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psblas3/opt/psb_d_elg_impl.F90

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psblas3-dev: opt/Makefile opt/elldev.c opt/elldev.h opt/elldev_mod.F90 opt/psb_d_elg_impl.F90 opt/psb_d_elg_mat_mod.F90 Started work on GPU interfacing.
14 years ago
! == ===================================
!
!
!
! Computational routines
!
!
!
!
!
!
! == ===================================
subroutine psb_d_elg_csmv(alpha,a,x,beta,y,info,trans)
use psb_sparse_mod
#ifdef HAVE_ELL_GPU
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csmv
use elldev_mod
#else
use psb_d_elg_mat_mod
#endif
use iso_c_binding
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:)
real(psb_dpk_), intent(inout) :: y(:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc
real(psb_dpk_) :: acc
type(c_ptr) :: gpX, gpY
logical :: tra
Integer :: err_act
character(len=20) :: name='d_elg_csmv'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
if (tra) then
m = a%get_ncols()
n = a%get_nrows()
else
n = a%get_ncols()
m = a%get_nrows()
end if
if (size(x,1)<n) then
info = 36
call psb_errpush(info,name,i_err=(/3,n,0,0,0/))
goto 9999
end if
if (size(y,1)<m) then
info = 36
call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
goto 9999
end if
#ifdef HAVE_ELL_GPU
!
! Just to test, move X/Y to/from the GPU.
!
if (info == 0) &
& info = allocVecDevice(gpX,size(x),elldev_double)
if (info == 0) &
& info = writeVecDevice(gpX,x)
if (info == 0) &
& info = allocVecDevice(gpY,size(y),elldev_double)
if (info == 0) &
& info = writeVecDevice(gpY,y)
if (info == 0) &
& info = spmvEllDevice(a%deviceMat,alpha,gpX,beta,gpY)
call freeVecDevice(gpX)
call freeVecDevice(gpY)
#else
call a%psb_d_ell_sparse_mat%d_csmv(alpha,x,beta,y,info,trans)
#endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_csmv
#if 0
subroutine psb_d_elg_csmm(alpha,a,x,beta,y,info,trans)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csmm
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:,:)
real(psb_dpk_), intent(inout) :: y(:,:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc, nxy
real(psb_dpk_), allocatable :: acc(:)
logical :: tra
Integer :: err_act
character(len=20) :: name='d_elg_csmm'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
if (tra) then
m = a%get_ncols()
n = a%get_nrows()
else
n = a%get_ncols()
m = a%get_nrows()
end if
if (size(x,1)<n) then
info = 36
call psb_errpush(info,name,i_err=(/3,n,0,0,0/))
goto 9999
end if
if (size(y,1)<m) then
info = 36
call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
goto 9999
end if
nxy = min(size(x,2) , size(y,2) )
allocate(acc(nxy), stat=info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='allocate')
goto 9999
end if
call psb_d_elg_csmm_inner(m,n,nxy,alpha,size(a%ja,2),&
& a%ja,size(a%ja,1),a%val,size(a%val,1), &
& a%is_triangle(),a%is_unit(),x,size(x,1), &
& beta,y,size(y,1),tra,acc)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
contains
subroutine psb_d_elg_csmm_inner(m,n,nxy,alpha,nc,ja,ldj,val,ldv,&
& is_triangle,is_unit,x,ldx,beta,y,ldy,tra,acc)
integer, intent(in) :: m,n,ldx,ldy,nxy,nc,ldj,ldv
integer, intent(in) :: ja(ldj,*)
real(psb_dpk_), intent(in) :: alpha, beta, x(ldx,*),val(ldv,*)
real(psb_dpk_), intent(inout) :: y(ldy,*)
logical, intent(in) :: is_triangle,is_unit,tra
real(psb_dpk_), intent(inout) :: acc(*)
integer :: i,j,k, ir, jc
if (alpha == dzero) then
if (beta == dzero) then
do i = 1, m
y(i,1:nxy) = dzero
enddo
else
do i = 1, m
y(i,1:nxy) = beta*y(i,1:nxy)
end do
endif
return
end if
if (.not.tra) then
if (beta == dzero) then
if (alpha == done) then
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = acc(1:nxy)
end do
else if (alpha == -done) then
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) - val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = acc(1:nxy)
end do
else
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = alpha*acc(1:nxy)
end do
end if
else if (beta == done) then
if (alpha == done) then
do i=1,m
acc(1:nxy) = y(i,1:nxy)
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = acc(1:nxy)
end do
else if (alpha == -done) then
do i=1,m
acc(1:nxy) = y(i,1:nxy)
do j=1,nc
acc(1:nxy) = acc(1:nxy) - val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = acc(1:nxy)
end do
else
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = y(i,1:nxy) + alpha*acc(1:nxy)
end do
end if
else if (beta == -done) then
if (alpha == done) then
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = -y(i,1:nxy) + acc(1:nxy)
end do
else if (alpha == -done) then
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = -y(i,1:nxy) -acc(1:nxy)
end do
else
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = -y(i,1:nxy) + alpha*acc(1:nxy)
end do
end if
else
if (alpha == done) then
