You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
243 lines
7.7 KiB
Fortran
243 lines
7.7 KiB
Fortran
!!$
|
|
!!$ 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. The name of the PSBLAS group or the names of its contributors may
|
|
!!$ not be used to endorse or promote products derived from this
|
|
!!$ software without specific written permission.
|
|
!!$
|
|
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
|
|
!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
!!$ POSSIBILITY OF SUCH DAMAGE.
|
|
!!$
|
|
!!$
|
|
! File: psb_dspcnv.f90
|
|
!
|
|
! Subroutine: psb_dspcnv
|
|
! converts sparse matrix a into b
|
|
!
|
|
! Parameters:
|
|
! a - type(<psb_dspmat_type>). The sparse input matrix.
|
|
! b - type(<psb_dspmat_type>). The sparse output matrix.
|
|
! desc_a - type(<psb_desc_type>). The communication descriptor.
|
|
! info - integer. Eventually returns an error code.
|
|
!
|
|
subroutine psb_dspcnv(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 dcsdp
|
|
|
|
subroutine dcsdp(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
|
|
real(kind(1.d0)), intent(in) :: d(*), a(*)
|
|
real(kind(1.d0)), intent(out) :: h(*)
|
|
real(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 dcsdp
|
|
end interface
|
|
|
|
|
|
interface dcsrp
|
|
|
|
subroutine dcsrp(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
|
|
real(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 dcsrp
|
|
end interface
|
|
|
|
interface dcsprt
|
|
subroutine dcsprt(m,n,fida,descra,a,ia1,ia2,infoa ,iout,ierror)
|
|
integer, intent(in) :: iout,m, n
|
|
integer, intent(out) :: ierror
|
|
real(kind(1.d0)), intent(in) :: a(*)
|
|
integer, intent(in) :: ia1(*), ia2(*), infoa(*)
|
|
character, intent(in) :: fida*5, descra*11
|
|
end subroutine dcsprt
|
|
end interface
|
|
|
|
!...parameters....
|
|
type(psb_dspmat_type), intent(in) :: a
|
|
type(psb_dspmat_type), intent(out) :: b
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
integer, intent(out) :: info
|
|
!....locals....
|
|
integer :: int_err(5)
|
|
real(kind(1.d0)) :: d(1)
|
|
integer,allocatable :: i_temp(:)
|
|
real(kind(1.d0)),allocatable :: work_dcsdp(:)
|
|
integer :: ia1_size,ia2_size,aspk_size,&
|
|
& err_act,i,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_dspcnv'
|
|
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 dcsdp(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='dcsdp'
|
|
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 dcsdp ',&
|
|
&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_dspcnv
|