ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/group/trunk/OOPSE-4/src/UseTheForce/notifyCutoffs.F90
Revision: 2381
Committed: Tue Oct 18 15:01:42 2005 UTC (18 years, 8 months ago) by chrisfen
File size: 4259 byte(s)
Log Message:
merged reaction field with electrostatics.F90

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 module notifyCutoffs
43
44 use definitions
45 use doForces, only: setDefaultCutoffs
46 use lj, only: setLJDefaultCutoff
47 use eam, only: setCutoffEAM
48 use switcheroo, only: set_switch
49 use status
50 implicit none
51
52 PRIVATE
53
54 character(len = statusMsgSize) :: errMsg
55
56 #define __FORTRAN90
57 #include "UseTheForce/fSwitchingFunction.h"
58 #include "UseTheForce/fCutoffPolicy.h"
59
60 public::cutoffNotify
61
62 contains
63
64 subroutine cutoffNotify( this_rcut, this_rsw, this_rlist, cutPolicy)
65
66 real(kind=dp), intent(in) :: this_rcut, this_rsw, this_rlist
67 integer, intent(in) :: cutPolicy
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 setDefaultCutoffs(rcut, rsw, rlist, cutPolicy)
111 call setLJDefaultCutoff( rcut, do_shift )
112 call setCutoffEAM( rcut, localError)
113 call set_switch(GROUP_SWITCH, rsw, rcut)
114
115 if (localError /= 0) then
116 write(errMsg, *) 'An error has occured in setting the default cutoff'
117 call handleError("cutoffNotify", errMsg)
118 end if
119
120
121 end subroutine cutoffNotify
122
123 end module notifyCutoffs