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281 lines
7.4 KiB
Fortran
281 lines
7.4 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 3.1
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!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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! File: psb_dfree.f90
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!
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! Subroutine: psb_dfree
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! frees a dense matrix structure
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!
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! Arguments:
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! x(:,:) - real, allocatable The dense matrix to be freed.
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! desc_a - type(psb_desc_type). The communication descriptor.
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! info - integer. Return code
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subroutine psb_dfree(x, desc_a, info)
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use psb_base_mod, psb_protect_name => psb_dfree
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implicit none
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!....parameters...
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real(psb_dpk_),allocatable, intent(inout) :: x(:,:)
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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!...locals....
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integer(psb_ipk_) :: ictxt,np,me,err_act
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character(len=20) :: name
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if(psb_get_errstatus() /= 0) return
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info=psb_success_
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call psb_erractionsave(err_act)
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name='psb_dfree'
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if (.not.psb_is_ok_desc(desc_a)) then
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info=psb_err_forgot_spall_
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call psb_errpush(info,name)
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goto 9999
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end if
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ictxt = desc_a%get_context()
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call psb_info(ictxt, me, np)
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! ....verify blacs grid correctness..
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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if (.not.allocated(x)) then
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info=psb_err_forgot_spall_
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call psb_errpush(info,name)
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goto 9999
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end if
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!deallocate x
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deallocate(x,stat=info)
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if (info /= psb_no_err_) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name)
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goto 9999
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endif
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error(ictxt)
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return
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end if
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return
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end subroutine psb_dfree
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! Subroutine: psb_dfreev
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! frees a dense matrix structure
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!
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! Arguments:
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! x(:) - real, allocatable The dense matrix to be freed.
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! desc_a - type(psb_desc_type). The communication descriptor.
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! info - integer. Return code
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subroutine psb_dfreev(x, desc_a, info)
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use psb_base_mod, psb_protect_name => psb_dfreev
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implicit none
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!....parameters...
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real(psb_dpk_),allocatable, intent(inout) :: x(:)
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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!...locals....
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integer(psb_ipk_) :: ictxt,np,me,err_act
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character(len=20) :: name
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if(psb_get_errstatus() /= 0) return
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info=psb_success_
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call psb_erractionsave(err_act)
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name='psb_dfreev'
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if (.not.psb_is_ok_desc(desc_a)) then
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info=psb_err_forgot_spall_
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call psb_errpush(info,name)
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return
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end if
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ictxt = desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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if (.not.allocated(x)) then
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info=psb_err_forgot_spall_
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call psb_errpush(info,name)
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goto 9999
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end if
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!deallocate x
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deallocate(x,stat=info)
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if (info /= psb_no_err_) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name)
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endif
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error(ictxt)
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return
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end if
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return
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end subroutine psb_dfreev
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subroutine psb_dfree_vect(x, desc_a, info)
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use psb_base_mod, psb_protect_name => psb_dfree_vect
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implicit none
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!....parameters...
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type(psb_d_vect_type), intent(inout) :: x
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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!...locals....
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integer(psb_ipk_) :: ictxt,np,me,err_act
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character(len=20) :: name
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info=psb_success_
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if (psb_errstatus_fatal()) return
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call psb_erractionsave(err_act)
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name='psb_dfreev'
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if (.not.desc_a%is_ok()) then
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info = psb_err_invalid_cd_state_
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call psb_errpush(info,name)
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goto 9999
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end if
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ictxt = desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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if (.not.allocated(x%v)) then
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info = psb_err_invalid_vect_state_
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call psb_errpush(info,name)
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goto 9999
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endif
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call x%free(info)
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if (info /= psb_no_err_) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name)
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endif
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error(ictxt)
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return
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end if
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return
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end subroutine psb_dfree_vect
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subroutine psb_dfree_vect_r2(x, desc_a, info)
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use psb_base_mod, psb_protect_name => psb_dfree_vect_r2
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implicit none
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!....parameters...
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type(psb_d_vect_type), allocatable, intent(inout) :: x(:)
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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!...locals....
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integer(psb_ipk_) :: ictxt,np,me,err_act, i
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character(len=20) :: name
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info=psb_success_
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if (psb_errstatus_fatal()) return
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call psb_erractionsave(err_act)
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name='psb_dfreev'
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if (.not.desc_a%is_ok()) then
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info = psb_err_invalid_cd_state_
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call psb_errpush(info,name)
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goto 9999
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end if
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ictxt = desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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do i=lbound(x,1),ubound(x,1)
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call x(i)%free(info)
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if (info /= 0) exit
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end do
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if (info == 0) deallocate(x,stat=info)
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if (info /= psb_no_err_) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name)
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endif
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error(ictxt)
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return
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end if
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return
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end subroutine psb_dfree_vect_r2
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