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262 lines
9.2 KiB
Fortran
262 lines
9.2 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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_easb.f90
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!
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! Subroutine: psb_easb
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! Assembles a dense matrix for PSBLAS routines
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! Since the allocation may have been called with the desciptor
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! in the build state we make sure that X has a number of rows
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! allowing for the halo indices, reallocating if necessary.
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! We also call the halo routine for good measure.
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!
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! Arguments:
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! x(:,:) - integer, allocatable The matrix to be assembled.
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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_easb(x, desc_a, info, scratch)
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use psb_base_mod, psb_protect_name => psb_easb
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implicit none
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_epk_), allocatable, intent(inout) :: x(:,:)
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integer(psb_ipk_), intent(out) :: info
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logical, intent(in), optional :: scratch
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! local variables
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type(psb_ctxt_type) :: ctxt
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integer(psb_ipk_) :: np,me,nrow,ncol, err_act
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integer(psb_ipk_) :: i1sz, i2sz
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integer(psb_ipk_) :: debug_level, debug_unit
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logical :: scratch_
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character(len=20) :: name, ch_err
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info=psb_success_
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name='psb_egeasb_m'
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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scratch_ = .false.
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if (present(scratch)) scratch_ = scratch
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if (.not.psb_is_ok_desc(desc_a)) then
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info=psb_err_input_matrix_unassembled_
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call psb_errpush(info,name)
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goto 9999
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endif
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ctxt = desc_a%get_context()
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call psb_info(ctxt, me, np)
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if (debug_level >= psb_debug_ext_) &
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& write(debug_unit,*) me,' ',trim(name),': start: ',np,&
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& desc_a%get_dectype()
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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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else if (.not.psb_is_asb_desc(desc_a)) then
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if (debug_level >= psb_debug_ext_) &
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& write(debug_unit,*) me,' ',trim(name),' error '
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info = psb_err_input_matrix_unassembled_
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call psb_errpush(info,name)
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goto 9999
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endif
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! check size
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ctxt = desc_a%get_context()
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nrow = desc_a%get_local_rows()
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ncol = desc_a%get_local_cols()
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i1sz = size(x,dim=1)
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i2sz = size(x,dim=2)
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if (debug_level >= psb_debug_ext_) &
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& write(debug_unit,*) me,' ',trim(name),': ',i1sz,i2sz,nrow,ncol
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if (i1sz < ncol) then
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call psb_realloc(ncol,i2sz,x,info)
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if (info /= psb_success_) then
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info=psb_err_from_subroutine_
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call psb_errpush(info,name,a_err='psb_realloc')
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goto 9999
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endif
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endif
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if (.not.scratch_) then
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! ..update halo elements..
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call psb_halo(x,desc_a,info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_halo'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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end if
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if (debug_level >= psb_debug_ext_) &
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& write(debug_unit,*) me,' ',trim(name),': end'
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ctxt,err_act)
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return
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end subroutine psb_easb
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!!$
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!!$ Parallel Sparse BLAS version 3.5
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!!$ (C) Copyright 2006-2018
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari
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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
|
|
!!$ notice, this list of conditions and the following disclaimer.
|
|
!!$ 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
|
|
!!$ software without specific written permission.
|
|
!!$
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!!$ 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
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
|
|
!!$ 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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! Subroutine: psb_easb
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! Assembles a dense matrix for PSBLAS routines
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! Since the allocation may have been called with the desciptor
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|
! in the build state we make sure that X has a number of rows
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! allowing for the halo indices, reallocating if necessary.
|
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! We also call the halo routine for good measure.
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!
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! Arguments:
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! x(:) - integer, allocatable The matrix to be assembled.
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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_easbv(x, desc_a, info, scratch)
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use psb_base_mod, psb_protect_name => psb_easbv
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implicit none
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_epk_), allocatable, intent(inout) :: x(:)
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integer(psb_ipk_), intent(out) :: info
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logical, intent(in), optional :: scratch
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! local variables
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type(psb_ctxt_type) :: ctxt
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integer(psb_ipk_) :: np,me
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integer(psb_ipk_) :: i1sz,nrow,ncol, err_act
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integer(psb_ipk_) :: debug_level, debug_unit
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logical :: scratch_
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character(len=20) :: name,ch_err
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info = psb_success_
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name = 'psb_egeasb_v'
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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ctxt = desc_a%get_context()
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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scratch_ = .false.
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if (present(scratch)) scratch_ = scratch
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call psb_info(ctxt, 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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else if (.not.psb_is_asb_desc(desc_a)) then
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info = psb_err_input_matrix_unassembled_
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call psb_errpush(info,name)
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goto 9999
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endif
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nrow = desc_a%get_local_rows()
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ncol = desc_a%get_local_cols()
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if (debug_level >= psb_debug_ext_) &
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& write(debug_unit,*) me,' ',trim(name),': sizes: ',nrow,ncol
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i1sz = size(x)
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if (debug_level >= psb_debug_ext_) &
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& write(debug_unit,*) me,' ',trim(name),': sizes ',i1sz,ncol
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if (i1sz < ncol) then
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call psb_realloc(ncol,x,info)
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if (info /= psb_success_) then
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info=psb_err_from_subroutine_
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call psb_errpush(info,name,a_err='psb_realloc')
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goto 9999
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endif
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endif
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if (.not.scratch_) then
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! ..update halo elements..
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call psb_halo(x,desc_a,info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='f90_pshalo'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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end if
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if (debug_level >= psb_debug_ext_) &
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& write(debug_unit,*) me,' ',trim(name),': end'
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ctxt,err_act)
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return
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end subroutine psb_easbv
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