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

psblas3-integer8:

Browse Source 
base/psblas/psb_caxpby.f90
 base/psblas/psb_cnrm2.f90
 base/psblas/psb_cnrmi.f90
 base/psblas/psb_cspmm.f90
 base/psblas/psb_cspsm.f90
 base/psblas/psb_daxpby.f90
 base/psblas/psb_dnrm2.f90
 base/psblas/psb_dnrmi.f90
 base/psblas/psb_dspmm.f90
 base/psblas/psb_dspnrm1.f90
 base/psblas/psb_dspsm.f90
 base/psblas/psb_saxpby.f90
 base/psblas/psb_snrm2.f90
 base/psblas/psb_snrmi.f90
 base/psblas/psb_sspmm.f90
 base/psblas/psb_sspsm.f90
 base/psblas/psb_zaxpby.f90
 base/psblas/psb_znrm2.f90
 base/psblas/psb_znrmi.f90
 base/psblas/psb_zspmm.f90
 base/psblas/psb_zspsm.f90


subdir psblas should work fine now.
psblas3-type-indexed
Salvatore Filippone 13 years ago
parent 934759b828
commit de5a399d55
21 changed files with 714 additions and 824 deletions
Show Stats Download Patch File Download Diff File

36
base/psblas/psb_caxpby.f90
Unescape Escape View File

@ -129,8 +129,8 @@ end subroutine psb_caxpby_vect
! Arguments:
! alpha - complex,input The scalar used to multiply each component of X
! x(:,:) - complex,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:,:) - real,inout The input vector Y
! beta - complex,input The scalar used to multiply each component of Y
! y(:,:) - complex,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
! jx - integer(optional) The column offset for X
@ -150,7 +150,8 @@ subroutine psb_caxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
name='psb_geaxpby'
@ -198,11 +199,12 @@ subroutine psb_caxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
end if
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ione,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ione,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -219,8 +221,8 @@ subroutine psb_caxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
if ((in /= 0)) then
if(desc_a%get_local_rows() > 0) then
call caxpby(desc_a%get_local_cols(),in,&
& alpha,x(iix:,jjx),size(x,1),beta,&
& y(iiy:,jjy),size(y,1),info)
& alpha,x(iix:,jjx),lldx,beta,&
& y(iiy:,jjy),lldy,info)
end if
end if
@ -281,8 +283,8 @@ end subroutine psb_caxpby
! Arguments:
! alpha - complex,input The scalar used to multiply each component of X
! x(:) - complex,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:) - real,inout The input vector Y
! beta - complex,input The scalar used to multiply each component of Y
! y(:) - complex,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
!
@ -299,7 +301,8 @@ subroutine psb_caxpbyv(alpha, x, beta,y,desc_a,info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, m, iiy, jjy
& err_act, iix, jjx, ix, iy, m, iiy, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
logical, parameter :: debug=.false.
@ -321,16 +324,17 @@ subroutine psb_caxpbyv(alpha, x, beta,y,desc_a,info)
iy = ione
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x),ix,ione,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ione,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 1'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
call psb_chkvect(m,ione,size(y),iy,ione,desc_a,info,iiy,jjy)
call psb_chkvect(m,ione,lldy,iy,ione,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 2'
@ -345,8 +349,8 @@ subroutine psb_caxpbyv(alpha, x, beta,y,desc_a,info)
if(desc_a%get_local_rows() > 0) then
call caxpby(desc_a%get_local_cols(),ione,&
& alpha,x,size(x),beta,&
& y,size(y),info)
& alpha,x,lldx,beta,&
& y,lldy,info)
end if
call psb_erractionrestore(err_act)

97
base/psblas/psb_cnrm2.f90
Unescape Escape View File

@ -44,7 +44,7 @@
! info - integer. Return code
! jx - integer(optional). The column offset for sub( X ).
!
function psb_cnrm2(x, desc_a, info, jx)
function psb_cnrm2(x, desc_a, info, jx) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -55,14 +55,12 @@ function psb_cnrm2(x, desc_a, info, jx)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in), optional :: jx
integer(psb_ipk_), intent(out) :: info
real(psb_spk_) :: psb_cnrm2
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm
real(psb_spk_) :: nrm2, scnrm2, dd
!!$ external scombnrm2
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: scnrm2, dd
character(len=20) :: name, ch_err
name='psb_cnrm2'
@ -87,7 +85,8 @@ function psb_cnrm2(x, desc_a, info, jx)
endif
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,ijx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -100,29 +99,22 @@ function psb_cnrm2(x, desc_a, info, jx)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = scnrm2( ndim, x(iix:,jjx), ione )
res = scnrm2( int(ndim,kind=psb_mpik_), x(iix:,jjx), int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
nrm2 = nrm2 * sqrt(sone - dd*(abs(x(idx,jjx))/nrm2)**2)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = szero
end if
!!$ call pstreecomb(ictxt,'All',1,nrm2,-1,-1,scombnrm2)
call psb_nrm2(ictxt,nrm2)
psb_cnrm2 = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -181,7 +173,7 @@ end function psb_cnrm2
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_cnrm2v(x, desc_a, info)
function psb_cnrm2v(x, desc_a, info) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -191,12 +183,12 @@ function psb_cnrm2v(x, desc_a, info)
complex(psb_spk_), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
real(psb_spk_) :: psb_cnrm2v
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_spk_) :: nrm2, scnrm2, dd
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: scnrm2, dd
!!$ external scombnrm2
character(len=20) :: name, ch_err
@ -218,8 +210,8 @@ function psb_cnrm2v(x, desc_a, info)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -232,28 +224,22 @@ function psb_cnrm2v(x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = scnrm2( ndim, x, ione )
res = scnrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
nrm2 = nrm2 * sqrt(sone - dd*(abs(x(idx))/nrm2)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = szero
end if
!!$ call pstreecomb(ictxt,'All',1,nrm2,-1,-1,scombnrm2)
call psb_nrm2(ictxt,nrm2)
call psb_nrm2(ictxt,res)
psb_cnrm2v = nrm2
call psb_erractionrestore(err_act)
return
@ -285,8 +271,8 @@ function psb_cnrm2_vect(x, desc_a, info) result(res)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_spk_) :: nrm2, snrm2, dd
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: snrm2, dd
!!$ external dcombnrm2
character(len=20) :: name, ch_err
@ -314,8 +300,8 @@ function psb_cnrm2_vect(x, desc_a, info) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
ldx = x%get_nrows()
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -328,10 +314,9 @@ function psb_cnrm2_vect(x, desc_a, info) result(res)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = x%nrm2(ndim)
res = x%nrm2(ndim)
!!$ ! adjust because overlapped elements are computed more than once
!!$ do i=1,size(desc_a%ovrlap_elem,1)
!!$ idx = desc_a%ovrlap_elem(i,1)
@ -340,16 +325,10 @@ function psb_cnrm2_vect(x, desc_a, info) result(res)
!!$ nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
!!$ end do
else
nrm2 = szero
res = szero
end if
else
nrm2 = szero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
res = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -423,7 +402,7 @@ subroutine psb_cnrm2vs(res, x, desc_a, info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: nrm2, scnrm2, dd
!!$ external scombnrm2
@ -446,8 +425,8 @@ subroutine psb_cnrm2vs(res, x, desc_a, info)
ix = 1
jx = 1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -460,27 +439,23 @@ subroutine psb_cnrm2vs(res, x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = scnrm2( ndim, x, ione )
res = scnrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
nrm2 = nrm2 * sqrt(sone - dd*(abs(x(idx))/nrm2)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = szero
end if
!!$ call pstreecomb(ictxt,'All',1,nrm2,-1,-1,scombnrm2)
call psb_nrm2(ictxt,nrm2)
res = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return

