xref: /libCEED/tests/t532-operator-f.f90 (revision 15910d16b955338d1102d4e730fc58bca8f202b9)
11d102b48SJeremy L Thompson!-----------------------------------------------------------------------
21d102b48SJeremy L Thompson      subroutine setup_mass(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,&
31d102b48SJeremy L Thompson&           u14,u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,&
41d102b48SJeremy L Thompson&           v16,ierr)
51d102b48SJeremy L Thompson      real*8 ctx
61d102b48SJeremy L Thompson      real*8 u1(1)
71d102b48SJeremy L Thompson      real*8 u2(1)
81d102b48SJeremy L Thompson      real*8 v1(1)
91d102b48SJeremy L Thompson      integer q,ierr
101d102b48SJeremy L Thompson
111d102b48SJeremy L Thompson      do i=1,q
121d102b48SJeremy L Thompson        v1(i)=u2(i)*(u1(i+q*0)*u1(i+q*3)-u1(i+q*1)*u1(i+q*2))
131d102b48SJeremy L Thompson      enddo
141d102b48SJeremy L Thompson
151d102b48SJeremy L Thompson      ierr=0
161d102b48SJeremy L Thompson      end
171d102b48SJeremy L Thompson!-----------------------------------------------------------------------
181d102b48SJeremy L Thompson      subroutine setup_diff(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,&
191d102b48SJeremy L Thompson&           u14,u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,&
201d102b48SJeremy L Thompson&           v16,ierr)
211d102b48SJeremy L Thompson      real*8 ctx
221d102b48SJeremy L Thompson      real*8 u1(1)
231d102b48SJeremy L Thompson      real*8 u2(1)
241d102b48SJeremy L Thompson      real*8 v1(1)
251d102b48SJeremy L Thompson      real*8 w
261d102b48SJeremy L Thompson      integer q,ierr
271d102b48SJeremy L Thompson
281d102b48SJeremy L Thompson      do i=1,q
291d102b48SJeremy L Thompson        w=u2(i)/(u1(i+q*0)*u1(i+q*3)-u1(i+q*1)*u1(i+q*2))
301d102b48SJeremy L Thompson        v1(i+q*0)=w*(u1(i+q*2)*u1(i+q*2)+u1(i+q*3)*u1(i+q*3))
311d102b48SJeremy L Thompson        v1(i+q*1)=w*(u1(i+q*0)*u1(i+q*0)+u1(i+q*1)*u1(i+q*1))
321d102b48SJeremy L Thompson        v1(i+q*2)=-w*(u1(i+q*0)*u1(i+q*2)+u1(i+q*2)*u1(i+q*3))
331d102b48SJeremy L Thompson      enddo
341d102b48SJeremy L Thompson
351d102b48SJeremy L Thompson      ierr=0
361d102b48SJeremy L Thompson      end
371d102b48SJeremy L Thompson!-----------------------------------------------------------------------
381d102b48SJeremy L Thompson      subroutine apply(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,&
391d102b48SJeremy L Thompson&           u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,v16,ierr)
401d102b48SJeremy L Thompson      real*8 ctx
411d102b48SJeremy L Thompson      real*8 u1(1)
421d102b48SJeremy L Thompson      real*8 u2(1)
431d102b48SJeremy L Thompson      real*8 u3(1)
441d102b48SJeremy L Thompson      real*8 u4(1)
451d102b48SJeremy L Thompson      real*8 v1(1)
461d102b48SJeremy L Thompson      real*8 v2(1)
471d102b48SJeremy L Thompson      real*8 du0,du1
481d102b48SJeremy L Thompson      integer q,ierr
491d102b48SJeremy L Thompson
501d102b48SJeremy L Thompson      do i=1,q
511d102b48SJeremy L Thompson!       mass
521d102b48SJeremy L Thompson        v1(i) = u2(i)*u4(i)
531d102b48SJeremy L Thompson!       diff
541d102b48SJeremy L Thompson        du0=u1(i+q*0)
551d102b48SJeremy L Thompson        du1=u1(i+q*1)
561d102b48SJeremy L Thompson        v2(i+q*0)=u3(i+q*0)*du0+u3(i+q*2)*du1
571d102b48SJeremy L Thompson        v2(i+q*1)=u3(i+q*2)*du0+u3(i+q*1)*du1
581d102b48SJeremy L Thompson      enddo
591d102b48SJeremy L Thompson
601d102b48SJeremy L Thompson      ierr=0
611d102b48SJeremy L Thompson      end
621d102b48SJeremy L Thompson!-----------------------------------------------------------------------
631d102b48SJeremy L Thompson      subroutine apply_lin(ctx,q,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,&
