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psblas3/base/serial/impl/psb_d_csc_impl.f90

4732 lines
114 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
! == ===================================
!
!
!
! Computational routines
!
!
!
!
!
!
! == ===================================
subroutine psb_d_csc_csmv(alpha,a,x,beta,y,info,trans)
use psb_error_mod
use psb_string_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csmv
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:)
real(psb_dpk_), intent(inout) :: y(:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc
real(psb_dpk_) :: acc
logical :: tra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_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 (a%is_dev()) call a%sync()
if (size(x,1)<n) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = size(x,1); ierr(3) = n;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1)<m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = size(y,1); ierr(3) =m;
call psb_errpush(info,name,i_err=ierr)
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 (tra) then
if (beta == dzero) then
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = -acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = alpha*acc
end do
end if
else if (beta == done) then
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = y(i) + acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = y(i) -acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = y(i) + alpha*acc
end do
end if
else if (beta == -done) then
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = -y(i) + acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = -y(i) -acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = -y(i) + alpha*acc
end do
end if
else
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = beta*y(i) + acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = beta*y(i) - acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j))
enddo
y(i) = beta*y(i) + alpha*acc
end do
end if
end if
else if (.not.tra) then
if (beta == dzero) then
do i=1, m
y(i) = dzero
end do
else if (beta == done) then
! Do nothing
else if (beta == -done) then
do i=1, m
y(i) = -y(i)
end do
else
do i=1, m
y(i) = beta*y(i)
end do
end if
if (alpha == done) then
do i=1,n
do j=a%icp(i), a%icp(i+1)-1
ir = a%ia(j)
y(ir) = y(ir) + a%val(j)*x(i)
end do
enddo
else if (alpha == -done) then
do i=1,n
do j=a%icp(i), a%icp(i+1)-1
ir = a%ia(j)
y(ir) = y(ir) - a%val(j)*x(i)
end do
enddo
else
do i=1,n
do j=a%icp(i), a%icp(i+1)-1
ir = a%ia(j)
y(ir) = y(ir) + alpha*a%val(j)*x(i)
end do
enddo
end if
endif
if (a%is_unit()) then
do i=1, min(m,n)
y(i) = y(i) + alpha*x(i)
end do
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_csmv
subroutine psb_d_csc_csmm(alpha,a,x,beta,y,info,trans)
use psb_error_mod
use psb_string_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csmm
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:,:)
real(psb_dpk_), intent(inout) :: y(:,:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_), allocatable :: acc(:)
logical :: tra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_csmm'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
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 = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = size(x,1); ierr(3) = n;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1)<m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = size(y,1); ierr(3) =m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_dev()) call a%sync()
nc = min(size(x,2) , size(y,2) )
allocate(acc(nc), stat=info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='allocate')
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 (tra) then
if (beta == dzero) then
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = -acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = alpha*acc
end do
end if
else if (beta == done) then
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = y(i,:) + acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = y(i,:) -acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = y(i,:) + alpha*acc
end do
end if
else if (beta == -done) then
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = -y(i,:) + acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = -y(i,:) -acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = -y(i,:) + alpha*acc
end do
end if
else
if (alpha == done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = beta*y(i,:) + acc
end do
else if (alpha == -done) then
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = beta*y(i,:) - acc
end do
else
do i=1,m
acc = dzero
do j=a%icp(i), a%icp(i+1)-1
acc = acc + a%val(j) * x(a%ia(j),:)
enddo
y(i,:) = beta*y(i,:) + alpha*acc
end do
end if
end if
else if (.not.tra) then
if (beta == dzero) then
do i=1, m
y(i,:) = dzero
end do
else if (beta == done) then
! Do nothing
else if (beta == -done) then
do i=1, m
y(i,:) = -y(i,:)
end do
else
do i=1, m
y(i,:) = beta*y(i,:)
end do
end if
if (alpha == done) then
do i=1,n
do j=a%icp(i), a%icp(i+1)-1
ir = a%ia(j)
y(ir,:) = y(ir,:) + a%val(j)*x(i,:)
end do
enddo
else if (alpha == -done) then
do i=1,n
do j=a%icp(i), a%icp(i+1)-1
ir = a%ia(j)
y(ir,:) = y(ir,:) - a%val(j)*x(i,:)
end do
enddo
else
do i=1,n
do j=a%icp(i), a%icp(i+1)-1
ir = a%ia(j)
y(ir,:) = y(ir,:) + alpha*a%val(j)*x(i,:)
end do
enddo
end if
endif
if (a%is_unit()) then
do i=1, min(m,n)
y(i,:) = y(i,:) + alpha*x(i,:)
end do
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_csmm
subroutine psb_d_csc_cssv(alpha,a,x,beta,y,info,trans)
use psb_error_mod
use psb_string_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_cssv
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:)
real(psb_dpk_), intent(inout) :: y(:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m, nnz, ir, jc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: tmp(:)
logical :: tra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_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
if (a%is_dev()) call a%sync()
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 = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = size(x,1); ierr(3) = m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1)<m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = size(y,1); ierr(3) =m;
call psb_errpush(info,name,i_err=ierr)
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_cscsv(tra,a%is_lower(),a%is_unit(),a%get_nrows(),&
& a%icp,a%ia,a%val,x,y)
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
return
end if
tmp(1:m) = x(1:m)
call inner_cscsv(tra,a%is_lower(),a%is_unit(),a%get_nrows(),&
& a%icp,a%ia,a%val,tmp,y)
do i = 1, m
y(i) = alpha*tmp(i) + beta*y(i)
end do
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine inner_cscsv(tra,lower,unit,n,icp,ia,val,x,y)
implicit none
logical, intent(in) :: tra,lower,unit
integer(psb_ipk_), intent(in) :: icp(*), ia(*),n
real(psb_dpk_), intent(in) :: val(*)
real(psb_dpk_), intent(in) :: x(*)
real(psb_dpk_), intent(out) :: y(*)
integer(psb_ipk_) :: i,j,k,m, ir, jc
real(psb_dpk_) :: acc
if (tra) then
if (lower) then
if (unit) then
do i=n, 1, -1
acc = dzero
do j=icp(i), icp(i+1)-1
acc = acc + val(j)*y(ia(j))
end do
y(i) = x(i) - acc
end do
else if (.not.unit) then
do i=n, 1, -1
acc = dzero
do j=icp(i)+1, icp(i+1)-1
acc = acc + val(j)*y(ia(j))
end do
y(i) = (x(i) - acc)/val(icp(i))
end do
end if
else if (.not.lower) then
if (unit) then
do i=1, n
acc = dzero
do j=icp(i), icp(i+1)-1
acc = acc + val(j)*y(ia(j))
end do
y(i) = x(i) - acc
end do
else if (.not.unit) then
do i=1, n
acc = dzero
do j=icp(i), icp(i+1)-2
acc = acc + val(j)*y(ia(j))
end do
y(i) = (x(i) - acc)/val(icp(i+1)-1)
end do
end if
end if
else if (.not.tra) then
do i=1, n
y(i) = x(i)
end do
if (lower) then
if (unit) then
do i=1, n
acc = y(i)
do j=icp(i), icp(i+1)-1
jc = ia(j)
y(jc) = y(jc) - val(j)*acc
end do
end do
else if (.not.unit) then
do i=1, n
y(i) = y(i)/val(icp(i))
acc = y(i)
do j=icp(i)+1, icp(i+1)-1
jc = ia(j)
y(jc) = y(jc) - val(j)*acc
end do
end do
end if
else if (.not.lower) then
if (unit) then
do i=n, 1, -1
acc = y(i)
do j=icp(i), icp(i+1)-1
jc = ia(j)
y(jc) = y(jc) - val(j)*acc
end do
end do
else if (.not.unit) then
do i=n, 1, -1
y(i) = y(i)/val(icp(i+1)-1)
acc = y(i)
do j=icp(i), icp(i+1)-2
jc = ia(j)
y(jc) = y(jc) - val(j)*acc
end do
end do
end if
end if
end if
end subroutine inner_cscsv
end subroutine psb_d_csc_cssv
subroutine psb_d_csc_cssm(alpha,a,x,beta,y,info,trans)
use psb_error_mod
use psb_string_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_cssm
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(in) :: alpha, beta, x(:,:)
real(psb_dpk_), intent(inout) :: y(:,:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: tmp(:,:)
logical :: tra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_base_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