21
base/psblas/psb_cnrmi.f90
Unescape Escape View File

@ -32,28 +32,27 @@
! File: psb_cnrmi.f90
!
! Function: psb_cnrmi
! Forms the approximated norm of a sparse matrix,
! Forms the infinity norm of a sparse matrix,
!
! normi := max(abs(sum(A(i,j))))
! nrmi := max_i(abs(sum(A(i,:))))
!
! Arguments:
! a - type(psb_dspmat_type). The sparse matrix containing A.
! a - type(psb_cspmat_type). The sparse matrix containing A.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_cnrmi(a,desc_a,info)
function psb_cnrmi(a,desc_a,info) result(res)
use psb_base_mod, psb_protect_name => psb_cnrmi
implicit none
type(psb_cspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
type(psb_desc_type), intent(in) :: desc_a
real(psb_spk_) :: psb_cnrmi
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, n, iia, jja, ia, ja, mdim, ndim, m
real(psb_spk_) :: nrmi
character(len=20) :: name, ch_err
name='psb_cnrmi'
@ -90,21 +89,19 @@ function psb_cnrmi(a,desc_a,info)
end if
if ((m /= 0).and.(n /= 0)) then
nrmi = a%csnmi()
res = a%csnmi()
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_csnmi'
ch_err='psb_cnrmi'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
else
nrmi = 0.0
res = szero
end if
! compute global max
call psb_amx(ictxt, nrmi)
psb_cnrmi = nrmi
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return

30
base/psblas/psb_cspmm.f90
Unescape Escape View File

@ -205,9 +205,9 @@ subroutine psb_cspmm(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -277,9 +277,9 @@ subroutine psb_cspmm(alpha,a,x,beta,y,desc_a,info,&
! checking for vectors correctness
call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(n,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -304,7 +304,8 @@ subroutine psb_cspmm(alpha,a,x,beta,y,desc_a,info,&
if (info == psb_success_) call psi_ovrl_upd(x,desc_a,psb_avg_,info)
y(nrow+1:ncol,1:ik) = czero
if (info == psb_success_) call psb_csmm(alpha,a,x(:,1:ik),beta,y(:,1:ik),info,trans=trans_)
if (info == psb_success_) &
& call psb_csmm(alpha,a,x(:,1:ik),beta,y(:,1:ik),info,trans=trans_)
if (debug_level >= psb_debug_comp_) &
& write(debug_unit,*) me,' ',trim(name),' csmm ', info
if (info /= psb_success_) then
@ -542,9 +543,9 @@ subroutine psb_cspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -582,9 +583,9 @@ subroutine psb_cspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -815,9 +816,9 @@ subroutine psb_cspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -855,9 +856,9 @@ subroutine psb_cspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -881,8 +882,9 @@ subroutine psb_cspmv_vect(alpha,a,x,beta,y,desc_a,info,&
!
call psi_ovrl_save(x%v,xvsave,desc_a,info)
if (info == psb_success_) call psi_ovrl_upd(x%v,desc_a,psb_avg_,info)
!!! THIS SHOULD BE FIXED !!! But beta is almost never /= 0
!!$ yp(nrow+1:ncol) = szero
!!$ yp(nrow+1:ncol) = czero
! local Matrix-vector product
if (info == psb_success_) call psb_csmm(alpha,a,x,beta,y,info,trans=trans_)

12
base/psblas/psb_cspsm.f90
Unescape Escape View File

@ -220,9 +220,9 @@ subroutine psb_cspsm(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -483,9 +483,9 @@ subroutine psb_cspsv(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -684,9 +684,9 @@ subroutine psb_cspsv_vect(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'

72
base/psblas/psb_daxpby.f90
Unescape Escape View File

@ -31,7 +31,6 @@
!!$
! File: psb_daxpby.f90
subroutine psb_daxpby_vect(alpha, x, beta, y,&
& desc_a, info)
use psb_base_mod, psb_protect_name => psb_daxpby_vect
@ -128,17 +127,18 @@ end subroutine psb_daxpby_vect
! sub( Y ) denotes Y(:,JY).
!
! Arguments:
! alpha - real The scalar alpha
! x(:,:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta
! y(:,:) - real The input vector containing the entries of ( Y ).
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! jx - integer(optional). The column offset for sub( X ).
! jy - integer(optional). The column offset for sub( Y ).
! alpha - real,input The scalar used to multiply each component of X
! x(:,:) - real,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:,:) - real,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
! jx - integer(optional) The column offset for X
! jy - integer(optional) The column offset for Y
!
subroutine psb_daxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
use psb_base_mod, psb_protect_name => psb_daxpby
implicit none
integer(psb_ipk_), intent(in), optional :: n, jx, jy
@ -150,16 +150,16 @@ subroutine psb_daxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
name='psb_dgeaxpby'
if (psb_errstatus_fatal()) return
name='psb_geaxpby'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -ione) then
info = psb_err_context_error_
@ -199,11 +199,12 @@ subroutine psb_daxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
end if
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ione,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ione,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -219,9 +220,9 @@ subroutine psb_daxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
if ((in /= 0)) then
if(desc_a%get_local_rows() > 0) then
call daxpby(desc_a%get_local_rows(),in,&
& alpha,x(iix:,jjx),size(x,1),beta,&
& y(iiy:,jjy),size(y,1),info)
call caxpby(desc_a%get_local_cols(),in,&
& alpha,x(iix:,jjx),lldx,beta,&
& y(iiy:,jjy),lldy,info)
end if
end if
@ -280,12 +281,12 @@ end subroutine psb_daxpby
! Y := beta * Y + alpha * X
!
! Arguments:
! alpha - real The scalar alpha
! x(:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta
! y(:) - real The input vector containing the entries of ( Y ).
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! alpha - real,input The scalar used to multiply each component of X
! x(:) - real,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:) - real,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
!
!
subroutine psb_daxpbyv(alpha, x, beta,y,desc_a,info)
@ -300,11 +301,13 @@ subroutine psb_daxpbyv(alpha, x, beta,y,desc_a,info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, m, iiy, jjy
& err_act, iix, jjx, ix, iy, m, iiy, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
logical, parameter :: debug=.false.
name='psb_dgeaxpby'
if (psb_errstatus_fatal()) return
name='psb_geaxpby'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -321,16 +324,17 @@ subroutine psb_daxpbyv(alpha, x, beta,y,desc_a,info)
iy = ione
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x),ix,ione,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ione,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 1'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
call psb_chkvect(m,ione,size(y),iy,ione,desc_a,info,iiy,jjy)
call psb_chkvect(m,ione,lldy,iy,ione,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 2'
@ -344,9 +348,9 @@ subroutine psb_daxpbyv(alpha, x, beta,y,desc_a,info)
end if
if(desc_a%get_local_rows() > 0) then
call daxpby(desc_a%get_local_rows(),ione,&
& alpha,x,size(x),beta,&
& y,size(y),info)
call caxpby(desc_a%get_local_cols(),ione,&
& alpha,x,lldx,beta,&
& y,lldy,info)
end if
call psb_erractionrestore(err_act)

