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psblas3/util/psb_s_mmio_impl.f90

590 lines
15 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! 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 mm_svet_read(b, info, iunit, filename)
use psb_base_mod
implicit none
real(psb_spk_), allocatable, intent(out) :: b(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j,infile
character :: mmheader*15, fmt*15, object*10, type*10, sym*15,&
& line*1024
info = psb_success_
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 ( (object /= 'matrix').or.(fmt /= 'array')) then
write(psb_err_unit,*) 'read_rhs: input file type not yet supported'
info = -3
return
end if
do
read(infile,fmt='(a)') line
if (line(1:1) /= '%') exit
end do
read(line,fmt=*)nrow,ncol
if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
allocate(b(nrow),stat = ircode)
if (ircode /= 0) goto 993
do i=1,nrow
read(infile,fmt=*,end=902) b(i)
end do
end if ! read right hand sides
if (infile /= 5) close(infile)
return
! open failed
901 write(psb_err_unit,*) 'mm_vet_read: could not open file ',&
& infile,' for input'
info = -1
return
902 write(psb_err_unit,*) 'mmv_vet_read: unexpected end of file ',infile,&
& ' during input'
info = -2
return
993 write(psb_err_unit,*) 'mm_vet_read: memory allocation failure'
info = -3
return
end subroutine mm_svet_read
subroutine mm_svet2_read(b, info, iunit, filename)
use psb_base_mod
implicit none
real(psb_spk_), allocatable, intent(out) :: b(:,:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j,infile
character :: mmheader*15, fmt*15, object*10, type*10, sym*15,&
& line*1024
info = psb_success_
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 ( (object /= 'matrix').or.(fmt /= 'array')) then
write(psb_err_unit,*) 'read_rhs: input file type not yet supported'
info = -3
return
end if
do
read(infile,fmt='(a)') line
if (line(1:1) /= '%') exit
end do
read(line,fmt=*)nrow,ncol
if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
allocate(b(nrow,ncol),stat = ircode)
if (ircode /= 0) goto 993
read(infile,fmt=*,end=902) ((b(i,j), i=1,nrow),j=1,ncol)
end if ! read right hand sides
if (infile /= 5) close(infile)
return
! open failed
901 write(psb_err_unit,*) 'mm_vet_read: could not open file ',&
& infile,' for input'
info = -1
return
902 write(psb_err_unit,*) 'mmv_vet_read: unexpected end of file ',infile,&
& ' during input'
info = -2
return
993 write(psb_err_unit,*) 'mm_vet_read: memory allocation failure'
info = -3
return
end subroutine mm_svet2_read
subroutine mm_svet2_write(b, header, info, iunit, filename)
use psb_base_mod
implicit none
real(psb_spk_), intent(in) :: b(:,:)
character(len=*), intent(in) :: header
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j, outfile
character(len=80) :: frmtv
info = psb_success_
if (present(filename)) then
if (filename == '-') then
outfile=6
else
if (present(iunit)) then
outfile=iunit
else
outfile=99
endif
open(outfile,file=filename, err=901, action='WRITE')
endif
else
if (present(iunit)) then
outfile=iunit
else
outfile=6
endif
endif
write(outfile,'(a)') '%%MatrixMarket matrix array real general'
write(outfile,'(a)') '% '//trim(header)
write(outfile,'(a)') '% '
nrow = size(b,1)
ncol = size(b,2)
write(outfile,*) nrow,ncol
write(outfile,fmt='(es26.18,1x)') ((b(i,j), i=1,nrow),j=1,ncol)
if (outfile /= 6) close(outfile)
return
! open failed
901 write(psb_err_unit,*) 'mm_vet_write: could not open file ',&
& outfile,' for output'
info = -1
return
end subroutine mm_svet2_write
subroutine mm_svet1_write(b, header, info, iunit, filename)
use psb_base_mod
implicit none
real(psb_spk_), intent(in) :: b(:)
character(len=*), intent(in) :: header
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j, outfile
character(len=80) :: frmtv
info = psb_success_
if (present(filename)) then
if (filename == '-') then
outfile=6
else
if (present(iunit)) then
outfile=iunit
else
outfile=99
endif
open(outfile,file=filename, err=901, action='WRITE')
endif
else
if (present(iunit)) then
outfile=iunit
else
outfile=6
endif
endif
write(outfile,'(a)') '%%MatrixMarket matrix array real general'
write(outfile,'(a)') '% '//trim(header)
write(outfile,'(a)') '% '
nrow = size(b,1)
ncol = 1
write(outfile,*) nrow,ncol
write(frmtv,'(a,i0,a)') '(',ncol,'(es26.18,1x))'
do i=1,size(b,1)
write(outfile,frmtv) b(i)
end do
if (outfile /= 6) close(outfile)
return
! open failed
901 write(psb_err_unit,*) 'mm_vet_write: could not open file ',&
& outfile,' for output'
info = -1
return
end subroutine mm_svet1_write
subroutine smm_mat_read(a, info, iunit, filename)
use psb_base_mod
implicit none
type(psb_sspmat_type), intent(out) :: a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), 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(psb_ipk_) :: nrow, ncol, nnzero
