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516 lines
15 KiB
Fortran
516 lines
15 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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! File: psb_dcsdp.f90
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!
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! Subroutine: psb_dcsdp
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! This subroutine performs the assembly of
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! the local part of a sparse distributed matrix
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!
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! Parameters:
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! a - type(<psb_spmat_type>). The input matrix to be assembled.
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! b - type(<psb_spmat_type>). The assembled output matrix.
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! info - integer. Eventually returns an error code.
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! ifc - integer(optional). ???
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! check - character(optional). ???
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! trans - character(optional). ???
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! unitd - character(optional). ???
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!
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subroutine psb_dcsdp(a, b,info,ifc,check,trans,unitd,upd,dupl)
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use psb_const_mod
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use psb_error_mod
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use psb_spmat_type
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use psb_string_mod
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use psb_serial_mod, psb_protect_name => psb_dcsdp
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implicit none
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!....Parameters...
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Type(psb_dspmat_type), intent(in) :: A
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Type(psb_dspmat_type), intent(inout) :: B
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Integer, intent(out) :: info
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Integer, intent(in), optional :: ifc,upd,dupl
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character, intent(in), optional :: check,trans,unitd
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!...Locals...
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real(kind(1.d0)) :: d(1)
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real(kind(1.d0)), allocatable :: work(:)
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type(psb_dspmat_type) :: temp_a
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Integer :: nzr, ntry, ifc_, ia1_size,&
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& ia2_size, aspk_size,size_req,n_row,n_col,upd_,dupl_
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integer :: ip1, ip2, nnz, iflag, ichk, nnzt,&
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& ipc, i, count, err_act, i1, i2, ia
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character :: check_,trans_,unitd_
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Integer, Parameter :: maxtry=8
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logical, parameter :: debug=.false.
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character(len=20) :: name, ch_err
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name='psb_csdp'
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info = 0
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call psb_erractionsave(err_act)
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ntry=0
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if (present(ifc)) then
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ifc_ = max(1,ifc)
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else
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ifc_ = 1
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endif
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if (present(check)) then
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check_ = toupper(check)
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else
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check_ = 'N'
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endif
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if (present(trans)) then
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trans_ = toupper(trans)
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else
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trans_ = 'N'
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endif
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if (present(unitd)) then
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unitd_ = toupper(unitd)
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else
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unitd_ = 'U'
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endif
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if (check_=='R') then
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allocate(work(max(size(a%aspk),size(b%aspk))+1000),stat=info)
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else
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allocate(work(max(size(a%ia1),size(a%ia2))+max(a%m,b%m)+1000),stat=info)
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endif
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if (info /= 0) then
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info=2040
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call psb_errpush(info,name)
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goto 9999
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end if
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if (ifc_<1) then
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write(0,*) 'csdp90 Error: invalid ifc ',ifc_
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info = -4
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call psb_errpush(info,name)
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goto 9999
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endif
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if((check_=='Y').or.(check_=='C')) then
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if(toupper(a%fida(1:3))=='CSR') then
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call dcsrck(trans,a%m,a%k,a%descra,a%aspk,a%ia1,a%ia2,work,size(work),info)
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if(info /= 0) then
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info=4010
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ch_err='dcsrck'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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else
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write(0,'("Check not yet suported for the ",a3," storage format")')a%fida(1:3)
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end if
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end if
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if (check_/='R') then
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if (present(upd)) then
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call psb_sp_setifld(upd,psb_upd_,b,info)
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end if
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if (present(dupl)) then
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call psb_sp_setifld(dupl,psb_dupl_,b,info)
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end if
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upd_ = psb_sp_getifld(psb_upd_,b,info)
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select case(upd_)
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case(psb_upd_dflt_,psb_upd_srch_,psb_upd_perm_)
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! Legal value, do nothing
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case default
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! Fix bad value
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upd_ = psb_upd_dflt_
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call psb_sp_setifld(upd_,psb_upd_,b,info)
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end select
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dupl_ = psb_sp_getifld(psb_dupl_,b,info)
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select case(dupl_)
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case(psb_dupl_ovwrt_,psb_dupl_add_,psb_dupl_err_)
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! Legal value, do nothing
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case default
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! Fix bad value
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dupl_ = psb_dupl_def_
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call psb_sp_setifld(dupl_,psb_dupl_,b,info)
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end select
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! ...matrix conversion...
