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root/group/trunk/OOPSE-4/src/UseTheForce/DarkSide/fForceOptions.F90
Revision: 2788
Committed: Mon Jun 5 18:44:05 2006 UTC (18 years, 1 month ago) by gezelter
File size: 4795 byte(s)
Log Message:
Added methods to access GB_mu and GB_nu from the force field options

File Contents

# Content
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 !!
42 !! fForceOptions.F90
43 !! OOPSE-2.0
44 !!
45 !! Created by Charles F. Vardeman II on 12/6/05.
46 !!
47 !! PURPOSE:
48 !!
49 !! @author Charles F. Vardeman II
50 !! @version $Id: fForceOptions.F90,v 1.3 2006-06-05 18:44:05 gezelter Exp $
51
52 !! Handles Mixing options for Fortran.
53
54 module fForceOptions
55 use definitions
56 implicit none
57 PRIVATE
58
59 #define __FORTRAN90
60 #include "UseTheForce/fForceOptions.h"
61
62 type(ForceOptions), save :: fortranForceOptions
63 logical, save :: haveForceOptions = .false.
64
65
66 public :: ForceOptions
67 public :: getVDW14Scale
68 public :: getElectrostatic14Scale
69 public :: getGayBerneMu
70 public :: getGayBerneNu
71 public :: getEnergyMixingRule
72 public :: getDistanceMixingRule
73 public :: usesGeometricDistanceMixing
74 public :: usesGeometricEnergyMixing
75 public :: setForceOptions
76
77 contains
78
79 subroutine setForceOptions(theseOptions)
80 type(ForceOptions),intent(in) :: theseOptions
81 fortranForceOptions = theseOptions
82 haveForceOptions = .true.
83 end subroutine setForceOptions
84
85 function getVDW14Scale() result(thisScale)
86 real(kind=dp) :: thisScale
87 thisScale = fortranForceOptions%vdw14scale
88 end function getVDW14Scale
89
90 function getElectrostatic14Scale() result(thisScale)
91 real(kind=dp) :: thisScale
92 thisScale = fortranForceOptions%electrostatic14scale
93 end function getElectrostatic14Scale
94
95 function getGayBerneMu() result(thisMu)
96 real(kind=dp) :: thisMu
97 thisMu = fortranForceOptions%GayBerneMu
98 end function getGayBerneMu
99
100 function getGayBerneNu() result(thisNu)
101 real(kind=dp) :: thisNu
102 thisNu = fortranForceOptions%GayBerneNu
103 end function getGayBerneNu
104
105 function usesGeometricDistanceMixing() result(doesit)
106 logical :: doesit
107 doesit = .false.
108 if (.not.haveForceOptions) return
109 if (fortranForceOptions%DistanceMixingRule == GEOMETRIC_MIXING_RULE) then
110 doesit = .true.
111 endif
112 end function usesGeometricDistanceMixing
113
114 function usesGeometricEnergyMixing() result(doesit)
115 logical :: doesit
116 doesit = .false.
117 if (.not.haveForceOptions) return
118 if (fortranForceOptions%EnergyMixingRule == GEOMETRIC_MIXING_RULE) then
119 doesit = .true.
120 endif
121 end function usesGeometricEnergyMixing
122
123 function getEnergyMixingRule() result(MixingRule)
124 integer :: MixingRule
125 MixingRule = 0
126 if (.not.haveForceOptions) return
127 MixingRule = fortranForceOptions%EnergyMixingRule
128 end function getEnergyMixingRule
129
130 function getDistanceMixingRule() result(MixingRule)
131 integer :: MixingRule
132 MixingRule = 0
133 if (.not.haveForceOptions) return
134 MixingRule = fortranForceOptions%DistanceMixingRule
135 end function getDistanceMixingRule
136
137 end module fForceOptions