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3503 lines
85 KiB
Fortran
3503 lines
85 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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! == ===================================
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!
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!
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!
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! Computational routines
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!
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!
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!
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!
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!
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!
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! == ===================================
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subroutine psb_d_csr_csmv(alpha,a,x,beta,y,info,trans)
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use psb_error_mod
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use psb_string_mod
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use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_csmv
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implicit none
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class(psb_d_csr_sparse_mat), intent(in) :: a
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real(psb_dpk_), intent(in) :: alpha, beta, x(:)
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real(psb_dpk_), intent(inout) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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character :: trans_
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integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc
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real(psb_dpk_) :: acc
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logical :: tra, ctra
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integer(psb_ipk_) :: err_act
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integer(psb_ipk_) :: ierr(5)
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character(len=20) :: name='d_csr_csmv'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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info = psb_success_
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if (a%is_dev()) call a%sync()
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if (present(trans)) then
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trans_ = trans
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else
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trans_ = 'N'
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end if
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if (.not.a%is_asb()) then
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info = psb_err_invalid_mat_state_
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call psb_errpush(info,name)
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goto 9999
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endif
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tra = (psb_toupper(trans_) == 'T')
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ctra = (psb_toupper(trans_) == 'C')
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if (tra.or.ctra) then
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m = a%get_ncols()
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n = a%get_nrows()
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else
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n = a%get_ncols()
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m = a%get_nrows()
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end if
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if (size(x,1)<n) then
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info = psb_err_input_asize_small_i_
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ierr(1) = 3; ierr(2) = size(x); ierr(3) = n;
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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if (size(y,1)<m) then
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info = psb_err_input_asize_small_i_
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ierr(1) = 5; ierr(2) = size(y); ierr(3) =m;
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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call psb_d_csr_csmv_inner(m,n,alpha,a%irp,a%ja,a%val,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,tra,ctra)
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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contains
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subroutine psb_d_csr_csmv_inner(m,n,alpha,irp,ja,val,is_triangle,is_unit,&
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& x,beta,y,tra,ctra)
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integer(psb_ipk_), intent(in) :: m,n,irp(*),ja(*)
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real(psb_dpk_), intent(in) :: alpha, beta, x(*),val(*)
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real(psb_dpk_), intent(inout) :: y(*)
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logical, intent(in) :: is_triangle,is_unit,tra, ctra
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integer(psb_ipk_) :: i,j,k, ir, jc