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b%m=a%m
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b%k=a%k
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size_req = psb_sp_get_nnzeros(a)
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if (debug) write(0,*) 'DCSDP : size_req 1:',size_req
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!
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n_row=b%m
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n_col=b%k
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call psb_cest(b%fida, n_row,n_col,size_req,&
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& ia1_size, ia2_size, aspk_size, upd_,info)
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if (info /= psb_no_err_) then
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info=4010
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ch_err='psb_cest'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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endif
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if (.not.allocated(b%aspk).or.&
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&.not.allocated(b%ia1).or.&
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&.not.allocated(b%ia2).or.&
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&.not.allocated(b%pl).or.&
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&.not.allocated(b%pr)) then
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call psb_sp_reall(b,ia1_size,ia2_size,aspk_size,info)
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else if ((size(b%aspk) < aspk_size) .or.&
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&(size(b%ia1) < ia1_size) .or.&
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&(size(b%ia2) < ia2_size) .or.&
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&(size(b%pl) < b%m) .or.&
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&(size(b%pr) < b%k )) then
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call psb_sp_reall(b,ia1_size,ia2_size,aspk_size,info)
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endif
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if (info /= psb_no_err_) then
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info=4010
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ch_err='psb_sp_reall'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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endif
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b%pl(:) = 0
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b%pr(:) = 0
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b%descra = a%descra
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select case (toupper(a%fida(1:3)))
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case ('CSR')
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select case (toupper(b%fida(1:3)))
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case ('CSR')
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call dcrcr(trans_, a%m, a%k, unitd_, d, a%descra, a%aspk,&
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& a%ia1, a%ia2, a%infoa, b%pl, b%descra, b%aspk, b%ia1,&
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& b%ia2, b%infoa, b%pr, size(b%aspk), size(b%ia1),&
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& size(b%ia2), work, size(work), info)
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if (info/=0) then
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info=4010
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ch_err='dcrcr'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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case ('JAD')
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!...converting to JAD
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!...output matrix may not be big enough
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do
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call dcrjd(trans_, a%m, a%k, unitd_, d, a%descra, a%aspk,&
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& a%ia1, a%ia2, a%infoa, b%pl, b%descra, b%aspk, b%ia1,&
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& b%ia2, b%infoa, b%pr, size(b%aspk), size(b%ia1),&
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& size(b%ia2), work, size(work), nzr, info)
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if (info /= 0) then
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call psb_errpush(4010,name,a_err='dcrjd')
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goto 9999
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endif
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ntry = ntry + 1
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if (debug) then
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write(0,*) 'On out from dcrjad ',nzr,info
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end if
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if (nzr == 0) exit
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if (ntry > maxtry ) then
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write(0,*) 'Tried reallocating for DCRJAD for ',maxtry,': giving up now.'
