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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

# Content
1 !! 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 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
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 real( kind = dp ), intent(in) :: charge
24
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 integer, intent(in) :: is_EAM
31 integer, intent(in) :: is_LJ
32 integer, intent(in) :: is_Charge
33 integer :: me
34 logical :: l_is_LJ, l_is_DP, l_is_Sticky, l_is_GB
35 logical :: l_is_EAM, l_is_Charge
36 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 atypes => initialize(17)
43 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 l_is_EAM = (is_EAM .ne. 0)
57 l_is_Charge = (is_Charge .ne. 0)
58
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 call setElementProperty(atypes, me, "is_EAM", l_is_EAM)
64 call setElementProperty(atypes, me, "is_Charge", l_is_Charge)
65
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 if (l_is_Charge) then
74 call setElementProperty(atypes, me, "charge", charge)
75 endif
76
77 end subroutine new_atype
78
79 end module atype_module