if (a%is_dev()) call a%sync()
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
m = a%get_nrows()
if (size(x,1)<m) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = size(x,1); ierr(3) = n;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1)<m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = size(y,1); ierr(3) =m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
nc = min(size(x,2) , size(y,2))
if (.not. (a%is_triangle())) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
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_cscsm(tra,a%is_lower(),a%is_unit(),a%get_nrows(),nc,&
& a%icp,a%ia,a%val,x,size(x,1,kind=psb_ipk_),y,size(y,1,kind=psb_ipk_),info)
do i = 1, m
y(i,1:nc) = alpha*y(i,1:nc)
end do
else
allocate(tmp(m,nc), stat=info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='allocate')
goto 9999
end if
tmp(1:m,:) = x(1:m,1:nc)
call inner_cscsm(tra,a%is_lower(),a%is_unit(),a%get_nrows(),nc,&
& a%icp,a%ia,a%val,tmp,size(tmp,1,kind=psb_ipk_),y,size(y,1,kind=psb_ipk_),info)
do i = 1, m
y(i,1:nc) = alpha*tmp(i,1:nc) + beta*y(i,1:nc)
end do
end if
if(info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='inner_cscsm')
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine inner_cscsm(tra,lower,unit,nr,nc,&
& icp,ia,val,x,ldx,y,ldy,info)
implicit none
logical, intent(in) :: tra,lower,unit
integer(psb_ipk_), intent(in) :: nr,nc,ldx,ldy,icp(*),ia(*)
real(psb_dpk_), intent(in) :: val(*), x(ldx,*)
real(psb_dpk_), intent(out) :: y(ldy,*)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: i,j,k,m, ir, jc
real(psb_dpk_), allocatable :: acc(:)
info = psb_success_
allocate(acc(nc), stat=info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
return
end if
if (tra) then
if (lower) then
if (unit) then
do i=nr, 1, -1
acc = dzero
do j=icp(i), icp(i+1)-1
acc = acc + val(j)*y(ia(j),1:nc)
end do
y(i,1:nc) = x(i,1:nc) - acc
end do
else if (.not.unit) then
do i=nr, 1, -1
acc = dzero
do j=icp(i)+1, icp(i+1)-1
acc = acc + val(j)*y(ia(j),1:nc)
end do
y(i,1:nc) = (x(i,1:nc) - acc)/val(icp(i))
end do
end if
else if (.not.lower) then
if (unit) then
do i=1, nr
acc = dzero
do j=icp(i), icp(i+1)-1
acc = acc + val(j)*y(ia(j),1:nc)
end do
y(i,1:nc) = x(i,1:nc) - acc
end do
else if (.not.unit) then
do i=1, nr
acc = dzero
do j=icp(i), icp(i+1)-2
acc = acc + val(j)*y(ia(j),1:nc)
end do
y(i,1:nc) = (x(i,1:nc) - acc)/val(icp(i+1)-1)
end do
end if
end if
else if (.not.tra) then
do i=1, nr
y(i,1:nc) = x(i,1:nc)
end do
if (lower) then
if (unit) then
do i=1, nr
acc = y(i,1:nc)
do j=icp(i), icp(i+1)-1
jc = ia(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc
end do
end do
else if (.not.unit) then
do i=1, nr
y(i,1:nc) = y(i,1:nc)/val(icp(i))
acc = y(i,1:nc)
do j=icp(i)+1, icp(i+1)-1
jc = ia(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc
end do
end do
end if
else if (.not.lower) then
if (unit) then
do i=nr, 1, -1
acc = y(i,1:nc)
do j=icp(i), icp(i+1)-1
jc = ia(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc
end do
end do
else if (.not.unit) then
do i=nr, 1, -1
y(i,1:nc) = y(i,1:nc)/val(icp(i+1)-1)
acc = y(i,1:nc)
do j=icp(i), icp(i+1)-2
jc = ia(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc
end do
end do
end if
end if
end if
end subroutine inner_cscsm
end subroutine psb_d_csc_cssm
function psb_d_csc_maxval(a) result(res)
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_maxval
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_) :: res
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_maxval'
logical, parameter :: debug=.false.
if (a%is_unit()) then
res = done
else
res = dzero
end if
if (a%is_dev()) call a%sync()
nnz = a%get_nzeros()
if (allocated(a%val)) then
nnz = min(nnz,size(a%val))
res = maxval(abs(a%val(1:nnz)))
end if
end function psb_d_csc_maxval
function psb_d_csc_csnm1(a) result(res)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csnm1
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_) :: res
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc, info
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra, is_unit
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_csnm1'
logical, parameter :: debug=.false.
res = dzero
if (a%is_dev()) call a%sync()
m = a%get_nrows()
n = a%get_ncols()
is_unit = a%is_unit()
do j=1, n
if (is_unit) then
acc = done
else
acc = dzero
end if
do k=a%icp(j),a%icp(j+1)-1
acc = acc + abs(a%val(k))
end do
res = max(res,acc)
end do
return
end function psb_d_csc_csnm1
subroutine psb_d_csc_colsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_colsum
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra, is_unit
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='colsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
is_unit = a%is_unit()
do i = 1, a%get_ncols()
if (is_unit) then
d(i) = done
else
d(i) = dzero
end if
do j=a%icp(i),a%icp(i+1)-1
d(i) = d(i) + (a%val(j))
end do
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_colsum
subroutine psb_d_csc_aclsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_aclsum
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra, is_unit
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='colsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
is_unit = a%is_unit()
do i = 1, a%get_ncols()
if (is_unit) then
d(i) = done
else
d(i) = dzero
end if
do j=a%icp(i),a%icp(i+1)-1
d(i) = d(i) + abs(a%val(j))
end do
end do
if (a%is_unit()) then
do i=1, a%get_ncols()
d(i) = d(i) + done
end do
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_aclsum
subroutine psb_d_csc_rowsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_rowsum
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='rowsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
n = a%get_nrows()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = n
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d = done
else
d = dzero
end if
do i=1, m
do j=a%icp(i),a%icp(i+1)-1
k = a%ia(j)
d(k) = d(k) + (a%val(k))
end do
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_rowsum
subroutine psb_d_csc_arwsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_arwsum
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='arwsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
n = a%get_nrows()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = n
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d = done
else
d = dzero
end if
do i=1, m
do j=a%icp(i),a%icp(i+1)-1
k = a%ia(j)
d(k) = d(k) + abs(a%val(k))
end do
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_arwsum
subroutine psb_d_csc_get_diag(a,d,info)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_get_diag
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act, mnm, i, j, k
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='get_diag'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
mnm = min(a%get_nrows(),a%get_ncols())
if (size(d) < mnm) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d(1:mnm) = done
else
do i=1, mnm
d(i) = dzero
do k=a%icp(i),a%icp(i+1)-1
j=a%ia(k)
if ((j == i) .and.(j <= mnm )) then
d(i) = a%val(k)
endif
enddo
end do
endif
do i=mnm+1,size(d)
d(i) = dzero
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_get_diag
subroutine psb_d_csc_scal(d,a,info,side)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_scal
use psb_string_mod
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: d(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in), optional :: side
integer(psb_ipk_) :: err_act,mnm, i, j, n
type(psb_d_coo_sparse_mat) :: tmp
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='scal'
character :: side_
logical :: left
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
side_ = 'L'
if (present(side)) then
side_ = psb_toupper(side)
end if
if (a%is_unit()) then
call a%make_nonunit()
end if
left = (side_ == 'L')
if (left) then
n = a%get_ncols()
if (size(d) < n) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
do i=1, a%get_nzeros()
a%val(i) = a%val(i) * d(a%ia(i))
enddo
else
n = a%get_nrows()
if (size(d) < n) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
do j=1, n
do i = a%icp(j), a%icp(j+1) -1
a%val(i) = a%val(i) * d(j)
end do
enddo
end if
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_scal
subroutine psb_d_csc_scals(d,a,info)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_scals
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: d
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act,mnm, i, j, m
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='scal'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
if (a%is_unit()) then
call a%make_nonunit()
end if
do i=1,a%get_nzeros()
a%val(i) = a%val(i) * d
enddo
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_scals
! == ===================================
!
!
!
! Data management
!
!
!
!
!
