fdurastante
/
psblas3
mirror of https://github.com/sfilippone/psblas3.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

added weighted 2-norm function

Browse Source
merge-paraggr-newops
Cirdans-Home 5 years ago
parent 63885c36c7
commit 1b214f3f00
13 changed files with 704 additions and 154 deletions
Show Stats Download Patch File Download Diff File

12
base/modules/psblas/psb_c_psblas_mod.F90
Unescape Escape View File

@ -273,11 +273,21 @@ module psb_c_psblas_mod
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_cnrm2_vect
function psb_cnrm2_weight_vect(x,w, desc_a, info,global) result(res)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_c_vect_type, psb_cspmat_type
real(psb_spk_) :: res
type(psb_c_vect_type), intent (inout) :: x
type(psb_c_vect_type), intent (inout) :: w
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_cnrm2_weight_vect
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_norm2
procedure psb_cnrm2, psb_cnrm2v, psb_cnrm2_vect
procedure psb_cnrm2, psb_cnrm2v, psb_cnrm2_vect, psb_cnrm2_weight_vect
end interface
#endif

12
base/modules/psblas/psb_d_psblas_mod.F90
Unescape Escape View File

@ -273,11 +273,21 @@ module psb_d_psblas_mod
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_dnrm2_vect
function psb_dnrm2_weight_vect(x,w, desc_a, info,global) result(res)
import :: psb_desc_type, psb_dpk_, psb_ipk_, &
& psb_d_vect_type, psb_dspmat_type
real(psb_dpk_) :: res
type(psb_d_vect_type), intent (inout) :: x
type(psb_d_vect_type), intent (inout) :: w
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_dnrm2_weight_vect
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_norm2
procedure psb_dnrm2, psb_dnrm2v, psb_dnrm2_vect
procedure psb_dnrm2, psb_dnrm2v, psb_dnrm2_vect, psb_dnrm2_weight_vect
end interface
#endif

12
base/modules/psblas/psb_s_psblas_mod.F90
Unescape Escape View File

@ -273,11 +273,21 @@ module psb_s_psblas_mod
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_snrm2_vect
function psb_snrm2_weight_vect(x,w, desc_a, info,global) result(res)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: res
type(psb_s_vect_type), intent (inout) :: x
type(psb_s_vect_type), intent (inout) :: w
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_snrm2_weight_vect
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_norm2
procedure psb_snrm2, psb_snrm2v, psb_snrm2_vect
procedure psb_snrm2, psb_snrm2v, psb_snrm2_vect, psb_snrm2_weight_vect
end interface
#endif

12
base/modules/psblas/psb_z_psblas_mod.F90
Unescape Escape View File

@ -273,11 +273,21 @@ module psb_z_psblas_mod
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_znrm2_vect
function psb_znrm2_weight_vect(x,w, desc_a, info,global) result(res)
import :: psb_desc_type, psb_dpk_, psb_ipk_, &
& psb_z_vect_type, psb_zspmat_type
real(psb_dpk_) :: res
type(psb_z_vect_type), intent (inout) :: x
type(psb_z_vect_type), intent (inout) :: w
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
end function psb_znrm2_weight_vect
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_norm2
procedure psb_znrm2, psb_znrm2v, psb_znrm2_vect
procedure psb_znrm2, psb_znrm2v, psb_znrm2_vect, psb_znrm2_weight_vect
end interface
#endif

