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psblas:

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base/modules/psb_tools_mod.f90
base/tools/psb_dallc.f90
base/tools/psb_ialloc.f90
base/tools/psb_zallc.f90
krylov/psb_dcgstabl.f90
Fixed stupid bug in BiCGSTAB(L): the column index of a distributed
matrix might start from something else than 0. Changed allocation
routines.
psblas3-type-indexed
Salvatore Filippone 17 years ago
parent 3457f5987e
commit f24d39ec18
5 changed files with 132 additions and 187 deletions
Show Stats Download Patch File Download Diff File

16
base/modules/psb_tools_mod.f90
Unescape Escape View File

@ -35,13 +35,13 @@ Module psb_tools_mod
interface psb_geall
! 2-D double precision version
subroutine psb_dalloc(x, desc_a, info, n)
subroutine psb_dalloc(x, desc_a, info, n, lb)
use psb_descriptor_type
implicit none
real(kind(1.d0)), allocatable, intent(out) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer,intent(out) :: info
integer, optional, intent(in) :: n
integer, optional, intent(in) :: n, lb
end subroutine psb_dalloc
! 1-D double precision version
subroutine psb_dallocv(x, desc_a,info,n)
@ -52,12 +52,12 @@ Module psb_tools_mod
integer, optional, intent(in) :: n
end subroutine psb_dallocv
! 2-D integer version
subroutine psb_ialloc(x, desc_a, info,n)
subroutine psb_ialloc(x, desc_a, info,n, lb)
use psb_descriptor_type
integer, allocatable, intent(out) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, optional, intent(in) :: n
integer, optional, intent(in) :: n, lb
end subroutine psb_ialloc
subroutine psb_iallocv(x, desc_a,info,n)
use psb_descriptor_type
@ -66,16 +66,16 @@ Module psb_tools_mod
integer :: info
integer, optional, intent(in) :: n
end subroutine psb_iallocv
! 2-D double precision version
subroutine psb_zalloc(x, desc_a, info, n)
! 2-D double complex version
subroutine psb_zalloc(x, desc_a, info, n, lb)
use psb_descriptor_type
implicit none
complex(kind(1.d0)), allocatable, intent(out) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer :: info
integer, optional, intent(in) :: n
integer, optional, intent(in) :: n, lb
end subroutine psb_zalloc
! 1-D double precision version
! 1-D double complex version
subroutine psb_zallocv(x, desc_a,info,n)
use psb_descriptor_type
complex(kind(1.d0)), allocatable, intent(out) :: x(:)

