xref: /libCEED/tests/t503-operator-f.f90 (revision 014ec18d8ea934e4fc0f69a8c06ffce36a53ff2a)
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 stridesu(3)
38      integer erestrictx,erestrictu,erestrictui
39      integer bx,bu
40      integer qf_setup,qf_mass
41      integer op_setup,op_mass
42      integer qdata,x,u,v
43      integer nelem,p,q
44      parameter(nelem=15)
45      parameter(p=5)
46      parameter(q=8)
47      integer nx,nu
48      parameter(nx=nelem+1)
49      parameter(nu=nelem*(p-1)+1)
50      integer indx(nelem*2)
51      integer indu(nelem*p)
52      real*8 arrx(nx)
53      integer*8 voffset,xoffset
54
55      real*8 hv(nu)
56      real*8 total
57
58      character arg*32
59
60      external setup,mass
61
62      call getarg(1,arg)
63      call ceedinit(trim(arg)//char(0),ceed,err)
64
65      call ceedvectorcreate(ceed,nu,u,err)
66      call ceedvectorsetvalue(u,1.d0,err)
67
68      call ceedvectorcreate(ceed,nu,v,err)
69
70      do i=0,nx-1
71        arrx(i+1)=i/(nx-1.d0)
72      enddo
73      call ceedvectorcreate(ceed,nx,x,err)
74      xoffset=0
75      call ceedvectorsetarray(x,ceed_mem_host,ceed_use_pointer,arrx,xoffset,err)
76
77      call ceedvectorcreate(ceed,nelem*q,qdata,err)
78
79      do i=0,nelem-1
80        indx(2*i+1)=i
81        indx(2*i+2)=i+1
82      enddo
83      call ceedelemrestrictioncreate(ceed,nelem,2,1,1,nx,ceed_mem_host,&
84     & ceed_use_pointer,indx,erestrictx,err)
85
86      do i=0,nelem-1
87        do j=0,p-1
88          indu(p*i+j+1)=i*(p-1)+j
89        enddo
90      enddo
91
92      call ceedelemrestrictioncreate(ceed,nelem,p,1,1,nu,ceed_mem_host,&
93     & ceed_use_pointer,indu,erestrictu,err)
94      stridesu=[1,q,q]
95      call ceedelemrestrictioncreatestrided(ceed,nelem,q,1,q*nelem,stridesu,&
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_qfunction_none,&
116     & ceed_qfunction_none,op_setup,err)
117      call ceedoperatorcreate(ceed,qf_mass,ceed_qfunction_none,&
118     & ceed_qfunction_none,op_mass,err)
119
120      call ceedoperatorsetfield(op_setup,'_weight',ceed_elemrestriction_none,&
121     & bx,ceed_vector_none,err)
122      call ceedoperatorsetfield(op_setup,'dx',erestrictx,bx,x,err)
123      call ceedoperatorsetfield(op_setup,'rho',erestrictui,&
124     & ceed_basis_collocated,qdata,err)
125      call ceedoperatorsetfield(op_mass,'rho',erestrictui,&
126     & ceed_basis_collocated,qdata,err)
127      call ceedoperatorsetfield(op_mass,'u',erestrictu,bu,u,err)
128      call ceedoperatorsetfield(op_mass,'v',erestrictu,bu,v,err)
129
130      call ceedoperatorapply(op_setup,ceed_vector_none,ceed_vector_none,&
131     & ceed_request_immediate,err)
132      call ceedoperatorapply(op_mass,ceed_vector_none,ceed_vector_none,&
133     & ceed_request_immediate,err)
134
135      call ceedvectorgetarrayread(v,ceed_mem_host,hv,voffset,err)
136      total=0.
137      do i=1,nu
138        total=total+hv(voffset+i)
139      enddo
140      if (abs(total-1.)>1.0d-10) then
141! LCOV_EXCL_START
142        write(*,*) 'Computed Area: ',total,' != True Area: 1.0'
143! LCOV_EXCL_STOP
144      endif
145      call ceedvectorrestorearrayread(v,hv,voffset,err)
146
147      call ceedvectordestroy(qdata,err)
148      call ceedvectordestroy(x,err)
149      call ceedvectordestroy(u,err)
150      call ceedvectordestroy(v,err)
151      call ceedoperatordestroy(op_mass,err)
152      call ceedoperatordestroy(op_setup,err)
153      call ceedqfunctiondestroy(qf_mass,err)
154      call ceedqfunctiondestroy(qf_setup,err)
155      call ceedbasisdestroy(bu,err)
156      call ceedbasisdestroy(bx,err)
157      call ceedelemrestrictiondestroy(erestrictu,err)
158      call ceedelemrestrictiondestroy(erestrictx,err)
159      call ceedelemrestrictiondestroy(erestrictui,err)
160      call ceeddestroy(ceed,err)
161      end
162!-----------------------------------------------------------------------
163