21
base/modules/serial/psb_c_vect_mod.F90
Unescape Escape View File

@ -108,7 +108,9 @@ module psb_c_vect_mod
procedure, pass(x) :: absval1 => c_vect_absval1
procedure, pass(x) :: absval2 => c_vect_absval2
generic, public :: absval => absval1, absval2
procedure, pass(x) :: nrm2 => c_vect_nrm2
procedure, pass(x) :: nrm2std => c_vect_nrm2
procedure, pass(x) :: nrm2weight => c_vect_nrm2_weight
generic, public :: nrm2 => nrm2std, nrm2weight
procedure, pass(x) :: amax => c_vect_amax
procedure, pass(x) :: asum => c_vect_asum
end type psb_c_vect_type
@ -903,6 +905,23 @@ contains
end function c_vect_nrm2
function c_vect_nrm2_weight(n,x,w) result(res)
implicit none
class(psb_c_vect_type), intent(inout) :: x
class(psb_c_vect_type), intent(inout) :: w
integer(psb_ipk_), intent(in) :: n
real(psb_spk_) :: res
integer(psb_ipk_) :: info
if (allocated(x%v).and.allocated(w%v)) then
call w%v%mlt(x%v,info)
res = w%v%nrm2(n)
else
res = szero
end if
end function c_vect_nrm2_weight
function c_vect_amax(n,x) result(res)
implicit none
class(psb_c_vect_type), intent(inout) :: x

21
base/modules/serial/psb_d_vect_mod.F90
Unescape Escape View File

@ -108,7 +108,9 @@ module psb_d_vect_mod
procedure, pass(x) :: absval1 => d_vect_absval1
procedure, pass(x) :: absval2 => d_vect_absval2
generic, public :: absval => absval1, absval2
procedure, pass(x) :: nrm2 => d_vect_nrm2
procedure, pass(x) :: nrm2std => d_vect_nrm2
procedure, pass(x) :: nrm2weight => d_vect_nrm2_weight
generic, public :: nrm2 => nrm2std, nrm2weight
procedure, pass(x) :: amax => d_vect_amax
procedure, pass(x) :: asum => d_vect_asum
procedure, pass(z) :: cmp_a2 => d_vect_cmp_a2
@ -933,6 +935,23 @@ contains
end function d_vect_nrm2
function d_vect_nrm2_weight(n,x,w) result(res)
implicit none
class(psb_d_vect_type), intent(inout) :: x
class(psb_d_vect_type), intent(inout) :: w
integer(psb_ipk_), intent(in) :: n
real(psb_dpk_) :: res
integer(psb_ipk_) :: info
if (allocated(x%v).and.allocated(w%v)) then
call w%v%mlt(x%v,info)
res = w%v%nrm2(n)
else
res = dzero
end if
end function d_vect_nrm2_weight
function d_vect_amax(n,x) result(res)
implicit none
class(psb_d_vect_type), intent(inout) :: x

21
base/modules/serial/psb_s_vect_mod.F90
Unescape Escape View File

@ -108,7 +108,9 @@ module psb_s_vect_mod
procedure, pass(x) :: absval1 => s_vect_absval1
procedure, pass(x) :: absval2 => s_vect_absval2
generic, public :: absval => absval1, absval2
procedure, pass(x) :: nrm2 => s_vect_nrm2
procedure, pass(x) :: nrm2std => s_vect_nrm2
procedure, pass(x) :: nrm2weight => s_vect_nrm2_weight
generic, public :: nrm2 => nrm2std, nrm2weight
procedure, pass(x) :: amax => s_vect_amax
procedure, pass(x) :: asum => s_vect_asum
procedure, pass(z) :: cmp_a2 => s_vect_cmp_a2
@ -933,6 +935,23 @@ contains
end function s_vect_nrm2
function s_vect_nrm2_weight(n,x,w) result(res)
implicit none
class(psb_s_vect_type), intent(inout) :: x
class(psb_s_vect_type), intent(inout) :: w
integer(psb_ipk_), intent(in) :: n
real(psb_spk_) :: res
integer(psb_ipk_) :: info
if (allocated(x%v).and.allocated(w%v)) then
call w%v%mlt(x%v,info)
res = w%v%nrm2(n)
else
res = szero
end if
end function s_vect_nrm2_weight
function s_vect_amax(n,x) result(res)
implicit none
class(psb_s_vect_type), intent(inout) :: x