641d102b48SJeremy L Thompson&           u14,u15,u16,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,&
651d102b48SJeremy L Thompson&           v16,ierr)
661d102b48SJeremy L Thompson      real*8 ctx
671d102b48SJeremy L Thompson      real*8 u1(1)
681d102b48SJeremy L Thompson      real*8 u2(1)
691d102b48SJeremy L Thompson      real*8 u3(1)
701d102b48SJeremy L Thompson      real*8 v1(1)
711d102b48SJeremy L Thompson      real*8 v2(1)
721d102b48SJeremy L Thompson      real*8 du0,du1
731d102b48SJeremy L Thompson      integer q,ierr
741d102b48SJeremy L Thompson
751d102b48SJeremy L Thompson      do i=1,q
761d102b48SJeremy L Thompson        du0=u1(i+q*0)
771d102b48SJeremy L Thompson        du1=u1(i+q*1)
781d102b48SJeremy L Thompson        v1(i+q*0)=u2(i+q*0)*du0+u2(i+q*3)*du1+u2(i+q*6)*u3(i)
791d102b48SJeremy L Thompson        v2(i+q*0)=u2(i+q*1)*du0+u2(i+q*4)*du1+u2(i+q*7)*u3(i)
801d102b48SJeremy L Thompson        v2(i+q*1)=u2(i+q*2)*du0+u2(i+q*5)*du1+u2(i+q*8)*u3(i)
811d102b48SJeremy L Thompson      enddo
821d102b48SJeremy L Thompson
831d102b48SJeremy L Thompson      ierr=0
841d102b48SJeremy L Thompson      end
851d102b48SJeremy L Thompson!-----------------------------------------------------------------------
861d102b48SJeremy L Thompson      program test
871d102b48SJeremy L Thompson
881d102b48SJeremy L Thompson      include 'ceedf.h'
891d102b48SJeremy L Thompson
901d102b48SJeremy L Thompson      integer ceed,err,i,j,k
9161dbc9d2Sjeremylt      integer imode
9261dbc9d2Sjeremylt      parameter(imode=ceed_noninterlaced)
93*15910d16Sjeremylt      integer stridesu(3),stridesqd(3)
94*15910d16Sjeremylt      integer erestrictx,erestrictu,erestrictui
951d102b48SJeremy L Thompson      integer erestrictqi,erestrictlini
961d102b48SJeremy L Thompson      integer bx,bu
971d102b48SJeremy L Thompson      integer qf_setup_mass,qf_setup_diff,qf_apply,qf_apply_lin
981d102b48SJeremy L Thompson      integer op_setup_mass,op_setup_diff,op_apply,op_apply_lin
991d102b48SJeremy L Thompson      integer qdata_mass,qdata_diff,x,a,u,v
1001d102b48SJeremy L Thompson      integer nelem,p,q,d
1011d102b48SJeremy L Thompson      integer row,col,offset
1021d102b48SJeremy L Thompson      parameter(nelem=6)
1031d102b48SJeremy L Thompson      parameter(p=3)
1041d102b48SJeremy L Thompson      parameter(q=4)
1051d102b48SJeremy L Thompson      parameter(d=2)
1061d102b48SJeremy L Thompson      integer ndofs,nqpts,nx,ny
1071d102b48SJeremy L Thompson      parameter(nx=3)
1081d102b48SJeremy L Thompson      parameter(ny=2)
1091d102b48SJeremy L Thompson      parameter(ndofs=(nx*2+1)*(ny*2+1))
1101d102b48SJeremy L Thompson      parameter(nqpts=nelem*q*q)
1111d102b48SJeremy L Thompson      integer indx(nelem*p*p)
1121d102b48SJeremy L Thompson      real*8 arrx(d*ndofs),vv(ndofs)
1131d102b48SJeremy L Thompson      real*8 total
1141d102b48SJeremy L Thompson      integer*8 xoffset,voffset
1151d102b48SJeremy L Thompson
1161d102b48SJeremy L Thompson      character arg*32
1171d102b48SJeremy L Thompson
1181d102b48SJeremy L Thompson      external setup_mass,setup_diff,apply,apply_lin
1191d102b48SJeremy L Thompson
1201d102b48SJeremy L Thompson      call getarg(1,arg)
1211d102b48SJeremy L Thompson
1221d102b48SJeremy L Thompson      call ceedinit(trim(arg)//char(0),ceed,err)
1231d102b48SJeremy L Thompson
1241d102b48SJeremy L Thompson! DoF Coordinates
1251d102b48SJeremy L Thompson      do i=0,nx*2
1261d102b48SJeremy L Thompson        do j=0,ny*2
1271d102b48SJeremy L Thompson          arrx(i+j*(nx*2+1)+0*ndofs+1)=1.d0*i/(2*nx)
1281d102b48SJeremy L Thompson          arrx(i+j*(nx*2+1)+1*ndofs+1)=1.d0*j/(2*ny)
1291d102b48SJeremy L Thompson        enddo