! == ===================================
subroutine psb_d_csc_csgetptn(imin,imax,a,nz,ia,ja,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
use psb_error_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csgetptn
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
integer(psb_ipk_), intent(in) :: imin,imax
integer(psb_ipk_), intent(out) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
integer(psb_ipk_),intent(out) :: info
logical, intent(in), optional :: append
integer(psb_ipk_), intent(in), optional :: iren(:)
integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
logical :: append_, rscale_, cscale_
integer(psb_ipk_) :: nzin_, jmin_, jmax_, err_act, i
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
info = psb_success_
nz = 0
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_)) return
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 csc_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 call psb_error_handler(err_act)
return
contains
subroutine csc_getptn(imin,imax,jmin,jmax,a,nz,ia,ja,nzin,append,info,&
& iren)
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_sort_mod
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
integer(psb_ipk_) :: imin,imax,jmin,jmax
integer(psb_ipk_), intent(inout) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
integer(psb_ipk_), intent(in) :: nzin
logical, intent(in) :: append
integer(psb_ipk_) :: info
integer(psb_ipk_), optional :: iren(:)
integer(psb_ipk_) :: nzin_, nza, idx,i,j,k, nzt, irw, lrw, icl, lcl,m,isz, nrd, ncd
integer(psb_ipk_) :: 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())
icl = jmin
lcl = min(jmax,a%get_ncols())
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
nrd = max(1,a%get_nrows())
ncd = max(1,a%get_ncols())
nzt = min((a%icp(lcl+1)-a%icp(icl)),&
& ((nza+ncd-1)/ncd)*(lcl+1-icl),&
& ((nza+nrd-1)/nrd)*(lrw+1-irw))
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
isz = min(size(ia),size(ja))
if (present(iren)) then
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
isz = min(size(ia),size(ja))
end if
nz = nz + 1
ia(nzin_) = iren(a%ia(j))
ja(nzin_) = iren(i)
end if
enddo
end do
else
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
isz = min(size(ia),size(ja))
end if
nz = nz + 1
ia(nzin_) = (a%ia(j))
ja(nzin_) = (i)
end if
enddo
end do
end if
end subroutine csc_getptn
end subroutine psb_d_csc_csgetptn
subroutine psb_d_csc_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale,chksz)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
use psb_error_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csgetrow
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
integer(psb_ipk_), intent(in) :: imin,imax
integer(psb_ipk_), intent(out) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
real(psb_dpk_), allocatable, intent(inout) :: val(:)
integer(psb_ipk_),intent(out) :: info
logical, intent(in), optional :: append
integer(psb_ipk_), intent(in), optional :: iren(:)
integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale,chksz
logical :: append_, rscale_, cscale_
integer(psb_ipk_) :: nzin_, jmin_, jmax_, err_act, i
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
info = psb_success_
nz = 0
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_)) return
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 csc_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 call psb_error_handler(err_act)
return
contains
subroutine csc_getrow(imin,imax,jmin,jmax,a,nz,ia,ja,val,nzin,append,info,&
& iren)
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_sort_mod
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
integer(psb_ipk_) :: imin,imax,jmin,jmax
integer(psb_ipk_), intent(inout) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
real(psb_dpk_), allocatable, intent(inout) :: val(:)
integer(psb_ipk_), intent(in) :: nzin
logical, intent(in) :: append
integer(psb_ipk_) :: info
integer(psb_ipk_), optional :: iren(:)
integer(psb_ipk_) :: nzin_, nza, idx,i,j,k, nzt, irw, lrw, icl, lcl,isz,m, nrd, ncd
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='coo_getrow'
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
m = a%get_nrows()
nza = a%get_nzeros()
irw = imin
lrw = min(imax,a%get_nrows())
icl = jmin
lcl = min(jmax,a%get_ncols())
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
nrd = max(1,a%get_nrows())
ncd = max(1,a%get_ncols())
nzt = min((a%icp(lcl+1)-a%icp(icl)),&
& ((nza+ncd-1)/ncd)*(lcl+1-icl),&
& ((nza+nrd-1)/nrd)*(lrw+1-irw))
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
isz = min(size(ia),size(ja),size(val))
if (present(iren)) then
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
call psb_ensure_size(int(1.25*nzin_)+ione,val,info)
isz = min(size(ia),size(ja),size(val))
end if
nz = nz + 1
val(nzin_) = a%val(j)
ia(nzin_) = iren(a%ia(j))
ja(nzin_) = iren(i)
end if
enddo
end do
else
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
call psb_ensure_size(int(1.25*nzin_)+ione,val,info)
isz = min(size(ia),size(ja),size(val))
end if
nz = nz + 1
val(nzin_) = a%val(j)
ia(nzin_) = (a%ia(j))
ja(nzin_) = (i)
end if
enddo
end do
end if
end subroutine csc_getrow
end subroutine psb_d_csc_csgetrow
subroutine psb_d_csc_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
use psb_error_mod
use psb_realloc_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csput_a
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: val(:)
integer(psb_ipk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_csput_a'
logical, parameter :: debug=.false.
integer(psb_ipk_) :: nza, i,j,k, nzl, isza, debug_level, debug_unit
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
info = psb_success_
if (nz <= 0) then
info = psb_err_iarg_neg_
ierr(1)=1
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(ia) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=2
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(ja) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=3
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(val) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=4
call psb_errpush(info,name,i_err=ierr)
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_csc_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info)
if (info < 0) then
info = psb_err_internal_error_
else if (info > 0) then
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarded entries not belonging to us.'
info = psb_success_
end if
call a%set_host()
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 call psb_error_handler(err_act)
return
contains
subroutine psb_d_csc_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info)
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_sort_mod
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(in) :: nz, imin,imax,jmin,jmax
integer(psb_ipk_), intent(in) :: ia(:),ja(:)
real(psb_dpk_), intent(in) :: val(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nr,nc,nnz,dupl,nar, nac
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='d_csc_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()
nar = a%get_nrows()
nac = a%get_ncols()
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 ((ic > 0).and.(ic <= nac)) then
i1 = a%icp(ic)
i2 = a%icp(ic+1)
nr=i2-i1
ip = psb_bsrch(ir,nr,a%ia(i1:i2-1))
if (ip>0) then
a%val(i1+ip-1) = val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
end if
end do
case(psb_dupl_add_)
! Add
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ic > 0).and.(ic <= nac)) then
i1 = a%icp(ic)
i2 = a%icp(ic+1)
nr=i2-i1
ip = psb_bsrch(ir,nr,a%ia(i1:i2-1))
if (ip>0) then
a%val(i1+ip-1) = a%val(i1+ip-1) + val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
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 subroutine psb_d_csc_srch_upd
end subroutine psb_d_csc_csput_a
subroutine psb_d_cp_csc_from_coo(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_cp_csc_from_coo
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
class(psb_d_coo_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
type(psb_d_coo_sparse_mat) :: tmp
integer(psb_ipk_), allocatable :: itemp(:)
!locals
integer(psb_ipk_) :: nza, nr, i,j,irw, err_act, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
! We need to make a copy because mv_from will have to
! sort in column-major order.
call tmp%cp_from_coo(b,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end subroutine psb_d_cp_csc_from_coo
subroutine psb_d_cp_csc_to_coo(a,b,info)
use psb_const_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_cp_csc_to_coo
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), allocatable :: itemp(:)
!locals
integer(psb_ipk_) :: nza, nr, nc,i,j,irw, err_act
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
if (a%is_dev()) call a%sync()
nr = a%get_nrows()
nc = a%get_ncols()
nza = a%get_nzeros()
call b%allocate(nr,nc,nza)
b%psb_d_base_sparse_mat = a%psb_d_base_sparse_mat
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
b%ia(j) = a%ia(j)
b%ja(j) = i
b%val(j) = a%val(j)
end do
end do
call b%set_nzeros(a%get_nzeros())
call b%fix(info)
end subroutine psb_d_cp_csc_to_coo
subroutine psb_d_mv_csc_to_coo(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_mv_csc_to_coo
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), allocatable :: itemp(:)
!locals
integer(psb_ipk_) :: nza, nr, nc,i,j,irw, err_act
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
info = psb_success_
if (a%is_dev()) call a%sync()
nr = a%get_nrows()
nc = a%get_ncols()
nza = a%get_nzeros()
b%psb_d_base_sparse_mat = a%psb_d_base_sparse_mat
call b%set_nzeros(a%get_nzeros())
call move_alloc(a%ia,b%ia)
call move_alloc(a%val,b%val)
call psb_realloc(nza,b%ja,info)
if (info /= psb_success_) return
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
b%ja(j) = i
end do
end do
call a%free()
call b%fix(info)
end subroutine psb_d_mv_csc_to_coo
subroutine psb_d_mv_csc_from_coo(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_error_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_mv_csc_from_coo
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), allocatable :: itemp(:)
!locals
integer(psb_ipk_) :: nza, nr, i,j,k,ip,irw, err_act, nc, nrl
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='d_mv_csc_from_coo'
info = psb_success_
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
call b%fix(info, idir=psb_col_major_)
if (info /= psb_success_) return
nr = b%get_nrows()
nc = b%get_ncols()
nza = b%get_nzeros()
a%psb_d_base_sparse_mat = b%psb_d_base_sparse_mat
! Dirty trick: call move_alloc to have the new data allocated just once.
