!!$
!!$ Parallel Sparse BLAS version 3.1
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
! File: psb_zrwextd.f90
! Subroutine:
! Arguments:
!
! We have a problem here: 1. How to handle well all the formats?
! 2. What should we do with rowscale? Does it only
! apply when a%fida='COO' ??????
!
!
subroutine psb_zrwextd(nr,a,info,b,rowscale)
use psb_base_mod, psb_protect_name => psb_zrwextd
implicit none
! Extend matrix A up to NR rows with empty ones (i.e.: all zeroes)
integer(psb_ipk_), intent(in) :: nr
type(psb_zspmat_type), intent(inout) :: a
integer(psb_ipk_),intent(out) :: info
type(psb_zspmat_type), intent(in), optional :: b
logical,intent(in), optional :: rowscale
integer(psb_ipk_) :: i,j,ja,jb,err_act,nza,nzb
character(len=20) :: name, ch_err
type(psb_z_coo_sparse_mat) :: actmp
logical rowscale_
name='psb_zrwextd'
info = psb_success_
call psb_erractionsave(err_act)
if (nr > a%get_nrows()) then
select type(aa=> a%a)
type is (psb_z_csr_sparse_mat)
if (present(b)) then
call psb_rwextd(nr,aa,info,b%a,rowscale)
else
call psb_rwextd(nr,aa,info,rowscale=rowscale)
end if
type is (psb_z_coo_sparse_mat)
if (present(b)) then
call psb_rwextd(nr,aa,info,b%a,rowscale=rowscale)
else
call psb_rwextd(nr,aa,info,rowscale=rowscale)
end if
class default
call aa%mv_to_coo(actmp,info)
if (info == psb_success_) then
if (present(b)) then
call psb_rwextd(nr,actmp,info,b%a,rowscale=rowscale)
else
call psb_rwextd(nr,actmp,info,rowscale=rowscale)
end if
end if
if (info == psb_success_) call aa%mv_from_coo(actmp,info)
end select
end if
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_zrwextd
subroutine psb_zbase_rwextd(nr,a,info,b,rowscale)
use psb_base_mod, psb_protect_name => psb_zbase_rwextd
implicit none
! Extend matrix A up to NR rows with empty ones (i.e.: all zeroes)
integer(psb_ipk_), intent(in) :: nr
class(psb_z_base_sparse_mat), intent(inout) :: a
integer(psb_ipk_),intent(out) :: info
class(psb_z_base_sparse_mat), intent(in), optional :: b
logical,intent(in), optional :: rowscale
integer(psb_ipk_) :: i,j,ja,jb,err_act,nza,nzb, ma, mb, na, nb
character(len=20) :: name, ch_err
logical rowscale_
name='psb_zbase_rwextd'
info = psb_success_
call psb_erractionsave(err_act)
if (present(rowscale)) then
rowscale_ = rowscale
else
rowscale_ = .true.
end if
ma = a%get_nrows()
na = a%get_ncols()
select type(a)
type is (psb_z_csr_sparse_mat)
call psb_ensure_size(nr+1,a%irp,info)
if (present(b)) then
mb = b%get_nrows()
nb = b%get_ncols()
nzb = b%get_nzeros()
select type (b)
type is (psb_z_csr_sparse_mat)
call psb_ensure_size(size(a%ja)+nzb,a%ja,info)
call psb_ensure_size(size(a%val)+nzb,a%val,info)
do i=1, min(nr-ma,mb)
a%irp(ma+i+1) = a%irp(ma+i) + b%irp(i+1) - b%irp(i)
ja = a%irp(ma+i)
do jb = b%irp(i), b%irp(i+1)-1
a%val(ja) = b%val(jb)
a%ja(ja) = b%ja(jb)
ja = ja + 1
end do
end do
do j=i,nr-ma
a%irp(ma+i+1) = a%irp(ma+i)
end do
class default
write(psb_err_unit,*) 'Implement SPGETBLK in RWEXTD!!!!!!!'
end select
call a%set_ncols(max(na,nb))
else
do i=ma+2,nr+1
a%irp(i) = a%irp(i-1)
end do
end if
call a%set_nrows(nr)
type is (psb_z_coo_sparse_mat)
nza = a%get_nzeros()
if (present(b)) then
mb = b%get_nrows()
nb = b%get_ncols()
nzb = b%get_nzeros()
call a%reallocate(nza+nzb)
select type(b)
type is (psb_z_coo_sparse_mat)
if (rowscale_) then
do j=1,nzb
if ((ma + b%ia(j)) <= nr) then
nza = nza + 1
a%ia(nza) = ma + b%ia(j)
a%ja(nza) = b%ja(j)
a%val(nza) = b%val(j)
end if
enddo
else
do j=1,nzb
if ((ma + b%ia(j)) <= nr) then
nza = nza + 1
a%ia(nza) = b%ia(j)
a%ja(nza) = b%ja(j)
a%val(nza) = b%val(j)
end if
enddo
endif
call a%set_nzeros(nza)
type is (psb_z_csr_sparse_mat)
do i=1, min(nr-ma,mb)
do jb = b%irp(i), b%irp(i+1)-1
nza = nza + 1
a%val(nza) = b%val(jb)
a%ia(nza) = ma + i
a%ja(nza) = b%ja(jb)
end do
end do
call a%set_nzeros(nza)
class default
write(psb_err_unit,*) 'Implement SPGETBLK in RWEXTD!!!!!!!'
end select
call a%set_ncols(max(na,nb))
endif
call a%set_nrows(nr)
class default
info = psb_err_unsupported_format_
ch_err=a%get_fmt()
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_zbase_rwextd