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root/group/trunk/OOPSE-4/src/UseTheForce/notifyCutoffs.F90
Revision: 1948
Committed: Fri Jan 14 20:31:16 2005 UTC (19 years, 6 months ago) by gezelter
File size: 4187 byte(s)
Log Message:
separating modules and C/Fortran interface subroutines

File Contents

# User Rev Content
1 gezelter 1930 !!
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
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32     !! using, modifying or distributing the software or its
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34     !! licensors be liable for any lost revenue, profit or data, or for
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38     !! University of Notre Dame has been advised of the possibility of
39     !! such damages.
40     !!
41    
42 tim 1498 module notifyCutoffs
43    
44     use definitions
45 gezelter 1610 use doForces, only: setRlistDF
46 tim 1498 use reaction_field, only: setCutoffsRF
47     use lj, only: setCutoffLJ
48     use eam, only: setCutoffEAM
49     use switcheroo, only: set_switch
50     use status
51     implicit none
52    
53     PRIVATE
54    
55     character(len = statusMsgSize) :: errMsg
56    
57     #define __FORTRAN90
58     #include "UseTheForce/fSwitchingFunction.h"
59    
60     public::cutoffNotify
61    
62     contains
63    
64     subroutine cutoffNotify( this_rcut, this_rsw, this_rlist )
65    
66     real(kind=dp), intent(in) :: this_rcut, this_rsw, this_rlist
67    
68     real(kind=dp) :: rsw, rcut, rlist
69     integer :: localError
70     logical :: do_shift
71    
72     rcut = this_rcut
73     rsw = this_rsw
74     rlist = this_rlist
75    
76     if (rcut .lt. rsw) then
77    
78     write(errMsg, *) 'cutoffRadius is ', rcut, newline // tab, &
79     'but switchingRadius is set larger at ', rsw , newline // tab, &
80     'That is probably not what you wanted to do!'
81    
82     call handleWarning("cutoffNotify", errMsg)
83    
84     endif
85    
86     if (rlist .lt. rcut) then
87    
88     write(errMsg, *) 'neighborListRadius is ', rlist, newline &
89     // tab, 'but cutoffRadius is set larger at ', rcut , newline &
90     // tab, 'That is probably a programming error!'
91    
92     call handleWarning("cutoffNotify", errMsg)
93    
94     endif
95    
96     do_shift = .false.
97     if (abs(rcut-rsw) .lt. 0.0001) then
98    
99     write(errMsg, *) &
100     'cutoffRadius and switchingRadius are set to the same', newline &
101     // tab, 'value. OOPSE will use shifted Lennard-Jones', newline &
102     // tab, 'potentials instead of switching functions.'
103    
104     call handleInfo("cutoffNotify", errMsg)
105    
106     do_shift = .true.
107    
108     endif
109    
110     call setRlistDF( rlist )
111     call setCutoffsRF( rcut, rsw )
112     call setCutoffLJ( rcut, do_shift, localError )
113     call setCutoffEAM( rcut, localError)
114     call set_switch(GROUP_SWITCH, rsw, rcut)
115    
116     end subroutine cutoffNotify
117    
118     end module notifyCutoffs