128
base/psblas/psb_dnrm2.f90
Unescape Escape View File

@ -39,12 +39,12 @@
! where sub( X ) denotes X(:,JX).
!
! Arguments:
! x - real,dimension(:,:). The input vector containing the entries of X.
! x(:,:) - real The input vector containing the entries of sub( X ).
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! jx - integer(optional). The column offset for X .
! jx - integer(optional). The column offset for sub( X ).
!
function psb_dnrm2(x, desc_a, info, jx)
function psb_dnrm2(x, desc_a, info, jx) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -55,17 +55,16 @@ function psb_dnrm2(x, desc_a, info, jx)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in), optional :: jx
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_) :: psb_dnrm2
real(psb_dpk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm
real(psb_dpk_) :: nrm2, dnrm2, dd
!!$ external dcombnrm2
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: dnrm2, dd
character(len=20) :: name, ch_err
name='psb_dnrm2'
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -86,7 +85,8 @@ function psb_dnrm2(x, desc_a, info, jx)
endif
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,ijx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -99,29 +99,22 @@ function psb_dnrm2(x, desc_a, info, jx)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = dnrm2( ndim, x(iix:,jjx), ione )
res = dnrm2( int(ndim,kind=psb_mpik_), x(iix:,jjx), int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
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)
nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx,jjx))/nrm2)**2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = dzero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
psb_dnrm2 = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -176,11 +169,11 @@ end function psb_dnrm2
! norm2 := sqrt ( X**T * X)
!
! Arguments:
! x - real,dimension(:). The input vector containing the entries of X.
! x(:) - real The input vector containing the entries of X.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_dnrm2v(x, desc_a, info)
function psb_dnrm2v(x, desc_a, info) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -190,17 +183,18 @@ function psb_dnrm2v(x, desc_a, info)
real(psb_dpk_), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_) :: psb_dnrm2v
real(psb_dpk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_dpk_) :: nrm2, dnrm2, dd
!!$ external dcombnrm2
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: dnrm2, dd
!!$ external scombnrm2
character(len=20) :: name, ch_err
name='psb_dnrm2v'
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -216,8 +210,8 @@ function psb_dnrm2v(x, desc_a, info)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -230,28 +224,22 @@ function psb_dnrm2v(x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = dnrm2( ndim, x, ione )
res = dnrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
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)
nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = dzero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
call psb_nrm2(ictxt,res)
psb_dnrm2v = nrm2
call psb_erractionrestore(err_act)
return
@ -267,6 +255,7 @@ function psb_dnrm2v(x, desc_a, info)
end function psb_dnrm2v
function psb_dnrm2_vect(x, desc_a, info) result(res)
use psb_descriptor_type
use psb_check_mod
@ -282,8 +271,8 @@ function psb_dnrm2_vect(x, desc_a, info) result(res)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_dpk_) :: nrm2, dnrm2, dd
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: snrm2, dd
!!$ external dcombnrm2
character(len=20) :: name, ch_err
@ -311,8 +300,8 @@ function psb_dnrm2_vect(x, desc_a, info) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
ldx = x%get_nrows()
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -325,10 +314,9 @@ function psb_dnrm2_vect(x, desc_a, info) result(res)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = x%nrm2(ndim)
res = x%nrm2(ndim)
!!$ ! adjust because overlapped elements are computed more than once
!!$ do i=1,size(desc_a%ovrlap_elem,1)
!!$ idx = desc_a%ovrlap_elem(i,1)
@ -337,16 +325,10 @@ function psb_dnrm2_vect(x, desc_a, info) result(res)
!!$ nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
!!$ end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = dzero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
res = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -363,8 +345,6 @@ end function psb_dnrm2_vect
!!$
!!$ Parallel Sparse BLAS version 3.0
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
@ -400,11 +380,11 @@ end function psb_dnrm2_vect
! Subroutine: psb_dnrm2vs
! Forms the norm2 of a distributed vector,
!
! res := sqrt ( X**T * X)
! norm2 := sqrt ( X**T * X)
!
! Arguments:
! res - real. The result.
! x - real,dimension(:). The input vector containing the entries of X.
! res - real The result.
! x(:) - real The input vector containing the entries of X.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
@ -422,13 +402,14 @@ subroutine psb_dnrm2vs(res, x, desc_a, info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: nrm2, dnrm2, dd
!!$ external dcombnrm2
!!$ external scombnrm2
character(len=20) :: name, ch_err
name='psb_dnrm2'
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -444,8 +425,8 @@ subroutine psb_dnrm2vs(res, x, desc_a, info)
ix = 1
jx = 1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -458,28 +439,23 @@ subroutine psb_dnrm2vs(res, x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = dnrm2( ndim, x, ione )
res = dnrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
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)
nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = dzero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
call psb_nrm2(ictxt,res)
res = nrm2
call psb_erractionrestore(err_act)
return

30
base/psblas/psb_dnrmi.f90
Unescape Escape View File

@ -32,38 +32,31 @@
! File: psb_dnrmi.f90
!
! Function: psb_dnrmi
! Forms the approximated norm of a sparse matrix,
! Forms the infinity norm of a sparse matrix,
!
! normi := max(sum(abs(A(i,:))))
! nrmi := max_i(abs(sum(A(i,:))))
!
! Arguments:
! a - type(psb_dspmat_type). The sparse matrix containing A.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_dnrmi(a,desc_a,info)
use psb_descriptor_type
use psb_serial_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
use psb_mat_mod
function psb_dnrmi(a,desc_a,info) result(res)
use psb_base_mod, psb_protect_name => psb_dnrmi
implicit none
type(psb_dspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
type(psb_desc_type), intent(in) :: desc_a
real(psb_dpk_) :: psb_dnrmi
real(psb_dpk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, n, iia, jja, ia, ja, mdim, ndim, m
real(psb_dpk_) :: nrmi
character(len=20) :: name, ch_err
name='psb_dnrmi'
psb_dnrmi = dzero
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -96,20 +89,19 @@ function psb_dnrmi(a,desc_a,info)
end if
if ((m /= 0).and.(n /= 0)) then
nrmi = a%csnmi()
res = a%csnmi()
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_csnmi'
ch_err='psb_dnrmi'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
else
nrmi = 0.d0
res = dzero
end if
! compute global max
call psb_amx(ictxt, nrmi)
psb_dnrmi = nrmi
! compute global max
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return

