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1307 lines
33 KiB
Fortran
1307 lines
33 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 3.0
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!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
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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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!
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!
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! package: psb_hash_map_mod
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! Defines the HASH_MAP type.
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!
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! This is the index map of choice for large index spaces.
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! If the global index space is very large (larger than the threshold value
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! which may be set by the user), then it is not advisable to have a full
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! GLOB_TO_LOC array; therefore we only record the global indices that do have a
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! local counterpart, so that the local storage will be proportional to
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! N_COL.
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! The idea is that glb_lc(:,1) will hold sorted global indices, and
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! glb_lc(:,2) the corresponding local indices, so that we may do a binary search.
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! To cut down the search time we partition glb_lc into a set of lists
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! addressed by hashv(:) based on the value of the lowest
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! PSB_HASH_BITS bits of the global index.
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! During the build phase glb_lc() will store the indices of the internal points,
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! i.e. local indices 1:NROW, since those are known ad CDALL time.
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! The halo indices that we encounter during the build phase are put in
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! a PSB_HASH_TYPE data structure, which implements a very simple hash; this
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! hash will nonetheless be quite fast at low occupancy rates.
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! At assembly time, we move everything into hashv(:) and glb_lc(:,:).
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!
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module psb_hash_map_mod
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use psb_const_mod
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use psb_desc_const_mod
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use psb_indx_map_mod
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use psb_hash_mod
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type, extends(psb_indx_map) :: psb_hash_map
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integer :: hashvsize, hashvmask
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integer, allocatable :: hashv(:), glb_lc(:,:), loc_to_glob(:)
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type(psb_hash_type), allocatable :: hash
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contains
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procedure, pass(idxmap) :: init_vl => hash_init_vl
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procedure, pass(idxmap) :: hash_map_init => hash_init_vg
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procedure, pass(idxmap) :: sizeof => hash_sizeof
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procedure, pass(idxmap) :: asb => hash_asb
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procedure, pass(idxmap) :: free => hash_free
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procedure, pass(idxmap) :: clone => hash_clone
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procedure, nopass :: get_fmt => hash_get_fmt
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procedure, nopass :: row_extendable => hash_row_extendable
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procedure, pass(idxmap) :: l2gs1 => hash_l2gs1
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procedure, pass(idxmap) :: l2gs2 => hash_l2gs2
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procedure, pass(idxmap) :: l2gv1 => hash_l2gv1
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procedure, pass(idxmap) :: l2gv2 => hash_l2gv2
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procedure, pass(idxmap) :: g2ls1 => hash_g2ls1
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procedure, pass(idxmap) :: g2ls2 => hash_g2ls2
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procedure, pass(idxmap) :: g2lv1 => hash_g2lv1
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procedure, pass(idxmap) :: g2lv2 => hash_g2lv2
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procedure, pass(idxmap) :: g2ls1_ins => hash_g2ls1_ins
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procedure, pass(idxmap) :: g2ls2_ins => hash_g2ls2_ins
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procedure, pass(idxmap) :: g2lv1_ins => hash_g2lv1_ins
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procedure, pass(idxmap) :: g2lv2_ins => hash_g2lv2_ins
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procedure, pass(idxmap) :: bld_g2l_map => hash_bld_g2l_map
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end type psb_hash_map
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private :: hash_init_vl, hash_init_vg, hash_sizeof, hash_asb, &
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& hash_free, hash_get_fmt, hash_l2gs1, hash_l2gs2, &
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& hash_l2gv1, hash_l2gv2, hash_g2ls1, hash_g2ls2, &
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& hash_g2lv1, hash_g2lv2, hash_g2ls1_ins, hash_g2ls2_ins, &
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& hash_g2lv1_ins, hash_g2lv2_ins, hash_init_vlu, &
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& hash_bld_g2l_map, hash_inner_cnvs1, hash_inner_cnvs2,&
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& hash_inner_cnv1, hash_inner_cnv2, hash_row_extendable
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interface hash_inner_cnv
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module procedure hash_inner_cnvs1, hash_inner_cnvs2,&
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& hash_inner_cnv1, hash_inner_cnv2
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end interface hash_inner_cnv
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private :: hash_inner_cnv
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contains
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function hash_row_extendable() result(val)
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implicit none
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logical :: val
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val = .true.
