xref: /phasta/svLS/ADDBCMUL.f (revision 712d3df0b59ebebaaeaea358162c8d2c043c6e08)
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40
41      SUBROUTINE ADDBCMUL(op_Type, nFaces, dof, nNo, mynNo, commu, face,
42     2   X, Y)
43
44      INCLUDE "svLS_STD.h"
45
46      INTEGER, INTENT(IN) :: op_type, nFaces, dof, nNo, mynNo
47      TYPE(svLS_commuType), INTENT(IN) :: commu
48      TYPE(svLS_faceType), INTENT(IN) :: face(nFaces)
49      REAL*8, INTENT(IN) :: X(dof, nNo)
50      REAL*8, INTENT(INOUT) :: Y(dof, nNo)
51
52      INTEGER faIn, i, a, Ac, nsd
53      REAL*8 S, DOTV
54      REAL*8, ALLOCATABLE :: v(:,:), coef(:)
55
56      ALLOCATE(coef(nFaces))
57
58      IF (op_Type .EQ. BCOP_TYPE_ADD) THEN
59         coef = face%res
60      ELSE IF(op_Type .EQ. BCOP_TYPE_PRE) THEN
61         coef = -face%res/(1D0 + face%res*face%nS)
62      ELSE
63         PRINT *, "op_Type is not defined"
64         STOP
65      END IF
66
67      DO faIn=1, nFaces
68         nsd = MIN(face(faIn)%dof,dof)
69         IF (face(faIn)%coupledFlag) THEN
70            IF (face(faIn)%sharedFlag) THEN
71               IF (.NOT.ALLOCATED(v)) ALLOCATE(v(dof,nNo))
72               v = 0D0
73               DO a=1, face(faIn)%nNo
74                  Ac = face(faIn)%glob(a)
75                  DO i=1, nsd
76                     v(i,Ac) = face(faIn)%valM(i,a)
77                  END DO
78               END DO
79               S = coef(faIn)*DOTV(dof, mynNo, commu, v, X)
80               DO a=1, face(faIn)%nNo
81                  Ac = face(faIn)%glob(a)
82                  DO i=1, nsd
83                     Y(i,Ac) = Y(i,Ac) + v(i,Ac)*S
84                  END DO
85               END DO
86            ELSE
87               S = 0D0
88               DO a=1, face(faIn)%nNo
89                  Ac = face(faIn)%glob(a)
90                  DO i=1, nsd
91                     S = S + face(faIn)%valM(i,a)*X(i,Ac)
92                  END DO
93               END DO
94               S = coef(faIn)*S
95               DO a=1, face(faIn)%nNo
96                  Ac = face(faIn)%glob(a)
97                  DO i=1, nsd
98                     Y(i,Ac) = Y(i,Ac) + face(faIn)%valM(i,a)*S
99                  END DO
100               END DO
101            END IF
102         END IF
103      END DO
104
105      RETURN
106      END SUBROUTINE ADDBCMUL
107