35
base/psblas/psb_dspmm.f90
Unescape Escape View File

@ -49,7 +49,7 @@
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! a - type(psb_dspmat_type). The sparse matrix containing A.
! x(:,:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:,:) - real The input vector containing the entries of ( Y ).
@ -93,7 +93,7 @@ subroutine psb_dspmm(alpha,a,x,beta,y,desc_a,info,&
integer(psb_ipk_) :: debug_level, debug_unit
name='psb_dspmm'
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
@ -205,9 +205,9 @@ subroutine psb_dspmm(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -277,9 +277,9 @@ subroutine psb_dspmm(alpha,a,x,beta,y,desc_a,info,&
! checking for vectors correctness
call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(n,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -405,7 +405,7 @@ end subroutine psb_dspmm
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! a - type(psb_dspmat_type). The sparse matrix containing A.
! x(:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:) - real The input vector containing the entries of ( Y ).
@ -445,7 +445,7 @@ subroutine psb_dspmv(alpha,a,x,beta,y,desc_a,info,&
integer(psb_ipk_) :: debug_level, debug_unit
name='psb_dspmv'
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
@ -543,9 +543,9 @@ subroutine psb_dspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -583,9 +583,9 @@ subroutine psb_dspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -816,9 +816,9 @@ subroutine psb_dspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -856,9 +856,9 @@ subroutine psb_dspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -882,6 +882,7 @@ subroutine psb_dspmv_vect(alpha,a,x,beta,y,desc_a,info,&
!
call psi_ovrl_save(x%v,xvsave,desc_a,info)
if (info == psb_success_) call psi_ovrl_upd(x%v,desc_a,psb_avg_,info)
!!! THIS SHOULD BE FIXED !!! But beta is almost never /= 0
!!$ yp(nrow+1:ncol) = dzero
@ -909,7 +910,7 @@ subroutine psb_dspmv_vect(alpha,a,x,beta,y,desc_a,info,&
& write(debug_unit,*) me,' ',trim(name),' swaptran ', info
if(info /= psb_success_) then
info = psb_err_from_subroutine_
ch_err='PSI_dSwapTran'
ch_err='PSI_SwapTran'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if

30
base/psblas/psb_dspnrm1.f90
Unescape Escape View File

@ -29,42 +29,34 @@
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
! File: psb_dnrmi.f90
! File: psb_dnrm1.f90
!
! Function: psb_dnrmi
! Forms the approximated norm of a sparse matrix,
! Function: psb_dnrm1
! Forms the norm1 of a sparse matrix,
!
! norm1 := max(sum(abs(A(:,j))))
! norm1 := max_j(sum(abs(A(:,j))))
!
! Arguments:
! a - type(psb_dspmat_type). The sparse matrix containing A.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_dspnrm1(a,desc_a,info)
!!$ use psb_descriptor_type
!!$ use psb_serial_mod
!!$ use psb_check_mod
!!$ use psb_error_mod
!!$ use psb_penv_mod
!!$ use psb_mat_mod
!!$ use psb_tools_mod
function psb_dspnrm1(a,desc_a,info) result(res)
use psb_base_mod, psb_protect_name => psb_dspnrm1
implicit none
type(psb_dspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
type(psb_desc_type), intent(in) :: desc_a
real(psb_dpk_) :: psb_dspnrm1
real(psb_dpk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me, nr,nc,&
& err_act, n, iia, jja, ia, ja, mdim, ndim, m
real(psb_dpk_) :: nrm1
character(len=20) :: name, ch_err
real(psb_dpk_), allocatable :: v(:)
name='psb_dnrm1'
name='psb_dspnrm1'
if (psb_errstatus_fatal()) return
info=psb_success_
call psb_erractionsave(err_act)
@ -120,14 +112,12 @@ function psb_dspnrm1(a,desc_a,info)
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
nrm1 = maxval(v(1:nr))
res = maxval(v(1:nr))
else
nrm1 = 0.d0
res = dzero
end if
! compute global max
call psb_amx(ictxt, nrm1)
psb_dspnrm1 = nrm1
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return

33
base/psblas/psb_dspsm.f90
Unescape Escape View File

@ -56,8 +56,8 @@
! vector and T is a M-by-M distributed triangular matrix.
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! alpha - real. The scalar alpha.
! a - type(psb_dspmat_type). The sparse matrix containing A.
! x(:,:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:,:) - real The input vector containing the entries of ( Y ).
@ -73,7 +73,6 @@
! jy - integer(optional). The column offset for ( Y ). Default: 1
! work(:) - real, optional Working area.
!
!
subroutine psb_dspsm(alpha,a,x,beta,y,desc_a,info,&
& trans, scale, choice, diag, k, jx, jy, work)
use psb_base_mod, psb_protect_name => psb_dspsm
@ -106,7 +105,7 @@ subroutine psb_dspsm(alpha,a,x,beta,y,desc_a,info,&
logical :: aliw
name='psb_dspsm'
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -221,9 +220,9 @@ subroutine psb_dspsm(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -339,8 +338,8 @@ end subroutine psb_dspsm
!
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! alpha - real. The scalar alpha.
! a - type(psb_dspmat_type). The sparse matrix containing A.
! x(:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:) - real The input vector containing the entries of ( Y ).
@ -384,7 +383,7 @@ subroutine psb_dspsv(alpha,a,x,beta,y,desc_a,info,&
logical :: aliw
name='psb_dspsv'
if (psb_errstatus_fatal()) return
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -484,9 +483,9 @@ subroutine psb_dspsv(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -550,6 +549,7 @@ subroutine psb_dspsv(alpha,a,x,beta,y,desc_a,info,&
return
end subroutine psb_dspsv
subroutine psb_dspsv_vect(alpha,a,x,beta,y,desc_a,info,&
& trans, scale, choice, diag, work)
use psb_base_mod, psb_protect_name => psb_dspsv_vect
@ -580,7 +580,7 @@ subroutine psb_dspsv_vect(alpha,a,x,beta,y,desc_a,info,&
character(len=20) :: name, ch_err
logical :: aliw
name='psb_dspsv'
name='psb_sspsv'
if (psb_errstatus_fatal()) return
info=psb_success_
call psb_erractionsave(err_act)
@ -684,9 +684,9 @@ subroutine psb_dspsv_vect(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -710,11 +710,6 @@ subroutine psb_dspsv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! Perform local triangular system solve
!!$ if (present(diag)) then
!!$ call psb_cssm(alpha,a,x,beta,y,info,scale=scale,d=diag,trans=trans)
!!$ else
!!$ call psb_cssm(alpha,a,x,beta,y,info,scale=scale,trans=trans)
!!$ end if
if (present(diag)) then
call a%cssm(alpha,x,beta,y,info,scale=scale,d=diag,trans=trans)
else

