mld2p4-2:
mlprec/Makefile mlprec/mld_base_prec_type.f90 mlprec/mld_c_prec_type.f90 mlprec/mld_d_umf_solver.f90 mlprec/mld_dumf_interface.c mlprec/mld_z_prec_type.f90 mlprec/mld_z_umf_solver.f90 mlprec/mld_zumf_interface.c tests/fileread/cf_sample.f90 tests/fileread/df_sample.f90 tests/fileread/runs/cfs.inp tests/fileread/runs/dfs.inp tests/fileread/runs/sfs.inp tests/fileread/runs/zfs.inp tests/fileread/sf_sample.f90 tests/fileread/zf_sample.f90 tests/pdegen/runs/ppde.inp Define Z_UMF_SOLVER.stopcriterion
Salvatore Filippone
14 years ago
parent
de26076648
commit
5da43576d9
@ -0,0 +1,470 @@
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!!$
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!!$
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!!$ MLD2P4 version 2.0
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!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package
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!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0)
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!!$
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!!$ (C) Copyright 2008,2009,2010, 2010
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!!$
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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!!$ Pasqua D'Ambra ICAR-CNR, Naples
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!!$ Daniela di Serafino Second University of Naples
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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 MLD2P4 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 MLD2P4 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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!
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!
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!
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!
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module mld_z_umf_solver
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use iso_c_binding
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use mld_z_prec_type
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type, extends(mld_z_base_solver_type) :: mld_z_umf_solver_type
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!!$ type(psb_dspmat_type) :: l, u
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!!$ real(psb_dpk_), allocatable :: d(:)
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type(c_ptr) :: symbolic=c_null_ptr, numeric=c_null_ptr
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integer(c_long_long) :: symbsize=0, numsize=0
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!!$ integer :: fact_type, fill_in
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!!$ real(psb_dpk_) :: thresh
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contains
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procedure, pass(sv) :: build => z_umf_solver_bld
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procedure, pass(sv) :: apply => z_umf_solver_apply
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procedure, pass(sv) :: free => z_umf_solver_free
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procedure, pass(sv) :: seti => z_umf_solver_seti
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procedure, pass(sv) :: setc => z_umf_solver_setc
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procedure, pass(sv) :: setr => z_umf_solver_setr
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procedure, pass(sv) :: descr => z_umf_solver_descr
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procedure, pass(sv) :: sizeof => z_umf_solver_sizeof
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end type mld_z_umf_solver_type
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private :: z_umf_solver_bld, z_umf_solver_apply, &
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& z_umf_solver_free, z_umf_solver_seti, &
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& z_umf_solver_setc, z_umf_solver_setr,&
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& z_umf_solver_descr, z_umf_solver_sizeof
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interface
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function mld_zumf_fact(n,nnz,values,rowind,colptr,&
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& symptr,numptr,ssize,nsize)&
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& bind(c,name='mld_zumf_fact') result(info)
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use iso_c_binding
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integer(c_int), value :: n,nnz
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integer(c_int) :: info
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integer(c_long_long) :: ssize, nsize
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integer(c_int) :: rowind(*),colptr(*)
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complex(c_double_complex) :: values(*)
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type(c_ptr) :: symptr, numptr
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end function mld_zumf_fact
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end interface
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interface
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function mld_zumf_solve(itrans,n,x, b, ldb, numptr)&
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& bind(c,name='mld_zumf_solve') result(info)
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use iso_c_binding
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integer(c_int) :: info
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integer(c_int), value :: itrans,n,ldb
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complex(c_double_complex) :: x(*), b(ldb,*)
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type(c_ptr), value :: numptr
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end function mld_zumf_solve
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end interface
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interface
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function mld_zumf_free(symptr, numptr)&
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& bind(c,name='mld_zumf_free') result(info)
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use iso_c_binding
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integer(c_int) :: info
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type(c_ptr), value :: symptr, numptr
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end function mld_zumf_free
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end interface
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contains
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subroutine z_umf_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info)
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use psb_sparse_mod
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type(psb_desc_type), intent(in) :: desc_data
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class(mld_z_umf_solver_type), intent(in) :: sv
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complex(psb_dpk_),intent(in) :: x(:)
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complex(psb_dpk_),intent(inout) :: y(:)
