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psblas3/base/tools/psb_glob_to_loc.f90

277 lines
9.8 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.
!!$
!!$
! File: psb_glob_to_loc.f90
!
! Subroutine: psb_glob_to_loc2
! Performs global to local index translation. If an index does not belong
! to the current process, a negative value is returned (see also iact).
!
! Arguments:
! x(:) - integer Array containing the indices to be translated.
! y(:) - integer Array containing the translated indices.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. return code.
! iact - character, optional A character defining the behaviour on
! an index not belonging to the calling process
! 'I'gnore, 'W'arning, 'A'bort
! owned - logical, optional When .true. limits the input to indices strictly
! owned by the process, i.e. excludes halo.
!
subroutine psb_glob_to_loc2(x,y,desc_a,info,iact,owned)
use psb_sparse_mod, psb_protect_name => psb_glob_to_loc2
use psi_mod
implicit none
!...parameters....
type(psb_desc_type), intent(in) :: desc_a
integer, intent(in) :: x(:)
integer, intent(out) :: y(:), info
character, intent(in), optional :: iact
logical, intent(in), optional :: owned
!....locals....
integer :: n
character :: act
integer :: int_err(5), err_act
logical :: owned_
integer, parameter :: zero=0
character(len=20) :: name
if(psb_get_errstatus() /= 0) return
info=0
name = 'glob_to_loc'
call psb_erractionsave(err_act)
if (present(iact)) then
act=iact
else
act='I'
endif
act = psb_toupper(act)
if (present(owned)) then
owned_=owned
else
owned_=.false.
end if
int_err = 0
n = size(x)
call psi_idx_cnv(n,x,y,desc_a,info,owned=owned_)
select case(act)
case('E','I')
call psb_erractionrestore(err_act)
return
case('W')
if ((info /= 0).or.(count(y(1:n)<0) >0)) then
write(0,'("Error ",i5," in subroutine glob_to_loc")') info
end if
case('A')
if ((info /= 0).or.(count(y(1:n)<0) >0)) then
call psb_errpush(info,name)
goto 9999
end if
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_ret_) then
return
else
call psb_error()
end if
return
end subroutine psb_glob_to_loc2
!!$
!!$ 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_glob_to_loc
! Performs global to local index translation. If an index does not belong
! to the current process, a negative value is returned (see also iact).
!
! Arguments:
! x(:) - integer Array containing the indices to be translated.
! overwritten on output with the result.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. return code.
! iact - character, optional A character defining the behaviour on
! an index not belonging to the calling process
! 'I'gnore, 'W'arning, 'A'bort
! owned - logical, optional When .true. limits the input to indices strictly
! owned by the process, i.e. excludes halo.
!
subroutine psb_glob_to_loc(x,desc_a,info,iact,owned)
use psb_sparse_mod, psb_protect_name => psb_glob_to_loc
use psi_mod
implicit none
!...parameters....
type(psb_desc_type), intent(in) :: desc_a
integer, intent(inout) :: x(:)
integer, intent(out) :: info
logical, intent(in), optional :: owned
character, intent(in), optional :: iact
!....locals....
integer :: n
character :: act
integer :: err_act, dectype
logical :: owned_
integer, parameter :: zero=0
character(len=20) :: name
integer :: ictxt, iam, np
if(psb_get_errstatus() /= 0) return
info=0
name = 'glob_to_loc'
ictxt = desc_a%matrix_data(psb_ctxt_)
call psb_info(ictxt,iam,np)
call psb_erractionsave(err_act)
dectype = desc_a%matrix_data(psb_dec_type_)
if (present(iact)) then
act=iact
else
act='I'
endif
if (present(owned)) then
owned_=owned
else
owned_=.false.
end if
act = psb_toupper(act)
n = size(x)
call psi_idx_cnv(n,x,desc_a,info,owned=owned_)
select case(act)
case('E','I')
call psb_erractionrestore(err_act)
return
case('W')
if ((info /= 0).or.(count(x(1:n)<0) >0)) then
write(0,'("Error ",i5," in subroutine glob_to_loc")') info
end if
case('A')
if ((info /= 0).or.(count(x(1:n)<0) >0)) then
write(0,*) count(x(1:n)<0)
call psb_errpush(info,name)
goto 9999
end if
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_ret_) then
return
else
call psb_error()
end if
return
end subroutine psb_glob_to_loc
subroutine psb_glob_to_loc2s(x,y,desc_a,info,iact,owned)
use psb_sparse_mod, psb_protect_name => psb_glob_to_loc2s
implicit none
type(psb_desc_type), intent(in) :: desc_a
integer,intent(in) :: x
integer,intent(out) :: y
integer, intent(out) :: info
character, intent(in), optional :: iact
logical, intent(in), optional :: owned
integer :: iv1(1), iv2(1)
iv1(1) = x
call psb_glob_to_loc(iv1,iv2,desc_a,info,iact,owned)
y = iv2(1)
end subroutine psb_glob_to_loc2s
subroutine psb_glob_to_locs(x,desc_a,info,iact,owned)
use psb_sparse_mod, psb_protect_name => psb_glob_to_locs
implicit none
type(psb_desc_type), intent(in) :: desc_a
integer,intent(inout) :: x
integer, intent(out) :: info
character, intent(in), optional :: iact
logical, intent(in), optional :: owned
integer :: iv1(1)
iv1(1) = x
call psb_glob_to_loc(iv1,desc_a,info,iact,owned)
x = iv1(1)
end subroutine psb_glob_to_locs