xref: /libCEED/tests/t511-operator-f.f90 (revision d80fc06a6882f9ed5d7208de2efea3af5b025f69)
1!-----------------------------------------------------------------------
2!
3! Header with common subroutine
4!
5      include 't320-basis-f.h'
6!-----------------------------------------------------------------------
7      subroutine setup(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,&
8&           u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,v16,ierr)
9      real*8 ctx
10      real*8 u1(1)
11      real*8 u2(1)
12      real*8 v1(1)
13      integer q,ierr
14
15      do i=1,q
16        v1(i)=u1(i)*(u2(i+q*0)*u2(i+q*3)-u2(i+q*1)*u2(i+q*2))
17      enddo
18
19      ierr=0
20      end
21!-----------------------------------------------------------------------
22      subroutine mass(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,&
23&           u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,v16,ierr)
24      real*8 ctx
25      real*8 u1(1)
26      real*8 u2(1)
27      real*8 v1(1)
28      integer q,ierr
29
30      do i=1,q
31        v1(i)=u2(i)*u1(i)
32      enddo
33
34      ierr=0
35      end
36!-----------------------------------------------------------------------
37      program test
38
39      include 'ceedf.h'
40
41      integer ceed,err,i
42      integer imode
43      parameter(imode=ceed_noninterlaced)
44      integer stridesu(3)
45      integer erestrictx,erestrictu,erestrictui
46      integer bx,bu
47      integer qf_setup,qf_mass
48      integer op_setup,op_mass
49      integer qdata,x,u,v
50      integer nelem,p,q,d
51      integer val,row,col,offset
52      parameter(nelem=12)
53      parameter(p=6)
54      parameter(q=4)
55      parameter(d=2)
56      integer ndofs,nqpts,nx,ny
57      parameter(nx=3)
58      parameter(ny=2)
59      parameter(ndofs=(nx*2+1)*(ny*2+1))
60      parameter(nqpts=nelem*q)
61      integer indx(nelem*p)
62      real*8 arrx(d*ndofs)
63      integer*8 voffset,xoffset
64
65      real*8 qref(d*q)
66      real*8 qweight(q)
67      real*8 interp(p*q)
68      real*8 grad(d*p*q)
69      real*8 total
70
71      real*8 hv(ndofs)
72
73      character arg*32
74
75      external setup,mass
76
77      call getarg(1,arg)
78
79      call ceedinit(trim(arg)//char(0),ceed,err)
80
81      do i=0,ndofs-1
82        arrx(i+1)=mod(i,(nx*2+1))
83        arrx(i+1)=arrx(i+1)*(1.d0/(nx*2.d0))
84        val=(i/(nx*2+1))
85        arrx(i+1+ndofs)=val*(1.d0/(ny*2.d0))
86      enddo
87      do i=0,5
88        col=mod(i,nx)
89        row=i/nx
90        offset=col*2+row*(nx*2+1)*2
91
92        indx(i*2*p+1)=2+offset
93        indx(i*2*p+2)=9+offset
94        indx(i*2*p+3)=16+offset
95        indx(i*2*p+4)=1+offset
96        indx(i*2*p+5)=8+offset
97        indx(i*2*p+6)=0+offset
98
99        indx(i*2*p+7)=14+offset
100        indx(i*2*p+8)=7+offset
101        indx(i*2*p+9)=0+offset
102        indx(i*2*p+10)=15+offset
103        indx(i*2*p+11)=8+offset
104        indx(i*2*p+12)=16+offset
105      enddo
106
107      call ceedelemrestrictioncreate(ceed,imode,nelem,p,ndofs,d,ceed_mem_host,&
108     & ceed_use_pointer,indx,erestrictx,err)
109
110      call ceedelemrestrictioncreate(ceed,imode,nelem,p,ndofs,1,ceed_mem_host,&
111     & ceed_use_pointer,indx,erestrictu,err)
112      stridesu=[1,q,q]
113      call ceedelemrestrictioncreatestrided(ceed,nelem,q,nqpts,1,stridesu,&
114     & erestrictui,err)
115
116      call buildmats(qref,qweight,interp,grad)