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complex(psb_dpk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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complex(psb_dpk_),target, intent(inout) :: work(:)
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integer, intent(out) :: info
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integer :: n_row,n_col
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complex(psb_dpk_), pointer :: ww(:)
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integer :: ictxt,np,me,i, err_act
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character :: trans_
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character(len=20) :: name='z_umf_solver_apply'
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call psb_erractionsave(err_act)
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info = psb_success_
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trans_ = psb_toupper(trans)
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select case(trans_)
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case('N')
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case('T','C')
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case default
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call psb_errpush(psb_err_iarg_invalid_i_,name)
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goto 9999
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end select
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n_row = psb_cd_get_local_rows(desc_data)
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n_col = psb_cd_get_local_cols(desc_data)
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if (n_col <= size(work)) then
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ww => work(1:n_col)
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else
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allocate(ww(n_col),stat=info)
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if (info /= psb_success_) then
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info=psb_err_alloc_request_
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call psb_errpush(info,name,i_err=(/n_col,0,0,0,0/),&
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& a_err='complex(psb_dpk_)')
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goto 9999
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end if
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endif
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select case(trans_)
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case('N')
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info = mld_zumf_solve(0,n_row,ww,x,n_row,sv%numeric)
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case('T','C')
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info = mld_zumf_solve(1,n_row,ww,x,n_row,sv%numeric)
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case default
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call psb_errpush(psb_err_internal_error_,name,a_err='Invalid TRANS in ILU subsolve')
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goto 9999
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end select
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if (info == psb_success_) call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_internal_error_,name,a_err='Error in subsolve')
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goto 9999
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endif
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if (n_col > size(work)) then
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deallocate(ww)
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endif
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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_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine z_umf_solver_apply
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subroutine z_umf_solver_bld(a,desc_a,sv,upd,info,b)
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use psb_sparse_mod
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Implicit None
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! Arguments
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type(psb_zspmat_type), intent(in), target :: a
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Type(psb_desc_type), Intent(in) :: desc_a
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class(mld_z_umf_solver_type), intent(inout) :: sv
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character, intent(in) :: upd
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integer, intent(out) :: info
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type(psb_zspmat_type), intent(in), target, optional :: b
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! Local variables
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type(psb_zspmat_type) :: atmp
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type(psb_z_csc_sparse_mat) :: acsc
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integer :: n_row,n_col, nrow_a, nztota
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integer :: ictxt,np,me,i, err_act, debug_unit, debug_level
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character(len=20) :: name='z_umf_solver_bld', ch_err
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info=psb_success_
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call psb_erractionsave(err_act)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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ictxt = psb_cd_get_context(desc_a)
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call psb_info(ictxt, me, np)
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),' start'
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n_row = psb_cd_get_local_rows(desc_a)
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n_col = psb_cd_get_local_cols(desc_a)
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if (psb_toupper(upd) == 'F') then
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call a%cscnv(atmp,info,type='coo')
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call psb_rwextd(n_row,atmp,info,b=b)
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call atmp%cscnv(info,type='csc',dupl=psb_dupl_add_)
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call atmp%mv_to(acsc)
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nrow_a = acsc%get_nrows()
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nztota = acsc%get_nzeros()
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! Fix the entres to call C-base UMFPACK.
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acsc%ia(:) = acsc%ia(:) - 1
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acsc%icp(:) = acsc%icp(:) - 1
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info = mld_zumf_fact(nrow_a,nztota,acsc%val,&
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& acsc%ia,acsc%icp,sv%symbolic,sv%numeric,&
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& sv%symbsize,sv%numsize)
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if (info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='mld_zumf_fact'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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call acsc%free()
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call atmp%free()
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else
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! ?