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = beta*y(i,1:nxy) + acc(1:nxy)
end do
else if (alpha == -done) then
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = beta*y(i,1:nxy) - acc(1:nxy)
end do
else
do i=1,m
acc(1:nxy) = dzero
do j=1,nc
acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
enddo
y(i,1:nxy) = beta*y(i,1:nxy) + alpha*acc(1:nxy)
end do
end if
end if
else if (tra) then
if (beta == dzero) then
do i=1, m
y(i,1:nxy) = dzero
end do
else if (beta == done) then
! Do nothing
else if (beta == -done) then
do i=1, m
y(i,1:nxy) = -y(i,1:nxy)
end do
else
do i=1, m
y(i,1:nxy) = beta*y(i,1:nxy)
end do
end if
if (alpha == done) then
do i=1,n
do j=1,nc
ir = ja(i,j)
y(ir,1:nxy) = y(ir,1:nxy) + val(i,j)*x(i,1:nxy)
end do
enddo
else if (alpha == -done) then
do i=1,n
do j=1,nc
ir = ja(i,j)
y(ir,1:nxy) = y(ir,1:nxy) - val(i,j)*x(i,1:nxy)
end do
enddo
else
do i=1,n
do j=1,nc
ir = ja(i,j)
y(ir,1:nxy) = y(ir,1:nxy) + alpha*val(i,j)*x(i,1:nxy)
end do
enddo
end if
endif
if (is_triangle.and.is_unit) then
do i=1, min(m,n)
y(i,1:nxy) = y(i,1:nxy) + alpha*x(i,1:nxy)
end do
end if
end subroutine psb_d_elg_csmm_inner
end subroutine psb_d_elg_csmm
subroutine psb_d_elg_cssv(alpha,a,x,beta,y,info,trans)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_cssv
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:)
real(psb_dpk_), intent(inout) :: y(:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: tmp(:)
logical :: tra
Integer :: err_act
character(len=20) :: name='d_elg_cssv'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
m = a%get_nrows()
if (.not. (a%is_triangle())) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
if (size(x)<m) then
info = 36
call psb_errpush(info,name,i_err=(/3,m,0,0,0/))
goto 9999
end if
if (size(y)<m) then
info = 36
call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
goto 9999
end if
if (alpha == dzero) then
if (beta == dzero) then
do i = 1, m
y(i) = dzero
enddo
else
do i = 1, m
y(i) = beta*y(i)
end do
endif
return
end if
if (beta == dzero) then
call inner_elgsv(tra,a%is_lower(),a%is_unit(),a%get_nrows(),&
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
& x,y,info)
if (info /= 0) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
if (alpha == done) then
! do nothing
else if (alpha == -done) then
do i = 1, m
y(i) = -y(i)
end do
else
do i = 1, m
y(i) = alpha*y(i)
end do
end if
else
allocate(tmp(m), stat=info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
endif
call inner_elgsv(tra,a%is_lower(),a%is_unit(),a%get_nrows(),&
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
& x,tmp,info)
if (info == 0) &
& call psb_geaxpby(m,alpha,tmp,beta,y,info)
if (info /= 0) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
contains
subroutine inner_elgsv(tra,lower,unit,n,nc,irn,idiag,ja,ldj,val,ldv,x,y,info)
implicit none
logical, intent(in) :: tra,lower,unit
integer, intent(in) :: n,nc,ldj,ldv
integer, intent(in) :: irn(*),idiag(*), ja(ldj,*)
real(psb_dpk_), intent(in) :: val(ldv,*)
real(psb_dpk_), intent(in) :: x(*)
real(psb_dpk_), intent(out) :: y(*)
integer, intent(out) :: info
integer :: i,j,k,m, ir, jc
real(psb_dpk_) :: acc
!
! The only error condition here is if
! the matrix is non-unit and some idiag value is illegal.
!
info = 0
if (.not.tra) then
if (lower) then
if (unit) then
do i=1, n
acc = dzero
do j=1,irn(i)
acc = acc + val(i,j)*y(ja(i,j))
end do
y(i) = x(i) - acc
end do
else if (.not.unit) then
do i=1, n
acc = dzero
do j=1,idiag(i)-1
acc = acc + val(i,j)*y(ja(i,j))
end do
if (idiag(i) <= 0) then
info = -1
return
endif
y(i) = (x(i) - acc)/val(i,idiag(i))
end do
end if
else if (.not.lower) then
if (unit) then
do i=n, 1, -1
acc = dzero
do j=1,irn(i)
acc = acc + val(i,j)*y(ja(i,j))
end do
y(i) = x(i) - acc
end do
else if (.not.unit) then
do i=n, 1, -1
acc = dzero
do j=idiag(i)+1, irn(i)
acc = acc + val(i,j)*y(ja(i,j))
end do
if (idiag(i) <= 0) then
info = -1
return
endif
y(i) = (x(i) - acc)/val(i,idiag(i))
end do
end if
end if
else if (tra) then
do i=1, n
y(i) = x(i)
end do
if (lower) then
if (unit) then
do i=n, 1, -1
acc = y(i)
do j=1,irn(i)
jc = ja(i,j)
y(jc) = y(jc) - val(i,j)*acc
end do
end do
else if (.not.unit) then
do i=n, 1, -1
if (idiag(i) <= 0) then
info = -1
return
endif
y(i) = y(i)/val(i,idiag(i))
acc = y(i)
do j=1,idiag(i)
jc = ja(i,j)
y(jc) = y(jc) - val(i,j)*acc
end do
end do
end if
else if (.not.lower) then
if (unit) then
do i=1, n
acc = y(i)
do j=1, irn(i)
jc = ja(i,j)
y(jc) = y(jc) - val(i,j)*acc
end do
end do
else if (.not.unit) then
do i=1, n
if (idiag(i) <= 0) then
info = -1
return
endif
y(i) = y(i)/val(i,idiag(i))
acc = y(i)
do j=idiag(i)+1, irn(i)
jc = ja(i,j)
y(jc) = y(jc) - val(i,j)*acc
end do
end do
end if
end if
end if
end subroutine inner_elgsv
end subroutine psb_d_elg_cssv
