xref: /libCEED/tests/t500-operator-f.f90 (revision 9cf88b28e874a91fbe464b60f41b3973b01eeda4)
1!-----------------------------------------------------------------------
2      subroutine setup(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,&
3&           u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,v16,ierr)
4      real*8 ctx
5      real*8 u1(1)
6      real*8 u2(1)
7      real*8 v1(1)
8      integer q,ierr
9
10      do i=1,q
11        v1(i)=u1(i)*u2(i)
12      enddo
13
14      ierr=0
15      end
16!-----------------------------------------------------------------------
17      subroutine mass(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,&
18&           u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,v16,ierr)
19      real*8 ctx
20      real*8 u1(1)
21      real*8 u2(1)
22      real*8 v1(1)
23      integer q,ierr
24
25      do i=1,q
26        v1(i)=u2(i)*u1(i)
27      enddo
28
29      ierr=0
30      end
31!-----------------------------------------------------------------------
32      program test
33
34      include 'ceedf.h'
35
36      integer ceed,err,i,j
37      integer imode
38      parameter(imode=ceed_noninterlaced)
39      integer stridesu(3)
40      integer erestrictx,erestrictu,erestrictui
41      integer bx,bu
42      integer qf_setup,qf_mass
43      integer op_setup,op_mass
44      integer qdata,x,u,v
45      integer nelem,p,q
46      parameter(nelem=15)
47      parameter(p=5)
48      parameter(q=8)
49      integer nx,nu
50      parameter(nx=nelem+1)
51      parameter(nu=nelem*(p-1)+1)
52      integer indx(nelem*2)
53      integer indu(nelem*p)
54      real*8 arrx(nx)
55      integer*8 voffset,xoffset
56
57      real*8 hv(nu)
58
59      character arg*32
60
61      external setup,mass
62
63      call getarg(1,arg)
64      call ceedinit(trim(arg)//char(0),ceed,err)
65
66      do i=0,nx-1
67        arrx(i+1)=i/(nx-1.d0)
68      enddo
69      do i=0,nelem-1
70        indx(2*i+1)=i
71        indx(2*i+2)=i+1
72      enddo
73
74      call ceedelemrestrictioncreate(ceed,imode,nelem,2,nx,1,ceed_mem_host,&
75     & ceed_use_pointer,indx,erestrictx,err)
76
77      do i=0,nelem-1
78        do j=0,p-1
79          indu(p*i+j+1)=i*(p-1)+j
80        enddo
81      enddo
82
83      call ceedelemrestrictioncreate(ceed,imode,nelem,p,nu,1,ceed_mem_host,&
84     & ceed_use_pointer,indu,erestrictu,err)
85      stridesu=[1,q,q]
86      call ceedelemrestrictioncreatestrided(ceed,nelem,q,q*nelem,1,stridesu,&
87     & erestrictui,err)
88
89      call ceedbasiscreatetensorh1lagrange(ceed,1,1,2,q,ceed_gauss,bx,err)
90      call ceedbasiscreatetensorh1lagrange(ceed,1,1,p,q,ceed_gauss,bu,err)
91
92      call ceedqfunctioncreateinterior(ceed,1,setup,&
93     &SOURCE_DIR&
94     &//'t500-operator.h:setup'//char(0),qf_setup,err)
95      call ceedqfunctionaddinput(qf_setup,'_weight',1,ceed_eval_weight,err)
96      call ceedqfunctionaddinput(qf_setup,'dx',1,ceed_eval_grad,err)
97      call ceedqfunctionaddoutput(qf_setup,'rho',1,ceed_eval_none,err)
98
99      call ceedqfunctioncreateinterior(ceed,1,mass,&
100     &SOURCE_DIR&
101     &//'t500-operator.h:mass'//char(0),qf_mass,err)
102      call ceedqfunctionaddinput(qf_mass,'rho',1,ceed_eval_none,err)
103      call ceedqfunctionaddinput(qf_mass,'u',1,ceed_eval_interp,err)
104      call ceedqfunctionaddoutput(qf_mass,'v',1,ceed_eval_interp,err)
105
106      call ceedoperatorcreate(ceed,qf_setup,ceed_qfunction_none,&
107     & ceed_qfunction_none,op_setup,err)
108      call ceedoperatorcreate(ceed,qf_mass,ceed_qfunction_none,&
109     & ceed_qfunction_none,op_mass,err)
110
111      call ceedvectorcreate(ceed,nx,x,err)
112      xoffset=0
113      call ceedvectorsetarray(x,ceed_mem_host,ceed_use_pointer,arrx,xoffset,err)
114      call ceedvectorcreate(ceed,nelem*q,qdata,err)
115
116      call ceedoperatorsetfield(op_setup,'_weight',ceed_elemrestriction_none,&
117     & bx,ceed_vector_none,err)
118      call ceedoperatorsetfield(op_setup,'dx',erestrictx,bx,&
119     & ceed_vector_active,err)
120      call ceedoperatorsetfield(op_setup,'rho',erestrictui,&
121     & ceed_basis_collocated,ceed_vector_active,err)
122      call ceedoperatorsetfield(op_mass,'rho',erestrictui,&
123     & ceed_basis_collocated,qdata,err)
124      call ceedoperatorsetfield(op_mass,'u',erestrictu,bu,&
125     & ceed_vector_active,err)
126      call ceedoperatorsetfield(op_mass,'v',erestrictu,bu,&
127     & ceed_vector_active,err)
128
129      call ceedoperatorapply(op_setup,x,qdata,ceed_request_immediate,err)
130
131      call ceedvectorcreate(ceed,nu,u,err)
132      call ceedvectorsetvalue(u,0.d0,err)
133      call ceedvectorcreate(ceed,nu,v,err)
134      call ceedoperatorapply(op_mass,u,v,ceed_request_immediate,err)
135
136      call ceedvectorgetarrayread(v,ceed_mem_host,hv,voffset,err)
137      do i=1,nu
138        if (abs(hv(voffset+i))>1.0d-10) then
139! LCOV_EXCL_START
140          write(*,*) '[',i,'] v ',hv(voffset+i),' != 0.0'
141! LCOV_EXCL_STOP
142        endif
143      enddo
144      call ceedvectorrestorearrayread(v,hv,voffset,err)
145
146      call ceedvectordestroy(qdata,err)
147      call ceedvectordestroy(x,err)
148      call ceedvectordestroy(u,err)
149      call ceedvectordestroy(v,err)
150      call ceedoperatordestroy(op_mass,err)
151      call ceedoperatordestroy(op_setup,err)
152      call ceedqfunctiondestroy(qf_mass,err)
153      call ceedqfunctiondestroy(qf_setup,err)
154      call ceedbasisdestroy(bu,err)
155      call ceedbasisdestroy(bx,err)
156      call ceedelemrestrictiondestroy(erestrictu,err)
157      call ceedelemrestrictiondestroy(erestrictx,err)
158      call ceedelemrestrictiondestroy(erestrictui,err)
159      call ceeddestroy(ceed,err)
160      end
161!-----------------------------------------------------------------------
162