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real(psb_dpk_) :: acc
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if (alpha == dzero) then
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if (beta == dzero) then
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do i = 1, m
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y(i) = dzero
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enddo
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else
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do i = 1, m
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y(i) = beta*y(i)
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end do
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endif
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return
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end if
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if ((.not.tra).and.(.not.ctra)) then
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if (beta == dzero) then
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if (alpha == done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = acc
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end do
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else if (alpha == -done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = -acc
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end do
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else
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = alpha*acc
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end do
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end if
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else if (beta == done) then
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if (alpha == done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = y(i) + acc
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end do
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else if (alpha == -done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = y(i) -acc
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end do
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else
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = y(i) + alpha*acc
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end do
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end if
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else if (beta == -done) then
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if (alpha == done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = -y(i) + acc
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end do
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else if (alpha == -done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = -y(i) -acc
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end do
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else
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = -y(i) + alpha*acc
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end do
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end if
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else
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if (alpha == done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = beta*y(i) + acc
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end do
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else if (alpha == -done) then
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = beta*y(i) - acc
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end do
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else
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do i=1,m
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acc = dzero
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do j=irp(i), irp(i+1)-1
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acc = acc + val(j) * x(ja(j))
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enddo
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y(i) = beta*y(i) + alpha*acc
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end do
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end if
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end if
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else if (tra) then
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if (beta == dzero) then
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do i=1, m
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y(i) = dzero
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end do
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else if (beta == done) then
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! Do nothing
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else if (beta == -done) then
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do i=1, m
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y(i) = -y(i)
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end do
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else
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do i=1, m
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y(i) = beta*y(i)
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end do
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end if
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if (alpha == done) then
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do i=1,n