subroutine psb_d_elg_cssm(alpha,a,x,beta,y,info,trans)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_cssm
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:,:)
real(psb_dpk_), intent(inout) :: y(:,:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc, nxy
real(psb_dpk_), allocatable :: tmp(:,:), acc(:)
logical :: tra
Integer :: err_act
character(len=20) :: name='d_elg_cssm'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
m = a%get_nrows()
if (.not. (a%is_triangle())) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
if (size(x,1)<m) then
info = 36
call psb_errpush(info,name,i_err=(/3,m,0,0,0/))
goto 9999
end if
if (size(y,1)<m) then
info = 36
call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
goto 9999
end if
nxy = min(size(x,2),size(y,2))
if (alpha == dzero) then
if (beta == dzero) then
do i = 1, m
y(i,:) = dzero
enddo
else
do i = 1, m
y(i,:) = beta*y(i,:)
end do
endif
return
end if
if (beta == dzero) then
allocate(acc(nxy), stat=info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
endif
call inner_elgsm(tra,a%is_lower(),a%is_unit(),a%get_nrows(),nxy,&
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
& x,size(x,1),y,size(y,1),acc,info)
if (info /= 0) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
if (alpha == done) then
! do nothing
else if (alpha == -done) then
do i = 1, m
y(i,:) = -y(i,:)
end do
else
do i = 1, m
y(i,:) = alpha*y(i,:)
end do
end if
else
allocate(tmp(m,nxy),acc(nxy), stat=info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
endif
call inner_elgsm(tra,a%is_lower(),a%is_unit(),a%get_nrows(),nxy,&
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
& x,size(x,1),tmp,size(tmp,1),acc,info)
if (info == 0) &
& call psb_geaxpby(m,nxy,alpha,tmp,beta,y,info)
if (info /= 0) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
contains
subroutine inner_elgsm(tra,lower,unit,n,nc,nxy,irn,idiag,ja,ldj,val,ldv,&
& x,ldx,y,ldy,acc,info)
implicit none
logical, intent(in) :: tra,lower,unit
integer, intent(in) :: n,nc,ldj,ldv,nxy,ldx,ldy
integer, intent(in) :: irn(*),idiag(*), ja(ldj,*)
real(psb_dpk_), intent(in) :: val(ldv,*)
real(psb_dpk_), intent(in) :: x(ldx,nxy)
real(psb_dpk_), intent(out) :: y(ldy,nxy), acc(nxy)
integer, intent(out) :: info
integer :: i,j,k,m, ir, jc
!
! The only error condition here is if
! the matrix is non-unit and some idiag value is illegal.
!
info = 0
if (.not.tra) then
if (lower) then
if (unit) then
do i=1, n
acc = dzero
do j=1,irn(i)
acc = acc + val(i,j)*y(ja(i,j),:)
end do
y(i,:) = x(i,:) - acc
end do
else if (.not.unit) then
do i=1, n
acc = dzero
do j=1,idiag(i)-1
acc = acc + val(i,j)*y(ja(i,j),:)
end do
if (idiag(i) <= 0) then
info = -1
return
endif
y(i,:) = (x(i,:) - acc)/val(i,idiag(i))
end do
end if
else if (.not.lower) then
if (unit) then
do i=n, 1, -1
acc = dzero
do j=1,irn(i)
acc = acc + val(i,j)*y(ja(i,j),:)
end do
y(i,:) = x(i,:) - acc
end do
else if (.not.unit) then
do i=n, 1, -1
acc = dzero
do j=idiag(i)+1, irn(i)
acc = acc + val(i,j)*y(ja(i,j),:)
end do
if (idiag(i) <= 0) then
info = -1
return
endif
y(i,:) = (x(i,:) - acc)/val(i,idiag(i))
end do
end if
end if
else if (tra) then
do i=1, n
y(i,:) = x(i,:)
end do
if (lower) then
if (unit) then
do i=n, 1, -1
acc = y(i,:)
do j=1,irn(i)
jc = ja(i,j)
y(jc,:) = y(jc,:) - val(i,j)*acc
end do
end do
else if (.not.unit) then
do i=n, 1, -1
if (idiag(i) <= 0) then
info = -1
return
endif
y(i,:) = y(i,:)/val(i,idiag(i))
acc = y(i,:)
do j=1,idiag(i)
jc = ja(i,j)
y(jc,:) = y(jc,:) - val(i,j)*acc
end do
end do
end if
else if (.not.lower) then
if (unit) then
do i=1, n
acc = y(i,:)
do j=1, irn(i)
jc = ja(i,j)
y(jc,:) = y(jc,:) - val(i,j)*acc
end do
end do
else if (.not.unit) then
do i=1, n
if (idiag(i) <= 0) then
info = -1
return
endif
y(i,:) = y(i,:)/val(i,idiag(i))
acc = y(i,:)
do j=idiag(i)+1, irn(i)
jc = ja(i,j)
y(jc,:) = y(jc,:) - val(i,j)*acc
end do
end do
end if
end if
end if
end subroutine inner_elgsm
end subroutine psb_d_elg_cssm
function psb_d_elg_csnmi(a) result(res)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csnmi
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_) :: res
integer :: i,j,k,m,n, nr, ir, jc, nc
real(psb_dpk_) :: acc
logical :: tra
Integer :: err_act
character(len=20) :: name='d_csnmi'
logical, parameter :: debug=.false.
res = dzero
do i = 1, a%get_nrows()
acc = sum(abs(a%val(i,:)))
res = max(res,acc)
end do
end function psb_d_elg_csnmi
function psb_d_elg_csnm1(a) result(res)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csnm1
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_) :: res
integer :: i,j,k,m,n, nnz, ir, jc, nc, info
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
Integer :: err_act
character(len=20) :: name='d_elg_csnm1'
logical, parameter :: debug=.false.
