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root/group/trunk/OOPSE/libmdtools/atype_module.F90
Revision: 894
Committed: Mon Jan 5 21:00:05 2004 UTC (20 years, 6 months ago) by chuckv
File size: 2806 byte(s)
Log Message:
Added bitmask to do_forces property lookup

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 chuckv 894 integer, public, parameter :: LJ_PROPERTY_MASK = 1
15     integer, public, parameter :: DP_PROPERTY_MASK = 2
16     integer, public, parameter :: STICKY_PROPERTY_MASK = 4
17     integer, public, parameter :: GB_PROPERTY_MASK = 8
18     integer, public, parameter :: EAM_PROPERTY_MASK = 16
19    
20 mmeineke 377 contains
21    
22 chuckv 631 subroutine new_atype(c_ident, is_LJ, is_Sticky, is_DP, is_GB, is_EAM,&
23 gezelter 462 lj_epsilon, lj_sigma, dipole_moment, status)
24 mmeineke 377
25     real( kind = dp ), intent(in) :: lj_epsilon
26     real( kind = dp ), intent(in) :: lj_sigma
27     real( kind = dp ), intent(in) :: dipole_moment
28    
29     integer, intent(in) :: c_ident
30     integer, intent(out) :: status
31     integer, intent(in) :: is_Sticky
32     integer, intent(in) :: is_DP
33     integer, intent(in) :: is_GB
34 chuckv 631 integer, intent(in) :: is_EAM
35 mmeineke 377 integer, intent(in) :: is_LJ
36     integer :: me
37     logical :: l_is_LJ, l_is_DP, l_is_Sticky, l_is_GB
38 chuckv 631 logical :: l_is_EAM
39 chuckv 894 integer :: propertyPack
40 mmeineke 377 integer :: FFcheckStatus
41     status = 0
42    
43     if (.not. associated(atypes)) then
44     !! There are 16 properties to worry about for now.
45     !! Fix this if needed for more atomic properties
46 chuckv 894 atypes => initialize(17)
47 mmeineke 377 if (.not.associated(atypes)) then
48     status = -1
49     return
50     endif
51     endif
52    
53     me = addElement(atypes)
54     call setElementProperty(atypes, me, "c_ident", c_ident)
55    
56     l_is_LJ = (is_LJ .ne. 0)
57     l_is_DP = (is_DP .ne. 0)
58     l_is_Sticky = (is_Sticky .ne. 0)
59     l_is_GB = (is_GB .ne. 0)
60 chuckv 631 l_is_EAM = (is_EAM .ne. 0)
61 mmeineke 377
62     call setElementProperty(atypes, me, "is_LJ", l_is_LJ)
63     call setElementProperty(atypes, me, "is_DP", l_is_DP)
64     call setElementProperty(atypes, me, "is_Sticky", l_is_Sticky)
65     call setElementProperty(atypes, me, "is_GB", l_is_GB)
66 chuckv 633 call setElementProperty(atypes, me, "is_EAM", l_is_EAM)
67 mmeineke 377
68 chuckv 894 propertyPack = 0
69     if (l_is_LJ) propertyPack = propertyPack + LJ_PROPERTY_MASK
70     if (l_is_DP) propertyPack = propertyPack + DP_PROPERTY_MASK
71     if (l_is_Sticky) propertyPack = propertyPack + STICKY_PROPERTY_MASK
72     if (l_is_GB) propertyPack = propertyPack + GB_PROPERTY_MASK
73     if (l_is_EAM) propertyPack = propertyPack + EAM_PROPERTY_MASK
74    
75     call setElementProperty(atypes, me, "propertyPack", propertyPack)
76    
77 mmeineke 377 if (l_is_LJ) then
78     call setElementProperty(atypes, me, "lj_sigma", lj_sigma)
79     call setElementProperty(atypes, me, "lj_epsilon", lj_epsilon)
80     endif
81     if (l_is_DP) then
82     call setElementProperty(atypes, me, "dipole_moment", dipole_moment)
83     endif
84    
85     end subroutine new_atype
86    
87     end module atype_module