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do j=irp(i), irp(i+1)-1
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ir = ja(j)
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y(ir) = y(ir) + val(j)*x(i)
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end do
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enddo
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else if (alpha == -done) then
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|
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do i=1,n
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do j=irp(i), irp(i+1)-1
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ir = ja(j)
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y(ir) = y(ir) - val(j)*x(i)
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end do
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enddo
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else
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do i=1,n
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do j=irp(i), irp(i+1)-1
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ir = ja(j)
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y(ir) = y(ir) + alpha*val(j)*x(i)
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end do
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enddo
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end if
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else if (ctra) then
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if (beta == dzero) then
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do i=1, m
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y(i) = dzero
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end do
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else if (beta == done) then
|
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! Do nothing
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else if (beta == -done) then
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do i=1, m
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y(i) = -y(i)
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end do
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else
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do i=1, m
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y(i) = beta*y(i)
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end do
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end if
|
|
|
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if (alpha == done) then
|
|
|
|
do i=1,n
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do j=irp(i), irp(i+1)-1
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ir = ja(j)
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y(ir) = y(ir) + (val(j))*x(i)
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end do
|
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enddo
|
|
|
|
else if (alpha == -done) then
|
|
|
|
do i=1,n
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do j=irp(i), irp(i+1)-1
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ir = ja(j)
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y(ir) = y(ir) - (val(j))*x(i)
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end do
|
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enddo
|
|
|
|
else
|
|
|
|
do i=1,n
|
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do j=irp(i), irp(i+1)-1
|
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ir = ja(j)
|
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y(ir) = y(ir) + alpha*(val(j))*x(i)
|
|
end do
|
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enddo
|
|
|
|
end if
|
|
|
|
endif
|
|
|
|
if (is_unit) then
|
|
do i=1, min(m,n)
|
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y(i) = y(i) + alpha*x(i)
|
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end do
|
|
end if
|
|
|
|
|
|
end subroutine psb_d_csr_csmv_inner
|
|
|
|
|
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end subroutine psb_d_csr_csmv
|
|
|
|
subroutine psb_d_csr_csmm(alpha,a,x,beta,y,info,trans)
|
|
use psb_error_mod
|
|
use psb_string_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_csmm
|
|
implicit none
|
|
class(psb_d_csr_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, ctra
|
|
integer(psb_ipk_) :: err_act
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='d_csr_csmm'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
if (a%is_dev()) call a%sync()
|
|
|
|
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')
|
|
ctra = (psb_toupper(trans_) == 'C')
|
|
|
|
if (tra.or.ctra) 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
|
|
|
|
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
|
|
|
|
call psb_d_csr_csmm_inner(m,n,nc,alpha,a%irp,a%ja,a%val, &
|
|
& a%is_triangle(),a%is_unit(),x,size(x,1,kind=psb_ipk_), &
|
|
& beta,y,size(y,1,kind=psb_ipk_),tra,ctra,acc)
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
contains
|
|
subroutine psb_d_csr_csmm_inner(m,n,nc,alpha,irp,ja,val,&
|
|
& is_triangle,is_unit,x,ldx,beta,y,ldy,tra,ctra,acc)
|
|
integer(psb_ipk_), intent(in) :: m,n,ldx,ldy,nc,irp(*),ja(*)
|
|
real(psb_dpk_), intent(in) :: alpha, beta, x(ldx,*),val(*)
|
|
real(psb_dpk_), intent(inout) :: y(ldy,*)
|
|
logical, intent(in) :: is_triangle,is_unit,tra,ctra
|
|
|
|
real(psb_dpk_), intent(inout) :: acc(*)
|
|
integer(psb_ipk_) :: i,j,k, ir, jc
|
|