integer(psb_ipk_) :: ircode, i,nzr,infile
type(psb_s_coo_sparse_mat), allocatable :: acoo
info = psb_success_
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 ( (psb_tolower(object) /= 'matrix').or.(psb_tolower(fmt) /= 'coordinate')) then
write(psb_err_unit,*) 'READ_MATRIX: input file type not yet supported'
info=909
return
end if
do
read(infile,fmt='(a)') line
if (line(1:1) /= '%') exit
end do
read(line,fmt=*) nrow,ncol,nnzero
allocate(acoo, stat=ircode)
if (ircode /= 0) goto 993
if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
call acoo%allocate(nrow,ncol,nnzero)
do i=1,nnzero
read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i),acoo%val(i)
end do
call acoo%set_nzeros(nnzero)
call acoo%fix(info)
call a%mv_from(acoo)
call a%cscnv(ircode,type='csr')
else if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'symmetric')) then
! we are generally working with non-symmetric matrices, so
! we de-symmetrize what we are about to read
call acoo%allocate(nrow,ncol,2*nnzero)
do i=1,nnzero
read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i),acoo%val(i)
end do
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(info)
call a%mv_from(acoo)
call a%cscnv(ircode,type='csr')
else
write(psb_err_unit,*) 'read_matrix: matrix type not yet supported'
info=904
end if
if (infile /= 5) close(infile)
return
! open failed
901 info=901
write(psb_err_unit,*) 'read_matrix: could not open file ',filename,' for input'
return
902 info=902
write(psb_err_unit,*) 'READ_MATRIX: Unexpected end of file '
return
905 info=905
write(psb_err_unit,*) 'READ_MATRIX: Error at line',i
return
993 info=993
write(psb_err_unit,*) 'READ_MATRIX: Memory allocation failure'
return
end subroutine smm_mat_read
subroutine smm_mat_write(a,mtitle,info,iunit,filename)
use psb_base_mod
implicit none
type(psb_sspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
character(len=*), intent(in) :: mtitle
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
integer(psb_ipk_) :: iout
info = psb_success_
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 a%print(iout,head=mtitle)
if (iout /= 6) close(iout)
return
901 continue
info=901
write(psb_err_unit,*) 'Error while opening ',filename
return
end subroutine smm_mat_write
subroutine lsmm_mat_read(a, info, iunit, filename)
use psb_base_mod
implicit none
type(psb_lsspmat_type), intent(out) :: a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), 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(psb_lpk_) :: nrow, ncol, nnzero, i,nzr
integer(psb_ipk_) :: ircode,infile
type(psb_ls_coo_sparse_mat), allocatable :: acoo
info = psb_success_
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 ( (psb_tolower(object) /= 'matrix').or.(psb_tolower(fmt) /= 'coordinate')) then
write(psb_err_unit,*) 'READ_MATRIX: input file type not yet supported'
info=909
return
end if
do
read(infile,fmt='(a)') line
if (line(1:1) /= '%') exit
end do
read(line,fmt=*) nrow,ncol,nnzero
allocate(acoo, stat=ircode)
if (ircode /= 0) goto 993
if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
call acoo%allocate(nrow,ncol,nnzero)
do i=1,nnzero
read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i),acoo%val(i)
end do
call acoo%set_nzeros(nnzero)
call acoo%fix(info)
call a%mv_from(acoo)
call a%cscnv(ircode,type='csr')
else if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'symmetric')) then
! we are generally working with non-symmetric matrices, so
! we de-symmetrize what we are about to read
call acoo%allocate(nrow,ncol,2*nnzero)
do i=1,nnzero
read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i),acoo%val(i)
end do
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(info)
call a%mv_from(acoo)
call a%cscnv(ircode,type='csr')
else
write(psb_err_unit,*) 'read_matrix: matrix type not yet supported'
info=904
end if
if (infile /= 5) close(infile)
return
! open failed
901 info=901
write(psb_err_unit,*) 'read_matrix: could not open file ',filename,' for input'
return
902 info=902
write(psb_err_unit,*) 'READ_MATRIX: Unexpected end of file '
return
905 info=905
write(psb_err_unit,*) 'READ_MATRIX: Error at line',i
return
993 info=993
write(psb_err_unit,*) 'READ_MATRIX: Memory allocation failure'
return
end subroutine lsmm_mat_read
subroutine lsmm_mat_write(a,mtitle,info,iunit,filename)
use psb_base_mod
implicit none
type(psb_lsspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
character(len=*), intent(in) :: mtitle
integer(psb_ipk_), optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
integer(psb_ipk_) :: iout
info = psb_success_
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 a%print(iout,head=mtitle)
if (iout /= 6) close(iout)
return
901 continue
info=901
write(psb_err_unit,*) 'Error while opening ',filename
return
end subroutine lsmm_mat_write