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end function hash_row_extendable
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function hash_sizeof(idxmap) result(val)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer(psb_long_int_k_) :: val
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val = idxmap%psb_indx_map%sizeof()
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val = val + 2 * psb_sizeof_int
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if (allocated(idxmap%hashv)) &
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& val = val + size(idxmap%hashv)*psb_sizeof_int
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if (allocated(idxmap%glb_lc)) &
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& val = val + size(idxmap%glb_lc)*psb_sizeof_int
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if (allocated(idxmap%hash)) &
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& val = val + psb_sizeof(idxmap%hash)
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end function hash_sizeof
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subroutine hash_free(idxmap)
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implicit none
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class(psb_hash_map), intent(inout) :: idxmap
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integer :: info
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if (allocated(idxmap%hashv)) &
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& deallocate(idxmap%hashv)
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if (allocated(idxmap%glb_lc)) &
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& deallocate(idxmap%glb_lc)
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if (allocated(idxmap%hash)) then
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call psb_free(idxmap%hash,info)
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deallocate(idxmap%hash)
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end if
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call idxmap%psb_indx_map%free()
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end subroutine hash_free
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subroutine hash_l2gs1(idx,idxmap,info,mask,owned)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(inout) :: idx
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integer, intent(out) :: info
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logical, intent(in), optional :: mask
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logical, intent(in), optional :: owned
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integer :: idxv(1)
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info = 0
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if (present(mask)) then
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if (.not.mask) return
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end if
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idxv(1) = idx
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call idxmap%l2g(idxv,info,owned=owned)
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idx = idxv(1)
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end subroutine hash_l2gs1
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subroutine hash_l2gs2(idxin,idxout,idxmap,info,mask,owned)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(in) :: idxin
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integer, intent(out) :: idxout
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integer, intent(out) :: info
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logical, intent(in), optional :: mask
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logical, intent(in), optional :: owned
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idxout = idxin
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call idxmap%l2g(idxout,info,mask,owned)
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end subroutine hash_l2gs2
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subroutine hash_l2gv1(idx,idxmap,info,mask,owned)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(inout) :: idx(:)
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integer, intent(out) :: info
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logical, intent(in), optional :: mask(:)
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logical, intent(in), optional :: owned
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integer :: i
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logical :: owned_
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info = 0
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if (present(mask)) then
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if (size(mask) < size(idx)) then
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info = -1
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return
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end if
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end if
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if (present(owned)) then
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owned_ = owned
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else
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owned_ = .false.
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end if
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if (present(mask)) then
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do i=1, size(idx)
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if (mask(i)) then
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if ((1<=idx(i)).and.(idx(i) <= idxmap%local_rows)) then
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idx(i) = idxmap%loc_to_glob(idx(i))
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else if ((idxmap%local_rows < idx(i)).and.(idx(i) <= idxmap%local_cols)&
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& .and.(.not.owned_)) then
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idx(i) = idxmap%loc_to_glob(idx(i))
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else
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idx(i) = -1
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end if
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end if
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end do
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else if (.not.present(mask)) then
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do i=1, size(idx)
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if ((1<=idx(i)).and.(idx(i) <= idxmap%local_rows)) then
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idx(i) = idxmap%loc_to_glob(idx(i))
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else if ((idxmap%local_rows < idx(i)).and.(idx(i) <= idxmap%local_cols)&
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& .and.(.not.owned_)) then
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idx(i) = idxmap%loc_to_glob(idx(i))
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else
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idx(i) = -1
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end if
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end do
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end if
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end subroutine hash_l2gv1
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subroutine hash_l2gv2(idxin,idxout,idxmap,info,mask,owned)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(in) :: idxin(:)
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integer, intent(out) :: idxout(:)
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integer, intent(out) :: info
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logical, intent(in), optional :: mask(:)
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logical, intent(in), optional :: owned
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integer :: is, im
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is = size(idxin)
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im = min(is,size(idxout))
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idxout(1:im) = idxin(1:im)
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call idxmap%l2g(idxout(1:im),info,mask,owned)
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if (is > im) then
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write(0,*) 'l2gv2 err -3'
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info = -3
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end if
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end subroutine hash_l2gv2
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subroutine hash_g2ls1(idx,idxmap,info,mask,owned)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(inout) :: idx
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integer, intent(out) :: info
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logical, intent(in), optional :: mask
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logical, intent(in), optional :: owned
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integer :: idxv(1)
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info = 0
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if (present(mask)) then
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if (.not.mask) return
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end if
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idxv(1) = idx
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call idxmap%g2l(idxv,info,owned=owned)
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idx = idxv(1)
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end subroutine hash_g2ls1
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subroutine hash_g2ls2(idxin,idxout,idxmap,info,mask,owned)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(in) :: idxin
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integer, intent(out) :: idxout
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integer, intent(out) :: info
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logical, intent(in), optional :: mask
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logical, intent(in), optional :: owned
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idxout = idxin
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call idxmap%g2l(idxout,info,mask,owned)
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end subroutine hash_g2ls2
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subroutine hash_g2lv1(idx,idxmap,info,mask,owned)
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use psb_penv_mod
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use psb_sort_mod
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(inout) :: idx(:)
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integer, intent(out) :: info
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logical, intent(in), optional :: mask(:)
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logical, intent(in), optional :: owned
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integer :: i, is, mglob, ip, lip, nrow, ncol, nrm
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integer :: ictxt, iam, np
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logical :: owned_
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info = 0
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ictxt = idxmap%get_ctxt()
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call psb_info(ictxt,iam,np)
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if (present(mask)) then
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if (size(mask) < size(idx)) then
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info = -1
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return
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end if
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end if
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if (present(owned)) then
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owned_ = owned
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else
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owned_ = .false.
