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@ -39,8 +39,23 @@
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!
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!
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!
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! File: mld_d_tlu_solver_mod.f90
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!
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! Module: mld_d_tlu_solver_mod
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!
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! This module serves as an example of how to define a new solver and integrate
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! it in MLD2P4 via the P%SET(sv,info) method.
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! The solver itself is really nothing other than the ILU solver disguised under a new name.
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!
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! The code is divided in two files:
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! 1. The interface file (this one)
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! 2. The implementation file (mld_d_tlu_solver_impl.f90)
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!
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! The separation between interface and iplementation is an essential part of the
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! object-oriented design. The most appropriate tool would be to have the implementation
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! in a SUBMODULE, something which we plan to do at some point in the future but will
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! need to check for compiler support.
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!
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!
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!
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@ -52,22 +67,30 @@ module mld_d_tlu_solver
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type, extends(mld_d_base_solver_type) :: mld_d_tlu_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(psb_d_vect_type) :: dv
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integer :: fact_type, fill_in
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real(psb_dpk_) :: thresh
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type(psb_d_vect_type) :: dv
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integer(psb_ipk_) :: fact_type, fill_in
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real(psb_dpk_) :: thresh
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contains
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procedure, pass(sv) :: dump => mld_d_tlu_solver_dmp
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procedure, pass(sv) :: dump => mld_d_tlu_solver_dmp
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procedure, pass(sv) :: ccheck => d_tlu_solver_check
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procedure, pass(sv) :: clone => mld_d_tlu_solver_clone
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procedure, pass(sv) :: build => mld_d_tlu_solver_bld
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procedure, pass(sv) :: cnv => mld_d_tlu_solver_cnv
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procedure, pass(sv) :: apply_v => mld_d_tlu_solver_apply_vect
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procedure, pass(sv) :: apply_a => mld_d_tlu_solver_apply
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procedure, pass(sv) :: free => d_tlu_solver_free
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procedure, pass(sv) :: seti => d_tlu_solver_seti
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procedure, pass(sv) :: setc => d_tlu_solver_setc
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procedure, pass(sv) :: setr => d_tlu_solver_setr
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procedure, pass(sv) :: cseti => d_tlu_solver_cseti
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procedure, pass(sv) :: csetc => d_tlu_solver_csetc
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procedure, pass(sv) :: csetr => d_tlu_solver_csetr
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procedure, pass(sv) :: descr => d_tlu_solver_descr
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procedure, pass(sv) :: default => d_tlu_solver_default
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procedure, pass(sv) :: sizeof => d_tlu_solver_sizeof
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procedure, pass(sv) :: get_nzeros => d_tlu_solver_get_nzeros
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procedure, nopass :: get_fmt => d_tlu_solver_get_fmt
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procedure, nopass :: get_id => d_tlu_solver_get_id
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end type mld_d_tlu_solver_type
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@ -89,62 +112,99 @@ module mld_d_tlu_solver
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interface
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subroutine mld_d_tlu_solver_apply_vect(alpha,sv,x,beta,y,desc_data,trans,work,info)
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subroutine mld_d_tlu_solver_apply_vect(alpha,sv,x,beta,y,desc_data,&
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& trans,work,info,init,initu)
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import :: psb_desc_type, mld_d_tlu_solver_type, psb_d_vect_type, psb_dpk_, &
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_
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type(psb_desc_type), intent(in) :: desc_data
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class(mld_d_tlu_solver_type), intent(inout) :: sv
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type(psb_d_vect_type),intent(inout) :: x
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type(psb_d_vect_type),intent(inout) :: y
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real(psb_dpk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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real(psb_dpk_),target, intent(inout) :: work(:)
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integer, intent(out) :: info
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real(psb_dpk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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real(psb_dpk_),target, intent(inout) :: work(:)
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integer(psb_ipk_), intent(out) :: info
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character, intent(in), optional :: init
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type(psb_d_vect_type),intent(inout), optional :: initu
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end subroutine mld_d_tlu_solver_apply_vect
