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254 lines
7.3 KiB
Fortran
254 lines
7.3 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 3.0
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!!$ (C) Copyright 2010
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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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_drwextd.f90
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! Subroutine:
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! Arguments:
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!
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! We have a problem here: 1. How to handle well all the formats?
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! 2. What should we do with rowscale? Does it only
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! apply when a%fida='COO' ??????
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!
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!
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subroutine psb_drwextd(nr,a,info,b,rowscale)
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use psb_sparse_mod, psb_protect_name => psb_drwextd
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implicit none
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! Extend matrix A up to NR rows with empty ones (i.e.: all zeroes)
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integer, intent(in) :: nr
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type(psb_d_sparse_mat), intent(inout) :: a
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integer,intent(out) :: info
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type(psb_d_sparse_mat), intent(in), optional :: b
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logical,intent(in), optional :: rowscale
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integer :: i,j,ja,jb,err_act,nza,nzb
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character(len=20) :: name, ch_err
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type(psb_d_coo_sparse_mat) :: actmp
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logical rowscale_
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name='psb_drwextd'
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info = psb_success_
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call psb_erractionsave(err_act)
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if (nr > a%get_nrows()) then
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select type(aa=> a%a)
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type is (psb_d_csr_sparse_mat)
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if (present(b)) then
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call psb_rwextd(nr,aa,info,b%a,rowscale)
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else
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call psb_rwextd(nr,aa,info,rowscale=rowscale)
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end if
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type is (psb_d_coo_sparse_mat)
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if (present(b)) then
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call psb_rwextd(nr,aa,info,b%a,rowscale=rowscale)
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else
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call psb_rwextd(nr,aa,info,rowscale=rowscale)
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end if
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class default
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call aa%mv_to_coo(actmp,info)
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if (info == psb_success_) then
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if (present(b)) then
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call psb_rwextd(nr,actmp,info,b%a,rowscale=rowscale)
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else
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call psb_rwextd(nr,actmp,info,rowscale=rowscale)
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end if
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end if
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if (info == psb_success_) call aa%mv_from_coo(actmp,info)
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end select
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end if
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if (info /= psb_success_) goto 9999
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_drwextd
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subroutine psb_dbase_rwextd(nr,a,info,b,rowscale)
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use psb_sparse_mod, psb_protect_name => psb_dbase_rwextd
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implicit none
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! Extend matrix A up to NR rows with empty ones (i.e.: all zeroes)
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integer, intent(in) :: nr
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class(psb_d_base_sparse_mat), intent(inout) :: a
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integer,intent(out) :: info
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class(psb_d_base_sparse_mat), intent(in), optional :: b
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logical,intent(in), optional :: rowscale
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integer :: i,j,ja,jb,err_act,nza,nzb, ma, mb, na, nb
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character(len=20) :: name, ch_err
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logical rowscale_
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name='psb_dbase_rwextd'
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info = psb_success_
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call psb_erractionsave(err_act)
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if (present(rowscale)) then
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rowscale_ = rowscale
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else
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rowscale_ = .true.
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end if
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ma = a%get_nrows()
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na = a%get_ncols()
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select type(a)
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type is (psb_d_csr_sparse_mat)
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call psb_ensure_size(nr+1,a%irp,info)
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if (present(b)) then
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mb = b%get_nrows()
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nb = b%get_ncols()
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nzb = b%get_nzeros()
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select type (b)
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type is (psb_d_csr_sparse_mat)
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call psb_ensure_size(size(a%ja)+nzb,a%ja,info)
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call psb_ensure_size(size(a%val)+nzb,a%val,info)
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do i=1, min(nr-ma,mb)
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a%irp(ma+i+1) = a%irp(ma+i) + b%irp(i+1) - b%irp(i)
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ja = a%irp(ma+i)
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jb = b%irp(i)
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do
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if (jb >= b%irp(i+1)) exit
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a%val(ja) = b%val(jb)
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a%ja(ja) = b%ja(jb)
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ja = ja + 1
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jb = jb + 1
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end do
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end do
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do j=i,nr-ma
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a%irp(ma+i+1) = a%irp(ma+i)
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end do
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class default
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write(psb_err_unit,*) 'Implement SPGETBLK in RWEXTD!!!!!!!'
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end select
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call a%set_ncols(max(na,nb))
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else
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do i=ma+2,nr+1
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a%irp(i) = a%irp(i-1)
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end do
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end if
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call a%set_nrows(nr)
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type is (psb_d_coo_sparse_mat)
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nza = a%get_nzeros()
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if (present(b)) then
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mb = b%get_nrows()
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nb = b%get_ncols()
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nzb = b%get_nzeros()
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call a%reallocate(nza+nzb)
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select type(b)
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type is (psb_d_coo_sparse_mat)
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if (rowscale_) then
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do j=1,nzb
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if ((ma + b%ia(j)) <= nr) then
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nza = nza + 1
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a%ia(nza) = ma + b%ia(j)
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a%ja(nza) = b%ja(j)
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a%val(nza) = b%val(j)
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end if
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enddo
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else
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do j=1,nzb
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if ((ma + b%ia(j)) <= nr) then
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nza = nza + 1
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a%ia(nza) = b%ia(j)
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a%ja(nza) = b%ja(j)
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a%val(nza) = b%val(j)
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end if
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enddo
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endif
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call a%set_nzeros(nza)
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type is (psb_d_csr_sparse_mat)
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do i=1, min(nr-ma,mb)
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do
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jb = b%irp(i)
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if (jb >= b%irp(i+1)) exit
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nza = nza + 1
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a%val(nza) = b%val(jb)
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a%ia(nza) = ma + i
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a%ja(nza) = b%ja(jb)
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jb = jb + 1
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end do
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end do
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call a%set_nzeros(nza)
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class default
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write(psb_err_unit,*) 'Implement SPGETBLK in RWEXTD!!!!!!!'
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end select
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call a%set_ncols(max(na,nb))
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endif
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call a%set_nrows(nr)
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class default
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info = psb_err_unsupported_format_
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ch_err=a%get_fmt()
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_dbase_rwextd
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