fdurastante
/
amg4psblas
mirror of https://github.com/sfilippone/amg4psblas.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Implemented MILU(0).

Browse Source
stopcriterion
Salvatore Filippone 17 years ago
parent 8a7f307da9
commit 6742f1e24b
10 changed files with 66 additions and 40 deletions
Show Stats Download Patch File Download Diff File

4
mlprec/mld_dbjac_aply.f90
Unescape Escape View File

@ -114,7 +114,7 @@ subroutine mld_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
if (prec%iprcparm(smooth_sweeps_) == 1) then
select case(prec%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
select case(toupper(trans))
case('N')
@ -204,7 +204,7 @@ subroutine mld_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
tx = dzero
ty = dzero
select case(prec%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
do i=1, prec%iprcparm(smooth_sweeps_)
! X(k+1) = M^-1*(b-N*X(k))
ty(1:n_row) = x(1:n_row)

4
mlprec/mld_dbjac_bld.f90
Unescape Escape View File

@ -182,7 +182,7 @@ subroutine mld_dbjac_bld(a,desc_a,p,upd,info)
select case(p%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
call psb_spcnv(atmp,info,afmt='csr',dupl=psb_dupl_add_)
if (info /= 0) then
@ -268,7 +268,7 @@ subroutine mld_dbjac_bld(a,desc_a,p,upd,info)
select case(p%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
if (p%iprcparm(smooth_sweeps_) > 1) then

3
mlprec/mld_dilu_bld.f90
Unescape Escape View File

@ -149,7 +149,8 @@ subroutine mld_dilu_bld(a,desc_a,p,upd,info,blck)
! Ok, factor the matrix.
!
t5 = psb_wtime()
call mld_ilu_fct(a,p%av(l_pr_),p%av(u_pr_),p%d,info,blck=blck)
call mld_ilu_fct(p%iprcparm(sub_solve_),a,p%av(l_pr_),p%av(u_pr_),&
& p%d,info,blck=blck)
if(info/=0) then
info=4010
ch_err='mld_ilu_fct'

30
mlprec/mld_dilu_fct.f90
Unescape Escape View File

@ -34,7 +34,7 @@
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
subroutine mld_dilu_fct(a,l,u,d,info,blck)
subroutine mld_dilu_fct(ialg,a,l,u,d,info,blck)
!
! This routine copies and factors "on the fly" from A and BLCK
@ -42,8 +42,10 @@ subroutine mld_dilu_fct(a,l,u,d,info,blck)
!
!
use psb_base_mod
use mld_prec_mod, mld_protect_name => mld_dilu_fct
implicit none
! .. Scalar Arguments ..
integer, intent(in) :: ialg
integer, intent(out) :: info
! .. Array Arguments ..
type(psb_dspmat_type),intent(in) :: a
@ -85,8 +87,7 @@ subroutine mld_dilu_fct(a,l,u,d,info,blck)
blck_%m=0
endif
!!$ write(0,*) 'ilu_fct: ',size(l%ia2),size(u%ia2),a%m,blck_%m
call mld_dilu_fctint(m,a%m,a,blck_%m,blck_,&
call mld_dilu_fctint(ialg,m,a%m,a,blck_%m,blck_,&
& d,l%aspk,l%ia1,l%ia2,u%aspk,u%ia1,u%ia2,l1,l2,info)
if(info.ne.0) then
info=4010
@ -130,10 +131,11 @@ subroutine mld_dilu_fct(a,l,u,d,info,blck)
return
contains
subroutine mld_dilu_fctint(m,ma,a,mb,b,&
subroutine mld_dilu_fctint(ialg,m,ma,a,mb,b,&
& d,laspk,lia1,lia2,uaspk,uia1,uia2,l1,l2,info)
implicit none
integer, intent(in) :: ialg
type(psb_dspmat_type) :: a,b
integer :: m,ma,mb,l1,l2,info
integer, dimension(:) :: lia1,lia2,uia1,uia2
@ -285,9 +287,13 @@ contains
enddo
end if
!
! for milu al=1.; for ilu al=0.
! al = 1.d0
! dia = dia - al*temp*aup(jj)
! If we get here we missed the cycle updateloop,
! which means that this entry does not match; thus
! we take it out of diagonal for MILU.
!
if (ialg == milu_n_) then
dia = dia - temp*uaspk(jj)
end if
enddo updateloop
enddo
!
@ -425,9 +431,13 @@ contains
enddo
end if
!
! for milu al=1.; for ilu al=0.
! al = 1.d0
! dia = dia - al*temp*aup(jj)
! If we get here we missed the cycle updateloop,
! which means that this entry does not match; thus
! we take it out of diagonal for MILU.
!
if (ialg == milu_n_) then
dia = dia - temp*uaspk(jj)
end if
enddo updateloopb
enddo
!

