xref: /libCEED/tests/t540-operator-f.f90 (revision 39b2de37682296be8460181179eb4e44de5cc3de)
1!-----------------------------------------------------------------------
2      subroutine setup_mass(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,&
3&           u14,u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,&
4&           v16,ierr)
5      real*8 ctx
6      real*8 u1(1)
7      real*8 u2(1)
8      real*8 v1(1)
9      integer q,ierr
10
11      do i=1,q
12        v1(i)=u2(i)*(u1(i+q*0)*u1(i+q*3)-u1(i+q*1)*u1(i+q*2))
13      enddo
14
15      ierr=0
16      end
17!-----------------------------------------------------------------------
18      subroutine apply(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,&
19&           u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,v16,ierr)
20      real*8 ctx
21      real*8 u1(1)
22      real*8 u2(1)
23      real*8 v1(1)
24      integer q,ierr
25
26      do i=1,q
27!       mass
28        v1(i) = u1(i)*u2(i)
29      enddo
30
31      ierr=0
32      end
33!-----------------------------------------------------------------------
34      program test
35
36      include 'ceedf.h'
37
38      integer ceed,err,i
39      integer erestrictxi,erestrictui,erestrictqi
40      integer bx,bu
41      integer qf_setup_mass,qf_apply
42      integer op_setup_mass,op_apply,op_inv
43      integer qdata_mass,x,u,v
44      integer nelem,p,q,d
45      parameter(nelem=1)
46      parameter(p=4)
47      parameter(q=5)
48      parameter(d=2)
49      integer ndofs,nqpts
50      parameter(ndofs=p*p)
51      parameter(nqpts=nelem*q*q)
52      real*8 arrx(d*nelem*2*2),uu(ndofs)
53      integer*8 xoffset,uoffset
54
55      character arg*32
56
57      external setup_mass,apply
58
59      call getarg(1,arg)
60
61      call ceedinit(trim(arg)//char(0),ceed,err)
62
63! DoF Coordinates
64      do i=0,1
65      do j=0,1
66        arrx(i+1+j*2+0*4)=i
67        arrx(i+1+j*2+1*4)=j
68      enddo
69      enddo
70      call ceedvectorcreate(ceed,d*nelem*2*2,x,err)
71      xoffset=0
72      call ceedvectorsetarray(x,ceed_mem_host,ceed_use_pointer,arrx,xoffset,err)
73
74! Qdata Vector
75      call ceedvectorcreate(ceed,nqpts,qdata_mass,err)
76
77! Restrictions
78      call ceedelemrestrictioncreateidentity(ceed,nelem,2*2,nelem*2*2,d,&
79     & erestrictxi,err)
80
81      call ceedelemrestrictioncreateidentity(ceed,nelem,p*p,ndofs,1,&
82     & erestrictui,err)
83
84      call ceedelemrestrictioncreateidentity(ceed,nelem,q*q,nqpts,1,&
85     & erestrictqi,err)
86
87! Bases
88      call ceedbasiscreatetensorh1lagrange(ceed,d,d,2,q,ceed_gauss,bx,err)
89      call ceedbasiscreatetensorh1lagrange(ceed,d,1,p,q,ceed_gauss,bu,err)
90
91! QFunction - setup mass
92      call ceedqfunctioncreateinterior(ceed,1,setup_mass,&
93     &SOURCE_DIR&
94     &//'t540-operator.h:setup_mass'//char(0),qf_setup_mass,err)
95      call ceedqfunctionaddinput(qf_setup_mass,'dx',d*d,ceed_eval_grad,err)
96      call ceedqfunctionaddinput(qf_setup_mass,'_weight',1,ceed_eval_weight,err)
97      call ceedqfunctionaddoutput(qf_setup_mass,'qdata',1,ceed_eval_none,err)
98
99! Operator - setup mass
100      call ceedoperatorcreate(ceed,qf_setup_mass,ceed_qfunction_none,&
