!!$ !!$ Parallel Sparse BLAS version 2.2 !!$ (C) Copyright 2006/2007/2008 !!$ 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_drwextd.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_drwextd(nr,a,info,b,rowscale) use psb_sparse_mod, psb_protect_name => psb_drwextd implicit none ! Extend matrix A up to NR rows with empty ones (i.e.: all zeroes) integer, intent(in) :: nr type(psb_d_sparse_mat), intent(inout) :: a integer,intent(out) :: info type(psb_d_sparse_mat), intent(in), optional :: b logical,intent(in), optional :: rowscale integer :: i,j,ja,jb,err_act,nza,nzb character(len=20) :: name, ch_err type(psb_d_coo_sparse_mat) :: actmp logical rowscale_ name='psb_drwextd' info = psb_success_ call psb_erractionsave(err_act) if (nr > a%get_nrows()) then select type(aa=> a%a) type is (psb_d_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_d_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 a%a%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 a%a%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_drwextd subroutine psb_dbase_rwextd(nr,a,info,b,rowscale) use psb_sparse_mod, psb_protect_name => psb_dbase_rwextd implicit none ! Extend matrix A up to NR rows with empty ones (i.e.: all zeroes) integer, intent(in) :: nr class(psb_d_base_sparse_mat), intent(inout) :: a integer,intent(out) :: info class(psb_d_base_sparse_mat), intent(in), optional :: b logical,intent(in), optional :: rowscale integer :: i,j,ja,jb,err_act,nza,nzb, ma, mb, na, nb character(len=20) :: name, ch_err logical rowscale_ name='psb_dbase_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_d_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_d_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) jb = b%irp(i) do if (jb >= b%irp(i+1)) exit a%val(ja) = b%val(jb) a%ja(ja) = b%ja(jb) ja = ja + 1 jb = jb + 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_d_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_d_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_d_csr_sparse_mat) do i=1, min(nr-ma,mb) do jb = b%irp(i) if (jb >= b%irp(i+1)) exit nza = nza + 1 a%val(nza) = b%val(jb) a%ia(nza) = ma + i a%ja(nza) = b%ja(jb) jb = jb + 1 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_dbase_rwextd