97
base/tools/psb_dallc.f90
Unescape Escape View File

@ -40,11 +40,13 @@
! desc_a - the communication descriptor.
! info - Return code
! n - optional number of columns.
subroutine psb_dalloc(x, desc_a, info, n)
! lb - optional lower bound on column indices
subroutine psb_dalloc(x, desc_a, info, n, lb)
!....allocate dense matrix for psblas routines.....
use psb_descriptor_type
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_penv_mod
implicit none
@ -53,15 +55,15 @@ subroutine psb_dalloc(x, desc_a, info, n)
real(kind(1.d0)), allocatable, intent(out) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer,intent(out) :: info
integer, optional, intent(in) :: n
integer, optional, intent(in) :: n, lb
!locals
integer :: np,me,err,n_col,n_row,i,j,err_act
integer :: np,me,err,nr,i,j,err_act
integer :: ictxt,n_
integer :: int_err(5), exch(3)
character(len=20) :: name
name='psb_dgeall_m'
name='psb_geall'
if(psb_get_errstatus() /= 0) return
info=0
err=0
@ -105,35 +107,25 @@ subroutine psb_dalloc(x, desc_a, info, n)
!....allocate x .....
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
n_col = max(1,psb_cd_get_local_cols(desc_a))
allocate(x(n_col,n_),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_col*n_
call psb_errpush(info,name,int_err,a_err='real(kind(1.d0))')
goto 9999
endif
do j=1,n_
do i=1,n_col
x(i,j) = 0.0d0
end do
end do
nr = max(1,psb_cd_get_local_cols(desc_a))
else if (psb_is_bld_desc(desc_a)) then
n_row = max(1,psb_cd_get_local_rows(desc_a))
allocate(x(n_row,n_),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_row*n_
call psb_errpush(info,name,int_err,a_err='real(kind(1.d0))')
goto 9999
endif
do j = 1, n_
do i=1,n_row
x(i,j) = 0.0d0
end do
end do
nr = max(1,psb_cd_get_local_rows(desc_a))
else
info = 4001
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
goto 9999
endif
call psb_realloc(nr,n_,x,info,lb2=lb)
if (info /= 0) then
info=4025
int_err(1)=nr*n_
call psb_errpush(info,name,int_err,a_err='real(kind(1.d0))')
goto 9999
endif
x(:,:) = dzero
call psb_erractionrestore(err_act)
return
@ -184,7 +176,7 @@ end subroutine psb_dalloc
! The descriptor may be in either the build or assembled state.
!
! Arguments:
! x - the matrix to be allocated.
! x(:) - the matrix to be allocated.
! desc_a - the communication descriptor.
! info - return code
subroutine psb_dallocv(x, desc_a,info,n)
@ -211,7 +203,7 @@ subroutine psb_dallocv(x, desc_a,info,n)
if(psb_get_errstatus() /= 0) return
info=0
name='psb_dgeall_v'
name='psb_geall'
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
@ -237,36 +229,25 @@ subroutine psb_dallocv(x, desc_a,info,n)
!....allocate x .....
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
n_col = max(1,psb_cd_get_local_cols(desc_a))
allocate(x(n_col),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_col
call psb_errpush(info,name,int_err,a_err='real(kind(1.d0))')
goto 9999
endif
do i=1,n_col
x(i) = 0.0d0
end do
nr = max(1,psb_cd_get_local_cols(desc_a))
else if (psb_is_bld_desc(desc_a)) then
n_row = max(1,psb_cd_get_local_rows(desc_a))
allocate(x(n_row),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_row
call psb_errpush(info,name,int_err,a_err='real(kind(1.d0))')
goto 9999
endif
do i=1,n_row
x(i) = 0.0d0
end do
nr = max(1,psb_cd_get_local_rows(desc_a))
else
if (debug_level > psb_debug_ext_) &
& write(debug_unit,*) me,name,&
& ': Did not allocate anything because of dectype',psb_cd_get_dectype(desc_a)
info = 4001
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
goto 9999
endif
call psb_realloc(nr,x,info)
if (info /= 0) then
info=4025
int_err(1)=nr
call psb_errpush(info,name,int_err,a_err='real(kind(1.d0))')
goto 9999
endif
x(:) = dzero
call psb_erractionrestore(err_act)
return

