xref: /libCEED/tests/t503-operator-f.f90 (revision cb32e2e7f026784d97a57f1901677e9727def907)
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 erestrictx,erestrictu,erestrictxi,erestrictui
38      integer bx,bu
39      integer qf_setup,qf_mass
40      integer op_setup,op_mass
41      integer qdata,x,u,v
42      integer nelem,p,q
43      parameter(nelem=15)
44      parameter(p=5)
45      parameter(q=8)
46      integer nx,nu
47      parameter(nx=nelem+1)
48      parameter(nu=nelem*(p-1)+1)
49      integer indx(nelem*2)
50      integer indu(nelem*p)
51      real*8 arrx(nx)
52      integer*8 voffset,xoffset
53
54      real*8 hv(nu)
55      real*8 total
56
57      character arg*32
58
59      external setup,mass
60
61      call getarg(1,arg)
62      call ceedinit(trim(arg)//char(0),ceed,err)
63
64      call ceedvectorcreate(ceed,nu,u,err)
65      call ceedvectorsetvalue(u,1.d0,err)
66
67      call ceedvectorcreate(ceed,nu,v,err)
68
69      do i=0,nx-1
70        arrx(i+1)=i/(nx-1.d0)
71      enddo
72      call ceedvectorcreate(ceed,nx,x,err)
73      xoffset=0
74      call ceedvectorsetarray(x,ceed_mem_host,ceed_use_pointer,arrx,xoffset,err)
75
76      call ceedvectorcreate(ceed,nelem*q,qdata,err)
77
78      do i=0,nelem-1
79        indx(2*i+1)=i
80        indx(2*i+2)=i+1
81      enddo
82      call ceedelemrestrictioncreate(ceed,nelem,2,nx,1,ceed_mem_host,&
83     & ceed_use_pointer,indx,erestrictx,err)
84      call ceedelemrestrictioncreateidentity(ceed,nelem,2,2*nelem,1,&
85     & erestrictxi,err)
86
87      do i=0,nelem-1
88        do j=0,p-1
89          indu(p*i+j+1)=i*(p-1)+j
90        enddo
91      enddo
92
93      call ceedelemrestrictioncreate(ceed,nelem,p,nu,1,ceed_mem_host,&
94     & ceed_use_pointer,indu,erestrictu,err)
95      call ceedelemrestrictioncreateidentity(ceed,nelem,q,q*nelem,1,&
96     & erestrictui,err)
97
98      call ceedbasiscreatetensorh1lagrange(ceed,1,1,2,q,ceed_gauss,bx,err)
99      call ceedbasiscreatetensorh1lagrange(ceed,1,1,p,q,ceed_gauss,bu,err)
100
101      call ceedqfunctioncreateinterior(ceed,1,setup,&
102     &SOURCE_DIR&
103     &//'t500-operator.h:setup'//char(0),qf_setup,err)
104      call ceedqfunctionaddinput(qf_setup,'_weight',1,ceed_eval_weight,err)
105      call ceedqfunctionaddinput(qf_setup,'dx',1,ceed_eval_grad,err)
106      call ceedqfunctionaddoutput(qf_setup,'rho',1,ceed_eval_none,err)
107
108      call ceedqfunctioncreateinterior(ceed,1,mass,&
109     &SOURCE_DIR&
110     &//'t500-operator.h:mass'//char(0),qf_mass,err)
111      call ceedqfunctionaddinput(qf_mass,'rho',1,ceed_eval_none,err)
112      call ceedqfunctionaddinput(qf_mass,'u',1,ceed_eval_interp,err)
113      call ceedqfunctionaddoutput(qf_mass,'v',1,ceed_eval_interp,err)
114
115      call ceedoperatorcreate(ceed,qf_setup,ceed_null,ceed_null,op_setup,err)
116      call ceedoperatorcreate(ceed,qf_mass,ceed_null,ceed_null,op_mass,err)
117
118      call ceedoperatorsetfield(op_setup,'_weight',erestrictxi,&
119     & ceed_notranspose,bx,ceed_vector_none,err)
120      call ceedoperatorsetfield(op_setup,'dx',erestrictx,&
121     & ceed_notranspose,bx,x,err)
122      call ceedoperatorsetfield(op_setup,'rho',erestrictui,&
123     & ceed_notranspose,ceed_basis_collocated,qdata,err)
124      call ceedoperatorsetfield(op_mass,'rho',erestrictui,&
125     & ceed_notranspose,ceed_basis_collocated,qdata,err)
126      call ceedoperatorsetfield(op_mass,'u',erestrictu,&
127     & ceed_notranspose,bu,u,err)
128      call ceedoperatorsetfield(op_mass,'v',erestrictu,&
129     & ceed_notranspose,bu,v,err)
130
131      call ceedoperatorapply(op_setup,ceed_null,ceed_null,&
132     & ceed_request_immediate,err)
133      call ceedoperatorapply(op_mass,ceed_null,ceed_null,&
134     & ceed_request_immediate,err)
135
136      call ceedvectorgetarrayread(v,ceed_mem_host,hv,voffset,err)
137      total=0.
138      do i=1,nu
139        total=total+hv(voffset+i)
140      enddo
141      if (abs(total-1.)>1.0d-10) then
142! LCOV_EXCL_START
143        write(*,*) 'Computed Area: ',total,' != True Area: 1.0'
144! LCOV_EXCL_STOP
145      endif
146      call ceedvectorrestorearrayread(v,hv,voffset,err)
147
148      call ceedvectordestroy(qdata,err)
149      call ceedvectordestroy(x,err)
150      call ceedvectordestroy(u,err)
151      call ceedvectordestroy(v,err)
152      call ceedoperatordestroy(op_mass,err)
153      call ceedoperatordestroy(op_setup,err)
154      call ceedqfunctiondestroy(qf_mass,err)
155      call ceedqfunctiondestroy(qf_setup,err)
156      call ceedbasisdestroy(bu,err)
157      call ceedbasisdestroy(bx,err)
158      call ceedelemrestrictiondestroy(erestrictu,err)
159      call ceedelemrestrictiondestroy(erestrictx,err)
160      call ceedelemrestrictiondestroy(erestrictui,err)
161      call ceedelemrestrictiondestroy(erestrictxi,err)
162      call ceeddestroy(ceed,err)
163      end
164!-----------------------------------------------------------------------
165