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end interface
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interface
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subroutine mld_d_tlu_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info)
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subroutine mld_d_tlu_solver_apply(alpha,sv,x,beta,y,desc_data,&
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& trans,work,info,init,initu)
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import :: psb_desc_type, mld_d_tlu_solver_type, psb_d_vect_type, psb_dpk_, &
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_
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implicit none
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type(psb_desc_type), intent(in) :: desc_data
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class(mld_d_tlu_solver_type), intent(inout) :: sv
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real(psb_dpk_),intent(inout) :: x(:)
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real(psb_dpk_),intent(inout) :: y(:)
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real(psb_dpk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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character(len=1),intent(in) :: trans
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real(psb_dpk_),target, intent(inout) :: work(:)
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integer, intent(out) :: info
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integer(psb_ipk_), intent(out) :: info
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character, intent(in), optional :: init
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real(psb_dpk_),intent(inout), optional :: initu(:)
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end subroutine mld_d_tlu_solver_apply
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end interface
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interface
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subroutine mld_d_tlu_solver_bld(a,desc_a,sv,upd,info,b,amold,vmold)
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subroutine mld_d_tlu_solver_bld(a,desc_a,sv,info,b,amold,vmold, imold)
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import :: psb_desc_type, mld_d_tlu_solver_type, psb_d_vect_type, psb_dpk_, &
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type,&
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& psb_ipk_, psb_i_base_vect_type
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implicit none
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type(psb_dspmat_type), intent(in), target :: a
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Type(psb_desc_type), Intent(in) :: desc_a
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class(mld_d_tlu_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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integer(psb_ipk_), intent(out) :: info
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type(psb_dspmat_type), intent(in), target, optional :: b
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class(psb_d_base_sparse_mat), intent(in), optional :: amold
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class(psb_d_base_vect_type), intent(in), optional :: vmold
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class(psb_i_base_vect_type), intent(in), optional :: imold
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end subroutine mld_d_tlu_solver_bld
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end interface
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interface
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subroutine mld_d_tlu_solver_cnv(sv,info,amold,vmold,imold)
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import :: mld_d_tlu_solver_type, psb_dpk_, &
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& psb_d_base_sparse_mat, psb_d_base_vect_type,&
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& psb_ipk_, psb_i_base_vect_type
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implicit none
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class(mld_d_tlu_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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class(psb_d_base_sparse_mat), intent(in), optional :: amold
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class(psb_d_base_vect_type), intent(in), optional :: vmold
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class(psb_i_base_vect_type), intent(in), optional :: imold
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end subroutine mld_d_tlu_solver_cnv
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end interface
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interface
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subroutine mld_d_tlu_solver_dmp(sv,ictxt,level,info,prefix,head,solver)
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import :: psb_desc_type, mld_d_tlu_solver_type, psb_d_vect_type, psb_dpk_, &
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type
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& psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_
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class(mld_d_tlu_solver_type), intent(in) :: sv
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integer, intent(in) :: ictxt,level
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integer, intent(out) :: info
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integer(psb_ipk_), intent(in) :: ictxt
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integer(psb_ipk_), intent(in) :: level
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integer(psb_ipk_), intent(out) :: info
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character(len=*), intent(in), optional :: prefix, head
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logical, optional, intent(in) :: solver
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end subroutine mld_d_tlu_solver_dmp
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end interface
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interface
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subroutine mld_d_tlu_solver_clone(sv,svout,info)
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import :: psb_desc_type, psb_dspmat_type, psb_d_base_sparse_mat, &
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& psb_d_vect_type, psb_d_base_vect_type, psb_dpk_, &
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& mld_d_base_solver_type, mld_d_tlu_solver_type, psb_ipk_
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Implicit None
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! Arguments
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class(mld_d_tlu_solver_type), intent(inout) :: sv
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class(mld_d_base_solver_type), allocatable, intent(inout) :: svout