6
mlprec/mld_prec_mod.f90
Unescape Escape View File

@ -420,16 +420,18 @@ module mld_prec_mod
interface mld_ilu_fct
subroutine mld_dilu_fct(a,l,u,d,info,blck)
subroutine mld_dilu_fct(ialg,a,l,u,d,info,blck)
use psb_base_mod
integer, intent(in) :: ialg
integer, intent(out) :: info
type(psb_dspmat_type),intent(in) :: a
type(psb_dspmat_type),intent(inout) :: l,u
type(psb_dspmat_type),intent(in), optional, target :: blck
real(kind(1.d0)), intent(inout) :: d(:)
end subroutine mld_dilu_fct
subroutine mld_zilu_fct(a,l,u,d,info,blck)
subroutine mld_zilu_fct(ialg,a,l,u,d,info,blck)
use psb_base_mod
integer, intent(in) :: ialg
integer, intent(out) :: info
type(psb_zspmat_type),intent(in) :: a
type(psb_zspmat_type),intent(inout) :: l,u

11
mlprec/mld_prec_type.f90
Unescape Escape View File

@ -167,8 +167,8 @@ module mld_prec_type
integer, parameter :: pre_smooth_=1, post_smooth_=2, twoside_smooth_=3,&
& max_smooth_=twoside_smooth_
! Legal values for entry: sub_solve_
integer, parameter :: f_none_=0,ilu_n_=1,ilu_t_=2,slu_=3
integer, parameter :: umf_=4, sludist_=5
integer, parameter :: f_none_=0,ilu_n_=1,milu_n_=2, ilu_t_=3
integer, parameter :: slu_=4, umf_=5, sludist_=6
! Legal values for entry: aggr_alg_
integer, parameter :: dec_aggr_=0, sym_dec_aggr_=1
integer, parameter :: glb_aggr_=2, new_dec_aggr_=3
@ -184,7 +184,7 @@ module mld_prec_type
! Legal values for entry: sub_ren_
integer, parameter :: renum_none_=0, renum_glb_=1, renum_gps_=2
! Entries in dprcparm: ILU(E) epsilon, smoother omega
! Entries in dprcparm: ILU(T) epsilon, smoother omega
integer, parameter :: fact_eps_=1
integer, parameter :: aggr_damp_=2
integer, parameter :: aggr_thresh_=3
@ -217,8 +217,9 @@ module mld_prec_type
& ml_names(0:3)=(/'None ','Additive ','Multiplicative',&
& 'New ML '/)
character(len=15), parameter, private :: &
& fact_names(0:5)=(/'None ','ILU(n) ',&
& 'ILU(T) ','Sparse SuperLU','UMFPACK Sp. LU',&
& fact_names(0:6)=(/'None ','ILU(n) ',&
& 'MILU(n) ','ILU(T) ',&
& 'Sparse SuperLU','UMFPACK Sp. LU',&
& 'SuperLU_Dist '/)
interface mld_base_precfree

4
mlprec/mld_zbjac_aply.f90
Unescape Escape View File

@ -112,7 +112,7 @@ subroutine mld_zbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
select case(prec%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
select case(toupper(trans))
case('N')
@ -208,7 +208,7 @@ subroutine mld_zbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
tx = zzero
ty = zzero
select case(prec%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
do i=1, prec%iprcparm(smooth_sweeps_)
! X(k+1) = M^-1*(b-N*X(k))
ty(1:n_row) = x(1:n_row)