21
base/modules/serial/psb_z_vect_mod.F90
Unescape Escape View File

@ -108,7 +108,9 @@ module psb_z_vect_mod
procedure, pass(x) :: absval1 => z_vect_absval1
procedure, pass(x) :: absval2 => z_vect_absval2
generic, public :: absval => absval1, absval2
procedure, pass(x) :: nrm2 => z_vect_nrm2
procedure, pass(x) :: nrm2std => z_vect_nrm2
procedure, pass(x) :: nrm2weight => z_vect_nrm2_weight
generic, public :: nrm2 => nrm2std, nrm2weight
procedure, pass(x) :: amax => z_vect_amax
procedure, pass(x) :: asum => z_vect_asum
end type psb_z_vect_type
@ -903,6 +905,23 @@ contains
end function z_vect_nrm2
function z_vect_nrm2_weight(n,x,w) result(res)
implicit none
class(psb_z_vect_type), intent(inout) :: x
class(psb_z_vect_type), intent(inout) :: w
integer(psb_ipk_), intent(in) :: n
real(psb_dpk_) :: res
integer(psb_ipk_) :: info
if (allocated(x%v).and.allocated(w%v)) then
call w%v%mlt(x%v,info)
res = w%v%nrm2(n)
else
res = dzero
end if
end function z_vect_nrm2_weight
function z_vect_amax(n,x) result(res)
implicit none
class(psb_z_vect_type), intent(inout) :: x

177
base/psblas/psb_cnrm2.f90
Unescape Escape View File

@ -1,9 +1,9 @@
!
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
@ -15,7 +15,7 @@
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -27,8 +27,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
!
! File: psb_cnrm2.f90
!
! Function: psb_cnrm2
@ -111,7 +111,7 @@ function psb_cnrm2(x, desc_a, info, jx,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = scnrm2( int(ndim,kind=psb_mpk_), x(iix:,jjx), int(ione,kind=psb_mpk_) )
@ -120,16 +120,16 @@ function psb_cnrm2(x, desc_a, info, jx,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
end do
else
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -138,12 +138,12 @@ end function psb_cnrm2
!!$
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -155,7 +155,7 @@ end function psb_cnrm2
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -167,7 +167,7 @@ end function psb_cnrm2
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Function: psb_cnrm2
@ -226,7 +226,7 @@ function psb_cnrm2v(x, desc_a, info,global) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -240,7 +240,7 @@ function psb_cnrm2v(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = scnrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
! adjust because overlapped elements are computed more than once
@ -248,16 +248,16 @@ function psb_cnrm2v(x, desc_a, info,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -314,7 +314,7 @@ function psb_cnrm2_vect(x, desc_a, info,global) result(res)
goto 9999
endif
if (.not.allocated(x%v)) then
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
@ -343,7 +343,7 @@ function psb_cnrm2_vect(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim)
! adjust because overlapped elements are computed more than once
@ -356,27 +356,134 @@ function psb_cnrm2_vect(x, desc_a, info,global) result(res)
res = res - sqrt(cone - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_cnrm2_vect
! Function: psb_cnrm2_weight_vect
! Computes the weighted norm2 of a distributed vector,
!
! norm2 := sqrt ( (w.*X)**C * (w.*X))
!
! Arguments:
! x - type(psb_c_vect_type) The input vector containing the entries of X.
! w - type(psb_c_vect_type) The input vector containing the entries of W.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! global - logical(optional) Whether to perform the global reduction, default: .true.
!
function psb_cnrm2_weight_vect(x,w, desc_a, info,global) result(res)
use psb_desc_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
use psb_c_vect_mod
implicit none
real(psb_spk_) :: res
type(psb_c_vect_type), intent (inout) :: x
type(psb_c_vect_type), intent (inout) :: w
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, i, id, idx, ndm, ldx
integer(psb_lpk_) :: ix, jx, iy, ijy, m
logical :: global_
real(psb_spk_) :: snrm2, dd
character(len=20) :: name, ch_err
name='psb_cnrm2v_weight'
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
!!$
call psb_info(ictxt, me, np)
if (np == -1) then
info=psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
endif
if (present(global)) then
global_ = global
else
global_ = .true.
end if
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = x%get_nrows()
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim,w)
! adjust because overlapped elements are computed more than once
if (size(desc_a%ovrlap_elem,1)>0) then
if (x%is_dev()) call x%sync()
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = dble(ndm-1)/dble(ndm)
res = res - sqrt(cone - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_cnrm2_weight_vect
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -388,7 +495,7 @@ end function psb_cnrm2_vect
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -400,7 +507,7 @@ end function psb_cnrm2_vect
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Subroutine: psb_cnrm2vs
@ -461,7 +568,7 @@ subroutine psb_cnrm2vs(res, x, desc_a, info,global)
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -475,7 +582,7 @@ subroutine psb_cnrm2vs(res, x, desc_a, info,global)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = scnrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
@ -484,9 +591,9 @@ subroutine psb_cnrm2vs(res, x, desc_a, info,global)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
else
res = szero
end if
@ -494,7 +601,7 @@ subroutine psb_cnrm2vs(res, x, desc_a, info,global)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)