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end if
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is = size(idx)
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mglob = idxmap%get_gr()
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nrow = idxmap%get_lr()
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ncol = idxmap%get_lc()
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if (owned_) then
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nrm = nrow
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else
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nrm = ncol
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end if
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if (present(mask)) then
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if (idxmap%is_asb()) then
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call hash_inner_cnv(is,idx,idxmap%hashvmask,&
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& idxmap%hashv,idxmap%glb_lc,mask=mask, nrm=nrm)
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else if (idxmap%is_valid()) then
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do i = 1, is
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if (mask(i)) then
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ip = idx(i)
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if ((ip < 1 ).or.(ip>mglob)) then
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idx(i) = -1
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cycle
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endif
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call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,idxmap%glb_lc,nrm)
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if (lip < 0) &
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& call psb_hash_searchkey(ip,lip,idxmap%hash,info)
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if (owned_) then
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if (lip<=nrow) then
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idx(i) = lip
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else
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idx(i) = -1
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endif
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else
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idx(i) = lip
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endif
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end if
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enddo
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else
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write(0,*) 'Hash status: invalid ',idxmap%get_state()
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idx(1:is) = -1
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info = -1
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end if
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else if (.not.present(mask)) then
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|
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if (idxmap%is_asb()) then
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call hash_inner_cnv(is,idx,idxmap%hashvmask,&
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& idxmap%hashv,idxmap%glb_lc,nrm=nrm)
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else if (idxmap%is_valid()) then
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do i = 1, is
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ip = idx(i)
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if ((ip < 1 ).or.(ip>mglob)) then
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idx(i) = -1
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cycle
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endif
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call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,idxmap%glb_lc,nrm)
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if (lip < 0) &
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& call psb_hash_searchkey(ip,lip,idxmap%hash,info)
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if (owned_) then
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if (lip<=nrow) then
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idx(i) = lip
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else
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idx(i) = -1
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endif
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else
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idx(i) = lip
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endif
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enddo
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else
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write(0,*) 'Hash status: invalid ',idxmap%get_state()
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idx(1:is) = -1
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info = -1
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end if
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end if
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end subroutine hash_g2lv1
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|
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subroutine hash_g2lv2(idxin,idxout,idxmap,info,mask,owned)
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implicit none
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class(psb_hash_map), intent(in) :: idxmap
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integer, intent(in) :: idxin(:)
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|
integer, intent(out) :: idxout(:)
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integer, intent(out) :: info
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|
logical, intent(in), optional :: mask(:)
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logical, intent(in), optional :: owned
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|
|
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integer :: is, im
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|
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is = size(idxin)
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im = min(is,size(idxout))
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idxout(1:im) = idxin(1:im)
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call idxmap%g2l(idxout(1:im),info,mask,owned)
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if (is > im) then
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write(0,*) 'g2lv2 err -3'
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info = -3
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end if
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end subroutine hash_g2lv2
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|
|
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|
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subroutine hash_g2ls1_ins(idx,idxmap,info,mask)
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use psb_realloc_mod
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use psb_sort_mod
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implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
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|