68
base/psblas/psb_saxpby.f90
Unescape Escape View File

@ -115,6 +115,7 @@ subroutine psb_saxpby_vect(alpha, x, beta, y,&
return
end subroutine psb_saxpby_vect
!
! Subroutine: psb_saxpby
! Adds one distributed matrix to another,
@ -126,17 +127,18 @@ end subroutine psb_saxpby_vect
! sub( Y ) denotes Y(:,JY).
!
! Arguments:
! alpha - real The scalar alpha
! x(:,:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta
! y(:,:) - real The input vector containing the entries of ( Y ).
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! jx - integer(optional). The column offset for sub( X ).
! jy - integer(optional). The column offset for sub( Y ).
! alpha - real,input The scalar used to multiply each component of X
! x(:,:) - real,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:,:) - real,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
! jx - integer(optional) The column offset for X
! jy - integer(optional) The column offset for Y
!
subroutine psb_saxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
use psb_base_mod, psb_protect_name => psb_saxpby
implicit none
integer(psb_ipk_), intent(in), optional :: n, jx, jy
@ -148,16 +150,16 @@ subroutine psb_saxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
name='psb_sgeaxpby'
name='psb_geaxpby'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -ione) then
info = psb_err_context_error_
@ -197,11 +199,12 @@ subroutine psb_saxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
end if
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ione,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ione,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -217,9 +220,9 @@ subroutine psb_saxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
if ((in /= 0)) then
if(desc_a%get_local_rows() > 0) then
call saxpby(desc_a%get_local_rows(),in,&
& alpha,x(iix:,jjx),size(x,1),beta,&
& y(iiy:,jjy),size(y,1),info)
call caxpby(desc_a%get_local_cols(),in,&
& alpha,x(iix:,jjx),lldx,beta,&
& y(iiy:,jjy),lldy,info)
end if
end if
@ -278,12 +281,12 @@ end subroutine psb_saxpby
! Y := beta * Y + alpha * X
!
! Arguments:
! alpha - real The scalar alpha
! x(:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta
! y(:) - real The input vector containing the entries of ( Y ).
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! alpha - real,input The scalar used to multiply each component of X
! x(:) - real,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:) - real,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
!
!
subroutine psb_saxpbyv(alpha, x, beta,y,desc_a,info)
@ -298,10 +301,12 @@ subroutine psb_saxpbyv(alpha, x, beta,y,desc_a,info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, m, iiy, jjy
& err_act, iix, jjx, ix, iy, m, iiy, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
logical, parameter :: debug=.false.
name='psb_sgeaxpby'
name='psb_geaxpby'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
@ -319,16 +324,17 @@ subroutine psb_saxpbyv(alpha, x, beta,y,desc_a,info)
iy = ione
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x),ix,ione,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ione,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 1'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
call psb_chkvect(m,ione,size(y),iy,ione,desc_a,info,iiy,jjy)
call psb_chkvect(m,ione,lldy,iy,ione,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 2'
@ -342,9 +348,9 @@ subroutine psb_saxpbyv(alpha, x, beta,y,desc_a,info)
end if
if(desc_a%get_local_rows() > 0) then
call saxpby(desc_a%get_local_rows(),ione,&
& alpha,x,size(x),beta,&
& y,size(y),info)
call caxpby(desc_a%get_local_cols(),ione,&
& alpha,x,lldx,beta,&
& y,lldy,info)
end if
call psb_erractionrestore(err_act)

111
base/psblas/psb_snrm2.f90
Unescape Escape View File

@ -39,12 +39,12 @@
! where sub( X ) denotes X(:,JX).
!
! Arguments:
! x - real,dimension(:,:). The input vector containing the entries of X.
! x(:,:) - real The input vector containing the entries of sub( X ).
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! jx - integer(optional). The column offset for X .
! jx - integer(optional). The column offset for sub( X ).
!
function psb_snrm2(x, desc_a, info, jx)
function psb_snrm2(x, desc_a, info, jx) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -55,13 +55,12 @@ function psb_snrm2(x, desc_a, info, jx)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in), optional :: jx
integer(psb_ipk_), intent(out) :: info
real(psb_spk_) :: psb_snrm2
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm
real(psb_spk_) :: nrm2, snrm2, dd
!!$ external scombnrm2
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: snrm2, dd
character(len=20) :: name, ch_err
name='psb_snrm2'
@ -86,7 +85,8 @@ function psb_snrm2(x, desc_a, info, jx)
endif
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,ijx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -99,29 +99,22 @@ function psb_snrm2(x, desc_a, info, jx)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = snrm2( ndim, x(iix:,jjx), ione )
res = snrm2( int(ndim,kind=psb_mpik_), x(iix:,jjx), int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
nrm2 = nrm2 * sqrt(sone - dd*(abs(x(idx,jjx))/nrm2)**2)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
end do
else
nrm2 = szero
res = szero
end if
else
nrm2 = szero
end if
!!$ call pstreecomb(ictxt,'All',1,nrm2,-1,-1,scombnrm2)
call psb_nrm2(ictxt,nrm2)
psb_snrm2 = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -176,11 +169,11 @@ end function psb_snrm2
! norm2 := sqrt ( X**T * X)
!
! Arguments:
! x - real,dimension(:). The input vector containing the entries of X.
! x(:) - real The input vector containing the entries of X.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_snrm2v(x, desc_a, info)
function psb_snrm2v(x, desc_a, info) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -190,12 +183,13 @@ function psb_snrm2v(x, desc_a, info)
real(psb_spk_), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
real(psb_spk_) :: psb_snrm2v
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_spk_) :: nrm2, snrm2, dd
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: snrm2, dd
!!$ external scombnrm2
character(len=20) :: name, ch_err
@ -216,8 +210,8 @@ function psb_snrm2v(x, desc_a, info)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -230,28 +224,22 @@ function psb_snrm2v(x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = snrm2( ndim, x, ione )
res = snrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
nrm2 = nrm2 * sqrt(sone - dd*(abs(x(idx))/nrm2)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = szero
end if
else
nrm2 = szero
res = szero
end if
!!$ call pstreecomb(ictxt,'All',1,nrm2,-1,-1,scombnrm2)
call psb_nrm2(ictxt,nrm2)
call psb_nrm2(ictxt,res)
psb_snrm2v = nrm2
call psb_erractionrestore(err_act)
return
@ -267,6 +255,7 @@ function psb_snrm2v(x, desc_a, info)
end function psb_snrm2v
function psb_snrm2_vect(x, desc_a, info) result(res)
use psb_descriptor_type
use psb_check_mod
@ -282,8 +271,8 @@ function psb_snrm2_vect(x, desc_a, info) result(res)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_spk_) :: nrm2, snrm2, dd
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: snrm2, dd
!!$ external dcombnrm2
character(len=20) :: name, ch_err
@ -311,8 +300,8 @@ function psb_snrm2_vect(x, desc_a, info) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
ldx = x%get_nrows()
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -325,10 +314,9 @@ function psb_snrm2_vect(x, desc_a, info) result(res)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = x%nrm2(ndim)
res = x%nrm2(ndim)
!!$ ! adjust because overlapped elements are computed more than once
!!$ do i=1,size(desc_a%ovrlap_elem,1)
!!$ idx = desc_a%ovrlap_elem(i,1)
@ -337,16 +325,10 @@ function psb_snrm2_vect(x, desc_a, info) result(res)
!!$ nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
!!$ end do
else
nrm2 = szero
end if
else
nrm2 = szero
res = szero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
res = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -363,7 +345,6 @@ end function psb_snrm2_vect
!!$
!!$ Parallel Sparse BLAS version 3.0
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
@ -399,11 +380,11 @@ end function psb_snrm2_vect
! Subroutine: psb_snrm2vs
! Forms the norm2 of a distributed vector,
!
! res := sqrt ( X**T * X)
! norm2 := sqrt ( X**T * X)
!
! Arguments:
! res - real. The result.
! x - real,dimension(:). The input vector containing the entries of X.
! res - real The result.
! x(:) - real The input vector containing the entries of X.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
@ -421,8 +402,9 @@ subroutine psb_snrm2vs(res, x, desc_a, info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_spk_) :: nrm2, snrm2, dd
!!$ external scombnrm2
character(len=20) :: name, ch_err
@ -443,8 +425,8 @@ subroutine psb_snrm2vs(res, x, desc_a, info)
ix = 1
jx = 1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -457,28 +439,23 @@ subroutine psb_snrm2vs(res, x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = snrm2( ndim, x, ione )
res = snrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
dd = real(ndm-1)/real(ndm)
nrm2 = nrm2 * sqrt(sone - dd*(abs(x(idx))/nrm2)**2)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = szero
end if
else
nrm2 = szero
res = szero
end if
!!$ call pstreecomb(ictxt,'All',1,nrm2,-1,-1,scombnrm2)
call psb_nrm2(ictxt,nrm2)
call psb_nrm2(ictxt,res)
res = nrm2
call psb_erractionrestore(err_act)
return