|
|
|
|
if (alpha == dzero) then
|
|
if (beta == dzero) then
|
|
do i = 1, m
|
|
y(i,1:nc) = dzero
|
|
enddo
|
|
else
|
|
do i = 1, m
|
|
y(i,1:nc) = beta*y(i,1:nc)
|
|
end do
|
|
endif
|
|
return
|
|
end if
|
|
|
|
if ((.not.tra).and.(.not.ctra)) then
|
|
if (beta == dzero) then
|
|
|
|
if (alpha == done) then
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = acc(1:nc)
|
|
end do
|
|
|
|
else if (alpha == -done) then
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = -acc(1:nc)
|
|
end do
|
|
|
|
else
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = alpha*acc(1:nc)
|
|
end do
|
|
|
|
end if
|
|
|
|
|
|
else if (beta == done) then
|
|
|
|
if (alpha == done) then
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = y(i,1:nc) + acc(1:nc)
|
|
end do
|
|
|
|
else if (alpha == -done) then
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = y(i,1:nc) -acc(1:nc)
|
|
end do
|
|
|
|
else
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = y(i,1:nc) + alpha*acc(1:nc)
|
|
end do
|
|
|
|
end if
|
|
|
|
else if (beta == -done) then
|
|
|
|
if (alpha == done) then
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = -y(i,1:nc) + acc(1:nc)
|
|
end do
|
|
|
|
else if (alpha == -done) then
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = -y(i,1:nc) -acc(1:nc)
|
|
end do
|
|
|
|
else
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = -y(i,1:nc) + alpha*acc(1:nc)
|
|
end do
|
|
|
|
end if
|
|
|
|
else
|
|
|
|
if (alpha == done) then
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = beta*y(i,1:nc) + acc(1:nc)
|
|
end do
|
|
|
|
else if (alpha == -done) then
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = beta*y(i,1:nc) - acc(1:nc)
|
|
end do
|
|
|
|
else
|
|
|
|
do i=1,m
|
|
acc(1:nc) = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc(1:nc) = acc(1:nc) + val(j) * x(ja(j),1:nc)
|
|
enddo
|
|
y(i,1:nc) = beta*y(i,1:nc) + alpha*acc(1:nc)
|
|
end do
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
else if (tra) then
|
|
|
|
if (beta == dzero) then
|
|
do i=1, m
|
|
y(i,1:nc) = dzero
|
|
end do
|
|
else if (beta == done) then
|
|
! Do nothing
|
|
else if (beta == -done) then
|
|
do i=1, m
|
|
y(i,1:nc) = -y(i,1:nc)
|
|
end do
|
|
else
|
|
do i=1, m
|
|
y(i,1:nc) = beta*y(i,1:nc)
|
|
end do
|
|
end if
|
|
|
|
if (alpha == done) then
|
|
|
|
do i=1,n
|
|
do j=irp(i), irp(i+1)-1
|
|
ir = ja(j)
|
|
y(ir,1:nc) = y(ir,1:nc) + val(j)*x(i,1:nc)
|
|
end do
|
|
enddo
|
|
|
|
else if (alpha == -done) then
|
|
|
|
do i=1,n
|
|
do j=irp(i), irp(i+1)-1
|
|
ir = ja(j)
|
|
y(ir,1:nc) = y(ir,1:nc) - val(j)*x(i,1:nc)
|
|
end do
|
|
enddo
|
|
|
|
else
|
|
|
|
do i=1,n
|
|
do j=irp(i), irp(i+1)-1
|
|
ir = ja(j)
|
|
y(ir,1:nc) = y(ir,1:nc) + alpha*val(j)*x(i,1:nc)
|
|
end do
|
|
enddo
|
|
|
|
end if
|
|
|
|
else if (ctra) then
|
|
|
|
if (beta == dzero) then
|
|
do i=1, m
|
|
y(i,1:nc) = dzero
|
|
end do
|
|
else if (beta == done) then
|
|
! Do nothing
|
|
else if (beta == -done) then
|
|
do i=1, m
|
|
y(i,1:nc) = -y(i,1:nc)
|
|
end do
|
|
else
|
|
do i=1, m
|
|
y(i,1:nc) = beta*y(i,1:nc)
|
|
end do
|
|
end if
|
|
|
|
if (alpha == done) then
|
|
|
|
do i=1,n
|
|
do j=irp(i), irp(i+1)-1
|
|
ir = ja(j)
|
|
y(ir,1:nc) = y(ir,1:nc) + (val(j))*x(i,1:nc)
|
|
end do
|
|
enddo
|
|
|
|
else if (alpha == -done) then
|
|
|
|
do i=1,n
|
|
do j=irp(i), irp(i+1)-1
|
|
ir = ja(j)
|
|
y(ir,1:nc) = y(ir,1:nc) - (val(j))*x(i,1:nc)
|
|
end do
|
|
enddo
|
|
|
|
else
|
|
|
|
do i=1,n
|
|
do j=irp(i), irp(i+1)-1
|
|
ir = ja(j)
|
|
y(ir,1:nc) = y(ir,1:nc) + alpha*(val(j))*x(i,1:nc)
|
|
end do
|
|
enddo
|
|
|
|
end if
|
|
|
|
endif
|
|
|
|
if (is_unit) then
|
|
do i=1, min(m,n)
|
|
y(i,1:nc) = y(i,1:nc) + alpha*x(i,1:nc)
|
|
end do
|
|
end if
|
|
|
|
end subroutine psb_d_csr_csmm_inner
|
|
|
|
end subroutine psb_d_csr_csmm
|
|
|
|
|
|
subroutine psb_d_csr_cssv(alpha,a,x,beta,y,info,trans)
|
|
use psb_error_mod
|
|
use psb_string_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_cssv
|
|
implicit none
|
|
class(psb_d_csr_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
|
|
real(psb_dpk_), allocatable :: tmp(:)
|
|
logical :: tra,ctra
|
|
integer(psb_ipk_) :: err_act
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='d_csr_cssv'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
if (a%is_dev()) call a%sync()
|
|
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')
|
|
ctra = (psb_toupper(trans_) == 'C')
|
|
m = a%get_nrows()
|
|
|
|
if (.not. (a%is_triangle())) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(x)<m) then
|
|
info = 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)<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_csrsv(tra,ctra,a%is_lower(),a%is_unit(),a%get_nrows(),&
|
|
& a%irp,a%ja,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
|
|
|
|
call inner_csrsv(tra,ctra,a%is_lower(),a%is_unit(),a%get_nrows(),&
|
|
& a%irp,a%ja,a%val,x,tmp)
|
|
|
|
call psb_geaxpby(m,alpha,tmp,beta,y,info)
|
|
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
contains
|
|
|
|
subroutine inner_csrsv(tra,ctra,lower,unit,n,irp,ja,val,x,y)
|
|
implicit none
|
|
logical, intent(in) :: tra,ctra,lower,unit
|
|
integer(psb_ipk_), intent(in) :: irp(*), ja(*),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 ((.not.tra).and.(.not.ctra)) then
|
|
|
|
if (lower) then
|
|
if (unit) then
|
|
do i=1, n
|
|
acc = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc = acc + val(j)*y(ja(j))
|
|
end do
|
|
y(i) = x(i) - acc