res = -done
nnz = a%get_nzeros()
m = a%get_nrows()
n = a%get_ncols()
allocate(vt(n),stat=info)
if (info /= 0) return
vt(:) = dzero
do i=1, m
do j=1,a%irn(i)
k = a%ja(i,j)
vt(k) = vt(k) + abs(a%val(i,j))
end do
end do
res = maxval(vt(1:n))
deallocate(vt,stat=info)
return
end function psb_d_elg_csnm1
subroutine psb_d_elg_rowsum(d,a)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_rowsum
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
Integer :: err_act, info, int_err(5)
character(len=20) :: name='rowsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
m = a%get_nrows()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
int_err(1) = 1
int_err(2) = size(d)
int_err(3) = m
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
do i = 1, a%get_nrows()
d(i) = dzero
do j=1,a%irn(i)
d(i) = d(i) + (a%val(i,j))
end do
end do
return
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_rowsum
subroutine psb_d_elg_arwsum(d,a)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_arwsum
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
Integer :: err_act, info, int_err(5)
character(len=20) :: name='rowsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
m = a%get_nrows()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
int_err(1) = 1
int_err(2) = size(d)
int_err(3) = m
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
do i = 1, a%get_nrows()
d(i) = dzero
do j=1,a%irn(i)
d(i) = d(i) + abs(a%val(i,j))
end do
end do
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_arwsum
subroutine psb_d_elg_colsum(d,a)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_colsum
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
Integer :: err_act, info, int_err(5)
character(len=20) :: name='colsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
m = a%get_nrows()
n = a%get_ncols()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
int_err(1) = 1
int_err(2) = size(d)
int_err(3) = n
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
d = dzero
do i=1, m
do j=1,a%irn(i)
k = a%ja(i,j)
d(k) = d(k) + (a%val(i,j))
end do
end do
return
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_colsum
subroutine psb_d_elg_aclsum(d,a)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_aclsum
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
Integer :: err_act, info, int_err(5)
character(len=20) :: name='aclsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
m = a%get_nrows()
n = a%get_ncols()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
int_err(1) = 1
int_err(2) = size(d)
int_err(3) = n
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
d = dzero
do i=1, m
do j=1,a%irn(i)
k = a%ja(i,j)
d(k) = d(k) + abs(a%val(i,j))
end do
end do
return
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_aclsum
subroutine psb_d_elg_get_diag(a,d,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_get_diag
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer, intent(out) :: info
Integer :: err_act, mnm, i, j, k
character(len=20) :: name='get_diag'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
mnm = min(a%get_nrows(),a%get_ncols())
if (size(d) < mnm) then
info=psb_err_input_asize_invalid_i_
call psb_errpush(info,name,i_err=(/2,size(d),0,0,0/))
goto 9999
end if
if (a%is_triangle().and.a%is_unit()) then
d(1:mnm) = done
else
do i=1, mnm
if (1<=a%idiag(i).and.(a%idiag(i)<=size(a%ja,2))) &
& d(i) = a%val(i,a%idiag(i))
end do
end if
do i=mnm+1,size(d)
d(i) = dzero
end do
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_get_diag
subroutine psb_d_elg_scal(d,a,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_scal
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: d(:)
integer, intent(out) :: info
Integer :: err_act,mnm, i, j, m
character(len=20) :: name='scal'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
m = a%get_nrows()
if (size(d) < m) then
info=psb_err_input_asize_invalid_i_
call psb_errpush(info,name,i_err=(/2,size(d),0,0,0/))
goto 9999
end if
do i=1, m
a%val(i,:) = a%val(i,:) * d(i)
enddo
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_scal
subroutine psb_d_elg_scals(d,a,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_scals
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: d
integer, intent(out) :: info
Integer :: err_act,mnm, i, j, m
character(len=20) :: name='scal'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
a%val(:,:) = a%val(:,:) * d
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_scals
! == ===================================
!
!
!
! Data management
!
!
!
!
!
! == ===================================
subroutine psb_d_elg_reallocate_nz(nz,a)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_reallocate_nz
implicit none
integer, intent(in) :: nz
class(psb_d_elg_sparse_mat), intent(inout) :: a
integer :: m, nzrm
Integer :: err_act, info
character(len=20) :: name='d_elg_reallocate_nz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
!
! What should this really do???
!
m = a%get_nrows()
nzrm = (nz+m-1)/m
call psb_realloc(m,nzrm,a%ja,info)
if (info == psb_success_) call psb_realloc(m,nzrm,a%val,info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_reallocate_nz
subroutine psb_d_elg_mold(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_mold
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
class(psb_d_base_sparse_mat), intent(out), allocatable :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='reallocate_nz'
logical, parameter :: debug=.false.
call psb_get_erraction(err_act)
allocate(psb_d_elg_sparse_mat :: b, stat=info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info, name)
goto 9999
end if
return
9999 continue
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine psb_d_elg_mold
subroutine psb_d_elg_allocate_mnnz(m,n,a,nz)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_allocate_mnnz
implicit none
integer, intent(in) :: m,n
class(psb_d_elg_sparse_mat), intent(inout) :: a
integer, intent(in), optional :: nz
Integer :: err_act, info, nz_
character(len=20) :: name='allocate_mnz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (m < 0) then
info = psb_err_iarg_neg_
call psb_errpush(info,name,i_err=(/1,0,0,0,0/))
goto 9999
endif
if (n < 0) then
info = psb_err_iarg_neg_
call psb_errpush(info,name,i_err=(/2,0,0,0,0/))
goto 9999
endif
if (present(nz)) then
nz_ = (nz + m -1 )/m
else
nz_ = (max(7*m,7*n,1)+m-1)/m
end if
if (nz_ < 0) then
info = psb_err_iarg_neg_
call psb_errpush(info,name,i_err=(/3,0,0,0,0/))
goto 9999
endif
if (info == psb_success_) call psb_realloc(m,a%irn,info)
if (info == psb_success_) call psb_realloc(m,a%idiag,info)
if (info == psb_success_) call psb_realloc(m,nz_,a%ja,info)
if (info == psb_success_) call psb_realloc(m,nz_,a%val,info)
if (info == psb_success_) then
a%irn = 0
a%idiag = 0
call a%set_nrows(m)
call a%set_ncols(n)
call a%set_bld()
call a%set_triangle(.false.)
