!!$ !!$ Parallel Sparse BLAS version 3.0 !!$ (C) Copyright 2006, 2007, 2008, 2009, 2010 !!$ 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 !!$ 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. !!$ !!$ subroutine chb_read(a, iret, iunit, filename,b,g,x,mtitle) use psb_base_mod implicit none type(psb_cspmat_type), intent(out) :: a integer, intent(out) :: iret integer, optional, intent(in) :: iunit character(len=*), optional, intent(in) :: filename complex(psb_spk_), optional, allocatable, intent(out) :: b(:,:), g(:,:), x(:,:) character(len=72), optional, intent(out) :: mtitle character :: rhstype*3,type*3,key*8 character(len=72) :: mtitle_ character indfmt*16,ptrfmt*16,rhsfmt*20,valfmt*20 integer :: indcrd, ptrcrd, totcrd,& & valcrd, rhscrd, nrow, ncol, nnzero, neltvl, nrhs, nrhsix type(psb_c_csc_sparse_mat) :: acsc type(psb_c_coo_sparse_mat) :: acoo integer :: ircode, i,nzr,infile, info character(len=*), parameter :: fmt10='(a72,a8,/,5i14,/,a3,11x,4i14,/,2a16,2a20)' character(len=*), parameter :: fmt11='(a3,11x,2i14)' character(len=*), parameter :: fmt111='(1x,a8,1x,i8,1x,a10)' iret = 0 ircode = 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 > 0) read(infile,fmt=fmt11)rhstype,nrhs,nrhsix call acsc%allocate(nrow,ncol,nnzero) if (ircode /= 0 ) then write(psb_err_unit,*) 'Memory allocation failed' goto 993 end if if (present(mtitle)) mtitle=mtitle_ if (psb_tolower(type(1:1)) == 'c') then if (psb_tolower(type(2:2)) == 'u') then read (infile,fmt=ptrfmt) (acsc%icp(i),i=1,ncol+1) read (infile,fmt=indfmt) (acsc%ia(i),i=1,nnzero) if (valcrd > 0) read (infile,fmt=valfmt) (acsc%val(i),i=1,nnzero) call a%mv_from(acsc) if (present(b)) then if ((psb_toupper(rhstype(1:1)) == 'F').and.(rhscrd > 0)) then call psb_realloc(nrow,1,b,info) read (infile,fmt=rhsfmt) (b(i,1),i=1,nrow) endif endif if (present(g)) then if ((psb_toupper(rhstype(2:2)) == 'G').and.(rhscrd > 0)) then call psb_realloc(nrow,1,g,info) read (infile,fmt=rhsfmt) (g(i,1),i=1,nrow) endif endif if (present(x)) then if ((psb_toupper(rhstype(3:3)) == 'X').and.(rhscrd > 0)) then call psb_realloc(nrow,1,x,info) read (infile,fmt=rhsfmt) (x(i,1),i=1,nrow) endif endif else if (psb_tolower(type(2:2)) == 's') then ! we are generally working with non-symmetric matrices, so ! we de-symmetrize what we are about to read read (infile,fmt=ptrfmt) (acsc%icp(i),i=1,ncol+1) read (infile,fmt=indfmt) (acsc%ia(i),i=1,nnzero) if (valcrd > 0) read (infile,fmt=valfmt) (acsc%val(i),i=1,nnzero) if (present(b)) then if ((psb_toupper(rhstype(1:1)) == 'F').and.(rhscrd > 0)) then call psb_realloc(nrow,1,b,info) read (infile,fmt=rhsfmt) (b(i,1),i=1,nrow) endif endif if (present(g)) then if ((psb_toupper(rhstype(2:2)) == 'G').and.(rhscrd > 0)) then call psb_realloc(nrow,1,g,info) read (infile,fmt=rhsfmt) (g(i,1),i=1,nrow) endif endif if (present(x)) then if ((psb_toupper(rhstype(3:3)) == 'X').and.(rhscrd > 0)) then call psb_realloc(nrow,1,x,info) read (infile,fmt=rhsfmt) (x(i,1),i=1,nrow) endif endif call acoo%mv_from_fmt(acsc,info) call acoo%reallocate(2*nnzero) ! A is now in COO format nzr = nnzero do i=1,nnzero if (acoo%ia(i) /= acoo%ja(i)) then nzr = nzr + 1 acoo%val(nzr) = acoo%val(i) acoo%ia(nzr) = acoo%ja(i) acoo%ja(nzr) = acoo%ia(i) end if end do call acoo%set_nzeros(nzr) call acoo%fix(ircode) if (ircode == 0) call a%mv_from(acoo) if (ircode /= 0) goto 993 else if (psb_tolower(type(2:2)) == 'h') then ! we are generally working with non-symmetric matrices, so ! we de-symmetrize what we are about to read read (infile,fmt=ptrfmt) (acsc%icp(i),i=1,ncol+1) read (infile,fmt=indfmt) (acsc%ia(i),i=1,nnzero) if (valcrd > 0) read (infile,fmt=valfmt) (acsc%val(i),i=1,nnzero) if (present(b)) then if ((psb_toupper(rhstype(1:1)) == 'F').and.