|
|
end do
|
|
else if (.not.unit) then
|
|
do i=1, n
|
|
acc = dzero
|
|
do j=irp(i), irp(i+1)-2
|
|
acc = acc + val(j)*y(ja(j))
|
|
end do
|
|
y(i) = (x(i) - acc)/val(irp(i+1)-1)
|
|
end do
|
|
end if
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
do i=n, 1, -1
|
|
acc = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc = acc + val(j)*y(ja(j))
|
|
end do
|
|
y(i) = x(i) - acc
|
|
end do
|
|
else if (.not.unit) then
|
|
do i=n, 1, -1
|
|
acc = dzero
|
|
do j=irp(i)+1, irp(i+1)-1
|
|
acc = acc + val(j)*y(ja(j))
|
|
end do
|
|
y(i) = (x(i) - acc)/val(irp(i))
|
|
end do
|
|
end if
|
|
|
|
end if
|
|
|
|
else if (tra) then
|
|
|
|
do i=1, n
|
|
y(i) = x(i)
|
|
end do
|
|
|
|
if (lower) then
|
|
if (unit) then
|
|
do i=n, 1, -1
|
|
acc = y(i)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i+1)-1)
|
|
acc = y(i)
|
|
do j=irp(i), irp(i+1)-2
|
|
jc = ja(j)
|
|
y(jc) = y(jc) - val(j)*acc
|
|
end do
|
|
end do
|
|
end if
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
do i=1, n
|
|
acc = y(i)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i))
|
|
acc = y(i)
|
|
do j=irp(i)+1, irp(i+1)-1
|
|
jc = ja(j)
|
|
y(jc) = y(jc) - val(j)*acc
|
|
end do
|
|
end do
|
|
end if
|
|
|
|
end if
|
|
|
|
else if (ctra) then
|
|
|
|
do i=1, n
|
|
y(i) = x(i)
|
|
end do
|
|
|
|
if (lower) then
|
|
if (unit) then
|
|
do i=n, 1, -1
|
|
acc = y(i)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i+1)-1)
|
|
acc = y(i)
|
|
do j=irp(i), irp(i+1)-2
|
|
jc = ja(j)
|
|
y(jc) = y(jc) - (val(j))*acc
|
|
end do
|
|
end do
|
|
end if
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
do i=1, n
|
|
acc = y(i)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i))
|
|
acc = y(i)
|
|
do j=irp(i)+1, irp(i+1)-1
|
|
jc = ja(j)
|
|
y(jc) = y(jc) - (val(j))*acc
|
|
end do
|
|
end do
|
|
end if
|
|
|
|
end if
|
|
end if
|
|
end subroutine inner_csrsv
|
|
|
|
end subroutine psb_d_csr_cssv
|
|
|
|
|
|
|
|
subroutine psb_d_csr_cssm(alpha,a,x,beta,y,info,trans)
|
|
use psb_error_mod
|
|
use psb_string_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_cssm
|
|
implicit none
|
|
class(psb_d_csr_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, ctra
|
|
integer(psb_ipk_) :: err_act
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='d_csr_cssm'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
|
|
if (a%is_dev()) call a%sync()
|
|
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')
|
|
ctra = (psb_toupper(trans_) == 'C')
|
|
|
|
m = a%get_nrows()
|
|
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_csrsm(tra,ctra,a%is_lower(),a%is_unit(),a%get_nrows(),nc,&
|
|
& a%irp,a%ja,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
|
|
|
|
call inner_csrsm(tra,ctra,a%is_lower(),a%is_unit(),a%get_nrows(),nc,&
|
|
& a%irp,a%ja,a%val,x,size(x,1,kind=psb_ipk_),tmp,size(tmp,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_csrsm')
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
|
|
contains
|
|
|
|
subroutine inner_csrsm(tra,ctra,lower,unit,nr,nc,&
|
|
& irp,ja,val,x,ldx,y,ldy,info)
|
|
implicit none
|
|
logical, intent(in) :: tra,ctra,lower,unit
|
|
integer(psb_ipk_), intent(in) :: nr,nc,ldx,ldy,irp(*),ja(*)
|
|
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 ((.not.tra).and.(.not.ctra)) then
|
|
if (lower) then
|
|
if (unit) then
|
|
do i=1, nr
|
|
acc = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc = acc + val(j)*y(ja(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=irp(i), irp(i+1)-2
|
|
acc = acc + val(j)*y(ja(j),1:nc)
|
|
end do
|
|
y(i,1:nc) = (x(i,1:nc) - acc)/val(irp(i+1)-1)
|
|
end do
|
|
end if
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
do i=nr, 1, -1
|
|
acc = dzero
|
|
do j=irp(i), irp(i+1)-1
|
|
acc = acc + val(j)*y(ja(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=irp(i)+1, irp(i+1)-1
|
|
acc = acc + val(j)*y(ja(j),1:nc)
|
|
end do
|
|
y(i,1:nc) = (x(i,1:nc) - acc)/val(irp(i))
|
|
end do
|
|
end if
|
|
|
|
end if
|
|
|
|
else if (tra) then
|
|
|
|
do i=1, nr
|
|
y(i,1:nc) = x(i,1:nc)
|
|
end do
|
|
|
|
if (lower) then
|
|
if (unit) then
|
|
do i=nr, 1, -1
|
|
acc = y(i,1:nc)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i+1)-1)
|
|
acc = y(i,1:nc)
|
|
do j=irp(i), irp(i+1)-2
|
|
jc = ja(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=1, nr
|
|
acc = y(i,1:nc)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i))
|
|
acc = y(i,1:nc)
|
|
do j=irp(i)+1, irp(i+1)-1
|
|
jc = ja(j)
|
|
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc
|
|
end do
|
|
end do
|
|
end if
|
|
|
|
end if
|
|
|
|
else if (ctra) then
|
|
|
|
do i=1, nr
|
|
y(i,1:nc) = x(i,1:nc)
|
|
end do
|
|
|
|
if (lower) then
|
|
if (unit) then
|
|
do i=nr, 1, -1
|
|
acc = y(i,1:nc)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i+1)-1))
|
|
acc = y(i,1:nc)
|
|
do j=irp(i), irp(i+1)-2
|
|
jc = ja(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=1, nr
|
|
acc = y(i,1:nc)
|
|
do j=irp(i), irp(i+1)-1
|
|
jc = ja(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(irp(i)))
|
|
acc = y(i,1:nc)
|
|
do j=irp(i)+1, irp(i+1)-1
|
|
jc = ja(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_csrsm
|
|
|
|
end subroutine psb_d_csr_cssm
|
|
|
|
function psb_d_csr_maxval(a) result(res)
|
|
use psb_error_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_maxval
|
|
implicit none
|
|
class(psb_d_csr_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_csr_maxval'
|
|
logical, parameter :: debug=.false.