call a%set_unit(.false.)
call a%set_dupl(psb_dupl_def_)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_allocate_mnnz
subroutine psb_d_elg_csgetptn(imin,imax,a,nz,ia,ja,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csgetptn
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
integer, intent(in) :: imin,imax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
logical :: append_, rscale_, cscale_
integer :: nzin_, jmin_, jmax_, err_act, i
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (present(jmin)) then
jmin_ = jmin
else
jmin_ = 1
endif
if (present(jmax)) then
jmax_ = jmax
else
jmax_ = a%get_ncols()
endif
if ((imax<imin).or.(jmax_<jmin_)) then
nz = 0
return
end if
if (present(append)) then
append_=append
else
append_=.false.
endif
if ((append_).and.(present(nzin))) then
nzin_ = nzin
else
nzin_ = 0
endif
if (present(rscale)) then
rscale_ = rscale
else
rscale_ = .false.
endif
if (present(cscale)) then
cscale_ = cscale
else
cscale_ = .false.
endif
if ((rscale_.or.cscale_).and.(present(iren))) then
info = psb_err_many_optional_arg_
call psb_errpush(info,name,a_err='iren (rscale.or.cscale)')
goto 9999
end if
call elg_getptn(imin,imax,jmin_,jmax_,a,nz,ia,ja,nzin_,append_,info,iren)
if (rscale_) then
do i=nzin_+1, nzin_+nz
ia(i) = ia(i) - imin + 1
end do
end if
if (cscale_) then
do i=nzin_+1, nzin_+nz
ja(i) = ja(i) - jmin_ + 1
end do
end if
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
contains
subroutine elg_getptn(imin,imax,jmin,jmax,a,nz,ia,ja,nzin,append,info,&
& iren)
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
integer :: imin,imax,jmin,jmax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
integer, intent(in) :: nzin
logical, intent(in) :: append
integer :: info
integer, optional :: iren(:)
integer :: nzin_, nza, idx,i,j,k, nzt, irw, lrw
integer :: debug_level, debug_unit
character(len=20) :: name='elg_getptn'
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
nza = a%get_nzeros()
irw = imin
lrw = min(imax,a%get_nrows())
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
nzt = sum(a%irn(irw:lrw))
nz = 0
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info /= psb_success_) return
if (present(iren)) then
do i=irw, lrw
do j=1,a%irn(i)
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
nzin_ = nzin_ + 1
nz = nz + 1
ia(nzin_) = iren(i)
ja(nzin_) = iren(a%ja(i,j))
end if
enddo
end do
else
do i=irw, lrw
do j=1,a%irn(i)
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
nzin_ = nzin_ + 1
nz = nz + 1
ia(nzin_) = (i)
ja(nzin_) = (a%ja(i,j))
end if
enddo
end do
end if
end subroutine elg_getptn
end subroutine psb_d_elg_csgetptn
subroutine psb_d_elg_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csgetrow
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
integer, intent(in) :: imin,imax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
real(psb_dpk_), allocatable, intent(inout) :: val(:)
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
logical :: append_, rscale_, cscale_
integer :: nzin_, jmin_, jmax_, err_act, i
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (present(jmin)) then
jmin_ = jmin
else
jmin_ = 1
endif
if (present(jmax)) then
jmax_ = jmax
else
jmax_ = a%get_ncols()
endif
if ((imax<imin).or.(jmax_<jmin_)) then
nz = 0
return
end if
if (present(append)) then
append_=append
else
append_=.false.
endif
if ((append_).and.(present(nzin))) then
nzin_ = nzin
else
nzin_ = 0
endif
if (present(rscale)) then
rscale_ = rscale
else
rscale_ = .false.
endif
if (present(cscale)) then
cscale_ = cscale
else
cscale_ = .false.
endif
if ((rscale_.or.cscale_).and.(present(iren))) then
info = psb_err_many_optional_arg_
call psb_errpush(info,name,a_err='iren (rscale.or.cscale)')
goto 9999
end if
call elg_getrow(imin,imax,jmin_,jmax_,a,nz,ia,ja,val,nzin_,append_,info,&
& iren)
if (rscale_) then
do i=nzin_+1, nzin_+nz
ia(i) = ia(i) - imin + 1
end do
end if
if (cscale_) then
do i=nzin_+1, nzin_+nz
ja(i) = ja(i) - jmin_ + 1
end do
end if
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
contains
subroutine elg_getrow(imin,imax,jmin,jmax,a,nz,ia,ja,val,nzin,append,info,&
& iren)
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
integer :: imin,imax,jmin,jmax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
real(psb_dpk_), allocatable, intent(inout) :: val(:)
integer, intent(in) :: nzin
logical, intent(in) :: append
integer :: info
integer, optional :: iren(:)
integer :: nzin_, nza, idx,i,j,k, nzt, irw, lrw
integer :: debug_level, debug_unit
character(len=20) :: name='coo_getrow'
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
nza = a%get_nzeros()
irw = imin
lrw = min(imax,a%get_nrows())
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
nzt = sum(a%irn(irw:lrw))
nz = 0
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info)
if (info /= psb_success_) return
if (present(iren)) then
do i=irw, lrw
do j=1,a%irn(i)
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
nzin_ = nzin_ + 1
nz = nz + 1
val(nzin_) = a%val(i,j)
ia(nzin_) = iren(i)
ja(nzin_) = iren(a%ja(i,j))
end if
enddo
end do
else
do i=irw, lrw
do j=1,a%irn(i)
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
nzin_ = nzin_ + 1
nz = nz + 1
val(nzin_) = a%val(i,j)
ia(nzin_) = (i)
ja(nzin_) = (a%ja(i,j))
end if
enddo
end do
end if
end subroutine elg_getrow
end subroutine psb_d_elg_csgetrow
subroutine psb_d_elg_csgetblk(imin,imax,a,b,info,&
& jmin,jmax,iren,append,rscale,cscale)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csgetblk
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer, intent(in) :: imin,imax
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax
logical, intent(in), optional :: rscale,cscale
Integer :: err_act, nzin, nzout
character(len=20) :: name='csget'
logical :: append_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (present(append)) then
append_ = append
else
append_ = .false.