integer, intent(inout) :: idx
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|
integer, intent(out) :: info
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|
logical, intent(in), optional :: mask
|
|
|
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integer :: idxv(1)
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|
|
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info = 0
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|
if (present(mask)) then
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|
if (.not.mask) return
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|
end if
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idxv(1) = idx
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call idxmap%g2l_ins(idxv,info)
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idx = idxv(1)
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end subroutine hash_g2ls1_ins
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|
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subroutine hash_g2ls2_ins(idxin,idxout,idxmap,info,mask)
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implicit none
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class(psb_hash_map), intent(inout) :: idxmap
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integer, intent(in) :: idxin
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integer, intent(out) :: idxout
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integer, intent(out) :: info
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logical, intent(in), optional :: mask
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idxout = idxin
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call idxmap%g2l_ins(idxout,info,mask=mask)
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|
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end subroutine hash_g2ls2_ins
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|
|
|
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subroutine hash_g2lv1_ins(idx,idxmap,info,mask)
|
|
use psb_error_mod
|
|
use psb_realloc_mod
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|
use psb_sort_mod
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|
use psb_penv_mod
|
|
implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
|
|
integer, intent(inout) :: idx(:)
|
|
integer, intent(out) :: info
|
|
logical, intent(in), optional :: mask(:)
|
|
integer :: i, is, mglob, ip, lip, nrow, ncol, &
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|
& nxt, err_act, ictxt, me, np
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|
character(len=20) :: name,ch_err
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|
|
|
info = psb_success_
|
|
name = 'hash_g2l_ins'
|
|
call psb_erractionsave(err_act)
|
|
|
|
ictxt = idxmap%get_ctxt()
|
|
call psb_info(ictxt, me, np)
|
|
|
|
is = size(idx)
|
|
|
|
if (present(mask)) then
|
|
if (size(mask) < size(idx)) then
|
|
info = -1
|
|
return
|
|
end if
|
|
end if
|
|
|
|
|
|
mglob = idxmap%get_gr()
|
|
nrow = idxmap%get_lr()
|
|
if (idxmap%is_bld()) then
|
|
|
|
if (present(mask)) then
|
|
do i = 1, is
|
|
ncol = idxmap%get_lc()
|
|
if (mask(i)) then
|
|
ip = idx(i)
|
|
if ((ip < 1 ).or.(ip>mglob)) then
|
|
idx(i) = -1
|
|
cycle
|
|
endif
|
|
nxt = ncol + 1
|
|
call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,idxmap%glb_lc,ncol)
|
|
if (lip < 0) &
|
|
& call psb_hash_searchinskey(ip,lip,nxt,idxmap%hash,info)
|
|
|
|
if (info >=0) then
|
|
if (nxt == lip) then
|
|
ncol = nxt
|
|
call psb_ensure_size(ncol,idxmap%loc_to_glob,info,pad=-1,addsz=200)
|
|
if (info /= psb_success_) then
|
|
info=1
|
|
ch_err='psb_ensure_size'
|
|
call psb_errpush(psb_err_from_subroutine_ai_,name,&
|
|
&a_err=ch_err,i_err=(/info,0,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
idxmap%loc_to_glob(nxt) = ip
|
|
call idxmap%set_lc(ncol)
|
|
endif
|
|
info = psb_success_
|
|
else
|
|
ch_err='SearchInsKeyVal'
|
|
call psb_errpush(psb_err_from_subroutine_ai_,name,&
|
|
& a_err=ch_err,i_err=(/info,0,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
idx(i) = lip
|
|
info = psb_success_
|
|
else
|
|
idx(i) = -1
|
|
end if
|
|
enddo
|
|
|
|
else
|
|
do i = 1, is
|
|
ncol = idxmap%get_lc()
|
|
ip = idx(i)
|
|
if ((ip < 1 ).or.(ip>mglob)) then
|
|
idx(i) = -1
|
|
cycle
|
|
endif
|
|
nxt = ncol + 1
|
|
call hash_inner_cnv(ip,lip,idxmap%hashvmask,idxmap%hashv,idxmap%glb_lc,ncol)
|
|
if (lip < 0) &
|
|
& call psb_hash_searchinskey(ip,lip,nxt,idxmap%hash,info)
|
|
|
|
if (info >=0) then
|
|
if (nxt == lip) then
|
|
ncol = nxt
|
|
call psb_ensure_size(ncol,idxmap%loc_to_glob,info,pad=-1,addsz=200)
|
|
if (info /= psb_success_) then
|
|
info=1
|
|
ch_err='psb_ensure_size'
|
|
call psb_errpush(psb_err_from_subroutine_ai_,name,&
|
|
&a_err=ch_err,i_err=(/info,0,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
idxmap%loc_to_glob(nxt) = ip
|
|
call idxmap%set_lc(ncol)
|
|
endif
|
|
info = psb_success_
|
|
else
|
|
ch_err='SearchInsKeyVal'
|
|
call psb_errpush(psb_err_from_subroutine_ai_,name,&
|
|
& a_err=ch_err,i_err=(/info,0,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
idx(i) = lip
|
|
info = psb_success_
|
|
enddo
|
|
|
|
|
|
end if
|
|
|
|
else
|
|
! Wrong state
|
|
idx = -1
|
|
info = -1
|
|
end if
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_ret_) then
|
|
return
|
|
else
|
|
call psb_error(ictxt)
|
|
end if
|
|
return
|
|
|
|
end subroutine hash_g2lv1_ins
|
|
|
|
subroutine hash_g2lv2_ins(idxin,idxout,idxmap,info,mask)
|
|
implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
|
|
integer, intent(in) :: idxin(:)
|
|
integer, intent(out) :: idxout(:)
|
|
integer, intent(out) :: info
|
|
logical, intent(in), optional :: mask(:)
|
|
integer :: is, im
|
|
|
|
is = size(idxin)
|
|
im = min(is,size(idxout))
|
|
idxout(1:im) = idxin(1:im)
|
|
call idxmap%g2l_ins(idxout(1:im),info,mask)
|
|
if (is > im) then
|
|
write(0,*) 'g2lv2_ins err -3'
|
|
info = -3
|
|
end if
|
|
|
|
end subroutine hash_g2lv2_ins
|
|
|
|
subroutine hash_init_vl(idxmap,ictxt,vl,info)
|
|
use psb_penv_mod
|
|
use psb_error_mod
|
|
use psb_sort_mod
|
|
use psb_realloc_mod
|
|
implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
|
|
integer, intent(in) :: ictxt, vl(:)
|
|
integer, intent(out) :: info
|
|
! To be implemented
|
|
integer :: iam, np, i, nlu, nl, m, nrt,int_err(5)
|
|
integer, allocatable :: vlu(:)
|
|
character(len=20), parameter :: name='hash_map_init_vl'
|
|
|
|
info = 0
|
|
call psb_info(ictxt,iam,np)
|
|
if (np < 0) then
|
|
write(psb_err_unit,*) 'Invalid ictxt:',ictxt
|
|
info = -1
|
|
return
|
|
end if
|
|
|
|
nl = size(vl)
|
|
|
|
m = maxval(vl(1:nl))
|
|
nrt = nl
|
|
call psb_sum(ictxt,nrt)
|
|
call psb_max(ictxt,m)
|
|
|
|
allocate(vlu(nl), stat=info)
|
|
if (info /= 0) then
|
|
info = -1
|
|
return
|
|
end if
|
|
|
|
do i=1,nl
|
|
if ((vl(i)<1).or.(vl(i)>m)) then
|
|
info = psb_err_entry_out_of_bounds_
|
|
int_err(1) = i
|
|
int_err(2) = vl(i)
|
|
int_err(3) = nl
|
|
int_err(4) = m
|
|
exit
|
|
endif
|
|
vlu(i) = vl(i)
|
|
end do
|
|
|
|
if ((m /= nrt).and.(iam == psb_root_)) then
|
|
write(psb_err_unit,*) trim(name),&
|
|
& ' Warning: globalcheck=.false., but there is a mismatch'
|
|
write(psb_err_unit,*) trim(name),&
|
|
& ' : in the global sizes!',m,nrt
|
|
end if
|
|
!
|
|
! Now sort the input items, and check for duplicates
|
|
! (unlikely, but possible)
|
|
!