|
|
|
|
if (a%is_dev()) call a%sync()
|
|
|
|
res = dzero
|
|
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_csr_maxval
|
|
|
|
function psb_d_csr_csnmi(a) result(res)
|
|
use psb_error_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_csnmi
|
|
implicit none
|
|
class(psb_d_csr_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_) :: res
|
|
|
|
integer(psb_ipk_) :: i,j,k,m,n, nr, ir, jc, nc
|
|
real(psb_dpk_) :: acc
|
|
logical :: tra
|
|
integer(psb_ipk_) :: err_act
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='d_csnmi'
|
|
logical, parameter :: debug=.false.
|
|
|
|
|
|
res = dzero
|
|
if (a%is_dev()) call a%sync()
|
|
|
|
do i = 1, a%get_nrows()
|
|
acc = dzero
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
acc = acc + abs(a%val(j))
|
|
end do
|
|
res = max(res,acc)
|
|
end do
|
|
|
|
end function psb_d_csr_csnmi
|
|
|
|
subroutine psb_d_csr_rowsum(d,a)
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_rowsum
|
|
class(psb_d_csr_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_nrows()
|
|
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
|
|
|
|
do i = 1, a%get_nrows()
|
|
d(i) = dzero
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
d(i) = d(i) + (a%val(j))
|
|
end do
|
|
end do
|
|
|
|
if (a%is_unit()) then
|
|
do i=1, m
|
|
d(i) = d(i) + done
|
|
end do
|
|
end if
|
|
|
|
return
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_d_csr_rowsum
|
|
|
|
subroutine psb_d_csr_arwsum(d,a)
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_arwsum
|
|
class(psb_d_csr_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_nrows()
|
|
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
|
|
|
|
|
|
do i = 1, a%get_nrows()
|
|
d(i) = dzero
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
d(i) = d(i) + abs(a%val(j))
|
|
end do
|
|
end do
|
|
|
|
if (a%is_unit()) then
|
|
do i=1, m
|
|
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_csr_arwsum
|
|
|
|
subroutine psb_d_csr_colsum(d,a)
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_colsum
|
|
class(psb_d_csr_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='colsum'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
if (a%is_dev()) call a%sync()
|
|
|
|
m = a%get_nrows()
|
|
n = a%get_ncols()
|
|
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
|
|
|
|
d = dzero
|
|
|
|
do i=1, m
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
k = a%ja(j)
|
|
d(k) = d(k) + (a%val(j))
|
|
end do
|
|
end do
|
|
|
|
if (a%is_unit()) then
|
|
do i=1, n
|
|
d(i) = d(i) + done
|
|
end do
|
|
end if
|
|
|
|
return
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_d_csr_colsum
|
|
|
|
subroutine psb_d_csr_aclsum(d,a)
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_aclsum
|
|
class(psb_d_csr_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='aclsum'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
if (a%is_dev()) call a%sync()
|
|
|
|
m = a%get_nrows()
|
|
n = a%get_ncols()
|
|
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
|
|
|
|
d = dzero
|
|
|
|
do i=1, m
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
k = a%ja(j)
|
|
d(k) = d(k) + abs(a%val(j))
|
|
end do
|
|
end do
|
|
|
|
if (a%is_unit()) then
|
|
do i=1, n
|
|
d(i) = d(i) + done
|
|
end do
|
|
end if
|
|
|
|
return
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_d_csr_aclsum
|
|
|
|
subroutine psb_d_csr_get_diag(a,d,info)
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_get_diag
|
|
implicit none
|
|
class(psb_d_csr_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%irp(i),a%irp(i+1)-1
|
|
j=a%ja(k)
|
|
if ((j == i) .and.(j <= mnm )) then
|
|
d(i) = a%val(k)
|
|
endif
|
|