(rhscrd > 0)) then call psb_realloc(nrow,1,b,info) read (infile,fmt=rhsfmt) (b(i,1),i=1,nrow) endif endif if (present(g)) then if ((psb_toupper(rhstype(2:2)) == 'G').and.(rhscrd > 0)) then call psb_realloc(nrow,1,g,info) read (infile,fmt=rhsfmt) (g(i,1),i=1,nrow) endif endif if (present(x)) then if ((psb_toupper(rhstype(3:3)) == 'X').and.(rhscrd > 0)) then call psb_realloc(nrow,1,x,info) read (infile,fmt=rhsfmt) (x(i,1),i=1,nrow) endif endif call acoo%mv_from_fmt(acsc,info) call acoo%reallocate(2*nnzero) ! A is now in COO format nzr = nnzero do i=1,nnzero if (acoo%ia(i) /= acoo%ja(i)) then nzr = nzr + 1 acoo%val(nzr) = conjg(acoo%val(i)) acoo%ia(nzr) = acoo%ja(i) acoo%ja(nzr) = acoo%ia(i) end if end do call acoo%set_nzeros(nzr) call acoo%fix(ircode) if (ircode == 0) call a%mv_from(acoo) if (ircode /= 0) goto 993 else write(psb_err_unit,*) 'read_matrix: matrix type not yet supported' iret=904 end if else write(psb_err_unit,*) 'read_matrix: matrix type not yet supported' iret=904 end if call a%cscnv(ircode,type='csr') if (infile /= 5) close(infile) return ! open failed 901 iret=901 write(psb_err_unit,*) 'read_matrix: could not open file ',filename,' for input' return 902 iret=902 write(psb_err_unit,*) 'HB_READ: Unexpected end of file ' return 993 iret=993 write(psb_err_unit,*) 'HB_READ: Memory allocation failure' return end subroutine chb_read subroutine chb_write(a,iret,iunit,filename,key,rhs,g,x,mtitle) use psb_base_mod implicit none type(psb_cspmat_type), intent(in), target :: a integer, intent(out) :: iret character(len=*), optional, intent(in) :: mtitle integer, optional, intent(in) :: iunit character(len=*), optional, intent(in) :: filename character(len=*), optional, intent(in) :: key complex(psb_spk_), optional :: rhs(:), g(:), x(:) 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=2,jrhs=2 character(len=*), parameter :: fmt10='(a72,a8,/,5i14,/,a3,11x,4i14,/,2a16,2a20)' character(len=*), parameter :: fmt11='(a3,11x,2i14)' character(len=*), parameter :: fmt111='(1x,a8,1x,i8,1x,a10)' type(psb_c_csc_sparse_mat) :: acsc character(len=72) :: mtitle_ character(len=8) :: key_ character :: rhstype*3,type*3 integer :: i,indcrd,ptrcrd,rhscrd,totcrd,valcrd,& & nrow,ncol,nnzero, neltvl, nrhs, nrhsix iret = 0 if (present(filename)) then if (filename == '-') then iout=6 else if (present(iunit)) then iout = iunit else iout=99 endif open(iout,file=filename, err=901, action='WRITE') endif else if (present(iunit)) then iout = iunit 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 call acsc%cp_from_fmt(a%a, iret) if (iret /= 0) return nrow = acsc%get_nrows() ncol = acsc%get_ncols() nnzero = acsc%get_nzeros() neltvl = 0 ptrcrd = (ncol+1)/jptr if (mod(ncol+1,jptr) > 0) ptrcrd = ptrcrd + 1 indcrd = nnzero/jind if (mod(nnzero,jind) > 0) indcrd = indcrd + 1 valcrd = nnzero/jval if (mod(nnzero,jval) > 0) valcrd = valcrd + 1 rhstype = '' if (present(rhs)) then if (size(rhs) 0) rhscrd = rhscrd + 1 endif nrhs = 1 rhstype(1:1) = 'F' else rhscrd = 0 nrhs = 0 end if totcrd = ptrcrd + indcrd + valcrd + rhscrd nrhsix = nrhs*nrow if (present(g)) then rhstype(2:2) = 'G' end if if (present(x)) then rhstype(3:3) = 'X' end if type = 'CUA' write (iout,fmt=fmt10) mtitle_,key_,totcrd,ptrcrd,indcrd,valcrd,rhscrd,& & type,nrow,ncol,nnzero,neltvl,ptrfmt,indfmt,valfmt,rhsfmt if (rhscrd > 0) write (iout,fmt=fmt11) rhstype,nrhs,nrhsix write (iout,fmt=ptrfmt) (acsc%icp(i),i=1,ncol+1) write (iout,fmt=indfmt) (acsc%ia(i),i=1,nnzero) if (valcrd > 0) write (iout,fmt=valfmt) (acsc%val(i),i=1,nnzero) if (rhscrd > 0) write (iout,fmt=rhsfmt) (rhs(i),i=1,nrow) if (present(g).and.(rhscrd>0)) write (iout,fmt=rhsfmt) (g(i),i=1,nrow) if (present(x).and.(rhscrd>0)) write (iout,fmt=rhsfmt) (x(i),i=1,nrow) if (iout /= 6) close(iout) return 901 continue iret=901 write(psb_err_unit,*) 'Error while opening ',filename return end subroutine chb_write