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integer(psb_ipk_), intent(out) :: info
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end subroutine mld_d_tlu_solver_clone
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end interface
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contains
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@ -168,8 +228,8 @@ contains
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! Arguments
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class(mld_d_tlu_solver_type), intent(inout) :: sv
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integer, intent(out) :: info
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Integer :: err_act
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='d_tlu_solver_check'
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call psb_erractionsave(err_act)
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@ -181,7 +241,7 @@ contains
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select case(sv%fact_type)
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case(mld_ilu_n_,mld_milu_n_)
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call mld_check_def(sv%fill_in,&
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& 'Level',0,is_legal_ml_lev)
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& 'Level',izero,is_int_non_negative)
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case(mld_ilu_t_)
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call mld_check_def(sv%thresh,&
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& 'Eps',dzero,is_legal_d_fact_thrs)
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@ -193,8 +253,8 @@ contains
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return
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9999 call psb_error_handler(err_act)
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return
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return
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end subroutine d_tlu_solver_check
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@ -204,10 +264,10 @@ contains
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! Arguments
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class(mld_d_tlu_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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integer(psb_ipk_), intent(in) :: what
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integer(psb_ipk_), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='d_tlu_solver_seti'
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info = psb_success_
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@ -219,16 +279,14 @@ contains
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case(mld_sub_fillin_)
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sv%fill_in = val
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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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call sv%mld_d_base_solver_type%set(what,val,info)
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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 call psb_error_handler(err_act)
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return
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return
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end subroutine d_tlu_solver_seti
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subroutine d_tlu_solver_setc(sv,what,val,info)
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@ -237,22 +295,26 @@ contains
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! Arguments
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class(mld_d_tlu_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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integer(psb_ipk_), intent(in) :: what
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character(len=*), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: err_act, ival
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character(len=20) :: name='d_tlu_solver_setc'
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info = psb_success_
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call psb_erractionsave(err_act)
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ival = sv%stringval(val)
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if (ival >=0) then
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if (ival >= 0) then
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call sv%set(what,ival,info)
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end if
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if (info /= psb_success_) goto 9999
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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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|
@ -268,10 +330,10 @@ contains
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! Arguments
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|
class(mld_d_tlu_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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integer(psb_ipk_), intent(in) :: what
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real(psb_dpk_), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='d_tlu_solver_setr'
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call psb_erractionsave(err_act)
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@ -281,27 +343,118 @@ contains
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case(mld_sub_iluthrs_)
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sv%thresh = val
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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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call sv%mld_d_base_solver_type%set(what,val,info)
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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 call psb_error_handler(err_act)
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return
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return
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end subroutine d_tlu_solver_setr
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subroutine d_tlu_solver_cseti(sv,what,val,info)
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Implicit None
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|
! Arguments
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|
|
|
class(mld_d_tlu_solver_type), intent(inout) :: sv
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character(len=*), intent(in) :: what
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integer(psb_ipk_), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='d_tlu_solver_cseti'
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info = psb_success_
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|
call psb_erractionsave(err_act)