|
|
call psb_msort_unique(vlu,nlu)
|
|
if (nlu /= nl) then
|
|
write(0,*) 'Warning: duplicates in input'
|
|
end if
|
|
|
|
call hash_init_vlu(idxmap,ictxt,m,nlu,vlu,info)
|
|
|
|
end subroutine hash_init_vl
|
|
|
|
subroutine hash_init_vg(idxmap,ictxt,vg,info)
|
|
use psb_penv_mod
|
|
use psb_error_mod
|
|
implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
|
|
integer, intent(in) :: ictxt, vg(:)
|
|
integer, intent(out) :: info
|
|
! To be implemented
|
|
integer :: iam, np, i, j, nl, n, int_err(5)
|
|
integer, allocatable :: vlu(:)
|
|
|
|
info = 0
|
|
call psb_info(ictxt,iam,np)
|
|
if (np < 0) then
|
|
write(psb_err_unit,*) 'Invalid ictxt:',ictxt
|
|
info = -1
|
|
return
|
|
end if
|
|
|
|
n = size(vg)
|
|
nl = 0
|
|
do i=1, n
|
|
if ((vg(i)<0).or.(vg(i)>=np)) then
|
|
info = psb_err_partfunc_wrong_pid_
|
|
int_err(1) = 3
|
|
int_err(2) = vg(i)
|
|
int_err(3) = i
|
|
exit
|
|
endif
|
|
if (vg(i) == iam) nl = nl + 1
|
|
end do
|
|
|
|
allocate(vlu(nl), stat=info)
|
|
if (info /= 0) then
|
|
info = -1
|
|
return
|
|
end if
|
|
|
|
j = 0
|
|
do i=1, n
|
|
if (vg(i) == iam) then
|
|
j = j + 1
|
|
vlu(j) = i
|
|
end if
|
|
end do
|
|
|
|
|
|
call hash_init_vlu(idxmap,ictxt,n,nl,vlu,info)
|
|
|
|
|
|
end subroutine hash_init_vg
|
|
|
|
|
|
subroutine hash_init_vlu(idxmap,ictxt,ntot,nl,vlu,info)
|
|
use psb_penv_mod
|
|
use psb_error_mod
|
|
use psb_sort_mod
|
|
use psb_realloc_mod
|
|
implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
|
|
integer, intent(in) :: ictxt, vlu(:), nl, ntot
|
|
integer, intent(out) :: info
|
|
! To be implemented
|
|
integer :: iam, np, i, j, lc2, nlu, m, nrt,int_err(5)
|
|
character(len=20), parameter :: name='hash_map_init_vlu'
|
|
|
|
info = 0
|
|
call psb_info(ictxt,iam,np)
|
|
if (np < 0) then
|
|
write(psb_err_unit,*) 'Invalid ictxt:',ictxt
|
|
info = -1
|
|
return
|
|
end if
|
|
|
|
idxmap%global_rows = ntot
|
|
idxmap%global_cols = ntot
|
|
idxmap%local_rows = nl
|
|
idxmap%local_cols = nl
|
|
idxmap%ictxt = ictxt
|
|
idxmap%state = psb_desc_bld_
|
|
call psb_get_mpicomm(ictxt,idxmap%mpic)
|
|
|
|
lc2 = int(1.5*nl)
|
|
allocate(idxmap%hash,idxmap%loc_to_glob(lc2),stat=info)
|
|
if (info /= 0) then
|
|
info = -2
|
|
return
|
|
end if
|
|
|
|
call psb_hash_init(nl,idxmap%hash,info)
|
|
if (info /= 0) then
|
|
write(0,*) 'from Hash_Init inside init_vlu',info
|
|
info = -3
|
|
return
|
|
endif
|
|
|
|
do i=1, nl
|
|
idxmap%loc_to_glob(i) = vlu(i)
|
|
end do
|
|
|
|
call hash_bld_g2l_map(idxmap,info)
|
|
call idxmap%set_state(psb_desc_bld_)
|
|
|
|
end subroutine hash_init_vlu
|
|
|
|
|
|
|
|
subroutine hash_bld_g2l_map(idxmap,info)
|
|
use psb_penv_mod
|
|
use psb_error_mod
|
|
use psb_sort_mod
|
|
use psb_realloc_mod
|
|
implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
|
|
integer, intent(out) :: info
|
|
! To be implemented
|
|
integer :: ictxt, iam, np, i, j, m, nl
|
|
integer :: key, ih, nh, idx, nbits, hsize, hmask
|
|
character(len=20), parameter :: name='hash_map_init_vlu'
|
|
|
|
info = 0
|
|
ictxt = idxmap%get_ctxt()
|
|
|
|
call psb_info(ictxt,iam,np)
|
|
if (np < 0) then
|
|
write(psb_err_unit,*) 'Invalid ictxt:',ictxt
|
|
info = -1
|
|
return
|
|
end if
|
|
|
|
nl = idxmap%get_lc()
|
|
|
|
call psb_realloc(nl,2,idxmap%glb_lc,info)
|
|
|
|
nbits = psb_hash_bits
|
|
hsize = 2**nbits
|
|
do
|
|
if (hsize < 0) then
|
|
! This should never happen for sane values
|
|
! of psb_max_hash_bits.
