!!$
!!$ 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 psb_hbio_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_base_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, allocatable :: 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, 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
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'
if (tolower(type(1:1)) == 'r') then
if (tolower(type(2:2)) == 'u') then
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
call psb_ensure_size(nrow,b,info)
if (info == 0) 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
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
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
call psb_ipcsr2coo(a,ircode)
if (ircode /= 0) goto 993
call psb_sp_reall(a,2*nnzero,ircode)
! 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,iunit,filename,key,rhs,mtitle)
use psb_base_mod
implicit none
type(psb_dspmat_type), intent(in) :: 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
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(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
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 = 'RUA'
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 dhb_write
subroutine zhb_read(a, iret, iunit, filename,b,mtitle)
use psb_base_mod
implicit none
type(psb_zspmat_type), intent(out) :: a
integer, intent(out) :: iret
integer, optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
real(kind(1.d0)), optional, allocatable :: 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, 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)) == 'c') 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
call psb_ensure_size(nrow,b,info)
if (info == 0) 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,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
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
call psb_ipcsr2coo(a,ircode)
if (ircode /= 0) then
write(0,*) 'ipcsr2coo ',ircode
goto 993
end if
call psb_sp_reall(a,2*nnzero,ircode)
if (ircode /= 0 ) then
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) = 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 if (tolower(type(2:2)) == 'h') 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
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
call psb_ipcsr2coo(a,ircode)
if (ircode /= 0) then
write(0,*) 'ipcsr2coo ',ircode
goto 993
end if
call psb_sp_reall(a,2*nnzero,ircode)
if (ircode /= 0 ) then
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,iunit,filename,key,rhs,mtitle)
use psb_base_mod
implicit none
type(psb_zspmat_type), intent(in) :: 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(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(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
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 psb_hbio_mod