177
base/psblas/psb_dnrm2.f90
Unescape Escape View File

@ -1,9 +1,9 @@
!
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
@ -15,7 +15,7 @@
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -27,8 +27,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
!
! File: psb_dnrm2.f90
!
! Function: psb_dnrm2
@ -111,7 +111,7 @@ function psb_dnrm2(x, desc_a, info, jx,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = dnrm2( int(ndim,kind=psb_mpk_), x(iix:,jjx), int(ione,kind=psb_mpk_) )
@ -120,16 +120,16 @@ function psb_dnrm2(x, desc_a, info, jx,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(done - dd*(abs(x(idx,jjx))/res)**2)
res = res * sqrt(done - dd*(abs(x(idx,jjx))/res)**2)
end do
else
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -138,12 +138,12 @@ end function psb_dnrm2
!!$
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -155,7 +155,7 @@ end function psb_dnrm2
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -167,7 +167,7 @@ end function psb_dnrm2
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Function: psb_dnrm2
@ -226,7 +226,7 @@ function psb_dnrm2v(x, desc_a, info,global) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -240,7 +240,7 @@ function psb_dnrm2v(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = dnrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
! adjust because overlapped elements are computed more than once
@ -248,16 +248,16 @@ function psb_dnrm2v(x, desc_a, info,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
end do
else
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -314,7 +314,7 @@ function psb_dnrm2_vect(x, desc_a, info,global) result(res)
goto 9999
endif
if (.not.allocated(x%v)) then
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
@ -343,7 +343,7 @@ function psb_dnrm2_vect(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim)
! adjust because overlapped elements are computed more than once
@ -356,27 +356,134 @@ function psb_dnrm2_vect(x, desc_a, info,global) result(res)
res = res - sqrt(done - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_dnrm2_vect
! Function: psb_dnrm2_weight_vect
! Computes the weighted norm2 of a distributed vector,
!
! norm2 := sqrt ( (w.*X)**C * (w.*X))
!
! Arguments:
! x - type(psb_d_vect_type) The input vector containing the entries of X.
! w - type(psb_d_vect_type) The input vector containing the entries of W.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! global - logical(optional) Whether to perform the global reduction, default: .true.
!
function psb_dnrm2_weight_vect(x,w, desc_a, info,global) result(res)
use psb_desc_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
use psb_d_vect_mod
implicit none
real(psb_dpk_) :: res
type(psb_d_vect_type), intent (inout) :: x
type(psb_d_vect_type), intent (inout) :: w
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, i, id, idx, ndm, ldx
integer(psb_lpk_) :: ix, jx, iy, ijy, m
logical :: global_
real(psb_dpk_) :: snrm2, dd
character(len=20) :: name, ch_err
name='psb_dnrm2v_weight'
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
!!$
call psb_info(ictxt, me, np)
if (np == -1) then
info=psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
endif
if (present(global)) then
global_ = global
else
global_ = .true.
end if
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = x%get_nrows()
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim,w)
! adjust because overlapped elements are computed more than once
if (size(desc_a%ovrlap_elem,1)>0) then
if (x%is_dev()) call x%sync()
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = dble(ndm-1)/dble(ndm)
res = res - sqrt(done - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_dnrm2_weight_vect
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -388,7 +495,7 @@ end function psb_dnrm2_vect
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -400,7 +507,7 @@ end function psb_dnrm2_vect
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Subroutine: psb_dnrm2vs
@ -461,7 +568,7 @@ subroutine psb_dnrm2vs(res, x, desc_a, info,global)
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -475,7 +582,7 @@ subroutine psb_dnrm2vs(res, x, desc_a, info,global)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = dnrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
@ -484,9 +591,9 @@ subroutine psb_dnrm2vs(res, x, desc_a, info,global)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
end do
else
else
res = dzero
end if
@ -494,7 +601,7 @@ subroutine psb_dnrm2vs(res, x, desc_a, info,global)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)

