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641 lines
18 KiB
Fortran
641 lines
18 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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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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module hbio
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use psb_sparse_mod
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public hb_read, hb_write
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interface hb_read
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module procedure dhb_read, zhb_read
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end interface
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interface hb_write
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module procedure dhb_write,zhb_write
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end interface
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contains
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subroutine dhb_read(a, iret, iunit, filename,b,mtitle)
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use psb_sparse_mod
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implicit none
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type(psb_dspmat_type), intent(out) :: a
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integer, intent(out) :: iret
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integer, optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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real(kind(1.d0)), optional, pointer :: b(:)
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character(len=72), optional, intent(out) :: mtitle
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character :: rhstype,type*3,key*8
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character indfmt*16,ptrfmt*16,rhsfmt*20,valfmt*20
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integer :: indcrd, ptrcrd, totcrd,&
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& valcrd, rhscrd, nrow, ncol, nnzero, neltvl, nrhs, nrhsix
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integer :: ircode, i,iel,ptr,nzr,infile,&
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& j, root, nprow, npcol, myprow, mypcol, info
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character(len=*), parameter :: fmt10='(a72,a8,/,5i14,/,a3,11x,4i14,/,2a16,2a20)'
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character(len=*), parameter :: fmt11='(a1,13x,2i14)'
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character(len=*), parameter :: fmt111='(1x,a8,1x,i8,1x,a10)'
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logical, parameter :: debug=.false.
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iret = 0
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if (present(filename)) then
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if (filename=='-') then
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infile=5
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else
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if (present(iunit)) then
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infile=iunit
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else
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infile=99
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endif
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open(infile,file=filename, status='OLD', err=901, action='READ')
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endif
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else
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if (present(iunit)) then
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infile=iunit
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else
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infile=5
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endif
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endif
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read (infile,fmt=fmt10) mtitle,key,totcrd,ptrcrd,indcrd,valcrd,rhscrd,&
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& type,nrow,ncol,nnzero,neltvl,ptrfmt,indfmt,valfmt,rhsfmt
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if (rhscrd.gt.0) read(infile,fmt=fmt11)rhstype,nrhs,nrhsix
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call psb_sp_all(a,nnzero,nrow+1,nnzero,ircode)
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if (ircode /= 0 ) then
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write(0,*) 'Memory allocation failed'
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goto 993
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end if
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a%m = nrow
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a%k = ncol
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a%fida = 'CSR'
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a%descra='G'
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if (tolower(type(1:1)) == 'r') then
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if (tolower(type(2:2)) == 'u') then
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read (infile,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1)
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read (infile,fmt=indfmt) (a%ia1(i),i=1,nnzero)
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if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
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if (present(b) .and. (rhscrd.gt.0)) then
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if (associated(b)) then
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if (size(b) < nrow) deallocate(b)
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endif
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if (.not.associated(b)) then
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allocate(b(nrow),stat=info)
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endif
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read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
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endif
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else if (tolower(type(2:2)) == 's') then
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! we are generally working with non-symmetric matrices, so
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! we de-symmetrize what we are about to read
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read (infile,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1)
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read (infile,fmt=indfmt) (a%ia1(i),i=1,nnzero)
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if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
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if (present(b) .and. (rhscrd.gt.0)) then
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if (associated(b)) then
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if (size(b) < nrow) deallocate(b)
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endif
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if (.not.associated(b)) then
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allocate(b(nrow),stat=info)
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endif
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read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
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endif
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call psb_ipcsr2coo(a,ircode)
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if (ircode /= 0) goto 993
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call psb_sp_reall(a,2*nnzero,ircode)
