You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
380 lines
11 KiB
Fortran
380 lines
11 KiB
Fortran
!!$
|
|
!!$ 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_mmio_mod
|
|
|
|
public mm_mat_read, mm_mat_write
|
|
interface mm_mat_read
|
|
module procedure dmm_mat_read, zmm_mat_read
|
|
end interface
|
|
interface mm_mat_write
|
|
module procedure dmm_mat_write,zmm_mat_write
|
|
end interface
|
|
|
|
contains
|
|
|
|
subroutine dmm_mat_read(a, iret, iunit, filename)
|
|
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
|
|
character :: mmheader*15, fmt*15, object*10, type*10, sym*15
|
|
character(1024) :: line
|
|
integer :: nrow, ncol, nnzero, neltvl, nrhs, nrhsix
|
|
integer :: ircode, i,iel,nzr,infile, j
|
|
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=*,end=902) mmheader, object, fmt, type, sym
|
|
|
|
if ( (tolower(object) /= 'matrix').or.(tolower(fmt)/='coordinate')) then
|
|
write(0,*) 'READ_MATRIX: input file type not yet supported'
|
|
iret=909
|
|
return
|
|
end if
|
|
if (debug) write(*,*) mmheader,':', object, ':',fmt,':', type,':', sym
|
|
|
|
do
|
|
read(infile,fmt='(a)') line
|
|
if (line(1:1) /= '%') exit
|
|
end do
|
|
if (debug) write(*,*) 'Line on input : "',line,'"'
|
|
read(line,fmt=*) nrow,ncol,nnzero
|
|
if (debug) write(*,*) 'Out: ',nrow,ncol,nnzero
|
|
|
|
if ((tolower(type) == 'real').and.(tolower(sym) == 'general')) then
|
|
call psb_sp_all(nrow,ncol,a,nnzero,ircode)
|
|
a%fida = 'COO'
|
|
a%descra = 'G'
|
|
if (ircode /= 0) goto 993
|
|
do i=1,nnzero
|
|
read(infile,fmt=*,end=902) a%ia1(i),a%ia2(i),a%aspk(i)
|
|
end do
|
|
a%infoa(psb_nnz_) = nnzero
|
|
call psb_spcnv(a,ircode,afmt='csr')
|
|
|
|
else if ((tolower(type) == 'real').and.(tolower(sym) == 'symmetric')) 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)
|
|
a%fida = 'COO'
|
|
a%descra = 'G'
|
|
if (ircode /= 0) goto 993
|
|
do i=1,nnzero
|
|
read(infile,fmt=*,end=902) a%ia1(i),a%ia2(i),a%aspk(i)
|
|
end do
|
|
|
|
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_spcnv(a,ircode,afmt='csr')
|
|
|
|
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,*) 'READ_MATRIX: Unexpected end of file '
|
|
return
|
|
993 iret=993
|
|
write(0,*) 'READ_MATRIX: Memory allocation failure'
|
|
return
|
|
end subroutine dmm_mat_read
|
|
|
|
|
|
|
|
|
|
|
|
subroutine dmm_mat_write(a,mtitle,iret,iunit,filename)
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_dspmat_type), intent(in) :: a
|
|
integer, intent(out) :: iret
|
|
character(len=*), intent(in) :: mtitle
|
|
integer, optional, intent(in) :: iunit
|
|
character(len=*), optional, intent(in) :: filename
|
|
integer :: iout
|
|
|
|
|
|
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
|
|
|
|
call psb_csprt(iout,a,head=mtitle)
|
|
|
|
if (iout /= 6) close(iout)
|
|
|
|
|
|
return
|
|
|
|
901 continue
|
|
iret=901
|
|
write(0,*) 'Error while opening ',filename
|
|
return
|
|
end subroutine dmm_mat_write
|
|
|
|
|
|
|
|
