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455 lines
12 KiB
Fortran
455 lines
12 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 3.4
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!!$ (C) Copyright 2006, 2010, 2015
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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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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subroutine mm_dvet_read(b, info, iunit, filename)
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use psb_base_mod
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implicit none
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real(psb_dpk_), allocatable, intent(out) :: b(:)
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j, infile
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character :: mmheader*15, fmt*15, object*10, type*10, sym*15,&
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& line*1024
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info = psb_success_
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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=*, end=902) mmheader, object, fmt, type, sym
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if ( (object /= 'matrix').or.(fmt /= 'array')) then
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write(psb_err_unit,*) 'read_rhs: input file type not yet supported'
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info = -3
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return
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end if
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do
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read(infile,fmt='(a)') line
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if (line(1:1) /= '%') exit
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end do
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read(line,fmt=*)nrow,ncol
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if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
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allocate(b(nrow),stat = ircode)
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if (ircode /= 0) goto 993
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do i=1,nrow
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read(infile,fmt=*,end=902) b(i)
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end do
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end if ! read right hand sides
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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 write(psb_err_unit,*) 'mm_vet_read: could not open file ',&
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& infile,' for input'
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info = -1
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return
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902 write(psb_err_unit,*) 'mmv_vet_read: unexpected end of file ',infile,&
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& ' during input'
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info = -2
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return
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993 write(psb_err_unit,*) 'mm_vet_read: memory allocation failure'
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info = -3
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return
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end subroutine mm_dvet_read
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subroutine mm_dvet2_read(b, info, iunit, filename)
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use psb_base_mod
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implicit none
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real(psb_dpk_), allocatable, intent(out) :: b(:,:)
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j, infile
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character :: mmheader*15, fmt*15, object*10, type*10, sym*15,&
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& line*1024
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info = psb_success_
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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=*, end=902) mmheader, object, fmt, type, sym
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if ( (object /= 'matrix').or.(fmt /= 'array')) then
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write(psb_err_unit,*) 'read_rhs: input file type not yet supported'
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info = -3
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return
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end if
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do
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read(infile,fmt='(a)') line
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if (line(1:1) /= '%') exit
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end do
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read(line,fmt=*)nrow,ncol
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if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
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allocate(b(nrow,ncol),stat = ircode)
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if (ircode /= 0) goto 993
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read(infile,fmt=*,end=902) ((b(i,j), i=1,nrow),j=1,ncol)
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end if ! read right hand sides
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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 write(psb_err_unit,*) 'mm_vet_read: could not open file ',&
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& infile,' for input'
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info = -1
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return
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902 write(psb_err_unit,*) 'mmv_vet_read: unexpected end of file ',infile,&
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& ' during input'
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info = -2
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return
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993 write(psb_err_unit,*) 'mm_vet_read: memory allocation failure'
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info = -3
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return
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end subroutine mm_dvet2_read
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subroutine mm_dvet2_write(b, header, info, iunit, filename)
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use psb_base_mod
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implicit none
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real(psb_dpk_), intent(in) :: b(:,:)
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character(len=*), intent(in) :: header
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j, outfile
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character(len=80) :: frmtv
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info = psb_success_
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if (present(filename)) then
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if (filename == '-') then
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outfile=6
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else
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if (present(iunit)) then
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outfile=iunit
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else
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outfile=99
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endif
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open(outfile,file=filename, err=901, action='WRITE')
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endif
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else
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if (present(iunit)) then
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outfile=iunit
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else
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outfile=6
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endif
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endif
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write(outfile,'(a)') '%%MatrixMarket matrix array real general'
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write(outfile,'(a)') '% '//trim(header)
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write(outfile,'(a)') '% '
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nrow = size(b,1)
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ncol = size(b,2)
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write(outfile,*) nrow, ncol
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write(outfile,fmt='(es26.18,1x)') ((b(i,j), i=1,nrow),j=1,ncol)
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if (outfile /= 6) close(outfile)
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return
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! open failed
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901 write(psb_err_unit,*) 'mm_vet_write: could not open file ',&
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& outfile,' for output'
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info = -1
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return
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end subroutine mm_dvet2_write
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subroutine mm_dvet1_write(b, header, info, iunit, filename)
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use psb_base_mod
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implicit none
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real(psb_dpk_), intent(in) :: b(:)
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character(len=*), intent(in) :: header
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer(psb_ipk_) :: nrow, ncol, i,root, np, me, ircode, j, outfile
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character(len=80) :: frmtv
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info = psb_success_
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if (present(filename)) then
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if (filename == '-') then
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outfile=6
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else
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if (present(iunit)) then
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outfile=iunit
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else
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outfile=99
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endif
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open(outfile,file=filename, err=901, action='WRITE')