117      call ceedbasiscreateh1(ceed,ceed_triangle,d,p,q,interp,grad,qref,qweight,&
118     & bx,err)
119      call buildmats(qref,qweight,interp,grad)
120      call ceedbasiscreateh1(ceed,ceed_triangle,1,p,q,interp,grad,qref,qweight,&
121     & bu,err)
122
123      call ceedqfunctioncreateinterior(ceed,1,setup,&
124     &SOURCE_DIR&
125     &//'t510-operator.h:setup'//char(0),qf_setup,err)
126      call ceedqfunctionaddinput(qf_setup,'_weight',1,ceed_eval_weight,err)
127      call ceedqfunctionaddinput(qf_setup,'x',d*d,ceed_eval_grad,err)
128      call ceedqfunctionaddoutput(qf_setup,'rho',1,ceed_eval_none,err)
129
130      call ceedqfunctioncreateinterior(ceed,1,mass,&
131     &SOURCE_DIR&
132     &//'t510-operator.h:mass'//char(0),qf_mass,err)
133      call ceedqfunctionaddinput(qf_mass,'rho',1,ceed_eval_none,err)
134      call ceedqfunctionaddinput(qf_mass,'u',1,ceed_eval_interp,err)
135      call ceedqfunctionaddoutput(qf_mass,'v',1,ceed_eval_interp,err)
136
137      call ceedoperatorcreate(ceed,qf_setup,ceed_qfunction_none,&
138     & ceed_qfunction_none,op_setup,err)
139      call ceedoperatorcreate(ceed,qf_mass,ceed_qfunction_none,&
140     & ceed_qfunction_none,op_mass,err)
141
142      call ceedvectorcreate(ceed,d*ndofs,x,err)
143      xoffset=0
144      call ceedvectorsetarray(x,ceed_mem_host,ceed_use_pointer,arrx,xoffset,err)
145      call ceedvectorcreate(ceed,nqpts,qdata,err)
146
147      call ceedoperatorsetfield(op_setup,'_weight',ceed_elemrestriction_none,&
148     & bx,ceed_vector_none,err)
149      call ceedoperatorsetfield(op_setup,'x',erestrictx,bx,&
150     & ceed_vector_active,err)
151      call ceedoperatorsetfield(op_setup,'rho',erestrictui,&
152     & ceed_basis_collocated,ceed_vector_active,err)
153      call ceedoperatorsetfield(op_mass,'rho',erestrictui,&
154     & ceed_basis_collocated,qdata,err)
155      call ceedoperatorsetfield(op_mass,'u',erestrictu,bu,&
156     & ceed_vector_active,err)
157      call ceedoperatorsetfield(op_mass,'v',erestrictu,bu,&
158     & ceed_vector_active,err)
159
160      call ceedoperatorapply(op_setup,x,qdata,ceed_request_immediate,err)
161
162      call ceedvectorcreate(ceed,ndofs,u,err)
163      call ceedvectorsetvalue(u,1.d0,err)
164      call ceedvectorcreate(ceed,ndofs,v,err)
165      call ceedoperatorapply(op_mass,u,v,ceed_request_immediate,err)
166
167      call ceedvectorgetarrayread(v,ceed_mem_host,hv,voffset,err)
168      total=0.
169      do i=1,ndofs
170        total=total+hv(voffset+i)
171      enddo
172      if (abs(total-1.)>1.0d-10) then
173! LCOV_EXCL_START
174        write(*,*) 'Computed Area: ',total,' != True Area: 1.0'
175! LCOV_EXCL_STOP
176      endif
177      call ceedvectorrestorearrayread(v,hv,voffset,err)
178
179      call ceedvectordestroy(qdata,err)
180      call ceedvectordestroy(x,err)
181      call ceedvectordestroy(u,err)
182      call ceedvectordestroy(v,err)
183      call ceedoperatordestroy(op_mass,err)
184      call ceedoperatordestroy(op_setup,err)
185      call ceedqfunctiondestroy(qf_mass,err)
186      call ceedqfunctiondestroy(qf_setup,err)
187      call ceedbasisdestroy(bu,err)
188      call ceedbasisdestroy(bx,err)
189      call ceedelemrestrictiondestroy(erestrictu,err)
190      call ceedelemrestrictiondestroy(erestrictx,err)
191      call ceedelemrestrictiondestroy(erestrictui,err)
192      call ceeddestroy(ceed,err)
193      end
194!-----------------------------------------------------------------------
195