endif
if (append_) then
nzin = a%get_nzeros()
else
nzin = 0
endif
call a%csget(imin,imax,nzout,b%ia,b%ja,b%val,info,&
& jmin=jmin, jmax=jmax, iren=iren, append=append_, &
& nzin=nzin, rscale=rscale, cscale=cscale)
if (info /= psb_success_) goto 9999
call b%set_nzeros(nzin+nzout)
call b%fix(info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_csgetblk
subroutine psb_d_elg_csput(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csput
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: val(:)
integer, intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
integer, intent(out) :: info
integer, intent(in), optional :: gtl(:)
Integer :: err_act
character(len=20) :: name='d_elg_csput'
logical, parameter :: debug=.false.
integer :: nza, i,j,k, nzl, isza, int_err(5)
call psb_erractionsave(err_act)
info = psb_success_
if (nz <= 0) then
info = psb_err_iarg_neg_
int_err(1)=1
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(ia) < nz) then
info = psb_err_input_asize_invalid_i_
int_err(1)=2
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(ja) < nz) then
info = psb_err_input_asize_invalid_i_
int_err(1)=3
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(val) < nz) then
info = psb_err_input_asize_invalid_i_
int_err(1)=4
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (nz == 0) return
nza = a%get_nzeros()
if (a%is_bld()) then
! Build phase should only ever be in COO
info = psb_err_invalid_mat_state_
else if (a%is_upd()) then
call psb_d_elg_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info,gtl)
if (info /= psb_success_) then
info = psb_err_invalid_mat_state_
end if
else
! State is wrong.
info = psb_err_invalid_mat_state_
end if
if (info /= psb_success_) then
call psb_errpush(info,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
contains
subroutine psb_d_elg_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info,gtl)
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax
integer, intent(in) :: ia(:),ja(:)
real(psb_dpk_), intent(in) :: val(:)
integer, intent(out) :: info
integer, intent(in), optional :: gtl(:)
integer :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nr,nc,nnz,dupl,ng
integer :: debug_level, debug_unit
character(len=20) :: name='d_elg_srch_upd'
info = psb_success_
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
dupl = a%get_dupl()
if (.not.a%is_sorted()) then
info = -4
return
end if
ilr = -1
ilc = -1
nnz = a%get_nzeros()
nr = a%get_nrows()
nc = a%get_ncols()
if (present(gtl)) then
ng = size(gtl)
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
! Overwrite.
! Cannot test for error, should have been caught earlier.
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
ir = gtl(ir)
ic = gtl(ic)
if ((ir > 0).and.(ir <= nr)) then
nc = a%irn(ir)
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
if (ip>0) then
a%val(i,ip) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',nc,&
& ' : ',a%ja(i,1:nc)
info = i
return
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarding row that does not belong to us.'
end if
end if
end do
case(psb_dupl_add_)
! Add
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
ir = gtl(ir)
ic = gtl(ic)
if ((ir > 0).and.(ir <= nr)) then
nc = a%irn(ir)
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
if (ip>0) then
a%val(i,ip) = a%val(i,ip) + val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',nc,&
& ' : ',a%ja(i,1:nc)
info = i
return
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarding row that does not belong to us.'
end if
end if
end do
case default
info = -3
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Duplicate handling: ',dupl
end select
else
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
! Overwrite.
! Cannot test for error, should have been caught earlier.
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= nr)) then
nc = a%irn(ir)
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
if (ip>0) then
a%val(i,ip) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',nc,&
& ' : ',a%ja(i,1:nc)
info = i
return
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarding row that does not belong to us.'
end if
end do
case(psb_dupl_add_)
! Add
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= nr)) then
nc = a%irn(ir)
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
if (ip>0) then
a%val(i,ip) = a%val(i,ip) + val(i)
else
info = i
return
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarding row that does not belong to us.'
end if
end do
case default
info = -3
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Duplicate handling: ',dupl
end select
end if
end subroutine psb_d_elg_srch_upd
end subroutine psb_d_elg_csput
subroutine psb_d_elg_reinit(a,clear)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_reinit
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
logical, intent(in), optional :: clear
Integer :: err_act, info
character(len=20) :: name='reinit'
logical :: clear_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (present(clear)) then
clear_ = clear
else
clear_ = .true.
end if
if (a%is_bld() .or. a%is_upd()) then
! do nothing
return
else if (a%is_asb()) then
if (clear_) a%val(:,:) = dzero
call a%set_upd()
else
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_reinit
subroutine psb_d_elg_trim(a)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_trim
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
Integer :: err_act, info, nz, m, nzm
character(len=20) :: name='trim'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
m = a%get_nrows()
nzm = maxval(a%irn(1:m))
call psb_realloc(m,a%irn,info)
if (info == psb_success_) call psb_realloc(m,a%idiag,info)
if (info == psb_success_) call psb_realloc(m,nzm,a%ja,info)
if (info == psb_success_) call psb_realloc(m,nzm,a%val,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_elg_trim
subroutine psb_d_elg_print(iout,a,iv,eirs,eics,head,ivr,ivc)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_print
implicit none
integer, intent(in) :: iout
class(psb_d_elg_sparse_mat), intent(in) :: a
integer, intent(in), optional :: iv(:)
integer, intent(in), optional :: eirs,eics
character(len=*), optional :: head
integer, intent(in), optional :: ivr(:), ivc(:)
Integer :: err_act
character(len=20) :: name='d_elg_print'
logical, parameter :: debug=.false.