subroutine zmm_mat_read(a, iret, iunit, filename)
|
|
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
|
|
character :: mmheader*15, fmt*15, object*10, type*10, sym*15
|
|
character(1024) :: line
|
|
integer :: nrow, ncol, nnzero, neltvl, nrhs, nrhsix
|
|
integer :: ircode, i,iel,nzr,infile,j
|
|
real(kind(1.d0)) :: are, aim
|
|
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=*,end=902) mmheader, object, fmt, type, sym
|
|
|
|
if ( (tolower(object) /= 'matrix').or.(tolower(fmt)/='coordinate')) then
|
|
write(0,*) 'READ_MATRIX: input file type not yet supported'
|
|
iret=909
|
|
return
|
|
end if
|
|
if (debug) write(*,*) mmheader,':', object, ':',fmt,':', type,':', sym
|
|
|
|
do
|
|
read(infile,fmt='(a)') line
|
|
if (line(1:1) /= '%') exit
|
|
end do
|
|
if (debug) write(*,*) 'Line on input : "',line,'"'
|
|
read(line,fmt=*) nrow,ncol,nnzero
|
|
if (debug) write(*,*) 'Out: ',nrow,ncol,nnzero
|
|
|
|
if ((tolower(type) == 'complex').and.(tolower(sym) == 'general')) then
|
|
call psb_sp_all(nrow,ncol,a,nnzero,ircode)
|
|
if (ircode /= 0) goto 993
|
|
a%fida = 'COO'
|
|
a%descra = 'G'
|
|
do i=1,nnzero
|
|
read(infile,fmt=*,end=902) a%ia1(i),a%ia2(i),are,aim
|
|
a%aspk(i) = cmplx(are,aim)
|
|
end do
|
|
a%infoa(psb_nnz_) = nnzero
|
|
|
|
call psb_spcnv(a,ircode,afmt='csr')
|
|
|
|
else if ((tolower(type) == 'complex').and.(tolower(sym) == 'symmetric')) 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) goto 993
|
|
a%fida = 'COO'
|
|
a%descra = 'G'
|
|
do i=1,nnzero
|
|
read(infile,fmt=*,end=902) a%ia1(i),a%ia2(i),are,aim
|
|
a%aspk(i) = cmplx(are,aim)
|
|
end do
|
|
|
|
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_spcnv(a,ircode,afmt='csr')
|
|
|
|
else if ((tolower(type) == 'complex').and.(tolower(sym) == 'hermitian')) 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) goto 993
|
|
a%fida = 'COO'
|
|
a%descra = 'G'
|
|
do i=1,nnzero
|
|
read(infile,fmt=*,end=902) a%ia1(i),a%ia2(i),are,aim
|
|
a%aspk(i) = cmplx(are,aim)
|
|
end do
|
|
|
|
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_spcnv(a,ircode,afmt='csr')
|
|
|
|
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,*) 'READ_MATRIX: Unexpected end of file '
|
|
return
|
|
993 iret=993
|
|
write(0,*) 'READ_MATRIX: Memory allocation failure'
|
|
return
|
|
end subroutine zmm_mat_read
|
|
|
|
|
|
|
|
subroutine zmm_mat_write(a,mtitle,iret,iunit,filename)
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_zspmat_type), intent(in) :: a
|
|
integer, intent(out) :: iret
|
|
character(len=*), intent(in) :: mtitle
|
|
integer, optional, intent(in) :: iunit
|
|
character(len=*), optional, intent(in) :: filename
|
|
integer :: iout
|
|
|
|
|
|
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
|
|
|
|
call psb_csprt(iout,a,head=mtitle)
|
|
|
|
if (iout /= 6) close(iout)
|
|
|
|
|
|
return
|
|
|
|
901 continue
|
|
iret=901
|
|
write(0,*) 'Error while opening ',filename
|
|
return
|
|
end subroutine zmm_mat_write
|
|
|
|
|
|
end module psb_mmio_mod
|