1301d102b48SJeremy L Thompson      enddo
1311d102b48SJeremy L Thompson      call ceedvectorcreate(ceed,d*ndofs,x,err)
1321d102b48SJeremy L Thompson      xoffset=0
1331d102b48SJeremy L Thompson      call ceedvectorsetarray(x,ceed_mem_host,ceed_use_pointer,arrx,xoffset,err)
1341d102b48SJeremy L Thompson
1351d102b48SJeremy L Thompson! Qdata Vector
1361d102b48SJeremy L Thompson      call ceedvectorcreate(ceed,nqpts,qdata_mass,err)
1371d102b48SJeremy L Thompson      call ceedvectorcreate(ceed,nqpts*d*(d+1)/2,qdata_diff,err)
1381d102b48SJeremy L Thompson
1391d102b48SJeremy L Thompson! Element Setup
1401d102b48SJeremy L Thompson      do i=0,nelem-1
1411d102b48SJeremy L Thompson        col=mod(i,nx)
1421d102b48SJeremy L Thompson        row=i/nx
1431d102b48SJeremy L Thompson        offset=col*(p-1)+row*(nx*2+1)*(p-1)
1441d102b48SJeremy L Thompson        do j=0,p-1
1451d102b48SJeremy L Thompson          do k=0,p-1
1461d102b48SJeremy L Thompson            indx(p*(p*i+k)+j+1)=offset+k*(nx*2+1)+j
1471d102b48SJeremy L Thompson          enddo
1481d102b48SJeremy L Thompson        enddo
1491d102b48SJeremy L Thompson      enddo
1501d102b48SJeremy L Thompson
1511d102b48SJeremy L Thompson! Restrictions
15261dbc9d2Sjeremylt      call ceedelemrestrictioncreate(ceed,imode,nelem,p*p,ndofs,d,&
1531d102b48SJeremy L Thompson     & ceed_mem_host,ceed_use_pointer,indx,erestrictx,err)
1541d102b48SJeremy L Thompson
15561dbc9d2Sjeremylt      call ceedelemrestrictioncreate(ceed,imode,nelem,p*p,ndofs,1,&
1561d102b48SJeremy L Thompson     & ceed_mem_host,ceed_use_pointer,indx,erestrictu,err)
1577509a596Sjeremylt      stridesu=[1,q*q,q*q]
1587509a596Sjeremylt      call ceedelemrestrictioncreatestrided(ceed,nelem,q*q,nqpts,&
1597509a596Sjeremylt     & 1,stridesu,erestrictui,err)
1601d102b48SJeremy L Thompson
1617509a596Sjeremylt      stridesqd=[1,q*q,q*q*d*(d+1)/2]
1627509a596Sjeremylt      call ceedelemrestrictioncreatestrided(ceed,nelem,q*q,nqpts,&
1637509a596Sjeremylt     & d*(d+1)/2,stridesqd,erestrictqi,err)
1641d102b48SJeremy L Thompson
1651d102b48SJeremy L Thompson! Bases
1661d102b48SJeremy L Thompson      call ceedbasiscreatetensorh1lagrange(ceed,d,d,p,q,ceed_gauss,bx,err)
1671d102b48SJeremy L Thompson      call ceedbasiscreatetensorh1lagrange(ceed,d,1,p,q,ceed_gauss,bu,err)
1681d102b48SJeremy L Thompson
1691d102b48SJeremy L Thompson! QFunction - setup mass
1701d102b48SJeremy L Thompson      call ceedqfunctioncreateinterior(ceed,1,setup_mass,&
1711d102b48SJeremy L Thompson     &SOURCE_DIR&
1721d102b48SJeremy L Thompson     &//'t532-operator.h:setup_mass'//char(0),qf_setup_mass,err)
1731d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_setup_mass,'dx',d*d,ceed_eval_grad,err)
1741d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_setup_mass,'_weight',1,ceed_eval_weight,err)
1751d102b48SJeremy L Thompson      call ceedqfunctionaddoutput(qf_setup_mass,'qdata',1,ceed_eval_none,err)
1761d102b48SJeremy L Thompson
1771d102b48SJeremy L Thompson! Operator - setup mass
178442e7f0bSjeremylt      call ceedoperatorcreate(ceed,qf_setup_mass,ceed_qfunction_none,&
179442e7f0bSjeremylt     & ceed_qfunction_none,op_setup_mass,err)
1801d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_setup_mass,'dx',erestrictx,&
181a8d32208Sjeremylt     & bx,ceed_vector_active,err)
182*15910d16Sjeremylt      call ceedoperatorsetfield(op_setup_mass,'_weight',&
183*15910d16Sjeremylt     & ceed_elemrestriction_none,bx,ceed_vector_none,err)
1841d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_setup_mass,'qdata',erestrictui,&
185a8d32208Sjeremylt     & ceed_basis_collocated,ceed_vector_active,err)
1861d102b48SJeremy L Thompson
1871d102b48SJeremy L Thompson! QFunction - setup diff