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info=psb_err_internal_error_
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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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if (debug_level >= psb_debug_outer_) &
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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 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine z_umf_solver_bld
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subroutine z_umf_solver_seti(sv,what,val,info)
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use psb_sparse_mod
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Implicit None
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! Arguments
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class(mld_z_umf_solver_type), intent(inout) :: sv
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integer, intent(in) :: what
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integer, intent(in) :: val
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integer, intent(out) :: info
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Integer :: err_act
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character(len=20) :: name='z_umf_solver_seti'
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info = psb_success_
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call psb_erractionsave(err_act)
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select case(what)
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case default
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!!$ write(0,*) name,': Error: invalid WHAT'
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!!$ info = -2
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end select
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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_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine z_umf_solver_seti
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subroutine z_umf_solver_setc(sv,what,val,info)
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use psb_sparse_mod
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Implicit None
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! Arguments
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class(mld_z_umf_solver_type), intent(inout) :: sv
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integer, intent(in) :: what
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character(len=*), intent(in) :: val
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integer, intent(out) :: info
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Integer :: err_act, ival
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character(len=20) :: name='z_umf_solver_setc'
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info = psb_success_
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call psb_erractionsave(err_act)
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call mld_stringval(val,ival,info)
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if (info == psb_success_) call sv%set(what,ival,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)
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goto 9999
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end if
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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_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine z_umf_solver_setc
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subroutine z_umf_solver_setr(sv,what,val,info)
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use psb_sparse_mod
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Implicit None
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! Arguments
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class(mld_z_umf_solver_type), intent(inout) :: sv
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integer, intent(in) :: what
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real(psb_dpk_), intent(in) :: val
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integer, intent(out) :: info
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Integer :: err_act
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character(len=20) :: name='z_umf_solver_setr'
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call psb_erractionsave(err_act)
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info = psb_success_
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select case(what)
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case default
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!!$ write(0,*) name,': Error: invalid WHAT'
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!!$ info = -2
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!!$ goto 9999
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end select
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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_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine z_umf_solver_setr
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subroutine z_umf_solver_free(sv,info)
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use psb_sparse_mod
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Implicit None
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! Arguments
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class(mld_z_umf_solver_type), intent(inout) :: sv
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integer, intent(out) :: info
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Integer :: err_act
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character(len=20) :: name='z_umf_solver_free'
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call psb_erractionsave(err_act)
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info = mld_zumf_free(sv%symbolic,sv%numeric)
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if (info /= psb_success_) goto 9999
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sv%symbolic = c_null_ptr
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sv%numeric = c_null_ptr
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sv%symbsize = 0
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sv%numsize = 0
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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_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine z_umf_solver_free
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subroutine z_umf_solver_descr(sv,info,iout)
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use psb_sparse_mod
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Implicit None
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! Arguments
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class(mld_z_umf_solver_type), intent(in) :: sv
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integer, intent(out) :: info
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integer, intent(in), optional :: iout
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! Local variables
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integer :: err_act
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integer :: ictxt, me, np
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character(len=20), parameter :: name='mld_z_umf_solver_descr'
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integer :: iout_
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(iout)) then
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iout_ = iout
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else
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iout_ = 6
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endif
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write(iout_,*) ' UMFPACK Sparse Factorization Solver. '
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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_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine z_umf_solver_descr
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function z_umf_solver_sizeof(sv) result(val)
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use psb_sparse_mod
|
||||
implicit none
|
||||
! Arguments
|
||||
class(mld_z_umf_solver_type), intent(in) :: sv
|
||||
integer(psb_long_int_k_) :: val
|
||||
integer :: i
|
||||
|
||||
val = 2*psb_sizeof_long_int
|
||||
val = val + sv%symbsize
|
||||
val = val + sv%numsize
|
||||
return
|
||||
end function z_umf_solver_sizeof
|
||||
|
||||
end module mld_z_umf_solver
|
||||
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Reference in New Issue