28
base/psblas/psb_snrmi.f90
Unescape Escape View File

@ -32,33 +32,27 @@
! File: psb_snrmi.f90
!
! Function: psb_snrmi
! Forms the approximated norm of a sparse matrix,
! Forms the infinity norm of a sparse matrix,
!
! normi := max(abs(sum(A(i,j))))
! nrmi := max_i(abs(sum(A(i,:))))
!
! Arguments:
! a - type(psb_sspmat_type). The sparse matrix containing A.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_snrmi(a,desc_a,info)
use psb_descriptor_type
use psb_serial_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
use psb_mat_mod
function psb_snrmi(a,desc_a,info) result(res)
use psb_base_mod, psb_protect_name => psb_snrmi
implicit none
type(psb_sspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
type(psb_desc_type), intent(in) :: desc_a
real(psb_spk_) :: psb_snrmi
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, n, iia, jja, ia, ja, mdim, ndim, m
real(psb_spk_) :: nrmi
character(len=20) :: name, ch_err
name='psb_snrmi'
@ -95,21 +89,19 @@ function psb_snrmi(a,desc_a,info)
end if
if ((m /= 0).and.(n /= 0)) then
nrmi = a%csnmi()
res = a%csnmi()
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_csnmi'
ch_err='psb_snrmi'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
else
nrmi = 0.0
res = szero
end if
! compute global max
call psb_amx(ictxt, nrmi)
psb_snrmi = nrmi
! compute global max
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return

35
base/psblas/psb_sspmm.f90
Unescape Escape View File

@ -49,7 +49,7 @@
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! a - type(psb_sspmat_type). The sparse matrix containing A.
! x(:,:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:,:) - real The input vector containing the entries of ( Y ).
@ -205,9 +205,9 @@ subroutine psb_sspmm(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -277,9 +277,9 @@ subroutine psb_sspmm(alpha,a,x,beta,y,desc_a,info,&
! checking for vectors correctness
call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(n,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -304,7 +304,8 @@ subroutine psb_sspmm(alpha,a,x,beta,y,desc_a,info,&
if (info == psb_success_) call psi_ovrl_upd(x,desc_a,psb_avg_,info)
y(nrow+1:ncol,1:ik) = szero
if (info == psb_success_) call psb_csmm(alpha,a,x(:,1:ik),beta,y(:,1:ik),info,trans=trans_)
if (info == psb_success_) &
& call psb_csmm(alpha,a,x(:,1:ik),beta,y(:,1:ik),info,trans=trans_)
if (debug_level >= psb_debug_comp_) &
& write(debug_unit,*) me,' ',trim(name),' csmm ', info
if (info /= psb_success_) then
@ -404,7 +405,7 @@ end subroutine psb_sspmm
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! a - type(psb_sspmat_type). The sparse matrix containing A.
! x(:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:) - real The input vector containing the entries of ( Y ).
@ -542,9 +543,9 @@ subroutine psb_sspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -582,9 +583,9 @@ subroutine psb_sspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -674,6 +675,7 @@ subroutine psb_sspmv(alpha,a,x,beta,y,desc_a,info,&
end subroutine psb_sspmv
subroutine psb_sspmv_vect(alpha,a,x,beta,y,desc_a,info,&
& trans, work, doswap)
use psb_base_mod, psb_protect_name => psb_sspmv_vect
@ -814,9 +816,9 @@ subroutine psb_sspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -854,9 +856,9 @@ subroutine psb_sspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -880,6 +882,7 @@ subroutine psb_sspmv_vect(alpha,a,x,beta,y,desc_a,info,&
!
call psi_ovrl_save(x%v,xvsave,desc_a,info)
if (info == psb_success_) call psi_ovrl_upd(x%v,desc_a,psb_avg_,info)
!!! THIS SHOULD BE FIXED !!! But beta is almost never /= 0
!!$ yp(nrow+1:ncol) = szero
@ -907,7 +910,7 @@ subroutine psb_sspmv_vect(alpha,a,x,beta,y,desc_a,info,&
& write(debug_unit,*) me,' ',trim(name),' swaptran ', info
if(info /= psb_success_) then
info = psb_err_from_subroutine_
ch_err='PSI_dSwapTran'
ch_err='PSI_SwapTran'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if

25
base/psblas/psb_sspsm.f90
Unescape Escape View File

@ -56,15 +56,15 @@
! vector and T is a M-by-M distributed triangular matrix.
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! alpha - real. The scalar alpha.
! a - type(psb_sspmat_type). The sparse matrix containing A.
! x(:,:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:,:) - real The input vector containing the entries of ( Y ).
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! trans - character(optional). Whether A or A'. If not present 'N' is assumed.
! unitd - character(optional). Specify some type of operation with
! scale - character(optional). Specify some type of operation with
! the diagonal matrix D.
! choice - integer(optional). The kind of update to perform on overlap elements.
! d(:) - real, optional Matrix for diagonal scaling.
@ -73,7 +73,6 @@
! jy - integer(optional). The column offset for ( Y ). Default: 1
! work(:) - real, optional Working area.
!
!
subroutine psb_sspsm(alpha,a,x,beta,y,desc_a,info,&
& trans, scale, choice, diag, k, jx, jy, work)
use psb_base_mod, psb_protect_name => psb_sspsm
@ -221,9 +220,9 @@ subroutine psb_sspsm(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -339,8 +338,8 @@ end subroutine psb_sspsm
!
!
! Arguments:
! alpha - real The scalar alpha.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! alpha - real. The scalar alpha.
! a - type(psb_sspmat_type). The sparse matrix containing A.
! x(:) - real The input vector containing the entries of ( X ).
! beta - real The scalar beta.
! y(:) - real The input vector containing the entries of ( Y ).
@ -484,9 +483,9 @@ subroutine psb_sspsv(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -550,6 +549,7 @@ subroutine psb_sspsv(alpha,a,x,beta,y,desc_a,info,&
return
end subroutine psb_sspsv
subroutine psb_sspsv_vect(alpha,a,x,beta,y,desc_a,info,&
& trans, scale, choice, diag, work)
use psb_base_mod, psb_protect_name => psb_sspsv_vect
@ -684,9 +684,9 @@ subroutine psb_sspsv_vect(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -750,4 +750,3 @@ subroutine psb_sspsv_vect(alpha,a,x,beta,y,desc_a,info,&
return
end subroutine psb_sspsv_vect