1881d102b48SJeremy L Thompson      call ceedqfunctioncreateinterior(ceed,1,setup_diff,&
1891d102b48SJeremy L Thompson     &SOURCE_DIR&
1901d102b48SJeremy L Thompson     &//'t532-operator.h:setup_diff'//char(0),qf_setup_diff,err)
1911d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_setup_diff,'dx',d*d,ceed_eval_grad,err)
1921d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_setup_diff,'_weight',1,ceed_eval_weight,err)
1931d102b48SJeremy L Thompson      call ceedqfunctionaddoutput(qf_setup_diff,'qdata',&
1941d102b48SJeremy L Thompson     & d*(d+1)/2,ceed_eval_none,err)
1951d102b48SJeremy L Thompson
1961d102b48SJeremy L Thompson! Operator - setup diff
197442e7f0bSjeremylt      call ceedoperatorcreate(ceed,qf_setup_diff,ceed_qfunction_none,&
198442e7f0bSjeremylt     & ceed_qfunction_none,op_setup_diff,err)
1991d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_setup_diff,'dx',erestrictx,&
200a8d32208Sjeremylt     & bx,ceed_vector_active,err)
201*15910d16Sjeremylt      call ceedoperatorsetfield(op_setup_diff,'_weight',&
202*15910d16Sjeremylt     & ceed_elemrestriction_none,bx,ceed_vector_none,err)
2031d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_setup_diff,'qdata',erestrictqi,&
204a8d32208Sjeremylt     & ceed_basis_collocated,ceed_vector_active,err)
2051d102b48SJeremy L Thompson
2061d102b48SJeremy L Thompson! Apply Setup Operators
2071d102b48SJeremy L Thompson      call ceedoperatorapply(op_setup_mass,x,qdata_mass,&
2081d102b48SJeremy L Thompson     & ceed_request_immediate,err)
2091d102b48SJeremy L Thompson      call ceedoperatorapply(op_setup_diff,x,qdata_diff,&
2101d102b48SJeremy L Thompson     & ceed_request_immediate,err)
2111d102b48SJeremy L Thompson
2121d102b48SJeremy L Thompson! QFunction - apply
2131d102b48SJeremy L Thompson      call ceedqfunctioncreateinterior(ceed,1,apply,&
2141d102b48SJeremy L Thompson     &SOURCE_DIR&
2151d102b48SJeremy L Thompson     &//'t532-operator.h:apply'//char(0),qf_apply,err)
2161d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_apply,'du',d,ceed_eval_grad,err)
2171d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_apply,'qdata_mass',1,ceed_eval_none,err)
2181d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_apply,'qdata_diff',&
2191d102b48SJeremy L Thompson     & d*(d+1)/2,ceed_eval_none,err)
2201d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_apply,'u',1,ceed_eval_interp,err)
2211d102b48SJeremy L Thompson      call ceedqfunctionaddoutput(qf_apply,'v',1,ceed_eval_interp,err)
2221d102b48SJeremy L Thompson      call ceedqfunctionaddoutput(qf_apply,'dv',d,ceed_eval_grad,err)
2231d102b48SJeremy L Thompson
2241d102b48SJeremy L Thompson! Operator - apply
225442e7f0bSjeremylt      call ceedoperatorcreate(ceed,qf_apply,ceed_qfunction_none,&
226442e7f0bSjeremylt     & ceed_qfunction_none,op_apply,err)
2271d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply,'du',erestrictu,&
228a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2291d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply,'qdata_mass',erestrictui,&
230a8d32208Sjeremylt     & ceed_basis_collocated,qdata_mass,err)
2311d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply,'qdata_diff',erestrictqi,&
232a8d32208Sjeremylt     & ceed_basis_collocated,qdata_diff,err)
2331d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply,'u',erestrictu,&
234a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2351d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply,'v',erestrictu,&
236a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2371d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply,'dv',erestrictu,&
238a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2391d102b48SJeremy L Thompson
2401d102b48SJeremy L Thompson! Apply Original Operator