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! A is now in COO format
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nzr = nnzero
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do i=1,nnzero
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if (a%ia1(i) /= a%ia2(i)) then
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nzr = nzr + 1
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a%aspk(nzr) = a%aspk(i)
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a%ia1(nzr) = a%ia2(i)
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a%ia2(nzr) = a%ia1(i)
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end if
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end do
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a%infoa(psb_nnz_) = nzr
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call psb_ipcoo2csr(a,ircode)
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if (ircode /= 0) goto 993
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else
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write(0,*) 'read_matrix: matrix type not yet supported'
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iret=904
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end if
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else
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write(0,*) 'read_matrix: matrix type not yet supported'
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iret=904
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end if
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if (infile/=5) close(infile)
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return
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! open failed
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901 iret=901
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write(0,*) 'read_matrix: could not open file ',filename,' for input'
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return
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902 iret=902
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write(0,*) 'DHB_READ: Unexpected end of file '
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return
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993 iret=993
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write(0,*) 'DHB_READ: Memory allocation failure'
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return
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end subroutine dhb_read
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subroutine dhb_write(a,iret,eiout,filename,key,rhs,mtitle)
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use psb_sparse_mod
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implicit none
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type(psb_dspmat_type), intent(in) :: a
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integer, intent(out) :: iret
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character(len=*), optional, intent(in) :: mtitle
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integer, optional, intent(in) :: eiout
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character(len=*), optional, intent(in) :: filename
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character(len=*), optional, intent(in) :: key
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real(kind(1.d0)), optional :: rhs(:)
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integer :: iout
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character(len=*), parameter:: ptrfmt='(10I8)',indfmt='(10I8)'
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integer, parameter :: jptr=10,jind=10
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character(len=*), parameter:: valfmt='(4E20.12)',rhsfmt='(4E20.12)'
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integer, parameter :: jval=4,jrhs=4
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character(len=*), parameter :: fmt10='(a72,a8,/,5i14,/,a3,11x,4i14,/,2a16,2a20)'
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character(len=*), parameter :: fmt11='(a1,13x,2i14)'
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character(len=*), parameter :: fmt111='(1x,a8,1x,i8,1x,a10)'
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character(len=72) :: mtitle_
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character(len=8) :: key_
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character :: rhstype,type*3
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integer :: i,indcrd,nrhsvl,ptrcrd,rhscrd,totcrd,valcrd,&
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& nrow,ncol,nnzero, neltvl, nrhs, nrhsix
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iret = 0
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if (present(filename)) then
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if (filename=='-') then
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iout=6
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else
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if (present(eiout)) then
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iout = eiout
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else
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iout=99
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endif
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open(iout,file=filename, err=901, action='WRITE')
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endif
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else
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if (present(eiout)) then
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iout = eiout
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else
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iout=6
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endif
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endif
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if (present(mtitle)) then
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mtitle_ = mtitle
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else
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mtitle_ = 'Temporary PSBLAS title '
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endif
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if (present(key)) then
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key_ = key
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else
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key_ = 'PSBMAT00'
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endif
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if (toupper(a%fida) == 'CSR') then
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nrow = a%m
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ncol = a%k
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nnzero = a%ia2(nrow+1)-1
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neltvl = 0
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ptrcrd = (nrow+1)/jptr
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if (mod(nrow+1,jptr).gt.0) ptrcrd = ptrcrd + 1
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indcrd = nnzero/jind
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if (mod(nnzero,jind).gt.0) indcrd = indcrd + 1
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valcrd = nnzero/jval
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if (mod(nnzero,jval).gt.0) valcrd = valcrd + 1
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if (present(rhs)) then
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if (size(rhs)<nrow) then
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rhscrd = 0