|
|
write(psb_err_unit,*) &
|
|
& 'Error: hash size overflow ',hsize,nbits
|
|
info = -2
|
|
return
|
|
end if
|
|
if (hsize > nl) exit
|
|
if (nbits >= psb_max_hash_bits) exit
|
|
nbits = nbits + 1
|
|
hsize = hsize * 2
|
|
end do
|
|
|
|
hmask = hsize - 1
|
|
idxmap%hashvsize = hsize
|
|
idxmap%hashvmask = hmask
|
|
|
|
if (info == psb_success_) &
|
|
& call psb_realloc(hsize+1,idxmap%hashv,info,lb=0)
|
|
if (info /= psb_success_) then
|
|
! !$ ch_err='psb_realloc'
|
|
! !$ call psb_errpush(info,name,a_err=ch_err)
|
|
! !$ goto 9999
|
|
info = -4
|
|
return
|
|
end if
|
|
|
|
idxmap%hashv(:) = 0
|
|
|
|
do i=1, nl
|
|
key = idxmap%loc_to_glob(i)
|
|
ih = iand(key,hmask)
|
|
idxmap%hashv(ih) = idxmap%hashv(ih) + 1
|
|
end do
|
|
|
|
nh = idxmap%hashv(0)
|
|
idx = 1
|
|
|
|
do i=1, hsize
|
|
idxmap%hashv(i-1) = idx
|
|
idx = idx + nh
|
|
nh = idxmap%hashv(i)
|
|
end do
|
|
|
|
do i=1, nl
|
|
key = idxmap%loc_to_glob(i)
|
|
ih = iand(key,hmask)
|
|
idx = idxmap%hashv(ih)
|
|
idxmap%glb_lc(idx,1) = key
|
|
idxmap%glb_lc(idx,2) = i
|
|
idxmap%hashv(ih) = idxmap%hashv(ih) + 1
|
|
end do
|
|
|
|
do i = hsize, 1, -1
|
|
idxmap%hashv(i) = idxmap%hashv(i-1)
|
|
end do
|
|
|
|
idxmap%hashv(0) = 1
|
|
do i=0, hsize-1
|
|
idx = idxmap%hashv(i)
|
|
nh = idxmap%hashv(i+1) - idxmap%hashv(i)
|
|
if (nh > 1) then
|
|
call psb_msort(idxmap%glb_lc(idx:idx+nh-1,1),&
|
|
& ix=idxmap%glb_lc(idx:idx+nh-1,2),&
|
|
& flag=psb_sort_keep_idx_)
|
|
end if
|
|
end do
|
|
|
|
end subroutine hash_bld_g2l_map
|
|
|
|
|
|
subroutine hash_asb(idxmap,info)
|
|
use psb_penv_mod
|
|
use psb_error_mod
|
|
use psb_realloc_mod
|
|
use psb_sort_mod
|
|
implicit none
|
|
class(psb_hash_map), intent(inout) :: idxmap
|
|
integer, intent(out) :: info
|
|
|
|
integer :: nhal, ictxt, iam, np
|
|
|
|
info = 0
|
|
ictxt = idxmap%get_ctxt()
|
|
call psb_info(ictxt,iam,np)
|
|
|
|
nhal = max(0,idxmap%local_cols-idxmap%local_rows)
|
|
|
|
call hash_bld_g2l_map(idxmap,info)
|
|
if (info /= 0) then
|
|
write(0,*) 'Error from bld_g2l_map', info
|
|
return
|
|
end if
|
|
|
|
call psb_free(idxmap%hash,info)
|
|
if (info == 0) deallocate(idxmap%hash,stat=info)
|
|
if (info /= 0) then
|
|
write(0,*) 'Error from hash free', info
|
|
return
|
|
end if
|
|
|
|
call idxmap%set_state(psb_desc_asb_)
|
|
|
|
end subroutine hash_asb
|
|
|
|
function hash_get_fmt() result(res)
|
|
implicit none
|
|
character(len=5) :: res
|
|
res = 'HASH'
|
|
end function hash_get_fmt
|
|
|
|
|
|
subroutine hash_inner_cnvs1(x,hashmask,hashv,glb_lc,nrm)
|
|
|
|
integer, intent(in) :: hashmask,hashv(0:),glb_lc(:,:)
|
|
integer, intent(inout) :: x
|
|
integer, intent(in) :: nrm
|
|
integer :: ih, key, idx,nh,tmp,lb,ub,lm
|
|
!
|
|
! When a large descriptor is assembled the indices
|
|
! are kept in a (hashed) list of ordered lists.
|
|
! Thus we first hash the index, then we do a binary search on the
|
|
! ordered sublist. The hashing is based on the low-order bits
|
|
! for a width of psb_hash_bits
|
|
!
|
|
|
|
key = x
|
|
ih = iand(key,hashmask)
|
|
idx = hashv(ih)
|
|
nh = hashv(ih+1) - hashv(ih)
|
|
if (nh > 0) then
|
|
tmp = -1
|
|
lb = idx
|
|
ub = idx+nh-1
|
|
do
|
|
if (lb>ub) exit
|
|
lm = (lb+ub)/2
|
|
if (key == glb_lc(lm,1)) then
|
|
tmp = lm
|
|
exit
|
|
else if (key<glb_lc(lm,1)) then
|
|
ub = lm - 1
|
|
else
|
|
lb = lm + 1
|
|
end if
|
|
end do
|
|
else
|
|
tmp = -1
|
|
end if
|
|
if (tmp > 0) then
|
|
x = glb_lc(tmp,2)
|
|
if (x > nrm) then
|
|
x = -1
|
|
end if
|
|
else
|
|
x = tmp
|
|
end if
|
|
end subroutine hash_inner_cnvs1
|
|
|
|
subroutine hash_inner_cnvs2(x,y,hashmask,hashv,glb_lc,nrm)
|
|
integer, intent(in) :: hashmask,hashv(0:),glb_lc(:,:)
|
|
integer, intent(in) :: x
|
|
integer, intent(out) :: y
|
|
integer, intent(in) :: nrm
|
|
integer :: ih, key, idx,nh,tmp,lb,ub,lm
|
|
!