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endif
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else
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if (present(iunit)) then
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outfile=iunit
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else
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outfile=6
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endif
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endif
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write(outfile,'(a)') '%%MatrixMarket matrix array real general'
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write(outfile,'(a)') '% '//trim(header)
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write(outfile,'(a)') '% '
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nrow = size(b,1)
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ncol = 1
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write(outfile,*) nrow,ncol
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write(frmtv,'(a,i0,a)') '(',ncol,'(es26.18,1x))'
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do i=1,size(b,1)
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write(outfile,frmtv) b(i)
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end do
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if (outfile /= 6) close(outfile)
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return
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! open failed
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901 write(psb_err_unit,*) 'mm_vet_write: could not open file ',&
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& outfile,' for output'
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info = -1
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return
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end subroutine mm_dvet1_write
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subroutine dmm_mat_read(a, info, iunit, filename)
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use psb_base_mod
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implicit none
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type(psb_dspmat_type), intent(out) :: a
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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character :: mmheader*15, fmt*15, object*10, type*10, sym*15
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character(1024) :: line
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integer(psb_ipk_) :: nrow, ncol, nnzero
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integer(psb_ipk_) :: ircode, i,nzr,infile
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type(psb_d_coo_sparse_mat), allocatable :: acoo
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info = psb_success_
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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=*,end=902) mmheader, object, fmt, type, sym
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if ( (psb_tolower(object) /= 'matrix').or.(psb_tolower(fmt) /= 'coordinate')) then
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write(psb_err_unit,*) 'READ_MATRIX: input file type not yet supported'
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info=909
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return
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end if
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do
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read(infile,fmt='(a)') line
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if (line(1:1) /= '%') exit
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end do
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read(line,fmt=*) nrow,ncol,nnzero
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allocate(acoo, stat=ircode)
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if (ircode /= 0) goto 993
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if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
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call acoo%allocate(nrow,ncol,nnzero)
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do i=1,nnzero
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read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i),acoo%val(i)
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end do
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call acoo%set_nzeros(nnzero)
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else if ((psb_tolower(type) == 'pattern').and.(psb_tolower(sym) == 'general')) then
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call acoo%allocate(nrow,ncol,nnzero)
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do i=1,nnzero
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read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i)
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end do
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acoo%val(:) = done
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call acoo%set_nzeros(nnzero)
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else if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'symmetric')) 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 acoo%allocate(nrow,ncol,2*nnzero)
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do i=1,nnzero
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read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i),acoo%val(i)
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end do
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nzr = nnzero
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do i=1,nnzero
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if (acoo%ia(i) /= acoo%ja(i)) then
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nzr = nzr + 1
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acoo%val(nzr) = acoo%val(i)
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acoo%ia(nzr) = acoo%ja(i)
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acoo%ja(nzr) = acoo%ia(i)
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end if
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end do
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call acoo%set_nzeros(nzr)
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else if ((psb_tolower(type) == 'pattern').and.(psb_tolower(sym) == 'symmetric')) then
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call acoo%allocate(nrow,ncol,2*nnzero)
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do i=1,nnzero
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read(infile,fmt=*,end=902,err=905) acoo%ia(i),acoo%ja(i)
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end do
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acoo%val(:) = done
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nzr = nnzero
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do i=1,nnzero
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if (acoo%ia(i) /= acoo%ja(i)) then
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nzr = nzr + 1
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acoo%ia(nzr) = acoo%ja(i)
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acoo%ja(nzr) = acoo%ia(i)
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end if
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end do
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call acoo%set_nzeros(nzr)
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else
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write(psb_err_unit,*) 'read_matrix: matrix type not yet supported'
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info=904
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end if
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if (info == 0) then
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call acoo%fix(info)
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call a%mv_from(acoo)
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call a%cscnv(ircode,type='csr')
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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 info=901
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write(psb_err_unit,*) 'read_matrix: could not open file ',filename,' for input'
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return
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902 info=902
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write(psb_err_unit,*) 'READ_MATRIX: Unexpected end of file '
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return
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905 info=905
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write(psb_err_unit,*) 'READ_MATRIX: Error at line',i
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return
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993 info=993
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write(psb_err_unit,*) 'READ_MATRIX: Memory allocation failure'
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return
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end subroutine dmm_mat_read
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subroutine dmm_mat_write(a,mtitle,info,iunit,filename)
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use psb_base_mod
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implicit none
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type(psb_dspmat_type), intent(in) :: a
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integer(psb_ipk_), intent(out) :: info
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character(len=*), intent(in) :: mtitle
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integer(psb_ipk_), optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer(psb_ipk_) :: iout
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info = psb_success_
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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(iunit)) then
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iout = iunit
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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(iunit)) then
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iout = iunit
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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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call a%print(iout,head=mtitle)
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if (iout /= 6) close(iout)
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return
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901 continue
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info=901
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write(psb_err_unit,*) 'Error while opening ',filename
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return
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end subroutine dmm_mat_write
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