character(len=80) :: frmtv
integer :: irs,ics,i,j, nmx, ni, nr, nc, nz
if (present(eirs)) then
irs = eirs
else
irs = 0
endif
if (present(eics)) then
ics = eics
else
ics = 0
endif
if (present(head)) then
write(iout,'(a)') '%%MatrixMarket matrix coordinate real general'
write(iout,'(a,a)') '% ',head
write(iout,'(a)') '%'
write(iout,'(a,a)') '% COO'
endif
nr = a%get_nrows()
nc = a%get_ncols()
nz = a%get_nzeros()
nmx = max(nr,nc,1)
ni = floor(log10(1.0*nmx)) + 1
write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))'
write(iout,*) nr, nc, nz
if(present(iv)) then
do i=1, nr
do j=1,a%irn(i)
write(iout,frmtv) iv(i),iv(a%ja(i,j)),a%val(i,j)
end do
enddo
else
if (present(ivr).and..not.present(ivc)) then
do i=1, nr
do j=1,a%irn(i)
write(iout,frmtv) ivr(i),(a%ja(i,j)),a%val(i,j)
end do
enddo
else if (present(ivr).and.present(ivc)) then
do i=1, nr
do j=1,a%irn(i)
write(iout,frmtv) ivr(i),ivc(a%ja(i,j)),a%val(i,j)
end do
enddo
else if (.not.present(ivr).and.present(ivc)) then
do i=1, nr
do j=1,a%irn(i)
write(iout,frmtv) (i),ivc(a%ja(i,j)),a%val(i,j)
end do
enddo
else if (.not.present(ivr).and..not.present(ivc)) then
do i=1, nr
do j=1,a%irn(i)
write(iout,frmtv) (i),(a%ja(i,j)),a%val(i,j)
end do
enddo
endif
endif
end subroutine psb_d_elg_print
subroutine psb_d_cp_elg_from_coo(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_from_coo
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
class(psb_d_coo_sparse_mat), intent(in) :: b
integer, intent(out) :: info
type(psb_d_coo_sparse_mat) :: tmp
integer, allocatable :: itemp(:)
!locals
logical :: rwshr_
Integer :: nza, nr, i,j,irw, idl,err_act, nc
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
! This is to have fix_coo called behind the scenes
call b%cp_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end subroutine psb_d_cp_elg_from_coo
subroutine psb_d_cp_elg_to_coo(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_to_coo
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
integer, allocatable :: itemp(:)
!locals
logical :: rwshr_
Integer :: nza, nr, nc,i,j,k,irw, idl,err_act
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
nr = a%get_nrows()
nc = a%get_ncols()
nza = a%get_nzeros()
call b%allocate(nr,nc,nza)
call b%psb_d_base_sparse_mat%cp_from(a%psb_d_base_sparse_mat)
k=0
do i=1, nr
do j=1,a%irn(i)
k = k + 1
b%ia(k) = i
b%ja(k) = a%ja(i,j)
b%val(k) = a%val(i,j)
end do
end do
call b%set_nzeros(a%get_nzeros())
call b%fix(info)
end subroutine psb_d_cp_elg_to_coo
subroutine psb_d_mv_elg_to_coo(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_to_coo
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
integer, allocatable :: itemp(:)
!locals
logical :: rwshr_
Integer :: nza, nr, nc,i,j,k,irw, idl,err_act
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
nr = a%get_nrows()
nc = a%get_ncols()
nza = a%get_nzeros()
! Taking a path slightly slower but with less memory footprint
deallocate(a%idiag)
call b%psb_d_base_sparse_mat%cp_from(a%psb_d_base_sparse_mat)
call psb_realloc(nza,b%ia,info)
if (info == 0) call psb_realloc(nza,b%ja,info)
if (info /= 0) goto 9999
k=0
do i=1, nr
do j=1,a%irn(i)
k = k + 1
b%ia(k) = i
b%ja(k) = a%ja(i,j)
end do
end do
deallocate(a%ja, stat=info)
if (info == 0) call psb_realloc(nza,b%val,info)
if (info /= 0) goto 9999
k=0
do i=1, nr
do j=1,a%irn(i)
k = k + 1
b%val(k) = a%val(i,j)
end do
end do
call a%free()
call b%set_nzeros(nza)
call b%fix(info)
return
9999 continue
info = psb_err_alloc_dealloc_
return
end subroutine psb_d_mv_elg_to_coo
subroutine psb_d_mv_elg_from_coo(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_from_coo
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
integer, allocatable :: itemp(:)
!locals
logical :: rwshr_
Integer :: nza, nr, i,j,k, idl,err_act, nc, nzm, ir, ic
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
call b%fix(info)
if (info /= psb_success_) return
nr = b%get_nrows()
nc = b%get_ncols()
nza = b%get_nzeros()
if (b%is_sorted()) then
! If it is sorted then we can lessen memory impact
call a%psb_d_base_sparse_mat%mv_from(b%psb_d_base_sparse_mat)
! First compute the number of nonzeros in each row.
call psb_realloc(nr,a%irn,info)
if (info /= 0) goto 9999
a%irn = 0
do i=1, nza
a%irn(b%ia(i)) = a%irn(b%ia(i)) + 1
end do
nzm = 0
do i=1, nr
nzm = max(nzm,a%irn(i))
a%irn(i) = 0
end do
! Second: copy the column indices.