177
base/psblas/psb_snrm2.f90
Unescape Escape View File

@ -1,9 +1,9 @@
!
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
@ -15,7 +15,7 @@
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -27,8 +27,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
!
! File: psb_snrm2.f90
!
! Function: psb_snrm2
@ -111,7 +111,7 @@ function psb_snrm2(x, desc_a, info, jx,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = snrm2( int(ndim,kind=psb_mpk_), x(iix:,jjx), int(ione,kind=psb_mpk_) )
@ -120,16 +120,16 @@ function psb_snrm2(x, desc_a, info, jx,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
end do
else
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -138,12 +138,12 @@ end function psb_snrm2
!!$
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -155,7 +155,7 @@ end function psb_snrm2
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -167,7 +167,7 @@ end function psb_snrm2
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Function: psb_snrm2
@ -226,7 +226,7 @@ function psb_snrm2v(x, desc_a, info,global) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -240,7 +240,7 @@ function psb_snrm2v(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = snrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
! adjust because overlapped elements are computed more than once
@ -248,16 +248,16 @@ function psb_snrm2v(x, desc_a, info,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -314,7 +314,7 @@ function psb_snrm2_vect(x, desc_a, info,global) result(res)
goto 9999
endif
if (.not.allocated(x%v)) then
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
@ -343,7 +343,7 @@ function psb_snrm2_vect(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim)
! adjust because overlapped elements are computed more than once
@ -356,27 +356,134 @@ function psb_snrm2_vect(x, desc_a, info,global) result(res)
res = res - sqrt(sone - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_snrm2_vect
! Function: psb_snrm2_weight_vect
! Computes the weighted norm2 of a distributed vector,
!
! norm2 := sqrt ( (w.*X)**C * (w.*X))
!
! Arguments:
! x - type(psb_s_vect_type) The input vector containing the entries of X.
! w - type(psb_s_vect_type) The input vector containing the entries of W.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! global - logical(optional) Whether to perform the global reduction, default: .true.
!
function psb_snrm2_weight_vect(x,w, desc_a, info,global) result(res)
use psb_desc_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
use psb_s_vect_mod
implicit none
real(psb_spk_) :: res
type(psb_s_vect_type), intent (inout) :: x
type(psb_s_vect_type), intent (inout) :: w
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, i, id, idx, ndm, ldx
integer(psb_lpk_) :: ix, jx, iy, ijy, m
logical :: global_
real(psb_spk_) :: snrm2, dd
character(len=20) :: name, ch_err
name='psb_snrm2v_weight'
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
!!$
call psb_info(ictxt, me, np)
if (np == -1) then
info=psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
endif
if (present(global)) then
global_ = global
else
global_ = .true.
end if
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = x%get_nrows()
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim,w)
! adjust because overlapped elements are computed more than once
if (size(desc_a%ovrlap_elem,1)>0) then
if (x%is_dev()) call x%sync()
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = dble(ndm-1)/dble(ndm)
res = res - sqrt(sone - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
res = szero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_snrm2_weight_vect
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -388,7 +495,7 @@ end function psb_snrm2_vect
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -400,7 +507,7 @@ end function psb_snrm2_vect
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Subroutine: psb_snrm2vs
@ -461,7 +568,7 @@ subroutine psb_snrm2vs(res, x, desc_a, info,global)
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -475,7 +582,7 @@ subroutine psb_snrm2vs(res, x, desc_a, info,global)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = snrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
@ -484,9 +591,9 @@ subroutine psb_snrm2vs(res, x, desc_a, info,global)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
else
res = szero
end if
@ -494,7 +601,7 @@ subroutine psb_snrm2vs(res, x, desc_a, info,global)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)

