You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
176 lines
4.9 KiB
Fortran
176 lines
4.9 KiB
Fortran
!!$
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 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_dfree.f90
|
|
!
|
|
! Subroutine: psb_dfree
|
|
! frees a dense matrix structure
|
|
!
|
|
! Arguments:
|
|
! x(:,:) - real, allocatable The dense matrix to be freed.
|
|
! desc_a - type(<psb_desc_type>). The communication descriptor.
|
|
! info - integer. Return code
|
|
subroutine psb_dfree(x, desc_a, info)
|
|
!...free dense matrix structure...
|
|
use psb_const_mod
|
|
use psb_descriptor_type
|
|
use psb_error_mod
|
|
use psb_penv_mod
|
|
implicit none
|
|
|
|
!....parameters...
|
|
real(kind(1.d0)),allocatable, intent(inout) :: x(:,:)
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
integer :: info
|
|
|
|
!...locals....
|
|
integer :: ictxt,np,me,err_act
|
|
character(len=20) :: name
|
|
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
call psb_erractionsave(err_act)
|
|
name='psb_dfree'
|
|
if (.not.allocated(desc_a%matrix_data)) then
|
|
info=295
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
ictxt = psb_cd_get_context(desc_a)
|
|
|
|
call psb_info(ictxt, me, np)
|
|
! ....verify blacs grid correctness..
|
|
if (np == -1) then
|
|
info = 2010
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
if (.not.allocated(x)) then
|
|
info=295
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
!deallocate x
|
|
deallocate(x,stat=info)
|
|
if (info /= psb_no_err_) then
|
|
info=4000
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error(ictxt)
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_dfree
|
|
|
|
|
|
|
|
! Subroutine: psb_dfreev
|
|
! frees a dense matrix structure
|
|
!
|
|
! Arguments:
|
|
! x():) - real, allocatable The dense matrix to be freed.
|
|
! desc_a - type(<psb_desc_type>). The communication descriptor.
|
|
! info - integer. Return code
|
|
subroutine psb_dfreev(x, desc_a, info)
|
|
!...free dense matrix structure...
|
|
use psb_const_mod
|
|
use psb_descriptor_type
|
|
use psb_error_mod
|
|
use psb_penv_mod
|
|
|
|
implicit none
|
|
!....parameters...
|
|
real(kind(1.d0)),allocatable, intent(inout) :: x(:)
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
integer, intent(out) :: info
|
|
!...locals....
|
|
integer :: ictxt,np,me,err_act
|
|
character(len=20) :: name
|
|
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
call psb_erractionsave(err_act)
|
|
name='psb_dfreev'
|
|
|
|
if (.not.allocated(desc_a%matrix_data)) then
|
|
info=295
|
|
call psb_errpush(info,name)
|
|
return
|
|
end if
|
|
ictxt = psb_cd_get_context(desc_a)
|
|
|
|
call psb_info(ictxt, me, np)
|
|
if (np == -1) then
|
|
info = 2010
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
if (.not.allocated(x)) then
|
|
info=295
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
!deallocate x
|
|
deallocate(x,stat=info)
|
|
if (info /= psb_no_err_) then
|
|
info=4000
|
|
call psb_errpush(info,name)
|
|
endif
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error(ictxt)
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_dfreev
|