psblas3/base/serial/psb_cest.f90

!!$ 
!!$              Parallel Sparse BLAS  version 2.2
!!$    (C) Copyright 2006/2007/2008
!!$                       Salvatore Filippone    University of Rome Tor Vergata
!!$                       Alfredo Buttari        University of Rome Tor Vergata
!!$ 
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!!$  
subroutine psb_cest(afmt,m,n,nnz, lia1, lia2, lar, iup,info)

  use psb_error_mod
  use psb_const_mod
  use psb_string_mod
  use psb_serial_mod

  implicit none

  !     .. scalar arguments ..
  integer, intent(in) ::  m,n,nnz,iup
  integer, intent(out) :: lia1, lia2, lar, info
  character(len=*), intent(inout)  ::  afmt
  !     .. array arguments..
  integer           ::  int_val(5), err_act
  character(len=20) ::  name

  name = 'psb_cest'      
  call psb_erractionsave(err_act)

  if (afmt == '???') then 
    afmt = psb_fidef_
  endif
  
  afmt = psb_toupper(afmt)

  select case(iup)
  case (psb_upd_perm_)
    if (afmt == 'JAD') then 
      lia1 = 2*(nnz) + 1000
      lia2 = (3*nnz)/2 + 1000 + m
      lar  = (3*nnz)/2 
    else if (afmt == 'COO') then 
      lia1 = nnz
      lia2 = 2*nnz + 1000
      lar = nnz
    else if(afmt  == 'CSR') then
      lia1 = nnz
      lia2 = 2*nnz + 1000 + m + 1
      lar = nnz
    else
      info = 136
      call psb_errpush(info,name,a_err=psb_toupper(afmt))
      goto 9999
    endif

  case (psb_upd_srch_)

    if (afmt == 'JAD') then 
      lia1 = (3*nnz)/2 
      lia2 = (3*nnz)/2 
      lar  = (3*nnz)/2 
    else if (afmt == 'COO') then 
      lia1 = nnz
      lia2 = nnz
      lar = nnz
    else if(afmt == 'CSR') then
      lia1 = nnz
      lia2 = max(nnz,m+1)
      lar = nnz
    else
      info = 136
      call psb_errpush(info,name,a_err=psb_toupper(afmt))
      goto 9999
    endif

  case default

    info = 3012
    call psb_errpush(info,name,int_val)
    goto 9999

  end select

  call psb_erractionrestore(err_act)
  return

9999 continue
  call psb_erractionrestore(err_act)

  if ( err_act /= 0 ) then 
     call psb_error()
     return
  endif

  return

end subroutine psb_cest