C C Parallel Sparse BLAS v2.0 C (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata C Alfredo Buttari University of Rome Tor Vergata C C Redistribution and use in source and binary forms, with or without C modification, are permitted provided that the following conditions C are met: C 1. Redistributions of source code must retain the above copyright C notice, this list of conditions and the following disclaimer. C 2. Redistributions in binary form must reproduce the above copyright C notice, this list of conditions, and the following disclaimer in the C documentation and/or other materials provided with the distribution. C 3. The name of the PSBLAS group or the names of its contributors may C not be used to endorse or promote products derived from this C software without specific written permission. C C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS C ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED C TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR C PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS C BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR C CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF C SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS C INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN C CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) C ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE C POSSIBILITY OF SUCH DAMAGE. C C c covert matrix from COO format to COO format c subroutine zcoco(trans,m,n,unitd,d,descra,ar,ia1,ia2,info, * p1,descrn,arn,ia1n,ia2n,infon,p2,larn,lia1n, * lia2n,aux,laux,ierror) use psb_const_mod implicit none c .. scalar arguments .. integer larn, laux, lia1n, lia2n, + m, n, ierror character trans,unitd c .. array arguments .. complex(kind(1.d0)) :: ar(*), arn(*), d(*) integer aux(0:laux-1) integer ia1(*), ia2(*), info(*), ia1n(*), ia2n(*), * infon(*), p1(*), p2(*) character descra*11, descrn*11 c .. local scalars .. integer ipx, ip1, ip2, check_flag, err_act integer nnz, k, i, j, nzl, iret integer elem_in, elem_out logical scale integer max_nnzero logical debug parameter (debug=.false.) c .. local arrays .. character*20 name integer int_val(5) c c ...common variables... c this flag describe the action to do c .. external subroutines .. external max_nnzero c .. executable statements .. c name = 'zcoco' ierror = 0 call fcpsb_erractionsave(err_act) call psb_getifield(check_flag,psb_dupl_,infon,psb_ifasize_,ierror) if (trans.eq.'N') then scale = (unitd.eq.'L') ! meaningless p1(1) = 0 p2(1) = 0 call psb_getifield(nnz,psb_nnz_,info,psb_ifasize_,ierror) if (debug) then write(*,*) 'on entry to dcoco: nnz laux ', + nnz,laux,larn,lia1n,lia2n endif if (laux.lt.nnz+2) then ierror = 60 int_val(1) = 22 int_val(2) = nnz+2 int_val(3) = laux else if (larn.lt.nnz) then ierror = 60 int_val(1) = 18 int_val(2) = nnz+2 int_val(3) = laux else if (lia1n.lt.nnz) then ierror = 60 int_val(1) = 19 int_val(2) = nnz+2 int_val(3) = laux else if (lia2n.lt.m+1) then ierror = 60 int_val(1) = 20 int_val(2) = nnz+2 int_val(3) = laux endif c c error handling c if(ierror.ne.0) then call fcpsb_errpush(ierror,name,int_val) goto 9999 end if if (descra(1:1).eq.'G') then c c sort COO data structure c if (debug) write(*,*)'first sort',nnz do k=1, nnz arn(k) = ar(k) ia1n(k) = ia1(k) ia2n(k) = ia2(k) enddo if (debug) write(*,*)'second sort' if ((lia2n.ge.(2*nnz+psb_ireg_flgs_+1)) + .and.