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root/group/trunk/OOPSE/libmdtools/atype_module.F90
Revision: 941
Committed: Tue Jan 13 23:01:43 2004 UTC (20 years, 5 months ago) by gezelter
File size: 2392 byte(s)
Log Message:
Changes for adding direct charge-charge interactions (with switching function)

File Contents

# User Rev Content
1 mmeineke 377 !! module defines atypes available to simulation
2    
3     module atype_module
4     use definitions, only: dp
5     use vector_class
6     implicit none
7     private
8    
9     type (Vector), pointer, public :: atypes => null()
10    
11    
12     public :: new_atype
13    
14     contains
15    
16 gezelter 941 subroutine new_atype(c_ident, is_LJ, is_Sticky, is_DP, is_GB, &
17     is_EAM, is_Charge, lj_epsilon, lj_sigma, charge, dipole_moment, &
18     status)
19 mmeineke 377
20     real( kind = dp ), intent(in) :: lj_epsilon
21     real( kind = dp ), intent(in) :: lj_sigma
22     real( kind = dp ), intent(in) :: dipole_moment
23 gezelter 941 real( kind = dp ), intent(in) :: charge
24 mmeineke 377
25     integer, intent(in) :: c_ident
26     integer, intent(out) :: status
27     integer, intent(in) :: is_Sticky
28     integer, intent(in) :: is_DP
29     integer, intent(in) :: is_GB
30 chuckv 631 integer, intent(in) :: is_EAM
31 mmeineke 377 integer, intent(in) :: is_LJ
32 gezelter 941 integer, intent(in) :: is_Charge
33 mmeineke 377 integer :: me
34     logical :: l_is_LJ, l_is_DP, l_is_Sticky, l_is_GB
35 gezelter 941 logical :: l_is_EAM, l_is_Charge
36 mmeineke 377 integer :: FFcheckStatus
37     status = 0
38    
39     if (.not. associated(atypes)) then
40     !! There are 16 properties to worry about for now.
41     !! Fix this if needed for more atomic properties
42 chuckv 894 atypes => initialize(17)
43 mmeineke 377 if (.not.associated(atypes)) then
44     status = -1
45     return
46     endif
47     endif
48    
49     me = addElement(atypes)
50     call setElementProperty(atypes, me, "c_ident", c_ident)
51    
52     l_is_LJ = (is_LJ .ne. 0)
53     l_is_DP = (is_DP .ne. 0)
54     l_is_Sticky = (is_Sticky .ne. 0)
55     l_is_GB = (is_GB .ne. 0)
56 chuckv 631 l_is_EAM = (is_EAM .ne. 0)
57 gezelter 941 l_is_Charge = (is_Charge .ne. 0)
58 mmeineke 377
59     call setElementProperty(atypes, me, "is_LJ", l_is_LJ)
60     call setElementProperty(atypes, me, "is_DP", l_is_DP)
61     call setElementProperty(atypes, me, "is_Sticky", l_is_Sticky)
62     call setElementProperty(atypes, me, "is_GB", l_is_GB)
63 chuckv 633 call setElementProperty(atypes, me, "is_EAM", l_is_EAM)
64 gezelter 941 call setElementProperty(atypes, me, "is_Charge", l_is_Charge)
65 mmeineke 377
66     if (l_is_LJ) then
67     call setElementProperty(atypes, me, "lj_sigma", lj_sigma)
68     call setElementProperty(atypes, me, "lj_epsilon", lj_epsilon)
69     endif
70     if (l_is_DP) then
71     call setElementProperty(atypes, me, "dipole_moment", dipole_moment)
72     endif
73 gezelter 941 if (l_is_Charge) then
74     call setElementProperty(atypes, me, "charge", charge)
75     endif
76 mmeineke 377
77     end subroutine new_atype
78    
79     end module atype_module