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|
|
select case(psb_toupper(what))
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|
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case('SUB_SOLVE')
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|
|
sv%fact_type = val
|
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|
case('SUB_FILLIN')
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|
|
sv%fill_in = val
|
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|
|
case default
|
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|
|
|
call sv%mld_d_base_solver_type%set(what,val,info)
|
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|
|
end select
|
|
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|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
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|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(err_act)
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|
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|
|
return
|
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|
|
end subroutine d_tlu_solver_cseti
|
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|
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|
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|
|
subroutine d_tlu_solver_csetc(sv,what,val,info)
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|
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|
|
Implicit None
|
|
|
|
|
|
|
|
|
|
! Arguments
|
|
|
|
|
class(mld_d_tlu_solver_type), intent(inout) :: sv
|
|
|
|
|
character(len=*), intent(in) :: what
|
|
|
|
|
character(len=*), intent(in) :: val
|
|
|
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
|
integer(psb_ipk_) :: err_act, ival
|
|
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|
|
character(len=20) :: name='d_tlu_solver_csetc'
|
|
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|
|
info = psb_success_
|
|
|
|
|
call psb_erractionsave(err_act)
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|
|
ival = sv%stringval(val)
|
|
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|
|
if (ival >= 0) then
|
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|
|
call sv%set(what,ival,info)
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|
|
end if
|
|
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|
|
if (info /= psb_success_) then
|
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|
|
info = psb_err_from_subroutine_
|
|
|
|
|
call psb_errpush(info, name)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
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|
|
|
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|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
|
return
|
|
|
|
|
end subroutine d_tlu_solver_csetc
|
|
|
|
|
|
|
|
|
|
subroutine d_tlu_solver_csetr(sv,what,val,info)
|
|
|
|
|
|
|
|
|
|
Implicit None
|
|
|
|
|
|
|
|
|
|
! Arguments
|
|
|
|
|
class(mld_d_tlu_solver_type), intent(inout) :: sv
|
|
|
|
|
character(len=*), intent(in) :: what
|
|
|
|
|
real(psb_dpk_), intent(in) :: val
|
|
|
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
|
integer(psb_ipk_) :: err_act
|
|
|
|
|
character(len=20) :: name='d_tlu_solver_csetr'
|
|
|
|
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
info = psb_success_
|
|
|
|
|
|
|
|
|
|
select case(psb_toupper(what))
|
|
|
|
|
case('SUB_ILUTHRS')
|
|
|
|
|
sv%thresh = val
|
|
|
|
|
case default
|
|
|
|
|
call sv%mld_d_base_solver_type%set(what,val,info)
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
|
return
|
|
|
|
|
end subroutine d_tlu_solver_csetr
|
|
|
|
|
|
|
|
|
|
subroutine d_tlu_solver_free(sv,info)
|
|
|
|
|
|
|
|
|
|
Implicit None
|
|
|
|
|
|
|
|
|
|
! Arguments
|
|
|
|
|
class(mld_d_tlu_solver_type), intent(inout) :: sv
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
Integer :: err_act
|
|
|
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
|
integer(psb_ipk_) :: err_act
|
|
|
|
|
character(len=20) :: name='d_tlu_solver_free'
|
|
|
|
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
@ -323,8 +476,7 @@ contains
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
return
|
|
|
|
|
end subroutine d_tlu_solver_free
|
|
|
|
|
|
|
|
|
|
subroutine d_tlu_solver_descr(sv,info,iout,coarse)
|
|
|
|
|
@ -333,28 +485,27 @@ contains
|
|
|
|
|
|
|
|
|
|
! Arguments
|
|
|
|
|
class(mld_d_tlu_solver_type), intent(in) :: sv
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in), optional :: iout
|
|
|
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
|
integer(psb_ipk_), intent(in), optional :: iout
|
|
|
|
|
logical, intent(in), optional :: coarse
|
|
|
|
|
|
|
|
|
|
! Local variables
|
|
|
|
|
integer :: err_act
|
|
|
|
|
integer :: ictxt, me, np
|
|
|
|
|
integer(psb_ipk_) :: err_act
|
|
|
|
|
character(len=20), parameter :: name='mld_d_tlu_solver_descr'
|
|
|
|
|
integer :: iout_
|
|
|
|
|
integer(psb_ipk_) :: iout_
|
|
|
|
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
info = psb_success_
|
|
|
|
|
if (present(iout)) then
|
|
|
|
|
iout_ = iout
|
|
|
|
|
else
|
|
|
|
|
iout_ = 6
|
|
|
|
|
iout_ = psb_out_unit
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
write(iout_,*) ' TLU: template for a new solver type'
|
|
|
|
|
write(iout_,*) ' testing with a clone of ILU '
|
|
|
|
|
write(iout_,*) ' Incomplete factorization solver: ',&
|
|
|
|
|
& fact_names(sv%fact_type)
|
|
|
|
|
& mld_fact_names(sv%fact_type)
|
|
|
|
|
select case(sv%fact_type)
|
|
|
|
|
case(mld_ilu_n_,mld_milu_n_)
|
|
|
|
|
write(iout_,*) ' Fill level:',sv%fill_in
|
|
|
|
|
@ -367,8 +518,7 @@ contains
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
return
|
|
|
|
|
end subroutine d_tlu_solver_descr
|
|
|
|
|
|
|
|
|
|
function d_tlu_solver_get_nzeros(sv) result(val)
|
|
|
|
|
@ -377,7 +527,7 @@ contains
|
|
|
|
|
! Arguments
|
|
|
|
|
class(mld_d_tlu_solver_type), intent(in) :: sv
|
|
|
|
|
integer(psb_long_int_k_) :: val
|
|
|
|
|
integer :: i
|
|
|
|
|
integer(psb_ipk_) :: i
|
|
|
|
|
|
|
|
|
|
val = 0
|
|
|
|
|
val = val + sv%dv%get_nrows()
|
|
|
|
|
@ -393,7 +543,7 @@ contains
|
|
|
|
|
! Arguments
|
|
|
|
|
class(mld_d_tlu_solver_type), intent(in) :: sv
|
|
|
|
|
integer(psb_long_int_k_) :: val
|
|
|
|
|
integer :: i
|
|
|
|
|
integer(psb_ipk_) :: i
|
|
|
|
|
|
|
|
|
|
val = 2*psb_sizeof_int + psb_sizeof_dp
|
|
|
|
|
val = val + sv%dv%sizeof()
|
|
|
|
|
@ -403,4 +553,18 @@ contains
|
|
|
|
|
return
|
|
|
|
|
end function d_tlu_solver_sizeof
|
|
|
|
|
|
|
|
|
|
function d_tlu_solver_get_fmt() result(val)
|
|
|
|
|
implicit none
|
|
|
|
|
character(len=32) :: val
|
|
|
|
|
|
|
|
|
|
val = "TLU solver"
|
|
|
|
|
end function d_tlu_solver_get_fmt
|
|
|
|
|
|
|
|
|
|
function d_tlu_solver_get_id() result(val)
|
|
|
|
|
implicit none
|
|
|
|
|
integer(psb_ipk_) :: val
|
|
|
|
|
|
|
|
|
|
val = mld_ilu_n_
|
|
|
|
|
end function d_tlu_solver_get_id
|
|
|
|
|
|
|
|
|
|
end module mld_d_tlu_solver
|
|
|
|
|
|
Salvatore Filippone
8 years ago