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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
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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_iasb.f90
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!
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! Subroutine: psb_iasb_vect, _vect_r2 and _multivect
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! Assembles a dense vector, an array of vectors or a multivector
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! 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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! However, sometimes we need to create temporary vectors whose contents
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! will be initialized through some subsequent call to geaxpby or similar;
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! for this situation we provide the SCRATCH flag.
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!
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!
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! Arguments:
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! x - type(psb_i_vect_type) 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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! mold - type(psb_i_base_vect_type), optional A mold for the inner storage format
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! scratch - logical, optional If true, allocate without checking/zeroing contents.
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! default: .false.
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!
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subroutine psb_iasb_vect(x, desc_a, info, mold, scratch)
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use psb_base_mod, psb_protect_name => psb_iasb_vect
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implicit none
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_i_vect_type), intent(inout) :: x
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integer(psb_ipk_), intent(out) :: info
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class(psb_i_base_vect_type), intent(in), optional :: mold
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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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logical :: scratch_
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integer(psb_ipk_) :: debug_level, debug_unit
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character(len=20) :: name,ch_err
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info = psb_success_
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name = 'psb_igeasb_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.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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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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if (scratch_) then
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call x%free(info)
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call x%bld(ncol,mold=mold)
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else
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call x%asb(ncol,info)
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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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call psb_errpush(info,name,a_err='psb_halo')
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goto 9999
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end if
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call x%cnv(mold)
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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_iasb_vect
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subroutine psb_iasb_vect_r2(x, desc_a, info, mold, scratch)
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use psb_base_mod, psb_protect_name => psb_iasb_vect_r2
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implicit none
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_i_vect_type), intent(inout) :: x(:)
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integer(psb_ipk_), intent(out) :: info
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class(psb_i_base_vect_type), intent(in), optional :: mold
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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, i, n
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integer(psb_ipk_) :: i1sz,nrow,ncol, err_act
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logical :: scratch_
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integer(psb_ipk_) :: debug_level, debug_unit
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character(len=20) :: name,ch_err
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info = psb_success_
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name = 'psb_igeasb_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.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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nrow = desc_a%get_local_rows()
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ncol = desc_a%get_local_cols()
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n = size(x)
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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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if (scratch_) then
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do i=1,n
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call x(i)%free(info)
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call x(i)%bld(ncol,mold=mold)
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end do
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else
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do i=1, n
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call x(i)%asb(ncol,info)
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if (info /= 0) exit
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! ..update halo elements..
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call psb_halo(x(i),desc_a,info)
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if (info /= 0) exit
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call x(i)%cnv(mold)
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end do
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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_halo')
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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_iasb_vect_r2
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subroutine psb_iasb_multivect(x, desc_a, info, mold, scratch,n)
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use psb_base_mod, psb_protect_name => psb_iasb_multivect
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implicit none
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_i_multivect_type), intent(inout) :: x
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integer(psb_ipk_), intent(out) :: info
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class(psb_i_base_multivect_type), intent(in), optional :: mold
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integer(psb_ipk_), optional, intent(in) :: n
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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, n_
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logical :: scratch_
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integer(psb_ipk_) :: debug_level, debug_unit
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character(len=20) :: name,ch_err
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info = psb_success_
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if (psb_errstatus_fatal()) return
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name = 'psb_igeasb'
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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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if (present(n)) then
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n_ = n
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else
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if (allocated(x%v)) then
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n_ = x%v%get_ncols()
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else
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n_ = 1
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end if
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endif
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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.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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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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if (scratch_) then
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call x%free(info)
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call x%bld(ncol,n_,mold=mold)
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else
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call x%asb(ncol,n_,info)
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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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call psb_errpush(info,name,a_err='psb_halo')
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goto 9999
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end if
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if (present(mold)) then
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call x%cnv(mold)
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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_iasb_multivect
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