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else
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rhscrd = nrow/jrhs
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if (mod(nrow,jrhs).gt.0) rhscrd = rhscrd + 1
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endif
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nrhs = 1
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else
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rhscrd = 0
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nrhs = 0
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end if
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totcrd = ptrcrd + indcrd + valcrd + rhscrd
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nrhsix = nrhs*nrow
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rhstype = 'F'
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type = 'RUA'
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write (iout,fmt=fmt10) mtitle_,key_,totcrd,ptrcrd,indcrd,valcrd,rhscrd,&
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& type,nrow,ncol,nnzero,neltvl,ptrfmt,indfmt,valfmt,rhsfmt
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if (rhscrd.gt.0) write (iout,fmt=fmt11) rhstype,nrhs,nrhsix
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write (iout,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1)
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write (iout,fmt=indfmt) (a%ia1(i),i=1,nnzero)
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if (valcrd.gt.0) write (iout,fmt=valfmt) (a%aspk(i),i=1,nnzero)
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if (rhscrd.gt.0) write (iout,fmt=rhsfmt) (rhs(i),i=1,nrow)
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else
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write(0,*) 'format: ',a%fida,' not yet implemented'
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endif
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if (iout /= 6) close(iout)
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return
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901 continue
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iret=901
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write(0,*) 'Error while opening ',filename
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return
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end subroutine dhb_write
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subroutine zhb_read(a, iret, iunit, filename,b,mtitle)
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use psb_sparse_mod
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implicit none
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type(psb_zspmat_type), intent(out) :: a
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integer, intent(out) :: iret
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integer, optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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real(kind(1.d0)), optional, pointer :: b(:)
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character(len=72), optional, intent(out) :: mtitle
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character :: rhstype,type*3,key*8
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character indfmt*16,ptrfmt*16,rhsfmt*20,valfmt*20
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integer :: indcrd, ptrcrd, totcrd,&
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& valcrd, rhscrd, nrow, ncol, nnzero, neltvl, nrhs, nrhsix
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integer :: ircode, i,iel,ptr,nzr,infile,&
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& j, root, nprow, npcol, myprow, mypcol, info
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character(len=*), parameter :: fmt10='(a72,a8,/,5i14,/,a3,11x,4i14,/,2a16,2a20)'
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character(len=*), parameter :: fmt11='(a1,13x,2i14)'
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character(len=*), parameter :: fmt111='(1x,a8,1x,i8,1x,a10)'
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logical, parameter :: debug=.false.
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iret = 0
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if (present(filename)) then
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if (filename=='-') then
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infile=5
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else
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if (present(iunit)) then
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infile=iunit
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else
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infile=99
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endif
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open(infile,file=filename, status='OLD', err=901, action='READ')
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endif
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else
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if (present(iunit)) then
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infile=iunit
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else
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infile=5
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endif
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endif
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read (infile,fmt=fmt10) mtitle,key,totcrd,ptrcrd,indcrd,valcrd,rhscrd,&
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& type,nrow,ncol,nnzero,neltvl,ptrfmt,indfmt,valfmt,rhsfmt
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if (rhscrd.gt.0) read(infile,fmt=fmt11)rhstype,nrhs,nrhsix
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if (tolower(type(1:1)) == 'c') then
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if (tolower(type(2:2)) == 'u') then
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call psb_sp_all(a,nnzero,nrow+1,nnzero,ircode)
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if (ircode /= 0 ) then
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write(0,*) 'Memory allocation failed'
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goto 993
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end if
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a%m = nrow
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a%k = ncol
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a%fida = 'CSR'
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a%descra='G'
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read (infile,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1)
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read (infile,fmt=indfmt) (a%ia1(i),i=1,nnzero)
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if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
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if (present(b) .and. (rhscrd.gt.0)) then
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if (associated(b)) then
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if (size(b) < nrow) deallocate(b)
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endif
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if (.not.associated(b)) then
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allocate(b(nrow),stat=info)
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endif
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read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
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endif
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else if (tolower(type(2:2)) == 's') then