call move_alloc(b%ja,itemp)
call move_alloc(b%ia,a%ia)
call move_alloc(b%val,a%val)
call psb_realloc(nc+1,a%icp,info)
call b%free()
a%icp(:) = 0
do k=1,nza
i = itemp(k)
a%icp(i) = a%icp(i) + 1
end do
ip = 1
do i=1,nc
nrl = a%icp(i)
a%icp(i) = ip
ip = ip + nrl
end do
a%icp(nc+1) = ip
call a%set_host()
end subroutine psb_d_mv_csc_from_coo
subroutine psb_d_mv_csc_to_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_mv_csc_to_fmt
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
class(psb_d_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
integer(psb_ipk_) :: nza, nr, i,j,irw, err_act, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: 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_csc_sparse_mat)
if (a%is_dev()) call a%sync()
b%psb_d_base_sparse_mat = a%psb_d_base_sparse_mat
call move_alloc(a%icp, b%icp)
call move_alloc(a%ia, b%ia)
call move_alloc(a%val, b%val)
call a%free()
call b%set_host()
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_csc_to_fmt
!!$
subroutine psb_d_cp_csc_to_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_cp_csc_to_fmt
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
class(psb_d_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
integer(psb_ipk_) :: nz, nr, i,j,irw, err_act, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: 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_csc_sparse_mat)
if (a%is_dev()) call a%sync()
b%psb_d_base_sparse_mat = a%psb_d_base_sparse_mat
nc = a%get_ncols()
nz = a%get_nzeros()
if (info == 0) call psb_safe_cpy( a%icp(1:nc+1), b%icp , info)
if (info == 0) call psb_safe_cpy( a%ia(1:nz), b%ia , info)
if (info == 0) call psb_safe_cpy( a%val(1:nz), b%val , info)
call b%set_host()
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_csc_to_fmt
subroutine psb_d_mv_csc_from_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_mv_csc_from_fmt
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
class(psb_d_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
integer(psb_ipk_) :: nza, nr, i,j,irw, err_act, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: 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_csc_sparse_mat)
if (b%is_dev()) call b%sync()
a%psb_d_base_sparse_mat = b%psb_d_base_sparse_mat
call move_alloc(b%icp, a%icp)
call move_alloc(b%ia, a%ia)
call move_alloc(b%val, a%val)
call b%free()
call a%set_host()
class default
call b%mv_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end select
call a%set_host()
end subroutine psb_d_mv_csc_from_fmt
subroutine psb_d_csc_clean_zeros(a, info)
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_clean_zeros
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(out) :: info
!
integer(psb_ipk_) :: i, j, k, nc
integer(psb_ipk_), allocatable :: ilcp(:)
info = 0
call a%sync()
nc = a%get_ncols()
ilcp = a%icp
a%icp(1) = 1
j = a%icp(1)
do i=1, nc
do k = ilcp(i), ilcp(i+1) -1
if (a%val(k) /= dzero) then
a%val(j) = a%val(k)
a%ia(j) = a%ia(k)
j = j + 1
end if
end do
a%icp(i+1) = j
end do
call a%trim()
call a%set_host()
end subroutine psb_d_csc_clean_zeros
subroutine psb_d_cp_csc_from_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_cp_csc_from_fmt
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
class(psb_d_base_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_d_coo_sparse_mat) :: tmp
integer(psb_ipk_) :: nz, nr, i,j,irw, err_act, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: 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_csc_sparse_mat)
if (b%is_dev()) call b%sync()
a%psb_d_base_sparse_mat = b%psb_d_base_sparse_mat
nc = b%get_ncols()
nz = b%get_nzeros()
if (info == 0) call psb_safe_cpy( b%icp(1:nc+1), a%icp , info)
if (info == 0) call psb_safe_cpy( b%ia(1:nz), a%ia , info)
if (info == 0) call psb_safe_cpy( b%val(1:nz), a%val , info)
call a%set_host()
class default
call b%cp_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end select
call a%set_host()
end subroutine psb_d_cp_csc_from_fmt
subroutine psb_d_csc_mold(a,b,info)
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_mold
use psb_error_mod
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a
class(psb_d_base_sparse_mat), intent(inout), allocatable :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='csc_mold'
logical, parameter :: debug=.false.
call psb_get_erraction(err_act)
info = 0
if (allocated(b)) then
call b%free()
deallocate(b,stat=info)
end if
if (info == 0) allocate(psb_d_csc_sparse_mat :: b, stat=info)
if (info /= 0) then
info = psb_err_alloc_dealloc_
call psb_errpush(info, name)
goto 9999
end if
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_mold
subroutine psb_d_csc_reallocate_nz(nz,a)
use psb_error_mod
use psb_realloc_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_reallocate_nz
implicit none
integer(psb_ipk_), intent(in) :: nz
class(psb_d_csc_sparse_mat), intent(inout) :: a
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_reallocate_nz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
call psb_realloc(max(nz,ione),a%ia,info)
if (info == psb_success_) call psb_realloc(max(nz,ione),a%val,info)
if (info == psb_success_) call psb_realloc(a%get_ncols()+1, a%icp,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 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_reallocate_nz
!!$subroutine psb_d_csc_csgetblk(imin,imax,a,b,info,&
!!$ & jmin,jmax,iren,append,rscale,cscale)
!!$ ! Output is always in COO format
!!$ use psb_error_mod
!!$ use psb_const_mod
!!$ use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csgetblk
!!$ implicit none
!!$
!!$ class(psb_d_csc_sparse_mat), intent(in) :: a
!!$ class(psb_d_coo_sparse_mat), intent(inout) :: b
!!$ integer(psb_ipk_), intent(in) :: imin,imax
!!$ integer(psb_ipk_),intent(out) :: info
!!$ logical, intent(in), optional :: append
!!$ integer(psb_ipk_), intent(in), optional :: iren(:)
!!$ integer(psb_ipk_), intent(in), optional :: jmin,jmax
!!$ logical, intent(in), optional :: rscale,cscale
!!$ integer(psb_ipk_) :: err_act, nzin, nzout
!!$ integer(psb_ipk_) :: ierr(5)
!!$ 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
!!$
!!$9999 call psb_error_handler(err_act)
!!$
!!$ return
!!$
!!$end subroutine psb_d_csc_csgetblk
subroutine psb_d_csc_reinit(a,clear)
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_reinit
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
logical, intent(in), optional :: clear
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='reinit'
logical :: clear_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (a%is_dev()) call a%sync()
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()
call a%set_host()
else
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_reinit
subroutine psb_d_csc_trim(a)
use psb_realloc_mod
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_trim
implicit none
class(psb_d_csc_sparse_mat), intent(inout) :: a
integer(psb_ipk_) :: err_act, info, nz, n
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='trim'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
n = a%get_ncols()
nz = a%get_nzeros()
if (info == psb_success_) call psb_realloc(n+1,a%icp,info)
if (info == psb_success_) call psb_realloc(nz,a%ia,info)
if (info == psb_success_) call psb_realloc(nz,a%val,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_trim
subroutine psb_d_csc_allocate_mnnz(m,n,a,nz)
use psb_error_mod
use psb_realloc_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_allocate_mnnz
implicit none
integer(psb_ipk_), intent(in) :: m,n
class(psb_d_csc_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(in), optional :: nz
integer(psb_ipk_) :: err_act, info, nz_
integer(psb_ipk_) :: ierr(5)
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_
ierr(1) = ione; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (n < 0) then
info = psb_err_iarg_neg_
ierr(1) = 2; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (present(nz)) then
nz_ = max(nz,ione)
else
nz_ = max(7*m,7*n,ione)
end if
if (nz_ < 0) then
info = psb_err_iarg_neg_
ierr(1) = 3; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (info == psb_success_) call psb_realloc(n+1,a%icp,info)
if (info == psb_success_) call psb_realloc(nz_,a%ia,info)
if (info == psb_success_) call psb_realloc(nz_,a%val,info)
if (info == psb_success_) then
a%icp=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_)
call a%set_host()
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_d_csc_allocate_mnnz
subroutine psb_d_csc_print(iout,a,iv,head,ivr,ivc)
use psb_string_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_print
implicit none
integer(psb_ipk_), intent(in) :: iout
class(psb_d_csc_sparse_mat), intent(in) :: a
integer(psb_lpk_), intent(in), optional :: iv(:)
character(len=*), optional :: head
integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:)
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='d_csc_print'
logical, parameter :: debug=.false.
