xref: /libCEED/tests/t510-operator-f.f90 (revision 3ab4fca656a1e01d815a06ccfa0fdd49692deced)
1!-----------------------------------------------------------------------
2!
3! Header with common subroutine
4!
5      include 't320-basis-f.h'
6!
7! Header with QFunctions
8!
9      include 't510-operator-f.h'
10!-----------------------------------------------------------------------
11      program test
12      implicit none
13      include 'ceedf.h'
14
15      integer ceed,err,i
16      integer stridesu(3)
17      integer erestrictx,erestrictu,erestrictui
18      integer bx,bu
19      integer qf_setup,qf_mass
20      integer op_setup,op_mass
21      integer qdata,x,u,v
22      integer nelem,p,q,d
23      integer val,row,col,offset
24      parameter(nelem=12)
25      parameter(p=6)
26      parameter(q=4)
27      parameter(d=2)
28      integer ndofs,nqpts,nx,ny
29      parameter(nx=3)
30      parameter(ny=2)
31      parameter(ndofs=(nx*2+1)*(ny*2+1))
32      parameter(nqpts=nelem*q)
33      integer indx(nelem*p)
34      real*8 arrx(d*ndofs)
35      integer*8 voffset,xoffset
36
37      real*8 qref(d*q)
38      real*8 qweight(q)
39      real*8 interp(p*q)
40      real*8 grad(d*p*q)
41
42      real*8 hv(ndofs)
43
44      character arg*32
45
46      external setup,mass
47
48      call getarg(1,arg)
49
50      call ceedinit(trim(arg)//char(0),ceed,err)
51
52      do i=0,ndofs-1
53        arrx(i+1)=mod(i,(nx*2+1))
54        arrx(i+1)=arrx(i+1)*(1.d0/(nx*2.d0))
55        val=(i/(nx*2+1))
56        arrx(i+1+ndofs)=val*(1.d0/(ny*2.d0))
57      enddo
58      do i=0,5
59        col=mod(i,nx)
60        row=i/nx
61        offset=col*2+row*(nx*2+1)*2
62
63        indx(i*2*p+1)=2+offset
64        indx(i*2*p+2)=9+offset
65        indx(i*2*p+3)=16+offset
66        indx(i*2*p+4)=1+offset
67        indx(i*2*p+5)=8+offset
68        indx(i*2*p+6)=0+offset
69
70        indx(i*2*p+7)=14+offset
71        indx(i*2*p+8)=7+offset
72        indx(i*2*p+9)=0+offset
73        indx(i*2*p+10)=15+offset
74        indx(i*2*p+11)=8+offset
75        indx(i*2*p+12)=16+offset
76      enddo
77
78      call ceedelemrestrictioncreate(ceed,nelem,p,d,ndofs,d*ndofs,&
79     & ceed_mem_host,ceed_use_pointer,indx,erestrictx,err)
80
81      call ceedelemrestrictioncreate(ceed,nelem,p,1,1,ndofs,ceed_mem_host,&
82     & ceed_use_pointer,indx,erestrictu,err)
83      stridesu=[1,q,q]
84      call ceedelemrestrictioncreatestrided(ceed,nelem,q,1,nqpts,stridesu,&
85     & erestrictui,err)
86
87      call buildmats(qref,qweight,interp,grad)
88      call ceedbasiscreateh1(ceed,ceed_triangle,d,p,q,interp,grad,qref,qweight,&
89     & bx,err)
90      call buildmats(qref,qweight,interp,grad)
91      call ceedbasiscreateh1(ceed,ceed_triangle,1,p,q,interp,grad,qref,qweight,&
92     & bu,err)
93
94      call ceedqfunctioncreateinterior(ceed,1,setup,&
95     &SOURCE_DIR&
96     &//'t510-operator.h:setup'//char(0),qf_setup,err)
97      call ceedqfunctionaddinput(qf_setup,'_weight',1,ceed_eval_weight,err)
98      call ceedqfunctionaddinput(qf_setup,'x',d*d,ceed_eval_grad,err)
99      call ceedqfunctionaddoutput(qf_setup,'rho',1,ceed_eval_none,err)
100
101      call ceedqfunctioncreateinterior(ceed,1,mass,&
102     &SOURCE_DIR&
103     &//'t510-operator.h:mass'//char(0),qf_mass,err)
104      call ceedqfunctionaddinput(qf_mass,'rho',1,ceed_eval_none,err)
105      call ceedqfunctionaddinput(qf_mass,'u',1,ceed_eval_interp,err)
106      call ceedqfunctionaddoutput(qf_mass,'v',1,ceed_eval_interp,err)
107
108      call ceedoperatorcreate(ceed,qf_setup,ceed_qfunction_none,&
109     & ceed_qfunction_none,op_setup,err)
110      call ceedoperatorcreate(ceed,qf_mass,ceed_qfunction_none,&
111     & ceed_qfunction_none,op_mass,err)
112
113      call ceedvectorcreate(ceed,d*ndofs,x,err)
114      xoffset=0
115      call ceedvectorsetarray(x,ceed_mem_host,ceed_use_pointer,arrx,xoffset,err)
116      call ceedvectorcreate(ceed,nqpts,qdata,err)
117
118      call ceedoperatorsetfield(op_setup,'_weight',ceed_elemrestriction_none,&
119     & bx,ceed_vector_none,err)
120      call ceedoperatorsetfield(op_setup,'x',erestrictx,bx,&
121     & ceed_vector_active,err)
122      call ceedoperatorsetfield(op_setup,'rho',erestrictui,&
123     & ceed_basis_collocated,ceed_vector_active,err)
124      call ceedoperatorsetfield(op_mass,'rho',erestrictui,&
125     & ceed_basis_collocated,qdata,err)
126      call ceedoperatorsetfield(op_mass,'u',erestrictu,bu,&
127     & ceed_vector_active,err)
128      call ceedoperatorsetfield(op_mass,'v',erestrictu,bu,&
129     & ceed_vector_active,err)
130
131      call ceedoperatorapply(op_setup,x,qdata,ceed_request_immediate,err)
132
133      call ceedvectorcreate(ceed,ndofs,u,err)
134      call ceedvectorsetvalue(u,0.d0,err)
135      call ceedvectorcreate(ceed,ndofs,v,err)
136      call ceedoperatorapply(op_mass,u,v,ceed_request_immediate,err)
137
138      call ceedvectorgetarrayread(v,ceed_mem_host,hv,voffset,err)
139      do i=1,ndofs
140        if (abs(hv(voffset+i))>1.0d-10) then
141! LCOV_EXCL_START
142          write(*,*) '[',i,'] v ',hv(voffset+i),' != 0.0'
143! LCOV_EXCL_STOP
144        endif
145      enddo
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 ceeddestroy(ceed,err)
162      end
163!-----------------------------------------------------------------------
164