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psblas3/base/tools/psb_easb_a.f90

262 lines
9.2 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! 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_easb.f90
!
! Subroutine: psb_easb
! Assembles a dense matrix for PSBLAS routines
! Since the allocation may have been called with the desciptor
! in the build state we make sure that X has a number of rows
! allowing for the halo indices, reallocating if necessary.
! We also call the halo routine for good measure.
!
! Arguments:
! x(:,:) - integer, allocatable The matrix to be assembled.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. return code
subroutine psb_easb(x, desc_a, info, scratch)
use psb_base_mod, psb_protect_name => psb_easb
implicit none
type(psb_desc_type), intent(in) :: desc_a
integer(psb_epk_), allocatable, intent(inout) :: x(:,:)
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: scratch
! local variables
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: np,me,nrow,ncol, err_act
integer(psb_ipk_) :: i1sz, i2sz
integer(psb_ipk_) :: debug_level, debug_unit
logical :: scratch_
character(len=20) :: name, ch_err
info=psb_success_
name='psb_egeasb_m'
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
scratch_ = .false.
if (present(scratch)) scratch_ = scratch
if (.not.psb_is_ok_desc(desc_a)) then
info=psb_err_input_matrix_unassembled_
call psb_errpush(info,name)
goto 9999
endif
ctxt = desc_a%get_context()
call psb_info(ctxt, me, np)
if (debug_level >= psb_debug_ext_) &
& write(debug_unit,*) me,' ',trim(name),': start: ',np,&
& desc_a%get_dectype()
! ....verify blacs grid correctness..
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
else if (.not.psb_is_asb_desc(desc_a)) then
if (debug_level >= psb_debug_ext_) &
& write(debug_unit,*) me,' ',trim(name),' error '
info = psb_err_input_matrix_unassembled_
call psb_errpush(info,name)
goto 9999
endif
! check size
ctxt = desc_a%get_context()
nrow = desc_a%get_local_rows()
ncol = desc_a%get_local_cols()
i1sz = size(x,dim=1)
i2sz = size(x,dim=2)
if (debug_level >= psb_debug_ext_) &
& write(debug_unit,*) me,' ',trim(name),': ',i1sz,i2sz,nrow,ncol
if (i1sz < ncol) then
call psb_realloc(ncol,i2sz,x,info)
if (info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='psb_realloc')
goto 9999
endif
endif
if (.not.scratch_) then
! ..update halo elements..
call psb_halo(x,desc_a,info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_halo'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
end if
if (debug_level >= psb_debug_ext_) &
& write(debug_unit,*) me,' ',trim(name),': end'
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ctxt,err_act)
return
end subroutine psb_easb
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ 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_easb
! Assembles a dense matrix for PSBLAS routines
! Since the allocation may have been called with the desciptor
! in the build state we make sure that X has a number of rows
! allowing for the halo indices, reallocating if necessary.
! We also call the halo routine for good measure.
!
! Arguments:
! x(:) - integer, allocatable The matrix to be assembled.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
subroutine psb_easbv(x, desc_a, info, scratch)
use psb_base_mod, psb_protect_name => psb_easbv
implicit none
type(psb_desc_type), intent(in) :: desc_a
integer(psb_epk_), allocatable, intent(inout) :: x(:)
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: scratch
! local variables
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: np,me
integer(psb_ipk_) :: i1sz,nrow,ncol, err_act
integer(psb_ipk_) :: debug_level, debug_unit
logical :: scratch_
character(len=20) :: name,ch_err
info = psb_success_
name = 'psb_egeasb_v'
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
ctxt = desc_a%get_context()
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
scratch_ = .false.
if (present(scratch)) scratch_ = scratch
call psb_info(ctxt, me, np)
! ....verify blacs grid correctness..
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
else if (.not.psb_is_asb_desc(desc_a)) then
info = psb_err_input_matrix_unassembled_
call psb_errpush(info,name)
goto 9999
endif
nrow = desc_a%get_local_rows()
ncol = desc_a%get_local_cols()
if (debug_level >= psb_debug_ext_) &
& write(debug_unit,*) me,' ',trim(name),': sizes: ',nrow,ncol
i1sz = size(x)
if (debug_level >= psb_debug_ext_) &
& write(debug_unit,*) me,' ',trim(name),': sizes ',i1sz,ncol
if (i1sz < ncol) then
call psb_realloc(ncol,x,info)
if (info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='psb_realloc')
goto 9999
endif
endif
if (.not.scratch_) then
! ..update halo elements..
call psb_halo(x,desc_a,info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='f90_pshalo'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
end if
if (debug_level >= psb_debug_ext_) &
& write(debug_unit,*) me,' ',trim(name),': end'
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ctxt,err_act)
return
end subroutine psb_easbv