177
base/psblas/psb_znrm2.f90
Unescape Escape View File

@ -1,9 +1,9 @@
!
!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
@ -15,7 +15,7 @@
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -27,8 +27,8 @@
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
!
!
! File: psb_znrm2.f90
!
! Function: psb_znrm2
@ -111,7 +111,7 @@ function psb_znrm2(x, desc_a, info, jx,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = dznrm2( int(ndim,kind=psb_mpk_), x(iix:,jjx), int(ione,kind=psb_mpk_) )
@ -120,16 +120,16 @@ function psb_znrm2(x, desc_a, info, jx,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(done - dd*(abs(x(idx,jjx))/res)**2)
res = res * sqrt(done - dd*(abs(x(idx,jjx))/res)**2)
end do
else
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -138,12 +138,12 @@ end function psb_znrm2
!!$
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -155,7 +155,7 @@ end function psb_znrm2
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -167,7 +167,7 @@ end function psb_znrm2
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Function: psb_znrm2
@ -226,7 +226,7 @@ function psb_znrm2v(x, desc_a, info,global) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -240,7 +240,7 @@ function psb_znrm2v(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = dznrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
! adjust because overlapped elements are computed more than once
@ -248,16 +248,16 @@ function psb_znrm2v(x, desc_a, info,global) result(res)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
end do
else
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
@ -314,7 +314,7 @@ function psb_znrm2_vect(x, desc_a, info,global) result(res)
goto 9999
endif
if (.not.allocated(x%v)) then
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
@ -343,7 +343,7 @@ function psb_znrm2_vect(x, desc_a, info,global) result(res)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim)
! adjust because overlapped elements are computed more than once
@ -356,27 +356,134 @@ function psb_znrm2_vect(x, desc_a, info,global) result(res)
res = res - sqrt(zone - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_znrm2_vect
! Function: psb_znrm2_weight_vect
! Computes the weighted norm2 of a distributed vector,
!
! norm2 := sqrt ( (w.*X)**C * (w.*X))
!
! Arguments:
! x - type(psb_z_vect_type) The input vector containing the entries of X.
! w - type(psb_z_vect_type) The input vector containing the entries of W.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! global - logical(optional) Whether to perform the global reduction, default: .true.
!
function psb_znrm2_weight_vect(x,w, desc_a, info,global) result(res)
use psb_desc_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
use psb_z_vect_mod
implicit none
real(psb_dpk_) :: res
type(psb_z_vect_type), intent (inout) :: x
type(psb_z_vect_type), intent (inout) :: w
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
logical, intent(in), optional :: global
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, i, id, idx, ndm, ldx
integer(psb_lpk_) :: ix, jx, iy, ijy, m
logical :: global_
real(psb_dpk_) :: snrm2, dd
character(len=20) :: name, ch_err
name='psb_znrm2v_weight'
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
!!$
call psb_info(ictxt, me, np)
if (np == -1) then
info=psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
endif
if (present(global)) then
global_ = global
else
global_ = .true.
end if
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = x%get_nrows()
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = x%nrm2(ndim,w)
! adjust because overlapped elements are computed more than once
if (size(desc_a%ovrlap_elem,1)>0) then
if (x%is_dev()) call x%sync()
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = dble(ndm-1)/dble(ndm)
res = res - sqrt(zone - dd*(abs(x%v%v(idx))/res)**2)
end do
end if
else
res = dzero
end if
if (global_) call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end function psb_znrm2_weight_vect
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ Alfredo Buttari
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
@ -388,7 +495,7 @@ end function psb_znrm2_vect
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@ -400,7 +507,7 @@ end function psb_znrm2_vect
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!!$
!
! Subroutine: psb_znrm2vs
@ -461,7 +568,7 @@ subroutine psb_znrm2vs(res, x, desc_a, info,global)
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = size(x,1)
ldx = size(x,1)
call psb_chkvect(m,lone,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
@ -475,7 +582,7 @@ subroutine psb_znrm2vs(res, x, desc_a, info,global)
goto 9999
end if
if (desc_a%get_local_rows() > 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
res = dznrm2( int(ndim,kind=psb_mpk_), x, int(ione,kind=psb_mpk_) )
@ -484,9 +591,9 @@ subroutine psb_znrm2vs(res, x, desc_a, info,global)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
res = res * sqrt(done - dd*(abs(x(idx))/res)**2)
end do
else
else
res = dzero
end if
@ -494,7 +601,7 @@ subroutine psb_znrm2vs(res, x, desc_a, info,global)
call psb_erractionrestore(err_act)
return
return
9999 call psb_error_handler(ictxt,err_act)