101     & ceed_qfunction_none,op_setup_mass,err)
102      call ceedoperatorsetfield(op_setup_mass,'dx',erestrictxi,&
103     & ceed_notranspose,bx,ceed_vector_active,err)
104      call ceedoperatorsetfield(op_setup_mass,'_weight',erestrictxi,&
105     & ceed_notranspose,bx,ceed_vector_none,err)
106      call ceedoperatorsetfield(op_setup_mass,'qdata',erestrictqi,&
107     & ceed_notranspose,ceed_basis_collocated,ceed_vector_active,err)
108
109! Apply Setup Operators
110      call ceedoperatorapply(op_setup_mass,x,qdata_mass,&
111     & ceed_request_immediate,err)
112
113! QFunction - apply
114      call ceedqfunctioncreateinterior(ceed,1,apply,&
115     &SOURCE_DIR&
116     &//'t540-operator.h:apply'//char(0),qf_apply,err)
117      call ceedqfunctionaddinput(qf_apply,'u',1,ceed_eval_interp,err)
118      call ceedqfunctionaddinput(qf_apply,'qdata_mass',1,ceed_eval_none,err)
119      call ceedqfunctionaddoutput(qf_apply,'v',1,ceed_eval_interp,err)
120
121! Operator - apply
122      call ceedoperatorcreate(ceed,qf_apply,ceed_qfunction_none,&
123     & ceed_qfunction_none,op_apply,err)
124      call ceedoperatorsetfield(op_apply,'u',erestrictui,&
125     & ceed_notranspose,bu,ceed_vector_active,err)
126      call ceedoperatorsetfield(op_apply,'qdata_mass',erestrictqi,&
127     & ceed_notranspose,ceed_basis_collocated,qdata_mass,err)
128      call ceedoperatorsetfield(op_apply,'v',erestrictui,&
129     & ceed_notranspose,bu,ceed_vector_active,err)
130
131! Apply original operator
132      call ceedvectorcreate(ceed,ndofs,u,err)
133      call ceedvectorsetvalue(u,1.d0,err)
134      call ceedvectorcreate(ceed,ndofs,v,err)
135      call ceedvectorsetvalue(v,0.d0,err)
136      call ceedoperatorapply(op_apply,u,v,ceed_request_immediate,err)
137
138! Create FDM element inverse
139      call ceedoperatorcreatefdmelementinverse(op_apply,op_inv,&
140     & ceed_request_immediate,err)
141
142! Apply FDM element inverse
143      call ceedoperatorapply(op_inv,v,u,ceed_request_immediate,err)
144
145! Check Output
146      call ceedvectorgetarrayread(u,ceed_mem_host,uu,uoffset,err)
147      do i=1,ndofs
148        if (abs(uu(uoffset+i)-1.0)>1.0d-14) then
149! LCOV_EXCL_START
150          write(*,*) '[',i,'] Error in inverse: ',uu(uoffset+i),' != 1.0'
151! LCOV_EXCL_STOP
152        endif
153      enddo
154      call ceedvectorrestorearrayread(u,uu,uoffset,err)
155
156! Cleanup
157      call ceedqfunctiondestroy(qf_setup_mass,err)
158      call ceedqfunctiondestroy(qf_apply,err)
159      call ceedoperatordestroy(op_setup_mass,err)
160      call ceedoperatordestroy(op_apply,err)
161      call ceedoperatordestroy(op_inv,err)
162      call ceedelemrestrictiondestroy(erestrictxi,err)
163      call ceedelemrestrictiondestroy(erestrictui,err)
164      call ceedelemrestrictiondestroy(erestrictqi,err)
165      call ceedbasisdestroy(bu,err)
166      call ceedbasisdestroy(bx,err)
167      call ceedvectordestroy(x,err)
168      call ceedvectordestroy(u,err)
169      call ceedvectordestroy(v,err)
170      call ceedvectordestroy(qdata_mass,err)
171      call ceeddestroy(ceed,err)
172      end
173!-----------------------------------------------------------------------
174