101
base/tools/psb_ialloc.f90
Unescape Escape View File

@ -39,11 +39,13 @@
! desc_a - the communication descriptor.
! info - possibly returns an error code
! n - optional number of columns.
subroutine psb_ialloc(x, desc_a, info, n)
! lb - optional lower bound on column indices
subroutine psb_ialloc(x, desc_a, info, n, lb)
!....allocate dense matrix for psblas routines.....
use psb_descriptor_type
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_penv_mod
implicit none
@ -52,18 +54,19 @@ subroutine psb_ialloc(x, desc_a, info, n)
integer, allocatable, intent(out) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, optional, intent(in) :: n
integer, optional, intent(in) :: n, lb
!locals
integer :: np,me,n_col,n_row,i,j,err_act
integer :: np,me,err,nr,i,j,err_act
integer :: ictxt,n_
integer :: int_err(5), exch(3)
character(len=20) :: name
name='psb_geall'
if(psb_get_errstatus() /= 0) return
info=0
name='psb_ialloc'
err=0
int_err(1)=0
call psb_erractionsave(err_act)
ictxt=psb_cd_get_context(desc_a)
@ -103,35 +106,25 @@ subroutine psb_ialloc(x, desc_a, info, n)
!....allocate x .....
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
n_col = max(1,psb_cd_get_local_cols(desc_a))
allocate(x(n_col,n_),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_col*n_
call psb_errpush(info,name,int_err,a_err='integer')
goto 9999
endif
do j=1,n_
do i=1,n_col
x(i,j) = 0
end do
end do
nr = max(1,psb_cd_get_local_cols(desc_a))
else if (psb_is_bld_desc(desc_a)) then
n_row = max(1,psb_cd_get_local_rows(desc_a))
allocate(x(n_row,n_),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_row*n_
call psb_errpush(info,name,int_err,a_err='integer')
goto 9999
endif
do j = 1, n_
do i=1,n_row
x(i,j) = 0
end do
end do
nr = max(1,psb_cd_get_local_rows(desc_a))
else
info = 4001
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
goto 9999
endif
call psb_realloc(nr,n_,x,info,lb2=lb)
if (info /= 0) then
info=4025
int_err(1)=nr*n_
call psb_errpush(info,name,int_err,a_err='integer')
goto 9999
endif
x(:,:) = izero
call psb_erractionrestore(err_act)
return
@ -182,10 +175,9 @@ end subroutine psb_ialloc
! The descriptor may be in either the build or assembled state.
!
! Arguments:
! m - integer. The number of rows.
! x - integer,dimension(:). The matrix to be allocated.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Eventually returns an error code
! x(:) - the matrix to be allocated.
! desc_a - the communication descriptor.
! info - return code
subroutine psb_iallocv(x, desc_a, info,n)
!....allocate sparse matrix structure for psblas routines.....
use psb_descriptor_type
@ -210,7 +202,7 @@ subroutine psb_iallocv(x, desc_a, info,n)
if(psb_get_errstatus() /= 0) return
info=0
name='psb_igeall_v'
name='psb_geall'
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
@ -236,33 +228,24 @@ subroutine psb_iallocv(x, desc_a, info,n)
!....allocate x .....
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
n_col = max(1,psb_cd_get_local_cols(desc_a))
allocate(x(n_col),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_col
call psb_errpush(info,name,int_err,a_err='integer')
goto 9999
endif
nr = max(1,psb_cd_get_local_cols(desc_a))
else if (psb_is_bld_desc(desc_a)) then
n_row = max(1,psb_cd_get_local_rows(desc_a))
allocate(x(n_row),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_row
call psb_errpush(info,name,int_err,a_err='integer')
goto 9999
endif
do i=1,n_row
x(i) = 0.0d0
end do
nr = max(1,psb_cd_get_local_rows(desc_a))
else
if (debug_level > psb_debug_ext_) &
& write(debug_unit,*) me,name,&
& ': Did not allocate anything because of dectype',psb_cd_get_dectype(desc_a)
info = 4001
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
goto 9999
endif
call psb_realloc(nr,x,info)
if (info /= 0) then
info=4025
int_err(1)=nr
call psb_errpush(info,name,int_err,a_err='integer')
goto 9999
endif
x = 0
x(:) = izero
call psb_erractionrestore(err_act)
return