18
test/kernel/vecoperation.f90
Unescape Escape View File

@ -53,7 +53,7 @@ program vecoperation
integer(psb_ipk_) :: nr, nlr, info, i, ii, ib=1
integer(psb_lpk_) :: nt
integer(psb_lpk_), allocatable :: myidx(:)
real(psb_dpk_) :: zt(1), dotresult, norm2, norm1, norminf
real(psb_dpk_) :: zt(1), dotresult, norm2, norm1, norminf, norm2w
character(len=20) :: name,ch_err,readinput
real(psb_dpk_), allocatable :: vx(:), vy(:), vz(:)
real(psb_dpk_) :: c
@ -160,10 +160,6 @@ program vecoperation
!
dotresult = psb_gedot(x,y,desc_a,info) ! Dot-product
if (iam == psb_root_) write(psb_out_unit,'("Dot product result : ",es12.5)')dotresult
norm1 = psb_norm1(x,desc_a,info)
norm2 = psb_norm2(x,desc_a,info)
norminf = psb_normi(x,desc_a,info)
if (iam == psb_root_) write(psb_out_unit,'("\|x\|_inf : ",es12.5," \|x\|_1 :",es12.5," \|x\|_2",es12.5)')norminf,norm1,norm2
call psb_geaxpby(1.0_psb_dpk_, x, 1.0_psb_dpk_, y, desc_a, info) ! \alpha x + \beta y
if (iam == psb_root_) then
@ -218,7 +214,7 @@ program vecoperation
write(psb_out_unit,'("|x| = ",es12.1)')vz(:)
end if
c = 1.0/2.0;
c = 1.0/5.0;
call psb_gecmp(x,c,z,desc_a,info);
if (iam == psb_root_) then
@ -229,6 +225,16 @@ program vecoperation
write(psb_out_unit,'("z = ",es12.1)')vz(:)
end if
write(psb_out_unit,'("Computation of vector norms:")')
norm1 = psb_norm1(x,desc_a,info)
norm2 = psb_norm2(x,desc_a,info)
norm2w = psb_norm2(x,absz,desc_a,info)
norminf = psb_normi(x,desc_a,info)
write(psb_out_unit,'("\|x\|_inf : ",es12.5," \|x\|_1 :",es12.5)')norminf,norm1
write(psb_out_unit,'(" \|x\|_2 : ",es12.5," \|x\|_2,w : ",es12.5)')norm2,norm2w
!
! cleanup storage and exit
!

Write Preview
Loading…
Cancel
Save