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995 lines
27 KiB
Fortran
995 lines
27 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 2.2
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!!$ (C) Copyright 2006/2007/2008
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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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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module psb_mmio_mod
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public mm_mat_read, mm_mat_write, mm_vet_read
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interface mm_mat_read
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module procedure smm_mat_read, dmm_mat_read, cmm_mat_read, zmm_mat_read
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end interface
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interface mm_mat_write
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module procedure smm_mat_write, dmm_mat_write, cmm_mat_write, zmm_mat_write
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end interface
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interface mm_vet_read
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module procedure mm_svet_read, mm_dvet_read, mm_cvet_read, mm_zvet_read
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end interface
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contains
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subroutine mm_svet_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_spk_), allocatable, intent(out) :: b(:,:)
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integer, intent(out) :: info
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integer, optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer :: 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 = 0
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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(0,*) '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(0,*) '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(0,*) '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(0,*) 'mm_vet_read: memory allocation failure'
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info = -3
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return
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end subroutine mm_svet_read
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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, intent(out) :: info
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integer, optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer :: 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 = 0
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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(0,*) '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(0,*) '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(0,*) '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(0,*) '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_cvet_read(b, info, iunit, filename)
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use psb_base_mod
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implicit none
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complex(psb_spk_), allocatable, intent(out) :: b(:,:)
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integer, intent(out) :: info
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integer, optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer :: nrow, ncol, i,root, np, me, ircode, j,infile
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real(psb_spk_) :: bre, bim
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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 = 0
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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(0,*) '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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do j=1, ncol
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do i=1, nrow
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read(infile,fmt=*,end=902) bre,bim
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b(i,j) = cmplx(bre,bim,kind=psb_spk_)
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end do
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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(0,*) '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(0,*) '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(0,*) 'mm_vet_read: memory allocation failure'
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info = -3
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return
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end subroutine mm_cvet_read
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subroutine mm_zvet_read(b, info, iunit, filename)
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use psb_base_mod
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implicit none
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complex(psb_dpk_), allocatable, intent(out) :: b(:,:)
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integer, intent(out) :: info
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integer, optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer :: nrow, ncol, i,root, np, me, ircode, j,infile
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real(psb_dpk_) :: bre, bim
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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 = 0
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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(0,*) '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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do j=1, ncol
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do i=1, nrow
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read(infile,fmt=*,end=902) bre,bim
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b(i,j) = cmplx(bre,bim,kind=psb_dpk_)
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end do
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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(0,*) '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(0,*) '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(0,*) 'mm_vet_read: memory allocation failure'
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info = -3
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return
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end subroutine mm_zvet_read
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subroutine smm_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_sspmat_type), intent(out) :: a
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integer, intent(out) :: info
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integer, 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 :: nrow, ncol, nnzero
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integer :: ircode, i,nzr,infile
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info = 0
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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(0,*) '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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if ((psb_tolower(type) == 'real').and.(psb_tolower(sym) == 'general')) then
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call psb_sp_all(nrow,ncol,a,nnzero,ircode)
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a%fida = 'COO'
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a%descra = 'G'
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if (ircode /= 0) goto 993
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do i=1,nnzero
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read(infile,fmt=*,end=902) a%ia1(i),a%ia2(i),a%aspk(i)
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end do
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a%infoa(psb_nnz_) = nnzero
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call psb_spcnv(a,ircode,afmt='csr')
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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 psb_sp_all(nrow,ncol,a,2*nnzero,ircode)
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a%fida = 'COO'
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a%descra = 'G'
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if (ircode /= 0) goto 993
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do i=1,nnzero
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read(infile,fmt=*,end=902) a%ia1(i),a%ia2(i),a%aspk(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 (a%ia1(i) /= a%ia2(i)) then