2411d102b48SJeremy L Thompson      call ceedvectorcreate(ceed,ndofs,u,err)
2421d102b48SJeremy L Thompson      call ceedvectorsetvalue(u,1.d0,err)
2431d102b48SJeremy L Thompson      call ceedvectorcreate(ceed,ndofs,v,err)
2441d102b48SJeremy L Thompson      call ceedvectorsetvalue(v,0.d0,err)
2451d102b48SJeremy L Thompson      call ceedoperatorapply(op_apply,u,v,ceed_request_immediate,err)
2461d102b48SJeremy L Thompson
2471d102b48SJeremy L Thompson! Check Output
2481d102b48SJeremy L Thompson      call ceedvectorgetarrayread(v,ceed_mem_host,vv,voffset,err)
2491d102b48SJeremy L Thompson      total=0.
2501d102b48SJeremy L Thompson      do i=1,ndofs
2511d102b48SJeremy L Thompson        total=total+vv(voffset+i)
2521d102b48SJeremy L Thompson      enddo
2531d102b48SJeremy L Thompson      if (abs(total-1.)>1.0d-10) then
2541d102b48SJeremy L Thompson! LCOV_EXCL_START
2551d102b48SJeremy L Thompson        write(*,*) 'Error: True operator computed area = ',total,' != 1.0'
2561d102b48SJeremy L Thompson! LCOV_EXCL_STOP
2571d102b48SJeremy L Thompson      endif
2581d102b48SJeremy L Thompson      call ceedvectorrestorearrayread(v,vv,voffset,err)
2591d102b48SJeremy L Thompson
2601d102b48SJeremy L Thompson! Assemble QFunction
2611d102b48SJeremy L Thompson      call ceedoperatorassemblelinearqfunction(op_apply,a,erestrictlini,&
2621d102b48SJeremy L Thompson     & ceed_request_immediate,err)
2631d102b48SJeremy L Thompson
2641d102b48SJeremy L Thompson! QFunction - apply linearized
2651d102b48SJeremy L Thompson      call ceedqfunctioncreateinterior(ceed,1,apply_lin,&
2661d102b48SJeremy L Thompson     &SOURCE_DIR&
2671d102b48SJeremy L Thompson     &//'t532-operator.h:apply_lin'//char(0),qf_apply_lin,err)
2681d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_apply_lin,'du',d,ceed_eval_grad,err)
2691d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_apply_lin,'qdata',(d+1)*(d+1),&
2701d102b48SJeremy L Thompson     & ceed_eval_none,err)
2711d102b48SJeremy L Thompson      call ceedqfunctionaddinput(qf_apply_lin,'u',1,ceed_eval_interp,err)
2721d102b48SJeremy L Thompson      call ceedqfunctionaddoutput(qf_apply_lin,'v',1,ceed_eval_interp,err)
2731d102b48SJeremy L Thompson      call ceedqfunctionaddoutput(qf_apply_lin,'dv',d,ceed_eval_grad,err)
2741d102b48SJeremy L Thompson
2751d102b48SJeremy L Thompson! Operator - apply linearized
276442e7f0bSjeremylt      call ceedoperatorcreate(ceed,qf_apply_lin,ceed_qfunction_none,&
277442e7f0bSjeremylt     & ceed_qfunction_none,op_apply_lin,err)
2781d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply_lin,'du',erestrictu,&
279a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2801d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply_lin,'qdata',erestrictlini,&
281a8d32208Sjeremylt     & ceed_basis_collocated,a,err)
2821d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply_lin,'u',erestrictu,&
283a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2841d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply_lin,'v',erestrictu,&
285a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2861d102b48SJeremy L Thompson      call ceedoperatorsetfield(op_apply_lin,'dv',erestrictu,&
287a8d32208Sjeremylt     & bu,ceed_vector_active,err)
2881d102b48SJeremy L Thompson
2891d102b48SJeremy L Thompson! Apply Linearized QFunction Operator
2901d102b48SJeremy L Thompson      call ceedvectorsetvalue(v,0.d0,err)
2911d102b48SJeremy L Thompson      call ceedoperatorapply(op_apply_lin,u,v,ceed_request_immediate,err)
2921d102b48SJeremy L Thompson
2931d102b48SJeremy L Thompson! Check Output
2941d102b48SJeremy L Thompson      call ceedvectorgetarrayread(v,ceed_mem_host,vv,voffset,err)
2951d102b48SJeremy L Thompson      total=0.
