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psblas3/util/psb_d_hbio_impl.f90

317 lines
9.7 KiB
Fortran

!!$
!!$ 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 dhb_read(a, iret, iunit, filename,b,g,x,mtitle)
use psb_base_mod
implicit none
type(psb_dspmat_type), intent(out) :: a
integer(psb_ipk_), intent(out) :: iret
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
real(psb_dpk_), 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(psb_ipk_) :: indcrd, ptrcrd, totcrd,&
& valcrd, rhscrd, nrow, ncol, nnzero, neltvl, nrhs, nrhsix
type(psb_d_csc_sparse_mat) :: acsc
type(psb_d_coo_sparse_mat) :: acoo
integer(psb_ipk_) :: 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)) == 'r') 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
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 dhb_read
subroutine dhb_write(a,iret,iunit,filename,key,rhs,g,x,mtitle)
use psb_base_mod
implicit none
type(psb_dspmat_type), intent(in), target :: a
integer(psb_ipk_), intent(out) :: iret
character(len=*), optional, intent(in) :: mtitle
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
character(len=*), optional, intent(in) :: key
real(psb_dpk_), optional :: rhs(:), g(:), x(:)
integer(psb_ipk_) :: iout
character(len=*), parameter:: ptrfmt='(10I8)',indfmt='(10I8)'
integer(psb_ipk_), parameter :: jptr=10,jind=10
character(len=*), parameter:: valfmt='(4E20.12)',rhsfmt='(4E20.12)'
integer(psb_ipk_), parameter :: jval=4,jrhs=4
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_d_csc_sparse_mat) :: acsc
character(len=72) :: mtitle_
character(len=8) :: key_
character :: rhstype*3,type*3
integer(psb_ipk_) :: 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)<nrow) then
rhscrd = 0
else
rhscrd = nrow/jrhs
if (mod(nrow,jrhs) > 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 = 'RUA'
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 dhb_write