character(len=*), parameter :: datatype='real'
character(len=80) :: frmt
integer(psb_ipk_) :: i,j, nmx, ni, nr, nc, nz
write(iout,'(a)') '%%MatrixMarket matrix coordinate real general'
if (present(head)) write(iout,'(a,a)') '% ',head
write(iout,'(a)') '%'
write(iout,'(a,a)') '% COO'
if (a%is_dev()) call a%sync()
nr = a%get_nrows()
nc = a%get_ncols()
nz = a%get_nzeros()
frmt = psb_d_get_print_frmt(nr,nc,nz,iv,ivr,ivc)
write(iout,*) nr, nc, nz
if(present(iv)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) iv(a%ia(j)),iv(i),a%val(j)
end do
enddo
else
if (present(ivr).and..not.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) ivr(a%ia(j)),i,a%val(j)
end do
enddo
else if (present(ivr).and.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) ivr(a%ia(j)),ivc(i),a%val(j)
end do
enddo
else if (.not.present(ivr).and.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) (a%ia(j)),ivc(i),a%val(j)
end do
enddo
else if (.not.present(ivr).and..not.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) (a%ia(j)),(i),a%val(j)
end do
enddo
endif
endif
end subroutine psb_d_csc_print
subroutine psb_dcscspspmm(a,b,c,info)
use psb_d_mat_mod
use psb_serial_mod, psb_protect_name => psb_dcscspspmm
implicit none
class(psb_d_csc_sparse_mat), intent(in) :: a,b
type(psb_d_csc_sparse_mat), intent(out) :: c
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: nze, ma,na,mb,nb, nzc, nza, nzb,nzeb
character(len=20) :: name
integer(psb_ipk_) :: err_act
name='psb_cscspspmm'
call psb_erractionsave(err_act)
info = psb_success_
if (a%is_dev()) call a%sync()
if (b%is_dev()) call b%sync()
ma = a%get_nrows()
na = a%get_ncols()
mb = b%get_nrows()
nb = b%get_ncols()
if ( mb /= na ) then
write(psb_err_unit,*) 'Mismatch in SPSPMM: ',ma,na,mb,nb
info = psb_err_invalid_matrix_sizes_
call psb_errpush(info,name)
goto 9999
endif
nza = a%get_nzeros()
nzb = b%get_nzeros()
nzc = 2*(nza+nzb)
nze = ma*(((nza+ma-1)/ma)*((nzb+mb-1)/mb) )
nzeb = (((nza+na-1)/na)*((nzb+nb-1)/nb))*nb
! Estimate number of nonzeros on output.
! Turns out this is often a large overestimate.
call c%allocate(ma,nb,nzc)
call csc_spspmm(a,b,c,info)
call c%set_asb()
call c%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine csc_spspmm(a,b,c,info)
implicit none
type(psb_d_csc_sparse_mat), intent(in) :: a,b
type(psb_d_csc_sparse_mat), intent(inout) :: c
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: ma,na,mb,nb
integer(psb_ipk_), allocatable :: icol(:), idxs(:), iaux(:)
real(psb_dpk_), allocatable :: col(:)
integer(psb_ipk_) :: i,j,k,irw,icl,icf, iret, &
& nzc,nnzre, isz, ipb, irwsz, nrc, nze
real(psb_dpk_) :: cfb
info = psb_success_
ma = a%get_nrows()
na = a%get_ncols()
mb = b%get_nrows()
nb = b%get_ncols()
nze = min(size(c%val),size(c%ia))
isz = max(ma,na,mb,nb)
call psb_realloc(isz,col,info)
if (info == 0) call psb_realloc(isz,idxs,info)
if (info == 0) call psb_realloc(isz,icol,info)
if (info /= 0) return
col = dzero
icol = 0
nzc = 1
do j = 1,nb
c%icp(j) = nzc
nrc = 0
do k = b%icp(j), b%icp(j+1)-1
icl = b%ia(k)
cfb = b%val(k)
irwsz = a%icp(icl+1)-a%icp(icl)
do i = a%icp(icl),a%icp(icl+1)-1
irw = a%ia(i)
if (icol(irw)<j) then
nrc = nrc + 1
idxs(nrc) = irw
icol(irw) = j
end if
col(irw) = col(irw) + cfb*a%val(i)
end do
end do
if (nrc > 0 ) then
if ((nzc+nrc)>nze) then
nze = max(nb*((nzc+j-1)/j),nzc+2*nrc)
call psb_realloc(nze,c%val,info)
if (info == 0) call psb_realloc(nze,c%ia,info)
if (info /= 0) return
end if
call psb_msort(idxs(1:nrc))
do i=1, nrc
irw = idxs(i)
c%ia(nzc) = irw
c%val(nzc) = col(irw)
col(irw) = dzero
nzc = nzc + 1
end do
end if
end do
c%icp(nb+1) = nzc
end subroutine csc_spspmm
end subroutine psb_dcscspspmm
subroutine psb_ld_csc_get_diag(a,d,info)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_get_diag
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_) :: mnm, i, j, k
integer(psb_ipk_) :: err_act, ierr(5)
character(len=20) :: name='get_diag'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
mnm = min(a%get_nrows(),a%get_ncols())
if (size(d) < mnm) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d(1:mnm) = done
else
do i=1, mnm
d(i) = dzero
do k=a%icp(i),a%icp(i+1)-1
j=a%ia(k)
if ((j == i) .and.(j <= mnm )) then
d(i) = a%val(k)
endif
enddo
end do
endif
do i=mnm+1,size(d)
d(i) = dzero
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_get_diag
subroutine psb_ld_csc_scal(d,a,info,side)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_scal
use psb_string_mod
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: d(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in), optional :: side
integer(psb_lpk_) :: mnm, i, j, n
type(psb_ld_coo_sparse_mat) :: tmp
integer(psb_ipk_) :: err_act,ierr(5)
character(len=20) :: name='scal'
character :: side_
logical :: left
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
side_ = 'L'
if (present(side)) then
side_ = psb_toupper(side)
end if
if (a%is_unit()) then
call a%make_nonunit()
end if
left = (side_ == 'L')
if (left) then
n = a%get_ncols()
if (size(d) < n) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
do i=1, a%get_nzeros()
a%val(i) = a%val(i) * d(a%ia(i))
enddo
else
n = a%get_nrows()
if (size(d) < n) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
do j=1, n
do i = a%icp(j), a%icp(j+1) -1
a%val(i) = a%val(i) * d(j)
end do
enddo
end if
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_scal
subroutine psb_ld_csc_scals(d,a,info)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_scals
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: d
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_) :: mnm, i, j, m
integer(psb_ipk_) :: err_act,ierr(5)
character(len=20) :: name='scal'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
if (a%is_unit()) then
call a%make_nonunit()
end if
do i=1,a%get_nzeros()
a%val(i) = a%val(i) * d
enddo
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_scals
function psb_ld_csc_maxval(a) result(res)
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_maxval
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
real(psb_dpk_) :: res
integer(psb_lpk_) :: nnz
character(len=20) :: name='ld_csc_maxval'
logical, parameter :: debug=.false.
if (a%is_unit()) then
res = done
else
res = dzero
end if
if (a%is_dev()) call a%sync()
nnz = a%get_nzeros()
if (allocated(a%val)) then
nnz = min(nnz,size(a%val))
res = maxval(abs(a%val(1:nnz)))
end if
end function psb_ld_csc_maxval
function psb_ld_csc_csnm1(a) result(res)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_csnm1
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
real(psb_dpk_) :: res
integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc, info
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra, is_unit
integer(psb_ipk_) :: err_act
character(len=20) :: name='ld_csc_csnm1'
logical, parameter :: debug=.false.
res = dzero
if (a%is_dev()) call a%sync()
m = a%get_nrows()
n = a%get_ncols()
is_unit = a%is_unit()
do j=1, n
if (is_unit) then
acc = done
else
acc = dzero
end if
do k=a%icp(j),a%icp(j+1)-1
acc = acc + abs(a%val(k))
end do
res = max(res,acc)
end do
return
end function psb_ld_csc_csnm1
subroutine psb_ld_csc_colsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_colsum
class(psb_ld_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_lpk_) :: i,j,k,nnz, ir, jc, nc
integer(psb_epk_) :: m,n
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra, is_unit
integer(psb_ipk_) :: err_act, info
integer(psb_epk_) :: err(5)
character(len=20) :: name='colsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
err(1) = 1; err(2) = size(d); err(3) = m
call psb_errpush(info,name,e_err=err)
goto 9999
end if
is_unit = a%is_unit()
do i = 1, a%get_ncols()
if (is_unit) then
d(i) = done
else
d(i) = dzero
end if
do j=a%icp(i),a%icp(i+1)-1
d(i) = d(i) + (a%val(j))
end do
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_colsum
subroutine psb_ld_csc_aclsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_aclsum
class(psb_ld_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_lpk_) :: i,j,k,nnz, ir, jc, nc
integer(psb_lpk_) :: m,n
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra, is_unit
integer(psb_ipk_) :: err_act, info
integer(psb_epk_) :: err(5)
character(len=20) :: name='colsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
err(1) = 1; err(2) = size(d); err(3) = m
call psb_errpush(info,name,e_err=err)
goto 9999
end if
is_unit = a%is_unit()
do i = 1, a%get_ncols()
if (is_unit) then
d(i) = done
else
d(i) = dzero
end if
do j=a%icp(i),a%icp(i+1)-1
d(i) = d(i) + abs(a%val(j))
end do
end do
if (a%is_unit()) then
do i=1, a%get_ncols()
d(i) = d(i) + done
end do
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_aclsum
subroutine psb_ld_csc_rowsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_rowsum
class(psb_ld_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_lpk_) :: i,j,k,nnz, ir, jc, nc
integer(psb_epk_) :: m,n
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_epk_) :: err(5)
character(len=20) :: name='rowsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
n = a%get_nrows()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
err(1) = 1; err(2) = size(d); err(3) = n
call psb_errpush(info,name,e_err=err)
goto 9999
end if
if (a%is_unit()) then
d = done
else
d = dzero
end if
do i=1, m
do j=a%icp(i),a%icp(i+1)-1
k = a%ia(j)
d(k) = d(k) + (a%val(k))
end do
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_rowsum
subroutine psb_ld_csc_arwsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_arwsum
class(psb_ld_csc_sparse_mat), intent(in) :: a
real(psb_dpk_), intent(out) :: d(:)
integer(psb_lpk_) :: i,j,k,nnz, ir, jc, nc
integer(psb_epk_) :: m,n
real(psb_dpk_) :: acc
real(psb_dpk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_epk_) :: err(5)
character(len=20) :: name='arwsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_ncols()
n = a%get_nrows()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
err(1) = 1; err(2) = size(d); err(3) = n
call psb_errpush(info,name,e_err=err)
goto 9999
end if
if (a%is_unit()) then
d = done
else
d = dzero
end if
do i=1, m
do j=a%icp(i),a%icp(i+1)-1
k = a%ia(j)
d(k) = d(k) + abs(a%val(k))
end do
end do
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_arwsum
! == ===================================
!