4
mlprec/mld_zbjac_bld.f90
Unescape Escape View File

@ -183,7 +183,7 @@ subroutine mld_zbjac_bld(a,desc_a,p,upd,info)
select case(p%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
call psb_spcnv(atmp,info,afmt='csr',dupl=psb_dupl_add_)
if (info /= 0) then
@ -269,7 +269,7 @@ subroutine mld_zbjac_bld(a,desc_a,p,upd,info)
select case(p%iprcparm(sub_solve_))
case(ilu_n_,ilu_t_)
case(ilu_n_,milu_n_,ilu_t_)
if (p%iprcparm(smooth_sweeps_) > 1) then

3
mlprec/mld_zilu_bld.f90
Unescape Escape View File

@ -148,7 +148,8 @@ subroutine mld_zilu_bld(a,desc_a,p,upd,info,blck)
! Ok, factor the matrix.
!
t5 = psb_wtime()
call mld_ilu_fct(a,p%av(l_pr_),p%av(u_pr_),p%d,info,blck=blck)
call mld_ilu_fct(p%iprcparm(sub_solve_),a,p%av(l_pr_),p%av(u_pr_),&
& p%d,info,blck=blck)
if(info/=0) then
info=4010
ch_err='mld_ilu_fct'

29
mlprec/mld_zilu_fct.f90
Unescape Escape View File

@ -34,7 +34,7 @@
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
subroutine mld_zilu_fct(a,l,u,d,info,blck)
subroutine mld_zilu_fct(ialg,a,l,u,d,info,blck)
!
! This routine copies and factors "on the fly" from A and BLCK
@ -42,8 +42,10 @@ subroutine mld_zilu_fct(a,l,u,d,info,blck)
!
!
use psb_base_mod
use mld_prec_mod, mld_protect_name => mld_zilu_fct
implicit none
! .. Scalar Arguments ..
integer, intent(in) :: ialg
integer, intent(out) :: info
! .. Array Arguments ..
type(psb_zspmat_type),intent(in) :: a
@ -82,7 +84,7 @@ subroutine mld_zilu_fct(a,l,u,d,info,blck)
blck_%m=0
endif
call mld_zilu_fctint(m,a%m,a,blck_%m,blck_,&
call mld_zilu_fctint(ialg,m,a%m,a,blck_%m,blck_,&
& d,l%aspk,l%ia1,l%ia2,u%aspk,u%ia1,u%ia2,l1,l2,info)
if(info.ne.0) then
info=4010
@ -126,10 +128,11 @@ subroutine mld_zilu_fct(a,l,u,d,info,blck)
return
contains
subroutine mld_zilu_fctint(m,ma,a,mb,b,&
subroutine mld_zilu_fctint(ialg,m,ma,a,mb,b,&
& d,laspk,lia1,lia2,uaspk,uia1,uia2,l1,l2,info)
implicit none
integer, intent(in) :: ialg
type(psb_zspmat_type) :: a,b
integer :: m,ma,mb,l1,l2,info
integer, dimension(:) :: lia1,lia2,uia1,uia2
@ -281,9 +284,13 @@ contains
enddo
end if
!
! for milu al=1.; for ilu al=0.
! al = 1.d0
! dia = dia - al*temp*aup(jj)
! If we get here we missed the cycle updateloop,
! which means that this entry does not match; thus
! we take it out of diagonal for MILU.
!
if (ialg == milu_n_) then
dia = dia - temp*uaspk(jj)
end if
enddo updateloop
enddo
!
@ -417,9 +424,13 @@ contains
enddo
end if
!
! for milu al=1.; for ilu al=0.
! al = 1.d0
! dia = dia - al*temp*aup(jj)
! If we get here we missed the cycle updateloop,
! which means that this entry does not match; thus
! we take it out of diagonal for MILU.
!
if (ialg == milu_n_) then
dia = dia - temp*uaspk(jj)
end if
enddo updateloopb
enddo
!

Write Preview
Loading…
Cancel
Save