41
base/psblas/psb_zaxpby.f90
Unescape Escape View File

@ -129,8 +129,8 @@ end subroutine psb_zaxpby_vect
! Arguments:
! alpha - complex,input The scalar used to multiply each component of X
! x(:,:) - complex,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:,:) - real,inout The input vector Y
! beta - complex,input The scalar used to multiply each component of Y
! y(:,:) - complex,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
! jx - integer(optional) The column offset for X
@ -138,6 +138,7 @@ end subroutine psb_zaxpby_vect
!
subroutine psb_zaxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
use psb_base_mod, psb_protect_name => psb_zaxpby
implicit none
integer(psb_ipk_), intent(in), optional :: n, jx, jy
@ -149,7 +150,8 @@ subroutine psb_zaxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
name='psb_geaxpby'
@ -197,11 +199,12 @@ subroutine psb_zaxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
end if
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ione,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ione,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -217,9 +220,9 @@ subroutine psb_zaxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
if ((in /= 0)) then
if(desc_a%get_local_rows() > 0) then
call zaxpby(desc_a%get_local_cols(),in,&
& alpha,x(iix:,jjx),size(x,1),beta,&
& y(iiy:,jjy),size(y,1),info)
call caxpby(desc_a%get_local_cols(),in,&
& alpha,x(iix:,jjx),lldx,beta,&
& y(iiy:,jjy),lldy,info)
end if
end if
@ -280,8 +283,8 @@ end subroutine psb_zaxpby
! Arguments:
! alpha - complex,input The scalar used to multiply each component of X
! x(:) - complex,input The input vector containing the entries of X
! beta - real,input The scalar used to multiply each component of Y
! y(:) - real,inout The input vector Y
! beta - complex,input The scalar used to multiply each component of Y
! y(:) - complex,inout The input vector Y
! desc_a - type(psb_desc_type) The communication descriptor.
! info - integer Return code
!
@ -298,7 +301,8 @@ subroutine psb_zaxpbyv(alpha, x, beta,y,desc_a,info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, iy, m, iiy, jjy
& err_act, iix, jjx, ix, iy, m, iiy, jjy, &
& lldx, lldy
character(len=20) :: name, ch_err
logical, parameter :: debug=.false.
@ -320,16 +324,17 @@ subroutine psb_zaxpbyv(alpha, x, beta,y,desc_a,info)
iy = ione
m = desc_a%get_global_rows()
lldx = size(x,1)
lldy = size(y,1)
! check vector correctness
call psb_chkvect(m,ione,size(x),ix,ione,desc_a,info,iix,jjx)
call psb_chkvect(m,ione,lldx,ix,ione,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 1'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
call psb_chkvect(m,ione,size(y),iy,ione,desc_a,info,iiy,jjy)
call psb_chkvect(m,ione,lldy,iy,ione,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect 2'
@ -343,9 +348,9 @@ subroutine psb_zaxpbyv(alpha, x, beta,y,desc_a,info)
end if
if(desc_a%get_local_rows() > 0) then
call zaxpby(desc_a%get_local_cols(),ione,&
& alpha,x,size(x),beta,&
& y,size(y),info)
call caxpby(desc_a%get_local_cols(),ione,&
& alpha,x,lldx,beta,&
& y,lldy,info)
end if
call psb_erractionrestore(err_act)

108
base/psblas/psb_znrm2.f90
Unescape Escape View File

@ -44,7 +44,7 @@
! info - integer. Return code
! jx - integer(optional). The column offset for sub( X ).
!
function psb_znrm2(x, desc_a, info, jx)
function psb_znrm2(x, desc_a, info, jx) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -55,14 +55,12 @@ function psb_znrm2(x, desc_a, info, jx)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in), optional :: jx
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_) :: psb_znrm2
real(psb_dpk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm
real(psb_dpk_) :: nrm2, dznrm2, dd
!!$ external dcombnrm2
& err_act, iix, jjx, ndim, ix, ijx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: dznrm2, dd
character(len=20) :: name, ch_err
name='psb_znrm2'
@ -87,7 +85,8 @@ function psb_znrm2(x, desc_a, info, jx)
endif
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,ijx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -100,29 +99,22 @@ function psb_znrm2(x, desc_a, info, jx)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = dznrm2( ndim, x(iix:,jjx), ione )
res = dznrm2( int(ndim,kind=psb_mpik_), x(iix:,jjx), int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
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)
nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx,jjx))/nrm2)**2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx,jjx))/res)**2)
end do
else
nrm2 = dzero
res = dzero
end if
else
nrm2 = dzero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
psb_znrm2 = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -181,7 +173,7 @@ end function psb_znrm2
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_znrm2v(x, desc_a, info)
function psb_znrm2v(x, desc_a, info) result(res)
use psb_descriptor_type
use psb_check_mod
use psb_error_mod
@ -191,14 +183,14 @@ function psb_znrm2v(x, desc_a, info)
complex(psb_dpk_), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_) :: psb_znrm2v
real(psb_dpk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_dpk_) :: nrm2, dznrm2, dd
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: dznrm2, dd
!!$ external dcombnrm2
!!$ external scombnrm2
character(len=20) :: name, ch_err
name='psb_znrm2v'
@ -218,8 +210,8 @@ function psb_znrm2v(x, desc_a, info)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -232,28 +224,22 @@ function psb_znrm2v(x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = dznrm2( ndim, x, ione )
res = dznrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
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)
nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = dzero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
call psb_nrm2(ictxt,res)
psb_znrm2v = nrm2
call psb_erractionrestore(err_act)
return
@ -269,6 +255,7 @@ function psb_znrm2v(x, desc_a, info)
end function psb_znrm2v
function psb_znrm2_vect(x, desc_a, info) result(res)
use psb_descriptor_type
use psb_check_mod
@ -284,8 +271,9 @@ function psb_znrm2_vect(x, desc_a, info) result(res)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
real(psb_dpk_) :: nrm2
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: snrm2, dd
!!$ external dcombnrm2
character(len=20) :: name, ch_err
name='psb_znrm2v'
@ -312,8 +300,8 @@ function psb_znrm2_vect(x, desc_a, info) result(res)
ix = 1
jx=1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
ldx = x%get_nrows()
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -326,10 +314,9 @@ function psb_znrm2_vect(x, desc_a, info) result(res)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = x%nrm2(ndim)
res = x%nrm2(ndim)
!!$ ! adjust because overlapped elements are computed more than once
!!$ do i=1,size(desc_a%ovrlap_elem,1)
!!$ idx = desc_a%ovrlap_elem(i,1)
@ -338,15 +325,10 @@ function psb_znrm2_vect(x, desc_a, info) result(res)
!!$ nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
!!$ end do
else
nrm2 = dzero
res = dzero
end if
else
nrm2 = dzero
end if
call psb_nrm2(ictxt,nrm2)
res = nrm2
call psb_nrm2(ictxt,res)
call psb_erractionrestore(err_act)
return
@ -363,7 +345,6 @@ end function psb_znrm2_vect
!!$
!!$ Parallel Sparse BLAS version 3.0
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
@ -421,10 +402,10 @@ subroutine psb_znrm2vs(res, x, desc_a, info)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm
& err_act, iix, jjx, ndim, ix, jx, i, m, id, idx, ndm, ldx
real(psb_dpk_) :: nrm2, dznrm2, dd
!!$ external dcombnrm2
!!$ external scombnrm2
character(len=20) :: name, ch_err
name='psb_znrm2'
@ -444,8 +425,8 @@ subroutine psb_znrm2vs(res, x, desc_a, info)
ix = 1
jx = 1
m = desc_a%get_global_rows()
call psb_chkvect(m,1,size(x),ix,jx,desc_a,info,iix,jjx)
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -458,28 +439,23 @@ subroutine psb_znrm2vs(res, x, desc_a, info)
goto 9999
end if
if(m /= 0) then
if (desc_a%get_local_rows() > 0) then
ndim = desc_a%get_local_rows()
nrm2 = dznrm2( ndim, x, ione )
res = dznrm2( int(ndim,kind=psb_mpik_), x, int(ione,kind=psb_mpik_) )
! adjust because overlapped elements are computed more than once
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)
nrm2 = nrm2 * sqrt(done - dd*(abs(x(idx))/nrm2)**2)
dd = real(ndm-1)/real(ndm)
res = res * sqrt(sone - dd*(abs(x(idx))/res)**2)
end do
else
nrm2 = dzero
end if
else
nrm2 = dzero
res = dzero
end if
!!$ call pdtreecomb(ictxt,'All',1,nrm2,-1,-1,dcombnrm2)
call psb_nrm2(ictxt,nrm2)
call psb_nrm2(ictxt,res)
res = nrm2
call psb_erractionrestore(err_act)
return