!
!
! Data management
!
!
!
!
!
! == ===================================
subroutine psb_ld_csc_csgetptn(imin,imax,a,nz,ia,ja,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
use psb_error_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_csgetptn
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
integer(psb_lpk_), intent(in) :: imin,imax
integer(psb_lpk_), intent(out) :: nz
integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:)
integer(psb_ipk_),intent(out) :: info
logical, intent(in), optional :: append
integer(psb_lpk_), intent(in), optional :: iren(:)
integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
logical :: append_, rscale_, cscale_
integer(psb_lpk_) :: nzin_, jmin_, jmax_, i
integer(psb_ipk_) :: err_act, ierr(5)
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
info = psb_success_
nz = 0
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_)) return
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 lcsc_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 call psb_error_handler(err_act)
return
contains
subroutine lcsc_getptn(imin,imax,jmin,jmax,a,nz,ia,ja,nzin,append,info,&
& iren)
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_sort_mod
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
integer(psb_lpk_) :: imin,imax,jmin,jmax
integer(psb_lpk_), intent(inout) :: nz
integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:)
integer(psb_lpk_), intent(in) :: nzin
logical, intent(in) :: append
integer(psb_ipk_) :: info
integer(psb_lpk_), optional :: iren(:)
integer(psb_lpk_) :: nzin_, nza, idx,i,j,k, nzt, irw, lrw, icl, lcl,m,isz, nrd, ncd
integer(psb_ipk_) :: 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())
icl = jmin
lcl = min(jmax,a%get_ncols())
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
nrd = max(1,a%get_nrows())
ncd = max(1,a%get_ncols())
nzt = min((a%icp(lcl+1)-a%icp(icl)),&
& ((nza+ncd-1)/ncd)*(lcl+1-icl),&
& ((nza+nrd-1)/nrd)*(lrw+1-irw))
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
isz = min(size(ia),size(ja))
if (present(iren)) then
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
isz = min(size(ia),size(ja))
end if
nz = nz + 1
ia(nzin_) = iren(a%ia(j))
ja(nzin_) = iren(i)
end if
enddo
end do
else
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
isz = min(size(ia),size(ja))
end if
nz = nz + 1
ia(nzin_) = (a%ia(j))
ja(nzin_) = (i)
end if
enddo
end do
end if
end subroutine lcsc_getptn
end subroutine psb_ld_csc_csgetptn
subroutine psb_ld_csc_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
use psb_error_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_csgetrow
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
integer(psb_lpk_), intent(in) :: imin,imax
integer(psb_lpk_), intent(out) :: nz
integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:)
real(psb_dpk_), allocatable, intent(inout) :: val(:)
integer(psb_ipk_),intent(out) :: info
logical, intent(in), optional :: append
integer(psb_lpk_), intent(in), optional :: iren(:)
integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
logical :: append_, rscale_, cscale_
integer(psb_lpk_) :: nzin_, jmin_, jmax_, i
integer(psb_ipk_) :: err_act, ierr(5)
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
info = psb_success_
nz = 0
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_)) return
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 lcsc_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 call psb_error_handler(err_act)
return
contains
subroutine lcsc_getrow(imin,imax,jmin,jmax,a,nz,ia,ja,val,nzin,append,info,&
& iren)
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_sort_mod
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
integer(psb_lpk_) :: imin,imax,jmin,jmax
integer(psb_lpk_), intent(inout) :: nz
integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:)
real(psb_dpk_), allocatable, intent(inout) :: val(:)
integer(psb_lpk_), intent(in) :: nzin
logical, intent(in) :: append
integer(psb_ipk_) :: info
integer(psb_lpk_), optional :: iren(:)
integer(psb_lpk_) :: nzin_, nza, idx,i,j,k, nzt, irw, lrw, icl, lcl,isz,m, nrd, ncd
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='coo_getrow'
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
m = a%get_nrows()
nza = a%get_nzeros()
irw = imin
lrw = min(imax,a%get_nrows())
icl = jmin
lcl = min(jmax,a%get_ncols())
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
nrd = max(1,a%get_nrows())
ncd = max(1,a%get_ncols())
nzt = min((a%icp(lcl+1)-a%icp(icl)),&
& ((nza+ncd-1)/ncd)*(lcl+1-icl),&
& ((nza+nrd-1)/nrd)*(lrw+1-irw))
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
isz = min(size(ia),size(ja),size(val))
if (present(iren)) then
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
call psb_ensure_size(int(1.25*nzin_)+ione,val,info)
isz = min(size(ia),size(ja),size(val))
end if
nz = nz + 1
val(nzin_) = a%val(j)
ia(nzin_) = iren(a%ia(j))
ja(nzin_) = iren(i)
end if
enddo
end do
else
do i=icl, lcl
do j=a%icp(i), a%icp(i+1) - 1
if ((imin <= a%ia(j)).and.(a%ia(j)<=imax)) then
nzin_ = nzin_ + 1
if (nzin_>isz) then
call psb_ensure_size(int(1.25*nzin_)+ione,ia,info)
call psb_ensure_size(int(1.25*nzin_)+ione,ja,info)
call psb_ensure_size(int(1.25*nzin_)+ione,val,info)
isz = min(size(ia),size(ja),size(val))
end if
nz = nz + 1
val(nzin_) = a%val(j)
ia(nzin_) = (a%ia(j))
ja(nzin_) = (i)
end if
enddo
end do
end if
end subroutine lcsc_getrow
end subroutine psb_ld_csc_csgetrow
subroutine psb_ld_csc_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
use psb_error_mod
use psb_realloc_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_csput_a
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: val(:)
integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act, debug_level, debug_unit, ierr(5)
character(len=20) :: name='ld_csc_csput_a'
logical, parameter :: debug=.false.
integer(psb_lpk_) :: nza, i,j,k, nzl, isza
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
info = psb_success_
if (nz <= 0) then
info = psb_err_iarg_neg_
ierr(1)=1
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(ia) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=2
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(ja) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=3
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(val) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=4
call psb_errpush(info,name,i_err=ierr)
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_ld_csc_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info)
if (info < 0) then
info = psb_err_internal_error_
else if (info > 0) then
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarded entries not belonging to us.'
info = psb_success_
end if
call a%set_host()
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 call psb_error_handler(err_act)
return
contains
subroutine psb_ld_csc_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info)
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_sort_mod
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax
integer(psb_lpk_), intent(in) :: ia(:),ja(:)
real(psb_dpk_), intent(in) :: val(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_) :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nr,nc,nnz,dupl,nar, nac
integer(psb_ipk_) :: debug_level, debug_unit, inr
character(len=20) :: name='ld_csc_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()
nar = a%get_nrows()
nac = a%get_ncols()
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 ((ic > 0).and.(ic <= nac)) then
i1 = a%icp(ic)
i2 = a%icp(ic+1)
nr = i2-i1
inr = nr
ip = psb_bsrch(ir,inr,a%ia(i1:i2-1))
if (ip>0) then
a%val(i1+ip-1) = val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
end if
end do
case(psb_dupl_add_)
! Add
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ic > 0).and.(ic <= nac)) then
i1 = a%icp(ic)
i2 = a%icp(ic+1)
nr = i2-i1
inr = nr
ip = psb_bsrch(ir,inr,a%ia(i1:i2-1))
if (ip>0) then
a%val(i1+ip-1) = a%val(i1+ip-1) + val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
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 subroutine psb_ld_csc_srch_upd
end subroutine psb_ld_csc_csput_a
subroutine psb_ld_cp_csc_from_coo(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_cp_csc_from_coo
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
class(psb_ld_coo_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
type(psb_ld_coo_sparse_mat) :: tmp
integer(psb_lpk_), allocatable :: itemp(:)
!locals
integer(psb_lpk_) :: nza, nr, i,j,irw, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: err_act, debug_level, debug_unit
character(len=20) :: name
info = psb_success_
! We need to make a copy because mv_from will have to
! sort in column-major order.
