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123 lines
4.3 KiB
Fortran
123 lines
4.3 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 2.2
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!!$ (C) Copyright 2006/2007/2008
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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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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subroutine psb_cd_set_ovl_bld(desc,info)
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!
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! Change state of a descriptor into ovl_build.
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use psb_const_mod
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use psb_error_mod
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use psb_penv_mod
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use psi_mod
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use psb_descriptor_type
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use psb_tools_mod, psb_protect_name => psb_cd_set_ovl_bld
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implicit none
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type(psb_desc_type), intent(inout) :: desc
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integer :: info
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call psb_cd_set_bld(desc,info)
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if (info == 0) desc%matrix_data(psb_dec_type_) = psb_cd_ovl_bld_
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end subroutine psb_cd_set_ovl_bld
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subroutine psb_cd_set_bld(desc,info)
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!
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! Change state of a descriptor into BUILD.
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! If the descriptor is LARGE, check the AVL search tree
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! and initialize it if necessary.
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!
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use psb_const_mod
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use psb_error_mod
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use psb_penv_mod
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use psi_mod
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use psb_descriptor_type
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use psb_tools_mod, psb_protect_name => psb_cd_set_bld
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implicit none
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type(psb_desc_type), intent(inout) :: desc
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integer :: info
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!locals
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integer :: np,me,ictxt, err_act,idx,gidx,lidx,nc
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logical, parameter :: debug=.false.,debugprt=.false.
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character(len=20) :: name
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if (debug) write(0,*) me,'Entered CDCPY'
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if (psb_get_errstatus() /= 0) return
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info = 0
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call psb_erractionsave(err_act)
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name = 'psb_cd_set_bld'
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ictxt = psb_cd_get_context(desc)
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if (debug) write(0,*)'Entered CDSETBLD',ictxt
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! check on blacs grid
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call psb_info(ictxt, me, np)
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if (debug) write(0,*) me,'Entered CDSETBLD'
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if (psb_is_asb_desc(desc)) then
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end if
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desc%matrix_data(psb_dec_type_) = psb_desc_bld_
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if (psb_is_large_desc(desc)) then
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!
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! The idea: first build glb_lc with the info on
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! rows we already have, then leave space in
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! hash for newcomers (halo indices).
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! The policy is to allocate for as many entries
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! as there are rows; if we ever fill them up, we can
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! try and enlarge again, but by the time the hash
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! fills up it means we have as many halo as internals,
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! therefore there are much worse problems ahead than
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! the hash occupancy.
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!
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nc = psb_cd_get_local_cols(desc)
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if (info == 0)&
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& call psb_hash_init(nc,desc%idxmap%hash,info)
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if (info == 0) call psi_bld_g2lmap(desc,info)
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if (info /= 0) then
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call psb_errpush(4010,name,a_err='hashInit')
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goto 9999
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end if
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end if
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if (debug) write(0,*) me,'SET_BLD: done'
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_ret_) then
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return
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else
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call psb_error(ictxt)
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end if
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return
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end subroutine psb_cd_set_bld
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