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! we are generally working with non-symmetric matrices, so
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! we de-symmetrize what we are about to read
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call psb_sp_all(nrow,ncol,a,nnzero,ircode)
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if (ircode /= 0 ) then
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write(0,*) 'Memory allocation failed'
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goto 993
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end if
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a%fida = 'CSR'
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a%descra='G'
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read (infile,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1)
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read (infile,fmt=indfmt) (a%ia1(i),i=1,nnzero)
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if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
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if (present(b) .and. (rhscrd.gt.0)) then
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if (associated(b)) then
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if (size(b) < nrow) deallocate(b)
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endif
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if (.not.associated(b)) then
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allocate(b(nrow),stat=info)
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endif
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read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
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endif
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call psb_ipcsr2coo(a,ircode)
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if (ircode /= 0) then
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write(0,*) 'ipcsr2coo ',ircode
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goto 993
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end if
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call psb_sp_reall(a,2*nnzero,ircode)
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if (ircode /= 0 ) then
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write(0,*) 'Memory allocation failed'
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goto 993
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end if
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! A is now in COO format
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nzr = nnzero
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do i=1,nnzero
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if (a%ia1(i) /= a%ia2(i)) then
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nzr = nzr + 1
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a%aspk(nzr) = a%aspk(i)
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a%ia1(nzr) = a%ia2(i)
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a%ia2(nzr) = a%ia1(i)
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end if
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end do
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a%infoa(psb_nnz_) = nzr
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call psb_ipcoo2csr(a,ircode)
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if (ircode /= 0) then
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write(0,*) 'ipcoo2csr ',ircode
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goto 993
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end if
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else if (tolower(type(2:2)) == 'h') then
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! we are generally working with non-symmetric matrices, so
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! we de-symmetrize what we are about to read
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call psb_sp_all(nrow,ncol,a,2*nnzero,ircode)
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if (ircode /= 0 ) then
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write(0,*) 'Memory allocation failed'
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goto 993
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end if
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a%fida = 'CSR'
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a%descra='G'
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read (infile,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1)
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read (infile,fmt=indfmt) (a%ia1(i),i=1,nnzero)
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if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
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if (present(b) .and. (rhscrd.gt.0)) then
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if (associated(b)) then
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if (size(b) < nrow) deallocate(b)
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endif
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if (.not.associated(b)) then
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allocate(b(nrow),stat=info)
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endif
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read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
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endif
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call psb_ipcsr2coo(a,ircode)
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if (ircode /= 0) then
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write(0,*) 'ipcsr2coo ',ircode
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goto 993
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end if
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call psb_sp_reall(a,2*nnzero,ircode)
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if (ircode /= 0 ) then
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|
write(0,*) 'Memory allocation failed'
|
|
goto 993
|
|
end if
|
|
|
|
! 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) = conjg(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) then
|
|
write(0,*) 'ipcoo2csr ',ircode
|
|
goto 993
|
|
end if
|
|
|
|
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,*) 'ZHB_READ: Unexpected end of file '
|
|
return
|
|
993 iret=993
|
|
write(0,*) 'ZHB_READ: Memory allocation failure'
|
|
return
|
|
end subroutine zhb_read
|
|
|
|
|
|
|
|
|
|
subroutine zhb_write(a,iret,eiout,filename,key,rhs,mtitle)
|
|
use psb_sparse_mod
|
|
implicit none
|
|
type(psb_zspmat_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
|
|
complex(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)<nrow) then
|
|
rhscrd = 0
|
|
else
|
|
rhscrd = nrow/jrhs
|
|
if (mod(nrow,jrhs).gt.0) rhscrd = rhscrd + 1
|
|
endif
|
|
nrhs = 1
|
|
else
|
|
rhscrd = 0
|
|
nrhs = 0
|
|
end if
|
|
totcrd = ptrcrd + indcrd + valcrd + rhscrd
|
|
nrhsix = nrhs * nrow
|
|
rhstype='F'
|
|
type='CUA'
|
|
|
|
write (iout,fmt=fmt10) mtitle_,key_,totcrd,ptrcrd,indcrd,valcrd,rhscrd,&
|
|
& type,nrow,ncol,nnzero,neltvl,ptrfmt,indfmt,valfmt,rhsfmt
|
|
if (rhscrd.gt.0) write (iout,fmt=fmt11) rhstype,nrhs,nrhsix
|
|
write (iout,fmt=ptrfmt) (a%ia2(i),i=1,nrow+1)
|
|
write (iout,fmt=indfmt) (a%ia1(i),i=1,nnzero)
|
|
if (valcrd.gt.0) write (iout,fmt=valfmt) (a%aspk(i),i=1,nnzero)
|
|
if (rhscrd.gt.0) write (iout,fmt=rhsfmt) (rhs(i),i=1,nrow)
|
|
|
|
|
|
else
|
|
|
|
write(0,*) 'format: ',a%fida,' not yet implemented'
|
|
|
|
endif
|
|
|
|
if (iout /= 6) close(iout)
|
|
|
|
|
|
return
|
|
|
|
901 continue
|
|
iret=901
|
|
write(0,*) 'Error while opening ',filename
|
|
return
|
|
end subroutine zhb_write
|
|
|
|
|
|
end module hbio
|