call tmp%cp_from_coo(b,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end subroutine psb_ld_cp_csc_from_coo
subroutine psb_ld_cp_csc_to_coo(a,b,info)
use psb_const_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_cp_csc_to_coo
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
class(psb_ld_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_), allocatable :: itemp(:)
!locals
integer(psb_lpk_) :: nza, nr, nc,i,j,irw
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: debug_level, debug_unit, err_act
character(len=20) :: name
info = psb_success_
if (a%is_dev()) call a%sync()
nr = a%get_nrows()
nc = a%get_ncols()
nza = a%get_nzeros()
call b%allocate(nr,nc,nza)
b%psb_ld_base_sparse_mat = a%psb_ld_base_sparse_mat
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
b%ia(j) = a%ia(j)
b%ja(j) = i
b%val(j) = a%val(j)
end do
end do
call b%set_nzeros(a%get_nzeros())
call b%fix(info)
end subroutine psb_ld_cp_csc_to_coo
subroutine psb_ld_mv_csc_to_coo(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_mv_csc_to_coo
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
class(psb_ld_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_), allocatable :: itemp(:)
!locals
integer(psb_lpk_) :: nza, nr, nc,i,j,irw
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: debug_level, debug_unit, err_act
character(len=20) :: name
info = psb_success_
if (a%is_dev()) call a%sync()
nr = a%get_nrows()
nc = a%get_ncols()
nza = a%get_nzeros()
b%psb_ld_base_sparse_mat = a%psb_ld_base_sparse_mat
call b%set_nzeros(a%get_nzeros())
call move_alloc(a%ia,b%ia)
call move_alloc(a%val,b%val)
call psb_realloc(nza,b%ja,info)
if (info /= psb_success_) return
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
b%ja(j) = i
end do
end do
call a%free()
call b%fix(info)
end subroutine psb_ld_mv_csc_to_coo
subroutine psb_ld_mv_csc_from_coo(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_error_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_mv_csc_from_coo
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
class(psb_ld_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_), allocatable :: itemp(:)
!locals
integer(psb_lpk_) :: nza, nr, i,j,k,ip,irw, nc, nrl
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: err_act, debug_level, debug_unit
character(len=20) :: name='ld_mv_csc_from_coo'
info = psb_success_
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
call b%fix(info, idir=psb_col_major_)
if (info /= psb_success_) return
nr = b%get_nrows()
nc = b%get_ncols()
nza = b%get_nzeros()
a%psb_ld_base_sparse_mat = b%psb_ld_base_sparse_mat
! Dirty trick: call move_alloc to have the new data allocated just once.
call move_alloc(b%ja,itemp)
call move_alloc(b%ia,a%ia)
call move_alloc(b%val,a%val)
call psb_realloc(nc+1,a%icp,info)
call b%free()
a%icp(:) = 0
do k=1,nza
i = itemp(k)
a%icp(i) = a%icp(i) + 1
end do
ip = 1
do i=1,nc
nrl = a%icp(i)
a%icp(i) = ip
ip = ip + nrl
end do
a%icp(nc+1) = ip
call a%set_host()
end subroutine psb_ld_mv_csc_from_coo
subroutine psb_ld_mv_csc_to_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_mv_csc_to_fmt
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
class(psb_ld_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_ld_coo_sparse_mat) :: tmp
integer(psb_lpk_) :: nza, nr, i,j,irw, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: err_act, debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_ld_coo_sparse_mat)
call a%mv_to_coo(b,info)
! Need to fix trivial copies!
type is (psb_ld_csc_sparse_mat)
if (a%is_dev()) call a%sync()
b%psb_ld_base_sparse_mat = a%psb_ld_base_sparse_mat
call move_alloc(a%icp, b%icp)
call move_alloc(a%ia, b%ia)
call move_alloc(a%val, b%val)
call a%free()
call b%set_host()
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_ld_mv_csc_to_fmt
!!$
subroutine psb_ld_cp_csc_to_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_cp_csc_to_fmt
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
class(psb_ld_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_ld_coo_sparse_mat) :: tmp
integer(psb_lpk_) :: nz, nr, i,j,irw, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: err_act, debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_ld_coo_sparse_mat)
call a%cp_to_coo(b,info)
type is (psb_ld_csc_sparse_mat)
if (a%is_dev()) call a%sync()
b%psb_ld_base_sparse_mat = a%psb_ld_base_sparse_mat
nc = a%get_ncols()
nz = a%get_nzeros()
if (info == 0) call psb_safe_cpy( a%icp(1:nc+1), b%icp , info)
if (info == 0) call psb_safe_cpy( a%ia(1:nz), b%ia , info)
if (info == 0) call psb_safe_cpy( a%val(1:nz), b%val , info)
call b%set_host()
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_ld_cp_csc_to_fmt
subroutine psb_ld_mv_csc_from_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_mv_csc_from_fmt
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
class(psb_ld_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_ld_coo_sparse_mat) :: tmp
integer(psb_lpk_) :: nza, nr, i,j,irw, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: err_act, debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_ld_coo_sparse_mat)
call a%mv_from_coo(b,info)
type is (psb_ld_csc_sparse_mat)
if (b%is_dev()) call b%sync()
a%psb_ld_base_sparse_mat = b%psb_ld_base_sparse_mat
call move_alloc(b%icp, a%icp)
call move_alloc(b%ia, a%ia)
call move_alloc(b%val, a%val)
call b%free()
call a%set_host()
class default
call b%mv_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end select
call a%set_host()
end subroutine psb_ld_mv_csc_from_fmt
subroutine psb_ld_cp_csc_from_fmt(a,b,info)
use psb_const_mod
use psb_realloc_mod
use psb_d_base_mat_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_cp_csc_from_fmt
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
class(psb_ld_base_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_ld_coo_sparse_mat) :: tmp
integer(psb_lpk_) :: nz, nr, i,j,irw, nc
integer(psb_ipk_), Parameter :: maxtry=8
integer(psb_ipk_) :: err_act, debug_level, debug_unit
character(len=20) :: name
info = psb_success_
select type (b)
type is (psb_ld_coo_sparse_mat)
call a%cp_from_coo(b,info)
type is (psb_ld_csc_sparse_mat)
if (b%is_dev()) call b%sync()
a%psb_ld_base_sparse_mat = b%psb_ld_base_sparse_mat
nc = b%get_ncols()
nz = b%get_nzeros()
if (info == 0) call psb_safe_cpy( b%icp(1:nc+1), a%icp , info)
if (info == 0) call psb_safe_cpy( b%ia(1:nz), a%ia , info)
if (info == 0) call psb_safe_cpy( b%val(1:nz), a%val , info)
call a%set_host()
class default
call b%cp_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end select
call a%set_host()
end subroutine psb_ld_cp_csc_from_fmt
subroutine psb_ld_csc_clean_zeros(a, info)
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_clean_zeros
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(out) :: info
!
integer(psb_lpk_) :: i, j, k, nc
integer(psb_lpk_), allocatable :: ilcp(:)
info = 0
call a%sync()
nc = a%get_ncols()
ilcp = a%icp
a%icp(1) = 1
j = a%icp(1)
do i=1, nc
do k = ilcp(i), ilcp(i+1) -1
if (a%val(k) /= dzero) then
a%val(j) = a%val(k)
a%ia(j) = a%ia(k)
j = j + 1
end if
end do
a%icp(i+1) = j
end do
call a%trim()
call a%set_host()
end subroutine psb_ld_csc_clean_zeros
subroutine psb_ld_csc_mold(a,b,info)
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_mold
use psb_error_mod
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
class(psb_ld_base_sparse_mat), intent(inout), allocatable :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act, ierr(5)
character(len=20) :: name='csc_mold'
logical, parameter :: debug=.false.