|
|
! When a large descriptor is assembled the indices
|
|
! are kept in a (hashed) list of ordered lists.
|
|
! Thus we first hash the index, then we do a binary search on the
|
|
! ordered sublist. The hashing is based on the low-order bits
|
|
! for a width of psb_hash_bits
|
|
!
|
|
|
|
key = x
|
|
ih = iand(key,hashmask)
|
|
idx = hashv(ih)
|
|
nh = hashv(ih+1) - hashv(ih)
|
|
if (nh > 0) then
|
|
tmp = -1
|
|
lb = idx
|
|
ub = idx+nh-1
|
|
do
|
|
if (lb>ub) exit
|
|
lm = (lb+ub)/2
|
|
if (key == glb_lc(lm,1)) then
|
|
tmp = lm
|
|
exit
|
|
else if (key<glb_lc(lm,1)) then
|
|
ub = lm - 1
|
|
else
|
|
lb = lm + 1
|
|
end if
|
|
end do
|
|
else
|
|
tmp = -1
|
|
end if
|
|
if (tmp > 0) then
|
|
y = glb_lc(tmp,2)
|
|
if (y > nrm) then
|
|
y = -1
|
|
end if
|
|
else
|
|
y = tmp
|
|
end if
|
|
end subroutine hash_inner_cnvs2
|
|
|
|
|
|
subroutine hash_inner_cnv1(n,x,hashmask,hashv,glb_lc,mask,nrm)
|
|
integer, intent(in) :: n,hashmask,hashv(0:),glb_lc(:,:)
|
|
logical, intent(in), optional :: mask(:)
|
|
integer, intent(in), optional :: nrm
|
|
integer, intent(inout) :: x(:)
|
|
|
|
integer :: i, ih, key, idx,nh,tmp,lb,ub,lm
|
|
!
|
|
! When a large descriptor is assembled the indices
|
|
! are kept in a (hashed) list of ordered lists.
|
|
! Thus we first hash the index, then we do a binary search on the
|
|
! ordered sublist. The hashing is based on the low-order bits
|
|
! for a width of psb_hash_bits
|
|
!
|
|
if (present(mask)) then
|
|
do i=1, n
|
|
if (mask(i)) then
|
|
key = x(i)
|
|
ih = iand(key,hashmask)
|
|
idx = hashv(ih)
|
|
nh = hashv(ih+1) - hashv(ih)
|
|
if (nh > 0) then
|
|
tmp = -1
|
|
lb = idx
|
|
ub = idx+nh-1
|
|
do
|
|
if (lb>ub) exit
|
|
lm = (lb+ub)/2
|
|
if (key == glb_lc(lm,1)) then
|
|
tmp = lm
|
|
exit
|
|
else if (key<glb_lc(lm,1)) then
|
|
ub = lm - 1
|
|
else
|
|
lb = lm + 1
|
|
end if
|
|
end do
|
|
else
|
|
tmp = -1
|
|
end if
|
|
if (tmp > 0) then
|
|
x(i) = glb_lc(tmp,2)
|
|
if (present(nrm)) then
|
|
if (x(i) > nrm) then
|
|
x(i) = -1
|
|
end if
|
|
end if
|
|
else
|
|
x(i) = tmp
|
|
end if
|
|
end if
|
|
end do
|
|
else
|
|
do i=1, n
|
|
key = x(i)
|
|
ih = iand(key,hashmask)
|
|
idx = hashv(ih)
|
|
nh = hashv(ih+1) - hashv(ih)
|
|
if (nh > 0) then
|
|
tmp = -1
|
|
lb = idx
|
|
ub = idx+nh-1
|
|
do
|
|
if (lb>ub) exit
|
|
lm = (lb+ub)/2
|
|
if (key == glb_lc(lm,1)) then
|
|
tmp = lm
|
|
exit
|
|
else if (key<glb_lc(lm,1)) then
|
|
ub = lm - 1
|
|
else
|
|
lb = lm + 1
|
|
end if
|
|
end do
|
|
else
|
|
tmp = -1
|
|
end if
|
|
if (tmp > 0) then
|
|
x(i) = glb_lc(tmp,2)
|
|
if (present(nrm)) then
|
|
if (x(i) > nrm) then
|
|
x(i) = -1
|
|
end if
|
|
end if
|
|
else
|
|
x(i) = tmp
|
|
end if
|
|
end do
|
|
end if
|
|
end subroutine hash_inner_cnv1
|
|
|
|
subroutine hash_inner_cnv2(n,x,y,hashmask,hashv,glb_lc,mask,nrm)
|
|
integer, intent(in) :: n, hashmask,hashv(0:),glb_lc(:,:)
|
|
logical, intent(in), optional :: mask(:)
|
|
integer, intent(in), optional :: nrm
|
|
integer, intent(in) :: x(:)
|
|
integer, intent(out) :: y(:)
|
|
|
|
integer :: i, ih, key, idx,nh,tmp,lb,ub,lm
|
|
!
