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psblas3/base/serial/psb_cest.f90

121 lines
3.5 KiB
Fortran

!!$
!!$ 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
!!$
!!$ 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 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_spmat_type
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 = 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=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=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