!!$ !!$ Parallel Sparse BLAS v2.0 !!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari University of Rome Tor Vergata !!$ !!$ Redistribution and use in source and binary forms, with or without !!$ modification, are permitted provided that the following conditions !!$ are met: !!$ 1. Redistributions of source code must retain the above copyright !!$ notice, this list of conditions and the following disclaimer. !!$ 2. Redistributions in binary form must reproduce the above copyright !!$ notice, this list of conditions, and the following disclaimer in the !!$ documentation and/or other materials provided with the distribution. !!$ 3. 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File: psb_zspcnv.f90 ! ! Subroutine: psb_zspcnv ! converts sparse matrix a into b ! ! Parameters: ! a - type(). The sparse input matrix. ! b - type(). The sparse output matrix. ! desc_a - type(). The communication descriptor. ! info - integer. Eventually returns an error code. ! subroutine psb_zspcnv(a,b,desc_a,info) use psb_descriptor_type use psb_spmat_type use psb_realloc_mod use psb_serial_mod use psb_const_mod use psb_error_mod use psb_penv_mod implicit none interface zcsdp subroutine zcsdp(check,trans,m,n,unitd,d,& & fida,descra,a,ia1,ia2,infoa,& & pl,fidh,descrh,h,ih1,ih2,infoh,pr,lh,lh1,lh2,& & work,lwork,ierror) integer, intent(in) :: lh, lwork, lh1, lh2, m, n integer, intent(out) :: ierror character, intent(in) :: check, trans, unitd complex(kind(1.d0)), intent(in) :: d(*), a(*) complex(kind(1.d0)), intent(out) :: h(*) complex(kind(1.d0)), intent(inout) :: work(*) integer, intent(in) :: ia1(*), ia2(*), infoa(*) integer, intent(out) :: ih1(*), ih2(*), pl(*),pr(*), infoh(*) character, intent(in) :: fida*5, descra*11 character, intent(out) :: fidh*5, descrh*11 end subroutine zcsdp end interface interface zcsrp subroutine zcsrp(trans,m,n,fida,descra,ia1,ia2,& & infoa,p,work,lwork,ierror) integer, intent(in) :: m, n, lwork integer, intent(out) :: ierror character, intent(in) :: trans complex(kind(1.d0)), intent(inout) :: work(*) integer, intent(in) :: p(*) integer, intent(inout) :: ia1(*), ia2(*), infoa(*) character, intent(in) :: fida*5, descra*11 end subroutine zcsrp end interface interface zcsprt subroutine zcsprt(m,n,fida,descra,a,ia1,ia2,infoa ,iout,ierror) integer, intent(in) :: iout,m, n integer, intent(out) :: ierror complex(kind(1.d0)), intent(in) :: a(*) integer, intent(in) :: ia1(*), ia2(*), infoa(*) character, intent(in) :: fida*5, descra*11 end subroutine zcsprt end interface !...parameters.... type(psb_zspmat_type), intent(in) :: a type(psb_zspmat_type), intent(out) :: b type(psb_desc_type), intent(in) :: desc_a integer, intent(out) :: info !....locals.... integer :: int_err(5) complex(kind(1.d0)) :: d(1) integer,allocatable :: i_temp(:) complex(kind(1.d0)),allocatable :: work_dcsdp(:) integer :: ia1_size,ia2_size,aspk_size,err_act& & ,i,err,np,me,n_col,l_dcsdp integer :: lwork_dcsdp,dectype integer :: ictxt,n_row character :: check*1, trans*1, unitd*1 logical, parameter :: debug=.false. character(len=20) :: name, ch_err if(psb_get_errstatus() /= 0) return info=0 name = 'psb_zspcnv' call psb_erractionsave(err_act) ictxt = psb_cd_get_context(desc_a) dectype = psb_cd_get_dectype(desc_a) n_row = psb_cd_get_local_rows(desc_a) n_col = psb_cd_get_local_cols(desc_a) ! check on blacs grid call psb_info(ictxt, me, np) if (np == -1) then info = 2010 call psb_errpush(info,name) goto 9999 endif if (.not.psb_is_ok_dec((dectype))) then info = 600 int_err(1) = dectype call psb_errpush(info,name,i_err=int_err) goto 9999 endif if (debug) write (0, *) name,' begin matrix assembly...' ia1_size = size(a%ia1) ia2_size = size(a%ia2) aspk_size = size(a%aspk) if (debug) write (0, *) name,' sizes',ia1_size,ia2_size,aspk_size ! convert only without check check='N' trans='N' unitd='U' ! l_dcsdp is the size requested for dcsdp procedure l_dcsdp=(ia1_size+100) b%m=n_row b%k=n_col call psb_sp_all(b,ia1_size,ia2_size,aspk_size,info) allocate(work_dcsdp(l_dcsdp),stat=info) if (info /= 0) then info=2025 int_err(1)=l_dcsdp call psb_errpush(info, name, i_err=int_err) goto 9999 endif lwork_dcsdp=size(work_dcsdp) ! set infoa(1) to nnzero b%pl(:) = 0 b%pr(:) = 0 if (debug) write (0, *) name,' calling dcsdp',lwork_dcsdp,& &size(work_dcsdp) ! convert aspk,ia1,ia2 in requested representation mode if (debug) then endif ! result is put in b call zcsdp(check,trans,n_row,n_col,unitd,d,a%fida,a%descra,& & a%aspk,a%ia1,a%ia2,a%infoa,& & b%pl,b%fida,b%descra,b%aspk,b%ia1,b%ia2,b%infoa,b%pr,& & size(b%aspk),size(b%ia1),size(b%ia2),& & work_dcsdp,size(work_dcsdp),info) if(info /= psb_no_err_) then info=4010 ch_err='zcsdp' call psb_errpush(info, name, a_err=ch_err) goto 9999 end if ! ! hmmm, have to fix b%pl and b%pr according to a%pl and a%pr!!! ! should work (crossed fingers :-) if (a%pr(1) /= 0) then if (b%pr(1) /= 0) then allocate(i_temp(n_col)) do i=1, n_col i_temp(i) = b%pr(a%pr(i)) enddo call psb_transfer(i_temp,b%pr,info) else allocate(i_temp(n_col)) do i=1, n_col i_temp(i) = a%pr(i) enddo call psb_transfer(i_temp,b%pr,info) endif endif if (a%pl(1) /= 0) then if (b%pr(1) /= 0) then allocate(i_temp(n_row)) do i=1, n_row i_temp(i) = a%pl(b%pl(i)) enddo call psb_transfer(i_temp,b%pl,info) else allocate(i_temp(n_row)) do i=1, n_row i_temp(i) = a%pl(i) enddo call psb_transfer(i_temp,b%pl,info) endif endif if (debug) write (0, *) me,name,' from zcsdp ',& &b%fida,' pl ', b%pl(:),'pr',b%pr(:) call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psb_zspcnv