2961d102b48SJeremy L Thompson      do i=1,ndofs
2971d102b48SJeremy L Thompson        total=total+vv(voffset+i)
2981d102b48SJeremy L Thompson      enddo
2991d102b48SJeremy L Thompson      if (abs(total-1.)>1.0d-10) then
3001d102b48SJeremy L Thompson! LCOV_EXCL_START
3011d102b48SJeremy L Thompson        write(*,*) 'Error: Assembled operator computed area = ',total,' != 1.0'
3021d102b48SJeremy L Thompson! LCOV_EXCL_STOP
3031d102b48SJeremy L Thompson      endif
3041d102b48SJeremy L Thompson      call ceedvectorrestorearrayread(v,vv,voffset,err)
3051d102b48SJeremy L Thompson
3061d102b48SJeremy L Thompson! Cleanup
3071d102b48SJeremy L Thompson      call ceedqfunctiondestroy(qf_setup_mass,err)
3081d102b48SJeremy L Thompson      call ceedqfunctiondestroy(qf_setup_diff,err)
3091d102b48SJeremy L Thompson      call ceedqfunctiondestroy(qf_apply,err)
3101d102b48SJeremy L Thompson      call ceedqfunctiondestroy(qf_apply_lin,err)
3111d102b48SJeremy L Thompson      call ceedoperatordestroy(op_setup_mass,err)
3121d102b48SJeremy L Thompson      call ceedoperatordestroy(op_setup_diff,err)
3131d102b48SJeremy L Thompson      call ceedoperatordestroy(op_apply,err)
3141d102b48SJeremy L Thompson      call ceedoperatordestroy(op_apply_lin,err)
3151d102b48SJeremy L Thompson      call ceedelemrestrictiondestroy(erestrictu,err)
3161d102b48SJeremy L Thompson      call ceedelemrestrictiondestroy(erestrictx,err)
3171d102b48SJeremy L Thompson      call ceedelemrestrictiondestroy(erestrictui,err)
3181d102b48SJeremy L Thompson      call ceedelemrestrictiondestroy(erestrictqi,err)
3191d102b48SJeremy L Thompson      call ceedelemrestrictiondestroy(erestrictlini,err)
3201d102b48SJeremy L Thompson      call ceedbasisdestroy(bu,err)
3211d102b48SJeremy L Thompson      call ceedbasisdestroy(bx,err)
3221d102b48SJeremy L Thompson      call ceedvectordestroy(x,err)
3231d102b48SJeremy L Thompson      call ceedvectordestroy(a,err)
3241d102b48SJeremy L Thompson      call ceedvectordestroy(u,err)
3251d102b48SJeremy L Thompson      call ceedvectordestroy(v,err)
3261d102b48SJeremy L Thompson      call ceedvectordestroy(qdata_mass,err)
3271d102b48SJeremy L Thompson      call ceedvectordestroy(qdata_diff,err)
3281d102b48SJeremy L Thompson      call ceeddestroy(ceed,err)
3291d102b48SJeremy L Thompson      end
3301d102b48SJeremy L Thompson!-----------------------------------------------------------------------
331