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root/group/trunk/OOPSE-2.0/src/UseTheForce/DarkSide/fForceOptions.F90
Revision: 2494
Committed: Wed Dec 7 19:38:03 2005 UTC (18 years, 9 months ago) by chuckv
File size: 4298 byte(s)
Log Message:
Added support for fortran force options.

File Contents

# User Rev Content
1 chuckv 2494 !!
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 1.1 2005-12-07 19:38:03 chuckv Exp $
51    
52     !! Handles Mixing options for Fortran.
53    
54    
55    
56     module fForceOptions
57     use definitions
58     implicit none
59     PRIVATE
60    
61     #define __FORTRAN90
62     #include "UseTheForce/fForceOptions.h"
63    
64     type(ForceOptions), save :: fortranForceOptions
65     logical, save :: haveForceOptions = .false.
66    
67    
68    
69     public :: getVDW14Scale
70     public :: getElectrostatic14Scale
71     public :: getEnergyMixingRule
72     public :: getDistanceMixingRule
73     public :: usesGeometricDistanceMixing
74     public :: usesGeometricEnergyMixing
75     public :: setForceOptions
76    
77    
78     contains
79    
80     subroutine setForceOptions(theseOptions)
81     type(ForceOptions),intent(in) :: theseOptions
82     fortranForceOptions = theseOptions
83     haveForceOptions = .true.
84     end subroutine setForceOptions
85    
86    
87     function getVDW14Scale() result(thisScale)
88     real(kind=dp) :: thisScale
89     thisScale = fortranForceOptions%vdw14scale
90     end function getVDW14Scale
91    
92     function getElectrostatic14Scale() result(thisScale)
93     real(kind=dp) :: thisScale
94     thisScale = fortranForceOptions%electrostatic14scale
95     end function getElectrostatic14Scale
96    
97    
98     function usesGeometricDistanceMixing() result(doesit)
99     logical :: doesit
100     doesit = .false.
101     if (.not.haveForceOptions) return
102     if (fortranForceOptions%DistanceMixingRule == GEOMETRIC_MIXING_RULE) then
103     doesit = .true.
104     endif
105    
106     end function usesGeometricDistanceMixing
107    
108    
109     function usesGeometricEnergyMixing() result(doesit)
110     logical :: doesit
111     doesit = .false.
112     if (.not.haveForceOptions) return
113     if (fortranForceOptions%EnergyMixingRule == GEOMETRIC_MIXING_RULE) then
114     doesit = .true.
115     endif
116     end function usesGeometricEnergyMixing
117    
118    
119     function getEnergyMixingRule() result(MixingRule)
120     integer :: MixingRule
121     MixingRule = 0
122     if (.not.haveForceOptions) return
123     MixingRule = fortranForceOptions%EnergyMixingRule
124     end function getEnergyMixingRule
125    
126     function getDistanceMixingRule() result(MixingRule)
127     integer :: MixingRule
128     MixingRule = 0
129     if (.not.haveForceOptions) return
130     MixingRule = fortranForceOptions%DistanceMixingRule
131     end function getDistanceMixingRule
132    
133    
134    
135     end module fForceOptions