(laux.ge.2*(2+nnz))) then c c prepare for smart regeneration c ipx = nnz+3 do i=1, nnz aux(ipx+i-1) = i enddo ip1 = nnz+2 infon(psb_upd_pnt_) = ip1 ip2 = ip1+psb_ireg_flgs_ ia2n(ip1+psb_ip2_) = ip2 ia2n(ip1+psb_iflag_) = check_flag ia2n(ip1+psb_nnzt_) = nnz ia2n(ip1+psb_nnz_) = 0 ia2n(ip1+psb_ichk_) = nnz+check_flag if (debug) write(0,*) 'build check :',ia2n(ip1+psb_nnzt_) c .... order with key ia1n ... call mrgsrt(nnz,ia1n,aux,iret) if (iret.eq.0) + call zreordvn3(nnz,arn,ia1n,ia2n,aux(ipx),aux) c .... order with key ia2n ... i = 1 j = i do while (i.le.nnz) do while ((ia1n(j).eq.ia1n(i)).and. + (j.le.nnz)) j = j+1 enddo nzl = j - i call mrgsrt(nzl,ia2n(i),aux,iret) if (iret.eq.0) call zreordvn3(nzl,arn(i),ia1n(i),ia2n(i), + aux(ipx+i-1),aux) i = j enddo ia2n(ip2+aux(ipx+1-1)-1) = 1 c ... construct final COO representation... elem_out = 1 c ... insert remaining element ... do elem_in = 2, nnz if ((ia1n(elem_in).eq.ia1n(elem_out)).and. + (ia2n(elem_in).eq.ia2n(elem_out))) then if (check_flag.eq.psb_dupl_err_) then c ... error, there are duplicated elements ... ierror = 130 call fcpsb_errpush(ierror,name,int_val) goto 9999 else if (check_flag.eq.psb_dupl_ovwrt_) then c ... insert only the first duplicated element ... ia2n(ip2+aux(ipx+elem_in-1)-1) = elem_out else if (check_flag.eq.psb_dupl_add_) then c ... sum the duplicated element ... arn(elem_out) = arn(elem_out) + arn(elem_in) ia2n(ip2+aux(ipx+elem_in-1)-1) = elem_out end if else elem_out = elem_out + 1 arn(elem_out) = arn(elem_in) ia2n(ip2+aux(ipx+elem_in-1)-1) = elem_out ia1n(elem_out) = ia1n(elem_in) ia2n(elem_out) = ia2n(elem_in) endif enddo else c .... order with key ia1n ... call mrgsrt(nnz,ia1n,aux,iret) if (iret.eq.0) call zreordvn(nnz,arn,ia1n,ia2n,aux) c .... order with key ia2n ... i = 1 j = i do while (i.le.nnz) do while ((ia1n(j).eq.ia1n(i)).and. + (j.le.nnz)) j = j+1 enddo nzl = j - i call mrgsrt(nzl,ia2n(i),aux,iret) if (iret.eq.0) call zreordvn(nzl,arn(i),ia1n(i),ia2n(i), + aux) i = j enddo c ... construct final COO representation... elem_out = 1 c ... insert remaining element ... do elem_in = 2, nnz if ((ia1n(elem_in).eq.ia1n(elem_out)).and. + (ia2n(elem_in).eq.ia2n(elem_out))) then if (check_flag.eq.psb_dupl_err_) then c ... error, there are duplicated elements ... ierror = 130 call fcpsb_errpush(ierror,name,int_val) goto 9999 else if (check_flag.eq.psb_dupl_ovwrt_) then c ... insert only the first duplicated element ... else if (check_flag.eq.psb_dupl_add_) then c ... sum the duplicated element ... arn(elem_out) = arn(elem_out) + arn(elem_in) end if else elem_out = elem_out + 1 arn(elem_out) = arn(elem_in) ia1n(elem_out) = ia1n(elem_in) ia2n(elem_out) = ia2n(elem_in) endif enddo endif infon(psb_nnz_) = elem_out infon(psb_srtd_) = psb_isrtdcoo_ if (debug) write(*,*)'done rebuild COO',infon(1) else if (descra(1:1).eq.'S' .and. descra(2:2).eq.'U') then do 20 k = 1, m p2(k) = k 20 continue else if (descra(1:1).eq.'T' .and. descra(2:2).eq.'U') then ierror = 3021 call fcpsb_errpush(ierror,name,int_val) goto 9999 else if (descra(1:1).eq.'T' .and. descra(2:2).eq.'L') then ierror = 3021 call fcpsb_errpush(ierror,name,int_val) goto 9999 end if c else if (trans.ne.'N') then c c to do c ierror = 3021 call fcpsb_errpush(ierror,name,int_val) goto 9999 end if call fcpsb_erractionrestore(err_act) return 9999 continue call fcpsb_erractionrestore(err_act) if ( err_act .ne. 0 ) then call fcpsb_serror() return endif return end