!!$ !!$ 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. !!$ !!$ module hbio use psb_sparse_mod public hb_read, hb_write interface hb_read module procedure dhb_read, zhb_read end interface interface hb_write module procedure dhb_write,zhb_write end interface contains subroutine dhb_read(a, iret, iunit, filename,b,mtitle) use psb_sparse_mod implicit none type(psb_dspmat_type), intent(out) :: a integer, intent(out) :: iret integer, optional, intent(in) :: iunit character(len=*), optional, intent(in) :: filename real(kind(1.d0)), optional, pointer :: b(:) character(len=72), optional, intent(out) :: mtitle character :: rhstype,type*3,key*8 character indfmt*16,ptrfmt*16,rhsfmt*20,valfmt*20 integer :: indcrd, ptrcrd, totcrd,& & valcrd, rhscrd, nrow, ncol, nnzero, neltvl, nrhs, nrhsix integer :: ircode, i,iel,ptr,nzr,infile,& & j, root, nprow, npcol, myprow, mypcol, info character(len=*), parameter :: fmt10='(a72,a8,/,5i14,/,a3,11x,4i14,/,2a16,2a20)' character(len=*), parameter :: fmt11='(a1,13x,2i14)' character(len=*), parameter :: fmt111='(1x,a8,1x,i8,1x,a10)' logical, parameter :: debug=.false. iret = 0 if (present(filename)) then if (filename=='-') then infile=5 else if (present(iunit)) then infile=iunit else infile=99 endif open(infile,file=filename, status='OLD', err=901, action='READ') endif else if (present(iunit)) then infile=iunit else infile=5 endif endif read (infile,fmt=fmt10) mtitle,key,totcrd,ptrcrd,indcrd,valcrd,rhscrd,& & type,nrow,ncol,nnzero,neltvl,ptrfmt,indfmt,valfmt,rhsfmt if (rhscrd.gt.0) read(infile,fmt=fmt11)rhstype,nrhs,nrhsix if (tolower(type(1:1)) == 'r') then if (tolower(type(2:2)) == 'u') then call psb_sp_all(a,nnzero,nrow+1,nnzero,ircode) if (ircode /= 0 ) then write(0,*) 'Memory allocation failed' goto 993 end if a%m = nrow a%k = ncol a%fida = 'CSR' a%descra='G' read (infile,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1) read (infile,fmt=indfmt) (a%ia1(i),i=1,nnzero) if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero) if (present(b) .and. (rhscrd.gt.0)) then if (associated(b)) then if (size(b) < nrow) deallocate(b) endif if (.not.associated(b)) then allocate(b(nrow),stat=info) endif read (infile,fmt=rhsfmt) (b(i),i=1,nrow) endif else if (tolower(type(2:2)) == 's') then ! we are generally working with non-symmetric matrices, so ! we de-symmetrize what we are about to read call psb_sp_all(nrow,ncol,a,2*nnzero,ircode) if (ircode /= 0 ) then write(0,*) 'Memory allocation failed' goto 993 end if a%fida = 'CSR' a%descra='G' read (infile,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1) read (infile,fmt=indfmt) (a%ia1(i),i=1,nnzero) if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero) if (present(b) .and. (rhscrd.gt.0)) then if (associated(b)) then if (size(b) < nrow) deallocate(b) endif if (.not.associated(b)) then allocate(b(nrow),stat=info) endif read (infile,fmt=rhsfmt) (b(i),i=1,nrow) endif call psb_ipcsr2coo(a,ircode) if (ircode /= 0) goto 993 ! A is now in COO format nzr = nnzero do i=1,nnzero if (a%ia1(i) /= a%ia2(i)) then nzr = nzr + 1 a%aspk(nzr) = a%aspk(i) a%ia1(nzr) = a%ia2(i) a%ia2(nzr) = a%ia1(i) end if end do a%infoa(psb_nnz_) = nzr call psb_ipcoo2csr(a,ircode) if (ircode /= 0) goto 993 else write(0,*) 'read_matrix: matrix type not yet supported' iret=904 end if else write(0,*) 'read_matrix: matrix type not yet supported' iret=904 end if if (infile/=5) close(infile) return ! open failed 901 iret=901 write(0,*) 'read_matrix: could not open file ',filename,' for input' return 902 iret=902 write(0,*) 'DHB_READ: Unexpected end of file ' return 993 iret=993 write(0,*) 'DHB_READ: Memory allocation failure' return end subroutine dhb_read subroutine dhb_write(a,iret,eiout,filename,key,rhs,mtitle) use psb_sparse_mod implicit none type(psb_dspmat_type), intent(in) :: a integer, intent(out) :: iret character(len=*), optional, intent(in) :: mtitle integer, optional, intent(in) :: eiout character(len=*), optional, intent(in) :: filename character(len=*), optional, intent(in) :: key real(kind(1.d0)), optional :: rhs(:) integer :: iout character(len=*), parameter:: ptrfmt='(10I8)',indfmt='(10I8)' integer, parameter :: jptr=10,jind=10 character(len=*), parameter:: valfmt='(4E20.12)',rhsfmt='(4E20.12)' integer, parameter :: jval=4,jrhs=4 character(len=*), parameter :: fmt10='(a72,a8,/,5i14,/,a3,11x,4i14,/,2a16,2a20)' character(len=*), parameter :: fmt11='(a1,13x,2i14)' character(len=*), parameter :: fmt111='(1x,a8,1x,i8,1x,a10)' character(len=72) :: mtitle_ character(len=8) :: key_ character :: rhstype,type*3 integer :: i,indcrd,nrhsvl,ptrcrd,rhscrd,totcrd,valcrd,& & nrow,ncol,nnzero, neltvl, nrhs, nrhsix iret = 0 if (present(filename)) then if (filename=='-') then iout=6 else if (present(eiout)) then iout = eiout else iout=99 endif open(iout,file=filename, err=901, action='WRITE') endif else if (present(eiout)) then iout = eiout else iout=6 endif endif if (present(mtitle)) then mtitle_ = mtitle else mtitle_ = 'Temporary PSBLAS title ' endif if (present(key)) then key_ = key else key_ = 'PSBMAT00' endif if (toupper(a%fida) == 'CSR') then nrow = a%m ncol = a%k nnzero = a%ia2(nrow+1)-1 neltvl = 0 ptrcrd = (nrow+1)/jptr if (mod(nrow+1,jptr).gt.0) ptrcrd = ptrcrd + 1 indcrd = nnzero/jind if (mod(nnzero,jind).gt.0) indcrd = indcrd + 1 valcrd = nnzero/jval if (mod(nnzero,jval).gt.0) valcrd = valcrd + 1 if (present(rhs)) then if (size(rhs)