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nzr = nzr + 1
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a%aspk(nzr) = a%aspk(i)
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a%ia1(nzr) = a%ia2(i)
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a%ia2(nzr) = a%ia1(i)
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end if
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end do
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a%infoa(psb_nnz_) = nzr
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call psb_spcnv(a,ircode,afmt='csr')
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else
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write(0,*) 'read_matrix: matrix type not yet supported'
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info=904
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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(0,*) '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(0,*) 'READ_MATRIX: Unexpected end of file '
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return
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993 info=993
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write(0,*) 'READ_MATRIX: Memory allocation failure'
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return
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end subroutine smm_mat_read
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subroutine smm_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_sspmat_type), intent(in) :: a
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integer, intent(out) :: info
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character(len=*), intent(in) :: mtitle
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integer, optional, intent(in) :: iunit
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character(len=*), optional, intent(in) :: filename
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integer :: iout
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info = 0
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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 psb_csprt(iout,a,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(0,*) 'Error while opening ',filename
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return
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end subroutine smm_mat_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_d_sparse_mat), intent(out) :: a
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integer, intent(out) :: info
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integer, 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 :: nrow, ncol, nnzero
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integer :: ircode, i,nzr,infile
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type(psb_d_coo_sparse_mat), allocatable :: acoo
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info = 0
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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
|
|
|
|
if ( (psb_tolower(object) /= 'matrix').or.(psb_tolower(fmt)/='coordinate')) then
|
|
write(0,*) '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) 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,nnzero)
|
|
do i=1,nnzero
|
|
read(infile,fmt=*,end=902) 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(0,*) 'read_matrix: matrix type not yet supported'
|
|
info=904
|
|
end if
|
|
|
|
|
|
if (infile/=5) close(infile)
|
|
|
|
|
|
return
|
|
|
|
! open failed
|
|
901 info=901
|
|
write(0,*) 'read_matrix: could not open file ',filename,' for input'
|
|
return
|
|
902 info=902
|
|
write(0,*) 'READ_MATRIX: Unexpected end of file '
|
|
return
|
|
993 info=993
|
|
write(0,*) 'READ_MATRIX: Memory allocation failure'
|
|
return
|
|
end subroutine dmm_mat_read
|
|
|
|
|
|
subroutine dmm_mat_write(a,mtitle,info,iunit,filename)
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_d_sparse_mat), intent(in) :: a
|
|
integer, intent(out) :: info
|
|
character(len=*), intent(in) :: mtitle
|
|
integer, optional, intent(in) :: iunit
|
|
character(len=*), optional, intent(in) :: filename
|
|
integer :: iout
|
|
|
|
|
|
info = 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 a%print(iout,head=mtitle)
|
|
|
|
if (iout /= 6) close(iout)
|
|
|
|
|
|
return
|
|
|
|
901 continue
|
|
info=901
|
|
write(0,*) 'Error while opening ',filename
|
|
return
|
|
end subroutine dmm_mat_write
|
|
|
|
subroutine cmm_mat_read(a, info, iunit, filename)
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_cspmat_type), intent(out) :: a
|
|
integer, intent(out) :: info
|
|
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
|
|
integer :: ircode, i,nzr,infile
|
|
real(psb_spk_) :: are, aim
|
|
|
|
info = 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 ( (psb_tolower(object) /= 'matrix').or.(psb_tolower(fmt)/='coordinate')) then
|
|
write(0,*) '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
|
|
|
|
if ((psb_tolower(type) == 'complex').and.(psb_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,kind=psb_spk_)
|
|
end do
|
|
a%infoa(psb_nnz_) = nnzero
|
|
|
|
call psb_spcnv(a,ircode,afmt='csr')
|
|
|
|
else if ((psb_tolower(type) == 'complex').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 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,kind=psb_spk_)
|
|
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 ((psb_tolower(type) == 'complex').and.(psb_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,kind=psb_spk_)
|
|
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'
|
|
info=904
|
|
end if
|
|
if (infile/=5) close(infile)
|
|
return
|
|
|
|
! open failed
|
|
901 info=901
|
|
write(0,*) 'read_matrix: could not open file ',filename,' for input'
|
|
return
|
|
902 info=902
|
|
write(0,*) 'READ_MATRIX: Unexpected end of file '
|
|
return
|
|
993 info=993
|
|
write(0,*) 'READ_MATRIX: Memory allocation failure'
|
|
return
|
|
end subroutine cmm_mat_read
|
|
|
|
|
|
|
|
subroutine cmm_mat_write(a,mtitle,info,iunit,filename)
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_cspmat_type), intent(in) :: a
|
|
integer, intent(out) :: info
|
|
character(len=*), intent(in) :: mtitle
|
|
integer, optional, intent(in) :: iunit
|
|
character(len=*), optional, intent(in) :: filename
|
|
integer :: iout
|
|
|
|
|
|
info = 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
|
|
info=901
|
|
write(0,*) 'Error while opening ',filename
|
|
return
|
|
end subroutine cmm_mat_write
|
|
|
|
subroutine zmm_mat_read(a, info, iunit, filename)
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_zspmat_type), intent(out) :: a
|
|
integer, intent(out) :: info
|
|
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
|
|
integer :: ircode, i,nzr,infile
|
|
real(psb_dpk_) :: are, aim
|
|
|
|
info = 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 ( (psb_tolower(object) /= 'matrix').or.(psb_tolower(fmt)/='coordinate')) then
|
|
write(0,*) '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
|
|
|
|
if ((psb_tolower(type) == 'complex').and.(psb_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,kind=psb_dpk_)
|
|
end do
|
|
a%infoa(psb_nnz_) = nnzero
|
|
|
|
call psb_spcnv(a,ircode,afmt='csr')
|
|
|
|
else if ((psb_tolower(type) == 'complex').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 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,kind=psb_dpk_)
|
|
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 ((psb_tolower(type) == 'complex').and.(psb_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,kind=psb_dpk_)
|
|
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'
|
|
info=904
|
|
end if
|
|
if (infile/=5) close(infile)
|
|
return
|
|
|
|
! open failed
|
|
901 info=901
|
|
write(0,*) 'read_matrix: could not open file ',filename,' for input'
|
|
return
|
|
902 info=902
|
|
write(0,*) 'READ_MATRIX: Unexpected end of file '
|
|
return
|
|
993 info=993
|
|
write(0,*) 'READ_MATRIX: Memory allocation failure'
|
|
return
|
|
end subroutine zmm_mat_read
|
|
|
|
|
|
|
|
subroutine zmm_mat_write(a,mtitle,info,iunit,filename)
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_zspmat_type), intent(in) :: a
|
|
integer, intent(out) :: info
|
|
character(len=*), intent(in) :: mtitle
|
|
integer, optional, intent(in) :: iunit
|
|
character(len=*), optional, intent(in) :: filename
|
|
integer :: iout
|
|
|
|
|
|
info = 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
|
|
info=901
|
|
write(0,*) 'Error while opening ',filename
|
|
return
|
|
end subroutine zmm_mat_write
|
|
|
|
|
|
end module psb_mmio_mod
|