call psb_get_erraction(err_act)
info = 0
if (allocated(b)) then
call b%free()
deallocate(b,stat=info)
end if
if (info == 0) allocate(psb_ld_csc_sparse_mat :: b, stat=info)
if (info /= 0) then
info = psb_err_alloc_dealloc_
call psb_errpush(info, name)
goto 9999
end if
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_mold
subroutine psb_ld_csc_reallocate_nz(nz,a)
use psb_error_mod
use psb_realloc_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_reallocate_nz
implicit none
integer(psb_lpk_), intent(in) :: nz
class(psb_ld_csc_sparse_mat), intent(inout) :: a
integer(psb_ipk_) :: err_act, info, ierr(5)
character(len=20) :: name='ld_csc_reallocate_nz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
call psb_realloc(max(nz,ione),a%ia,info)
if (info == psb_success_) call psb_realloc(max(nz,ione),a%val,info)
if (info == psb_success_) call psb_realloc(a%get_ncols()+1, a%icp,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 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_reallocate_nz
subroutine psb_ld_csc_csgetblk(imin,imax,a,b,info,&
& jmin,jmax,iren,append,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_csgetblk
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a
class(psb_ld_coo_sparse_mat), intent(inout) :: b
integer(psb_lpk_), intent(in) :: imin,imax
integer(psb_ipk_),intent(out) :: info
logical, intent(in), optional :: append
integer(psb_lpk_), intent(in), optional :: iren(:)
integer(psb_lpk_), intent(in), optional :: jmin,jmax
logical, intent(in), optional :: rscale,cscale
integer(psb_lpk_) :: nzin, nzout
integer(psb_ipk_) :: err_act, ierr(5)
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 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_csgetblk
subroutine psb_ld_csc_reinit(a,clear)
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_reinit
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
logical, intent(in), optional :: clear
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='reinit'
logical :: clear_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (a%is_dev()) call a%sync()
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()
call a%set_host()
else
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_reinit
subroutine psb_ld_csc_trim(a)
use psb_realloc_mod
use psb_error_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_trim
implicit none
class(psb_ld_csc_sparse_mat), intent(inout) :: a
integer(psb_lpk_) :: nz, n
integer(psb_ipk_) :: err_act, info, ierr(5)
character(len=20) :: name='trim'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
n = a%get_ncols()
nz = a%get_nzeros()
if (info == psb_success_) call psb_realloc(n+1,a%icp,info)
if (info == psb_success_) call psb_realloc(nz,a%ia,info)
if (info == psb_success_) call psb_realloc(nz,a%val,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_trim
subroutine psb_ld_csc_allocate_mnnz(m,n,a,nz)
use psb_error_mod
use psb_realloc_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_allocate_mnnz
implicit none
integer(psb_lpk_), intent(in) :: m,n
class(psb_ld_csc_sparse_mat), intent(inout) :: a
integer(psb_lpk_), intent(in), optional :: nz
integer(psb_lpk_) :: nz_
integer(psb_ipk_) :: err_act, info, ierr(5)
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_
ierr(1) = ione; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (n < 0) then
info = psb_err_iarg_neg_
ierr(1) = 2; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (present(nz)) then
nz_ = max(nz,ione)
else
nz_ = max(7*m,7*n,ione)
end if
if (nz_ < 0) then
info = psb_err_iarg_neg_
ierr(1) = 3; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (info == psb_success_) call psb_realloc(n+1,a%icp,info)
if (info == psb_success_) call psb_realloc(nz_,a%ia,info)
if (info == psb_success_) call psb_realloc(nz_,a%val,info)
if (info == psb_success_) then
a%icp=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_)
call a%set_host()
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_ld_csc_allocate_mnnz
subroutine psb_ld_csc_print(iout,a,iv,head,ivr,ivc)
use psb_string_mod
use psb_d_csc_mat_mod, psb_protect_name => psb_ld_csc_print
implicit none
integer(psb_ipk_), intent(in) :: iout
class(psb_ld_csc_sparse_mat), intent(in) :: a
integer(psb_lpk_), intent(in), optional :: iv(:)
character(len=*), optional :: head
integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:)
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='ld_csc_print'
logical, parameter :: debug=.false.
character(len=80) :: frmt
integer(psb_lpk_) :: i,j, ni, nr, nc, nz
write(iout,'(a)') '%%MatrixMarket matrix coordinate real general'
if (present(head)) write(iout,'(a,a)') '% ',head
write(iout,'(a)') '%'
write(iout,'(a,a)') '% COO'
if (a%is_dev()) call a%sync()
nr = a%get_nrows()
nc = a%get_ncols()
nz = a%get_nzeros()
frmt = psb_ld_get_print_frmt(nr,nc,nz,iv,ivr,ivc)
write(iout,*) nr, nc, nz
if(present(iv)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) iv(a%ia(j)),iv(i),a%val(j)
end do
enddo
else
if (present(ivr).and..not.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) ivr(a%ia(j)),i,a%val(j)
end do
enddo
else if (present(ivr).and.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) ivr(a%ia(j)),ivc(i),a%val(j)
end do
enddo
else if (.not.present(ivr).and.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) (a%ia(j)),ivc(i),a%val(j)
end do
enddo
else if (.not.present(ivr).and..not.present(ivc)) then
do i=1, nc
do j=a%icp(i),a%icp(i+1)-1
write(iout,frmt) (a%ia(j)),(i),a%val(j)
end do
enddo
endif
endif
end subroutine psb_ld_csc_print
subroutine psb_ldcscspspmm(a,b,c,info)
use psb_d_mat_mod
use psb_serial_mod, psb_protect_name => psb_ldcscspspmm
implicit none
class(psb_ld_csc_sparse_mat), intent(in) :: a,b
type(psb_ld_csc_sparse_mat), intent(out) :: c
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_) :: nze, ma,na,mb,nb, nzc, nza, nzb,nzeb
character(len=20) :: name
integer(psb_ipk_) :: err_act
name='psb_cscspspmm'
call psb_erractionsave(err_act)
info = psb_success_
if (a%is_dev()) call a%sync()
if (b%is_dev()) call b%sync()
ma = a%get_nrows()
na = a%get_ncols()
mb = b%get_nrows()
nb = b%get_ncols()
if ( mb /= na ) then
write(psb_err_unit,*) 'Mismatch in SPSPMM: ',ma,na,mb,nb
info = psb_err_invalid_matrix_sizes_
call psb_errpush(info,name)
goto 9999
endif
nza = a%get_nzeros()
nzb = b%get_nzeros()
nzc = 2*(nza+nzb)
nze = ma*(((nza+ma-1)/ma)*((nzb+mb-1)/mb) )
nzeb = (((nza+na-1)/na)*((nzb+nb-1)/nb))*nb
! Estimate number of nonzeros on output.
! Turns out this is often a large overestimate.
call c%allocate(ma,nb,nzc)
call csc_spspmm(a,b,c,info)
call c%set_asb()
call c%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine csc_spspmm(a,b,c,info)
implicit none
type(psb_ld_csc_sparse_mat), intent(in) :: a,b
type(psb_ld_csc_sparse_mat), intent(inout) :: c
integer(psb_ipk_), intent(out) :: info
integer(psb_lpk_) :: ma,na,mb,nb
integer(psb_lpk_), allocatable :: icol(:), idxs(:), iaux(:)
real(psb_dpk_), allocatable :: col(:)
integer(psb_lpk_) :: i,j,k,irw,icl,icf, iret, &
& nzc,nnzre, isz, ipb, irwsz, nrc, nze
real(psb_dpk_) :: cfb
info = psb_success_
ma = a%get_nrows()
na = a%get_ncols()
mb = b%get_nrows()
nb = b%get_ncols()
nze = min(size(c%val),size(c%ia))
isz = max(ma,na,mb,nb)
call psb_realloc(isz,col,info)
if (info == 0) call psb_realloc(isz,idxs,info)
if (info == 0) call psb_realloc(isz,icol,info)
if (info /= 0) return
col = dzero
icol = 0
nzc = 1
do j = 1,nb
c%icp(j) = nzc
nrc = 0
do k = b%icp(j), b%icp(j+1)-1
icl = b%ia(k)
cfb = b%val(k)
irwsz = a%icp(icl+1)-a%icp(icl)
do i = a%icp(icl),a%icp(icl+1)-1
irw = a%ia(i)
if (icol(irw)<j) then
nrc = nrc + 1
idxs(nrc) = irw
icol(irw) = j
end if
col(irw) = col(irw) + cfb*a%val(i)
end do
end do
if (nrc > 0 ) then
if ((nzc+nrc)>nze) then
nze = max(nb*((nzc+j-1)/j),nzc+2*nrc)
call psb_realloc(nze,c%val,info)
if (info == 0) call psb_realloc(nze,c%ia,info)
if (info /= 0) return
end if
call psb_msort(idxs(1:nrc))
do i=1, nrc
irw = idxs(i)
c%ia(nzc) = irw
c%val(nzc) = col(irw)
col(irw) = dzero
nzc = nzc + 1
end do
end if
end do
c%icp(nb+1) = nzc
end subroutine csc_spspmm
end subroutine psb_ldcscspspmm