Lesser General Public License for more details.
19 < *
20 < * You should have received a copy of the GNU Lesser General Public License
21 < * along with this program; if not, write to the Free Software
22 < * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
1 > /*
2 > * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3   *
4 + * The University of Notre Dame grants you ("Licensee") a
5 + * non-exclusive, royalty free, license to use, modify and
6 + * redistribute this software in source and binary code form, provided
7 + * that the following conditions are met:
8 + *
9 + * 1. Acknowledgement of the program authors must be made in any
10 + *    publication of scientific results based in part on use of the
11 + *    program.  An acceptable form of acknowledgement is citation of
12 + *    the article in which the program was described (Matthew
13 + *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 + *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 + *    Parallel Simulation Engine for Molecular Dynamics,"
16 + *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 + *
18 + * 2. Redistributions of source code must retain the above copyright
19 + *    notice, this list of conditions and the following disclaimer.
20 + *
21 + * 3. Redistributions in binary form must reproduce the above copyright
22 + *    notice, this list of conditions and the following disclaimer in the
23 + *    documentation and/or other materials provided with the
24 + *    distribution.
25 + *
26 + * This software is provided "AS IS," without a warranty of any
27 + * kind. All express or implied conditions, representations and
28 + * warranties, including any implied warranty of merchantability,
29 + * fitness for a particular purpose or non-infringement, are hereby
30 + * excluded.  The University of Notre Dame and its licensors shall not
31 + * be liable for any damages suffered by licensee as a result of
32 + * using, modifying or distributing the software or its
33 + * derivatives. In no event will the University of Notre Dame or its
34 + * licensors be liable for any lost revenue, profit or data, or for
35 + * direct, indirect, special, consequential, incidental or punitive
36 + * damages, however caused and regardless of the theory of liability,
37 + * arising out of the use of or inability to use software, even if the
38 + * University of Notre Dame has been advised of the possibility of
39 + * such damages.
40   */
41 <
41 >
42   /**
43   * @file next_combination.hpp
44   * @author    tlin
# Line 66 | Line 82 | namespace oopse {
82   * //1  8
83   * @endcode
84   */
85 < template<class RandomAccessIterator, template<typename ELEM, typename = std::allocator<ELEM> > class IteratorContainer>
86 < bool next_combination(IteratorContainer<RandomAccessIterator>& iterContainer, RandomAccessIterator first, RandomAccessIterator last) {
85 > template<class RandomAccessIterator>
86 > bool next_combination(std::vector<RandomAccessIterator>& iterContainer, RandomAccessIterator first, RandomAccessIterator last) {
87      if (first == last) {
88          return false;
89      }
90      
91      RandomAccessIterator endIter = --last;
92 <    typename IteratorContainer<RandomAccessIterator>::iterator i = iterContainer.end();
92 >    typename std::vector<RandomAccessIterator>::iterator i = iterContainer.end();
93      
94      if (iterContainer.empty()) {
95          //if sequence is empty, we insert the first iterator
# Line 93 | Line 109 | bool next_combination(IteratorContainer<RandomAccessIt
109          //If j is less than zero, it means it already reaches the last combination of current size.
110          //For instance, sequence may contain 6, 7, 8, 9 at this time, we need to increase the size
111          // of combination to 5
112 <        typename IteratorContainer<RandomAccessIterator>::iterator j = i;
112 >        typename std::vector<RandomAccessIterator>::iterator j = i;
113          j--;
114          while( j >= iterContainer.begin() && *i == *j + 1){
115              i--;
# Line 130 | Line 146 | bool next_combination(IteratorContainer<RandomAccessIt
146      }
147   } //end next_combination
148  
133 – /**
134 – * @brief iteratively replace the sequence with wild cards
135 – * @return true if more combination sequence is avaliable, otherwise return true
136 – * @param cont iterator container, if expect the whole series of combinations,  pass an empty iterator
137 – * container. The user should not modify this iterator container
138 – * @param sequence the whole sequence used to generate combination
139 – * @param result a possible combination sequence which is set on return
140 – * @param wildCard the wild card string. Its value is "X" by default
141 – * @note since next_combination never returns an empty sequence, replaceWildCard will not generate
142 – * one special combination, which is n identical wild cards (n is equal to the size of the passing sequence)
143 – *
144 – * @code
145 – * std::vector<std::string> sv;
146 – * std::vector<std::vector<std::string>::iterator> sic;
147 – * std::vector<std::string> resultString;
148 – * sv.push_back("H");
149 – * sv.push_back("C");
150 – * sv.push_back("N");
151 –
152 – * while (replaceWildCard(sic, sv, resultString)) {  
153 – *     for(std::vector<std::string>::iterator i = resultString.begin(); i != resultString.end(); ++i) {
154 – *         std::cout << *i << "\t";
155 – *     }
156 – *     std::cout << std::endl;
157 – * }
158 – * //output
159 – * //H X X
160 – * //X C X
161 – * //X X N
162 – * //H C X
163 – * //H X N
164 – * //X C N
165 – * //H C N
166 – @endcode
167 – */
168 – bool replaceWildCard(std::vector<std::vector<std::string>::iterator>& cont,
169 –                                             std::vector<std::string>& sequence, std::vector<std::string>& result,
170 –                                             const std::string& wildCard = "X") {
171 –    if (cont.size() > sequence.size()) {
172 –        std::cerr << "the size of iterator container is greater than the size of sequence";
173 –    }
174 –
175 –    bool hasMoreCombination = next_combination(cont, sequence.begin(), sequence.end());
176 –    if (hasMoreCombination) {
177 –        result.clear();
178 –        result.insert(result.begin(), sequence.size(), wildCard);
179 –        std::vector<std::vector<std::string>::iterator>::iterator i;
180 –        for ( i = cont.begin(); i != cont.end(); i++){
181 –            result[*i - sequence.begin()] = **i;
182 –        }
183 –    }
184 –
185 –     return hasMoreCombination;
186 –    
187 – }//end replaceWildCard
188 –
149   } //end namespace oopse
150   #endif //UTILS_NEXT_COMBINATION_HPP
151  

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