call psb_realloc(nr,a%idiag,info)
if (info == 0) call psb_realloc(nr,nzm,a%ja,info)
if (info /= 0) goto 9999
do i=1, nza
ir = b%ia(i)
ic = b%ja(i)
j = a%irn(ir) + 1
a%ja(ir,j) = ic
a%irn(ir) = j
end do
! Third copy the other stuff
deallocate(b%ia,b%ja,stat=info)
if (info == 0) call psb_realloc(nr,a%idiag,info)
if (info == 0) call psb_realloc(nr,nzm,a%val,info)
if (info /= 0) goto 9999
k = 0
do i=1, nr
a%idiag(i) = 0
do j=1, a%irn(i)
k = k + 1
a%val(i,j) = b%val(k)
if (i==a%ja(i,j)) a%idiag(i)=j
end do
do j=a%irn(i)+1, nzm
a%ja(i,j) = i
a%val(i,j) = dzero
end do
end do
else
! If b is not sorted, the only way is to copy.
call a%cp_from_coo(b,info)
if (info /= 0) goto 9999
end if
call b%free()
return
9999 continue
info = psb_err_alloc_dealloc_
return
end subroutine psb_d_mv_elg_from_coo
subroutine psb_d_mv_elg_to_fmt(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_to_fmt
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
class(psb_d_base_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
logical :: rwshr_
Integer :: nza, nr, i,j,irw, idl,err_act, nc
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_d_coo_sparse_mat)
call a%mv_to_coo(b,info)
! Need to fix trivial copies!
type is (psb_d_elg_sparse_mat)
call b%psb_d_base_sparse_mat%mv_from(a%psb_d_base_sparse_mat)
call move_alloc(a%irn, b%irn)
call move_alloc(a%idiag, b%idiag)
call move_alloc(a%ja, b%ja)
call move_alloc(a%val, b%val)
call a%free()
class default
call a%mv_to_coo(tmp,info)
if (info == psb_success_) call b%mv_from_coo(tmp,info)
end select
end subroutine psb_d_mv_elg_to_fmt
subroutine psb_d_cp_elg_to_fmt(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_to_fmt
implicit none
class(psb_d_elg_sparse_mat), intent(in) :: a
class(psb_d_base_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
logical :: rwshr_
Integer :: nza, nr, i,j,irw, idl,err_act, nc
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_d_coo_sparse_mat)
call a%cp_to_coo(b,info)
type is (psb_d_elg_sparse_mat)
call b%psb_d_base_sparse_mat%cp_from(a%psb_d_base_sparse_mat)
call psb_safe_cpy( a%idiag, b%idiag , info)
call psb_safe_cpy( a%irn, b%irn , info)
call psb_safe_cpy( a%ja , b%ja , info)
call psb_safe_cpy( a%val, b%val , info)
class default
call a%cp_to_coo(tmp,info)
if (info == psb_success_) call b%mv_from_coo(tmp,info)
end select
end subroutine psb_d_cp_elg_to_fmt
subroutine psb_d_mv_elg_from_fmt(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_from_fmt
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
class(psb_d_base_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
logical :: rwshr_
Integer :: nza, nr, i,j,irw, idl,err_act, nc
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_d_coo_sparse_mat)
call a%mv_from_coo(b,info)
type is (psb_d_elg_sparse_mat)
call a%psb_d_base_sparse_mat%mv_from(b%psb_d_base_sparse_mat)
call move_alloc(b%irn, a%irn)
call move_alloc(b%idiag, a%idiag)
call move_alloc(b%ja, a%ja)
call move_alloc(b%val, a%val)
call b%free()
class default
call b%mv_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end select
end subroutine psb_d_mv_elg_from_fmt
subroutine psb_d_cp_elg_from_fmt(a,b,info)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_from_fmt
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
class(psb_d_base_sparse_mat), intent(in) :: b
integer, intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
logical :: rwshr_
Integer :: nz, nr, i,j,irw, idl,err_act, nc
Integer, Parameter :: maxtry=8
integer :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_d_coo_sparse_mat)
call a%cp_from_coo(b,info)
type is (psb_d_elg_sparse_mat)
call a%psb_d_base_sparse_mat%cp_from(b%psb_d_base_sparse_mat)
call psb_safe_cpy( b%irn, a%irn , info)
call psb_safe_cpy( b%idiag, a%idiag, info)
call psb_safe_cpy( b%ja , a%ja , info)
call psb_safe_cpy( b%val, a%val , info)
class default
call b%cp_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end select
end subroutine psb_d_cp_elg_from_fmt
subroutine psb_d_elg_cp_from(a,b)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_cp_from
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
type(psb_d_elg_sparse_mat), intent(in) :: b
Integer :: err_act, info
character(len=20) :: name='cp_from'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
call a%allocate(b%get_nrows(),b%get_ncols(),b%get_nzeros())
call a%psb_d_base_sparse_mat%cp_from(b%psb_d_base_sparse_mat)
call psb_safe_cpy( b%irn, a%irn , info)
call psb_safe_cpy( b%idiag, a%idiag, info)
call psb_safe_cpy( b%ja , a%ja , info)
call psb_safe_cpy( b%val, a%val , info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine psb_d_elg_cp_from
subroutine psb_d_elg_mv_from(a,b)
use psb_sparse_mod
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_mv_from
implicit none
class(psb_d_elg_sparse_mat), intent(inout) :: a
type(psb_d_elg_sparse_mat), intent(inout) :: b
Integer :: err_act, info
character(len=20) :: name='mv_from'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
call a%psb_d_base_sparse_mat%mv_from(b%psb_d_base_sparse_mat)
call move_alloc(b%idiag, a%idiag)
call move_alloc(b%irn, a%irn)
call move_alloc(b%ja, a%ja)
call move_alloc(b%val, a%val)
call b%free()
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine psb_d_elg_mv_from
#endif