psblas3/test/fileread/getp.f90

!!$ 
!!$              Parallel Sparse BLAS  version 3.0
!!$    (C) Copyright 2006, 2007, 2008, 2009, 2010
!!$                       Salvatore Filippone    University of Rome Tor Vergata
!!$                       Alfredo Buttari        CNRS-IRIT, Toulouse
!!$ 
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!!$  
Module getp
  interface get_parms
    module procedure get_dparms, get_sparms
  end interface

contains
  !
  ! Get iteration parameters from the command line
  !
  subroutine  get_dparms(ictxt,mtrx_file,rhs_file,filefmt,kmethd,ptype,ipart,&
       & afmt,istopc,itmax,itrace,irst,eps)
    use psb_base_mod
    integer      :: ictxt
    character(len=2)  :: filefmt
    character(len=40) :: kmethd, mtrx_file, rhs_file, ptype
    integer      :: iret, istopc,itmax,itrace,ipart,irst
    character(len=40) :: charbuf
    real(psb_dpk_) :: eps
    character    :: afmt*5
    integer      :: np, iam
    integer      :: inparms(40), ip 

    call psb_info(ictxt,iam,np)
    if (iam == 0) then
      ! Read Input Parameters
      read(psb_inp_unit,*) ip
      if (ip >= 5) then
        read(psb_inp_unit,*) mtrx_file
        read(psb_inp_unit,*) rhs_file
        read(psb_inp_unit,*) filefmt
        read(psb_inp_unit,*) kmethd
        read(psb_inp_unit,*) ptype
        read(psb_inp_unit,*) afmt


        call psb_bcast(ictxt,mtrx_file)
        call psb_bcast(ictxt,rhs_file)
        call psb_bcast(ictxt,filefmt)
        call psb_bcast(ictxt,kmethd)
        call psb_bcast(ictxt,ptype)
        call psb_bcast(ictxt,afmt)

        read(psb_inp_unit,*) ipart
        if (ip >= 7) then
          read(psb_inp_unit,*) istopc
        else
          istopc=1        
        endif
        if (ip >= 8) then
          read(psb_inp_unit,*) itmax
        else
          itmax=500
        endif
        if (ip >= 9) then
          read(psb_inp_unit,*) itrace
        else
          itrace=-1
        endif
        if (ip >= 10) then
          read(psb_inp_unit,*) irst
        else
          irst  = 1
        endif
        if (ip >= 11) then
          read(psb_inp_unit,*) eps
        else
          eps=1.d-6
        endif
        inparms(1) = ipart
        inparms(2) = istopc
        inparms(3) = itmax
        inparms(4) = itrace
        inparms(5) = irst
        call psb_bcast(ictxt,inparms(1:5))
        call psb_bcast(ictxt,eps)

        write(psb_out_unit,'("Solving matrix       : ",a)')  mtrx_file      
        write(psb_out_unit,'("Number of processors : ",i3)') np
        write(psb_out_unit,'("Data distribution    : ",i2)') ipart
        write(psb_out_unit,'("Iterative method     : ",a)')  kmethd
        write(psb_out_unit,'("Preconditioner       : ",a)')  ptype
        write(psb_out_unit,'("Restart parameter    : ",i2)') irst
        write(psb_out_unit,'("Storage format       : ",a)')  afmt(1:3)
        write(psb_out_unit,'(" ")')
      else
        write(psb_err_unit,*) 'Wrong format for input file'
        call psb_abort(ictxt)
        stop 1
      end if
    else
      ! Receive Parameters
      call psb_bcast(ictxt,mtrx_file)
      call psb_bcast(ictxt,rhs_file)
      call psb_bcast(ictxt,filefmt)
      call psb_bcast(ictxt,kmethd)
      call psb_bcast(ictxt,ptype)
      call psb_bcast(ictxt,afmt)