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info=2040
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call psb_errpush(info,name)
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goto 9999
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endif
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call psb_sp_reall(b,nzr,info,ifc=ifc_)
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if (info /= 0) then
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info=2040
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call psb_errpush(info,name)
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goto 9999
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endif
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end do
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if (info/=0) then
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call psb_errpush(info,name)
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goto 9999
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end if
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case ('COO')
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if (debug) write(0,*) 'Calling CRCO ',a%descra
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call dcrco(trans_, a%m, a%k, unitd_, d, a%descra, a%aspk,&
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& a%ia1, a%ia2, a%infoa, b%pl, b%descra, b%aspk, b%ia1,&
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& b%ia2, b%infoa, b%pr, size(b%aspk), size(b%ia1),&
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& size(b%ia2), work, size(work), info)
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if (info/=0) then
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call psb_errpush(4010,name,a_err='dcrco')
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goto 9999
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end if
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case default
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info=4010
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call psb_errpush(info,name)
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goto 9999
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end select
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case ('COO','COI')
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select case (toupper(b%fida(1:3)))
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case ('CSR')
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call dcocr(trans_, a%m, a%k, unitd_, d, a%descra, a%aspk,&
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& a%ia2, a%ia1, a%infoa, b%pl, b%descra, b%aspk, b%ia1,&
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& b%ia2, b%infoa, b%pr, size(b%aspk), size(b%ia1),&
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& size(b%ia2), work, 2*size(work), info)
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if (info/=0) then
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call psb_errpush(4010,name,a_err='dcocr')
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goto 9999
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end if
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case ('JAD')
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call psb_sp_all(temp_a, size(b%ia1),size(b%ia2),size(b%aspk),info)
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if (info /= 0) then
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info=2040
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call psb_errpush(info,name)
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goto 9999
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endif
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temp_a%m = a%m
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temp_a%k = a%k
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!...Dirty trick: converting to CSR and then to JAD
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call dcocr(trans_, a%m, a%k, unitd_, d, a%descra, a%aspk,&
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& a%ia2, a%ia1, a%infoa, temp_a%pl, temp_a%descra, &
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& temp_a%aspk, temp_a%ia1, temp_a%ia2, temp_a%infoa, temp_a%pr, &
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& size(temp_a%aspk), size(temp_a%ia1),&
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& size(temp_a%ia2), work, 2*size(work), info)
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if (info/=0) then
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call psb_errpush(4010,name,a_err='dcocr')
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goto 9999
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end if
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do
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call dcrjd(trans_, temp_a%m, temp_a%k, unitd_, d, temp_a%descra, &
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& temp_a%aspk, temp_a%ia1, temp_a%ia2, temp_a%infoa, &
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& b%pl, b%descra, b%aspk, b%ia1, b%ia2, b%infoa, b%pr, &
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& size(b%aspk), size(b%ia1),&
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& size(b%ia2), work, size(work), nzr, info)
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if (info/=0) then
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call psb_errpush(4010,name,a_err='dcrjd')
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goto 9999
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end if
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ntry = ntry + 1
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if (debug) then
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write(0,*) 'On out from dcrjad ',nzr,info
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end if
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if (nzr == 0) exit
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if (ntry > maxtry ) then
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write(0,*) 'Tried reallocating for DCRJAD for ',maxtry,&
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& ': giving up now.'
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info=2040
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call psb_errpush(info,name)
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goto 9999
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endif
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call psb_sp_reall(b,nzr,info,ifc=ifc_)
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if (info /= 0) then
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info=2040
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call psb_errpush(info,name)
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goto 9999
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endif
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end do
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case ('COO')
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call dcoco(trans_, a%m, a%k, unitd_, d, a%descra, a%aspk,&
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& a%ia1, a%ia2, a%infoa, b%pl, b%descra, b%aspk, b%ia1,&
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& b%ia2, b%infoa, b%pr, size(b%aspk), size(b%ia1),&
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& size(b%ia2), work, 2*size(work), info)
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if (info/=0) then
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call psb_errpush(4010,name,a_err='dcoco')
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goto 9999
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end if
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case default
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info=4010
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call psb_errpush(info,name)
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goto 9999
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end select
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case default
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info=4010
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call psb_errpush(info,name)
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goto 9999
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end select
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if (psb_sp_getifld(psb_upd_,b,info) /= psb_upd_perm_) &
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& call psb_sp_trim(b,info)
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else if (check_=='R') then
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!...Regenerating matrix
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if (psb_sp_getifld(psb_state_,b,info) /= psb_spmat_upd_) then
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info = 8888
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call psb_errpush(info,name)
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goto 9999
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endif
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!
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! dupl_ and upd_ fields should not be changed.
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!