97
base/tools/psb_zallc.f90
Unescape Escape View File

@ -40,11 +40,13 @@
! desc_a - the communication descriptor.
! info - Return code
! n - optional number of columns.
subroutine psb_zalloc(x, desc_a, info, n)
! lb - optional lower bound on column indices
subroutine psb_zalloc(x, desc_a, info, n, lb)
!....allocate dense matrix for psblas routines.....
use psb_descriptor_type
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_penv_mod
implicit none
@ -53,15 +55,15 @@ subroutine psb_zalloc(x, desc_a, info, n)
complex(kind(1.d0)), allocatable, intent(out) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer,intent(out) :: info
integer, optional, intent(in) :: n
integer, optional, intent(in) :: n, lb
!locals
integer :: np,me,err,n_col,n_row,i,j,err_act
integer :: np,me,err,nr,i,j,err_act
integer :: ictxt,n_
integer :: int_err(5),exch(3)
character(len=20) :: name
name='psb_zgeall_m'
name='psb_geall'
if(psb_get_errstatus() /= 0) return
info=0
err=0
@ -105,35 +107,25 @@ subroutine psb_zalloc(x, desc_a, info, n)
!....allocate x .....
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
n_col = max(1,psb_cd_get_local_cols(desc_a))
allocate(x(n_col,n_),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_col*n_
call psb_errpush(info,name,int_err,a_err='complex(kind(1.d0))')
goto 9999
endif
do j=1,n_
do i=1,n_col
x(i,j) = 0.0d0
end do
end do
nr = max(1,psb_cd_get_local_cols(desc_a))
else if (psb_is_bld_desc(desc_a)) then
n_row = max(1,psb_cd_get_local_rows(desc_a))
allocate(x(n_row,n_),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_row*n_
call psb_errpush(info,name,int_err,a_err='complex(kind(1.d0))')
goto 9999
endif
do j = 1, n_
do i=1,n_row
x(i,j) = 0.0d0
end do
end do
nr = max(1,psb_cd_get_local_rows(desc_a))
else
info = 4001
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
goto 9999
endif
call psb_realloc(nr,n_,x,info,lb2=lb)
if (info /= 0) then
info=4025
int_err(1)=nr*n_
call psb_errpush(info,name,int_err,a_err='complex(kind(1.d0))')
goto 9999
endif
x(:,:) = zzero
call psb_erractionrestore(err_act)
return
@ -183,7 +175,7 @@ end subroutine psb_zalloc
! The descriptor may be in either the build or assembled state.
!
! Arguments:
! x - the matrix to be allocated.
! x(:) - the matrix to be allocated.
! desc_a - the communication descriptor.
! info - return code
subroutine psb_zallocv(x, desc_a,info,n)
@ -210,7 +202,7 @@ subroutine psb_zallocv(x, desc_a,info,n)
if(psb_get_errstatus() /= 0) return
info=0
name='psb_zgeall_v'
name='psb_geall'
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
@ -236,36 +228,25 @@ subroutine psb_zallocv(x, desc_a,info,n)
!....allocate x .....
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
n_col = max(1,psb_cd_get_local_cols(desc_a))
allocate(x(n_col),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_col
call psb_errpush(info,name,int_err,a_err='complex(kind(1.d0))')
goto 9999
endif
do i=1,n_col
x(i) = 0.0d0
end do
nr = max(1,psb_cd_get_local_cols(desc_a))
else if (psb_is_bld_desc(desc_a)) then
n_row = max(1,psb_cd_get_local_rows(desc_a))
allocate(x(n_row),stat=info)
if (info /= 0) then
info=4025
int_err(1)=n_row
call psb_errpush(info,name,int_err,a_err='complex(kind(1.d0))')
goto 9999
endif
do i=1,n_row
x(i) = 0.0d0
end do
nr = max(1,psb_cd_get_local_rows(desc_a))
else
if (debug_level > psb_debug_ext_) &
& write(debug_unit,*) me,name,&
& ': Did not allocate anything because of dectype',psb_cd_get_dectype(desc_a)
info = 4001
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
goto 9999
endif
call psb_realloc(nr,x,info)
if (info /= 0) then
info=4025
int_err(1)=nr
call psb_errpush(info,name,int_err,a_err='complex(kind(1.d0))')
goto 9999
endif
x(:) = zzero
call psb_erractionrestore(err_act)
return

6
krylov/psb_dcgstabl.f90
Unescape Escape View File

@ -208,8 +208,8 @@ Subroutine psb_dcgstabl(a,prec,b,x,eps,desc_a,info,itmax,iter,err,itrace,irst,is
goto 9999
end if
if (info == 0) Call psb_geall(wwrk,desc_a,info,n=10)
if (info == 0) Call psb_geall(uh,desc_a,info,n=nl+1)
if (info == 0) Call psb_geall(rh,desc_a,info,n=nl+1)
if (info == 0) Call psb_geall(uh,desc_a,info,n=nl+1,lb=0)
if (info == 0) Call psb_geall(rh,desc_a,info,n=nl+1,lb=0)
if (info == 0) Call psb_geasb(wwrk,desc_a,info)
if (info == 0) Call psb_geasb(uh,desc_a,info)
if (info == 0) Call psb_geasb(rh,desc_a,info)
@ -385,7 +385,7 @@ Subroutine psb_dcgstabl(a,prec,b,x,eps,desc_a,info,itmax,iter,err,itrace,irst,is
if (info == 0) call psb_gefree(wwrk,desc_a,info)
if (info == 0) call psb_gefree(uh,desc_a,info)
if (info == 0) call psb_gefree(rh,desc_a,info)
if(info/=0) then
if (info/=0) then
call psb_errpush(info,name)
goto 9999
end if

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