29
base/psblas/psb_znrmi.f90
Unescape Escape View File

@ -32,33 +32,27 @@
! File: psb_znrmi.f90
!
! Function: psb_znrmi
! Forms the approximated norm of a sparse matrix,
! Forms the infinity norm of a sparse matrix,
!
! normi := max(abs(sum(A(i,j))))
! nrmi := max_i(abs(sum(A(i,:))))
!
! Arguments:
! a - type(psb_dspmat_type). The sparse matrix containing A.
! a - type(psb_zspmat_type). The sparse matrix containing A.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_znrmi(a,desc_a,info)
use psb_descriptor_type
use psb_serial_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
use psb_mat_mod
function psb_znrmi(a,desc_a,info) result(res)
use psb_base_mod, psb_protect_name => psb_znrmi
implicit none
type(psb_zspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
type(psb_desc_type), intent(in) :: desc_a
real(psb_dpk_) :: psb_znrmi
real(psb_dpk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, n, iia, jja, ia, ja, mdim, ndim, m
real(psb_dpk_) :: nrmi
character(len=20) :: name, ch_err
name='psb_znrmi'
@ -95,20 +89,19 @@ function psb_znrmi(a,desc_a,info)
end if
if ((m /= 0).and.(n /= 0)) then
nrmi = a%csnmi()
res = a%csnmi()
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_csnmi'
ch_err='psb_znrmi'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
else
nrmi = 0.d0
res = dzero
end if
! compute global max
call psb_amx(ictxt, nrmi)
psb_znrmi = nrmi
! compute global max
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return

31
base/psblas/psb_zspmm.f90
Unescape Escape View File

@ -205,9 +205,9 @@ subroutine psb_zspmm(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -277,9 +277,9 @@ subroutine psb_zspmm(alpha,a,x,beta,y,desc_a,info,&
! checking for vectors correctness
call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(n,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -304,7 +304,8 @@ subroutine psb_zspmm(alpha,a,x,beta,y,desc_a,info,&
if (info == psb_success_) call psi_ovrl_upd(x,desc_a,psb_avg_,info)
y(nrow+1:ncol,1:ik) = zzero
if (info == psb_success_) call psb_csmm(alpha,a,x(:,1:ik),beta,y(:,1:ik),info,trans=trans_)
if (info == psb_success_) &
& call psb_csmm(alpha,a,x(:,1:ik),beta,y(:,1:ik),info,trans=trans_)
if (debug_level >= psb_debug_comp_) &
& write(debug_unit,*) me,' ',trim(name),' csmm ', info
if (info /= psb_success_) then
@ -542,9 +543,9 @@ subroutine psb_zspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -582,9 +583,9 @@ subroutine psb_zspmv(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -674,6 +675,7 @@ subroutine psb_zspmv(alpha,a,x,beta,y,desc_a,info,&
end subroutine psb_zspmv
subroutine psb_zspmv_vect(alpha,a,x,beta,y,desc_a,info,&
& trans, work, doswap)
use psb_base_mod, psb_protect_name => psb_zspmv_vect
@ -814,9 +816,9 @@ subroutine psb_zspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(n,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(n,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -854,9 +856,9 @@ subroutine psb_zspmv_vect(alpha,a,x,beta,y,desc_a,info,&
end if
! checking for vectors correctness
call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(n,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(n,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
@ -880,8 +882,9 @@ subroutine psb_zspmv_vect(alpha,a,x,beta,y,desc_a,info,&
!
call psi_ovrl_save(x%v,xvsave,desc_a,info)
if (info == psb_success_) call psi_ovrl_upd(x%v,desc_a,psb_avg_,info)
!!! THIS SHOULD BE FIXED !!! But beta is almost never /= 0
!!$ yp(nrow+1:ncol) = szero
!!$ yp(nrow+1:ncol) = zzero
! local Matrix-vector product
if (info == psb_success_) call psb_csmm(alpha,a,x,beta,y,info,trans=trans_)

12
base/psblas/psb_zspsm.f90
Unescape Escape View File

@ -220,9 +220,9 @@ subroutine psb_zspsm(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x,1),ix,ijx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,ijx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,ijy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -483,9 +483,9 @@ subroutine psb_zspsv(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(x),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_) &
& call psb_chkvect(m,ik,size(y),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'
@ -684,9 +684,9 @@ subroutine psb_zspsv_vect(alpha,a,x,beta,y,desc_a,info,&
call psb_chkmat(m,m,ia,ja,desc_a,info,iia,jja)
! checking for vectors correctness
if (info == psb_success_) &
& call psb_chkvect(m,ik,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
& call psb_chkvect(m,ik,lldx,ix,jx,desc_a,info,iix,jjx)
if (info == psb_success_)&
& call psb_chkvect(m,ik,y%get_nrows(),iy,jy,desc_a,info,iiy,jjy)
& call psb_chkvect(m,ik,lldy,iy,jy,desc_a,info,iiy,jjy)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect/mat'

Write Preview
Loading…
Cancel
Save