      call psb_bcast(ictxt,inparms(1:5))
      ipart  =  inparms(1) 
      istopc =  inparms(2) 
      itmax  =  inparms(3) 
      itrace =  inparms(4) 
      irst   =  inparms(5) 
      call psb_bcast(ictxt,eps)

    end if

  end subroutine get_dparms
  
  subroutine  get_sparms(ictxt,mtrx_file,rhs_file,filefmt,kmethd,ptype,ipart,&
       & afmt,istopc,itmax,itrace,irst,eps)
    use psb_base_mod
    integer      :: ictxt
    character(len=2)  :: filefmt
    character(len=40) :: kmethd, mtrx_file, rhs_file, ptype
    integer      :: iret, istopc,itmax,itrace,ipart,irst
    character(len=40) :: charbuf
    real(psb_spk_) :: eps
    character    :: afmt*5
    integer      :: np, iam
    integer      :: inparms(40), ip 

    call psb_info(ictxt,iam,np)
    if (iam == 0) then
      ! Read Input Parameters
      read(psb_inp_unit,*) ip
      if (ip >= 5) then
        read(psb_inp_unit,*) mtrx_file
        read(psb_inp_unit,*) rhs_file
        read(psb_inp_unit,*) filefmt
        read(psb_inp_unit,*) kmethd
        read(psb_inp_unit,*) ptype
        read(psb_inp_unit,*) afmt


        call psb_bcast(ictxt,mtrx_file)
        call psb_bcast(ictxt,rhs_file)
        call psb_bcast(ictxt,filefmt)
        call psb_bcast(ictxt,kmethd)
        call psb_bcast(ictxt,ptype)
        call psb_bcast(ictxt,afmt)

        read(psb_inp_unit,*) ipart
        if (ip >= 7) then
          read(psb_inp_unit,*) istopc
        else
          istopc=1        
        endif
        if (ip >= 8) then
          read(psb_inp_unit,*) itmax
        else
          itmax=500
        endif
        if (ip >= 9) then
          read(psb_inp_unit,*) itrace
        else
          itrace=-1
        endif
        if (ip >= 10) then
          read(psb_inp_unit,*) irst
        else
          irst  = 1
        endif
        if (ip >= 11) then
          read(psb_inp_unit,*) eps
        else
          eps=1.d-6
        endif
        inparms(1) = ipart
        inparms(2) = istopc
        inparms(3) = itmax
        inparms(4) = itrace
        inparms(5) = irst
        call psb_bcast(ictxt,inparms(1:5))
        call psb_bcast(ictxt,eps)

        write(psb_out_unit,'("Solving matrix       : ",a)')  mtrx_file      
        write(psb_out_unit,'("Number of processors : ",i3)') np
        write(psb_out_unit,'("Data distribution    : ",i2)') ipart
        write(psb_out_unit,'("Iterative method     : ",a)')  kmethd
        write(psb_out_unit,'("Preconditioner       : ",a)')  ptype
        write(psb_out_unit,'("Restart parameter    : ",i2)') irst
        write(psb_out_unit,'("Storage format       : ",a)')  afmt(1:3)
        write(psb_out_unit,'(" ")')
      else
        write(psb_err_unit,*) 'Wrong format for input file'
        call psb_abort(ictxt)
        stop 1
      end if
    else
      ! Receive Parameters
      call psb_bcast(ictxt,mtrx_file)
      call psb_bcast(ictxt,rhs_file)
      call psb_bcast(ictxt,filefmt)
      call psb_bcast(ictxt,kmethd)
      call psb_bcast(ictxt,ptype)
      call psb_bcast(ictxt,afmt)

      call psb_bcast(ictxt,inparms(1:5))
      ipart  =  inparms(1) 
      istopc =  inparms(2) 
      itmax  =  inparms(3) 
      itrace =  inparms(4) 
      irst   =  inparms(5) 
      call psb_bcast(ictxt,eps)

    end if

  end subroutine get_sparms

end module getp