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root/group/trunk/OOPSE-3.0/src/types/CharmmTorsionType.hpp
Revision: 2204
Committed: Fri Apr 15 22:04:00 2005 UTC (19 years, 2 months ago) by gezelter
File size: 3721 byte(s)
Log Message:
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File Contents

# User Rev Content
1 gezelter 2204 /*
2 gezelter 1930 * 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    
42     /**
43     * @file TorsionType.hpp
44     * @author teng lin
45     * @date 11/16/2004
46     * @version 1.0
47     */
48    
49     #ifndef TYPES_CHARMMTORSIONTYPE_HPP
50     #define TYPES_CHARMMTORSIONTYPE_HPP
51     #include <algorithm>
52     #include <cassert>
53     #include <iostream>
54     #include <vector>
55    
56     #include "types/TorsionType.hpp"
57     namespace oopse {
58    
59 gezelter 2204 struct CharmmTorsionParameter {
60 gezelter 1930 double kchi;
61     int n;
62     double delta;
63 gezelter 2204 };
64 gezelter 1930
65 gezelter 2204 class SamePeriodicityFunctor {
66     public:
67     SamePeriodicityFunctor(int n) : n_(n) {}
68     bool operator()(CharmmTorsionParameter p) {
69     return p.n == n_;
70     }
71 gezelter 1930
72 gezelter 2204 private:
73     int n_;
74     };
75     /**
76     * @class CharmmTorsionType CharmmTorsionType.hpp "types/CharmmTorsionType.hpp"
77     */
78     class CharmmTorsionType : public TorsionType{
79     public:
80 gezelter 1930
81 gezelter 2204 void setCharmmTorsionParameter(CharmmTorsionParameter param) {
82 gezelter 1930
83 gezelter 2204 assert(param.n >= 0 && param.n < 6);
84 gezelter 1930
85 gezelter 2204 std::vector<CharmmTorsionParameter>::iterator i ;
86     i = std::find_if(parameter_.begin(), parameter_.end(), SamePeriodicityFunctor(param.n));
87 gezelter 1930
88 gezelter 2204 if (i != parameter_.end()) {
89     std::cerr << "a parameter set with " << param.n <<" is already there" << std::endl;
90     } else {
91     parameter_.push_back(param);
92     }
93     }
94 gezelter 1930
95 gezelter 2204 void setCharmmTorsionParameter(double kchi, int n, double delta) {
96     CharmmTorsionParameter param;
97     param.kchi = kchi;
98     param.n = n;
99     param.delta = delta;
100     setCharmmTorsionParameter(param);
101     }
102 gezelter 1930
103 gezelter 2204 virtual void calcForce(double cosPhi, double sinPhi, double& V, double& dVdPhi);
104 gezelter 1930
105 gezelter 2204 private:
106     std::vector<CharmmTorsionParameter> parameter_;
107     };
108 gezelter 1930
109     } //end namespace oopse
110     #endif //TYPES_CHARMMTORSIONTYPE_HPP
111