|
|
! When a large descriptor is assembled the indices
|
|
! are kept in a (hashed) list of ordered lists.
|
|
! Thus we first hash the index, then we do a binary search on the
|
|
! ordered sublist. The hashing is based on the low-order bits
|
|
! for a width of psb_hash_bits
|
|
!
|
|
if (present(mask)) then
|
|
do i=1, n
|
|
if (mask(i)) then
|
|
key = x(i)
|
|
ih = iand(key,hashmask)
|
|
if (ih > ubound(hashv,1) ) then
|
|
write(psb_err_unit,*) ' In inner cnv: ',ih,ubound(hashv)
|
|
end if
|
|
idx = hashv(ih)
|
|
nh = hashv(ih+1) - hashv(ih)
|
|
if (nh > 0) then
|
|
tmp = -1
|
|
lb = idx
|
|
ub = idx+nh-1
|
|
do
|
|
if (lb>ub) exit
|
|
lm = (lb+ub)/2
|
|
if (key == glb_lc(lm,1)) then
|
|
tmp = lm
|
|
exit
|
|
else if (key<glb_lc(lm,1)) then
|
|
ub = lm - 1
|
|
else
|
|
lb = lm + 1
|
|
end if
|
|
end do
|
|
else
|
|
tmp = -1
|
|
end if
|
|
if (tmp > 0) then
|
|
y(i) = glb_lc(tmp,2)
|
|
if (present(nrm)) then
|
|
if (y(i) > nrm) then
|
|
y(i) = -1
|
|
end if
|
|
end if
|
|
else
|
|
y(i) = tmp
|
|
end if
|
|
end if
|
|
end do
|
|
|
|
else
|
|
|
|
do i=1, n
|
|
key = x(i)
|
|
ih = iand(key,hashmask)
|
|
if (ih > ubound(hashv,1) ) then
|
|
write(psb_err_unit,*) ' In inner cnv: ',ih,ubound(hashv)
|
|
end if
|
|
idx = hashv(ih)
|
|
nh = hashv(ih+1) - hashv(ih)
|
|
if (nh > 0) then
|
|
tmp = -1
|
|
lb = idx
|
|
ub = idx+nh-1
|
|
do
|
|
if (lb>ub) exit
|
|
lm = (lb+ub)/2
|
|
if (key == glb_lc(lm,1)) then
|
|
tmp = lm
|
|
exit
|
|
else if (key<glb_lc(lm,1)) then
|
|
ub = lm - 1
|
|
else
|
|
lb = lm + 1
|
|
end if
|
|
end do
|
|
else
|
|
tmp = -1
|
|
end if
|
|
if (tmp > 0) then
|
|
y(i) = glb_lc(tmp,2)
|
|
if (present(nrm)) then
|
|
if (y(i) > nrm) then
|
|
y(i) = -1
|
|
end if
|
|
end if
|
|
else
|
|
y(i) = tmp
|
|
end if
|
|
end do
|
|
end if
|
|
end subroutine hash_inner_cnv2
|
|
|
|
|
|
subroutine hash_clone(idxmap,outmap,info)
|
|
use psb_penv_mod
|
|
use psb_error_mod
|
|
use psb_realloc_mod
|
|
implicit none
|
|
class(psb_hash_map), intent(in) :: idxmap
|
|
class(psb_indx_map), allocatable, intent(out) :: outmap
|
|
integer, intent(out) :: info
|
|
Integer :: err_act
|
|
character(len=20) :: name='hash_clone'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_get_erraction(err_act)
|
|
if (allocated(outmap)) then
|
|
write(0,*) 'Error: should not be allocated on input'
|
|
info = -87
|
|
goto 9999
|
|
end if
|
|
|
|
allocate(psb_hash_map :: outmap, stat=info )
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
select type (outmap)
|
|
type is (psb_hash_map)
|
|
if (info == psb_success_) then
|
|
outmap%psb_indx_map = idxmap%psb_indx_map
|
|
outmap%hashvsize = idxmap%hashvsize
|
|
outmap%hashvmask = idxmap%hashvmask
|
|
allocate(outmap%hash, stat=info)
|
|
end if
|
|
if (info == psb_success_)&
|
|
& call psb_safe_ab_cpy(idxmap%loc_to_glob,outmap%loc_to_glob,info)
|
|
if (info == psb_success_)&
|
|
& call psb_safe_ab_cpy(idxmap%hashv,outmap%hashv,info)
|
|
if (info == psb_success_)&
|
|
& call psb_safe_ab_cpy(idxmap%glb_lc,outmap%glb_lc,info)
|
|
if (info == psb_success_)&
|
|
& call psb_hash_copy(idxmap%hash,outmap%hash,info)
|
|
class default
|
|
! This should be impossible
|
|
info = -1
|
|
end select
|
|
|
|
if (info /= psb_success_) then
|
|
info = psb_err_from_subroutine_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act /= psb_act_ret_) then
|
|
call psb_error()
|
|
end if
|
|
return
|
|
end subroutine hash_clone
|
|
|
|
|
|
end module psb_hash_map_mod
|