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select case(psb_sp_getifld(psb_upd_,b,info))
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case(psb_upd_perm_)
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if (debug) write(0,*) 'Regeneration with psb_upd_perm_'
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if (toupper(b%fida(1:3))/='JAD') then
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ip1 = psb_sp_getifld(psb_upd_pnt_,b,info)
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ip2 = b%ia2(ip1+psb_ip2_)
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nnz = b%ia2(ip1+psb_nnz_)
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iflag = b%ia2(ip1+psb_iflag_)
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ichk = b%ia2(ip1+psb_ichk_)
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nnzt = b%ia2(ip1+psb_nnzt_)
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if (debug) write(*,*) 'Regeneration start: ',&
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& b%infoa(psb_upd_),psb_upd_perm_,nnz,nnzt ,iflag,info
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if ((ichk/=nnzt+iflag).or.(nnz/=nnzt)) then
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info = 8889
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write(*,*) 'Regeneration start error: ',&
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& b%infoa(psb_upd_),psb_upd_perm_,nnz,nnzt ,iflag,ichk
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call psb_errpush(info,name)
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goto 9999
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endif
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do i= 1, nnz
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work(i) = 0.d0
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enddo
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select case(iflag)
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case(psb_dupl_ovwrt_,psb_dupl_err_)
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do i=1, nnz
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work(b%ia2(ip2+i-1)) = b%aspk(i)
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enddo
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case(psb_dupl_add_)
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do i=1, nnz
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work(b%ia2(ip2+i-1)) = b%aspk(i) + work(b%ia2(ip2+i-1))
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enddo
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case default
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info = 8887
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call psb_errpush(info,name)
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goto 9999
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end select
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do i=1, nnz
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b%aspk(i) = work(i)
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enddo
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else if (toupper(b%fida(1:3)) == 'JAD') then
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ip1 = psb_sp_getifld(psb_upd_pnt_,b,info)
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ip2 = b%ia1(ip1+psb_ip2_)
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count = b%ia1(ip1+psb_zero_)
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ipc = b%ia1(ip1+psb_ipc_)
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nnz = b%ia1(ip1+psb_nnz_)
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iflag = b%ia1(ip1+psb_iflag_)
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ichk = b%ia1(ip1+psb_ichk_)
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nnzt = b%ia1(ip1+psb_nnzt_)
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if (debug) write(*,*) 'Regeneration start: ',&
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& b%infoa(psb_upd_),psb_upd_perm_,nnz,nnzt,count, &
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& iflag,info
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if ((ichk/=nnzt+iflag).or.(nnz/=nnzt)) then
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info = 10
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write(*,*) 'Regeneration start error: ',&
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& b%infoa(psb_upd_),psb_upd_perm_,nnz,nnzt ,iflag,ichk
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
do i= 1, nnz+count
|
|
work(i) = 0.d0
|
|
enddo
|
|
select case(iflag)
|
|
case(psb_dupl_ovwrt_,psb_dupl_err_)
|
|
do i=1, nnz
|
|
work(b%ia1(ip2+i-1)) = b%aspk(i)
|
|
enddo
|
|
case(psb_dupl_add_)
|
|
do i=1, nnz
|
|
work(b%ia1(ip2+i-1)) = b%aspk(i) + work(b%ia1(ip2+i-1))
|
|
enddo
|
|
case default
|
|
info = 8887
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end select
|
|
|
|
do i=1, nnz+count
|
|
b%aspk(i) = work(i)
|
|
enddo
|
|
do i=1, count
|
|
b%aspk(b%ia1(ipc+i-1)) = 0.d0
|
|
end do
|
|
endif
|
|
|
|
case(psb_upd_dflt_,psb_upd_srch_)
|
|
! Nothing to be done here.
|
|
if (debug) write(0,*) 'Going through on regeneration with psb_upd_srch_'
|
|
case default
|
|
! Wrong value
|
|
info = 8888
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
|
|
end select
|
|
end if
|
|
call psb_sp_setifld(psb_spmat_asb_,psb_state_,b,info)
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act.eq.psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_dcsdp
|