enddo
|
|
end do
|
|
end if
|
|
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_csr_get_diag
|
|
|
|
|
|
subroutine psb_d_csr_scal(d,a,info,side)
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_scal
|
|
use psb_string_mod
|
|
implicit none
|
|
class(psb_d_csr_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, m
|
|
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()
|
|
|
|
if (a%is_unit()) then
|
|
call a%make_nonunit()
|
|
end if
|
|
|
|
side_ = 'L'
|
|
if (present(side)) then
|
|
side_ = psb_toupper(side)
|
|
end if
|
|
|
|
left = (side_ == 'L')
|
|
|
|
if (left) then
|
|
m = a%get_nrows()
|
|
if (size(d) < m) 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, m
|
|
do j = a%irp(i), a%irp(i+1) -1
|
|
a%val(j) = a%val(j) * d(i)
|
|
end do
|
|
enddo
|
|
else
|
|
m = a%get_ncols()
|
|
if (size(d) < m) 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()
|
|
j = a%ja(i)
|
|
a%val(i) = a%val(i) * d(j)
|
|
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_csr_scal
|
|
|
|
|
|
subroutine psb_d_csr_scals(d,a,info)
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_scals
|
|
implicit none
|
|
class(psb_d_csr_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_csr_scals
|
|
|
|
|
|
|
|
|
|
! == ===================================
|
|
!
|
|
!
|
|
!
|
|
! Data management
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
! == ===================================
|
|
|
|
|
|
subroutine psb_d_csr_reallocate_nz(nz,a)
|
|
use psb_error_mod
|
|
use psb_realloc_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_reallocate_nz
|
|
implicit none
|
|
integer(psb_ipk_), intent(in) :: nz
|
|
class(psb_d_csr_sparse_mat), intent(inout) :: a
|
|
integer(psb_ipk_) :: err_act, info
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='d_csr_reallocate_nz'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
call psb_realloc(max(nz,ione),a%ja,info)
|
|
if (info == psb_success_) call psb_realloc(max(nz,ione),a%val,info)
|
|
if (info == psb_success_) call psb_realloc(&
|
|
& max(nz,a%get_nrows()+1,a%get_ncols()+1),a%irp,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_csr_reallocate_nz
|
|
|
|
subroutine psb_d_csr_mold(a,b,info)
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_mold
|
|
use psb_error_mod
|
|
implicit none
|
|
class(psb_d_csr_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='csr_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_csr_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_csr_mold
|
|
|
|
subroutine psb_d_csr_allocate_mnnz(m,n,a,nz)
|
|
use psb_error_mod
|
|
use psb_realloc_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_allocate_mnnz
|
|
implicit none
|
|
integer(psb_ipk_), intent(in) :: m,n
|
|
class(psb_d_csr_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(m+1,a%irp,info)
|
|
if (info == psb_success_) call psb_realloc(nz_,a%ja,info)
|
|
if (info == psb_success_) call psb_realloc(nz_,a%val,info)
|
|
if (info == psb_success_) then
|
|
a%irp=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_csr_allocate_mnnz
|
|
|
|
|
|
subroutine psb_d_csr_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_csr_mat_mod, psb_protect_name => psb_d_csr_csgetptn
|
|
implicit none
|
|
|
|
class(psb_d_csr_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 csr_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 csr_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_csr_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,nrd,ncd
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
character(len=20) :: name='csr_getptn'
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
nza = a%get_nzeros()
|
|
irw = imin
|
|
lrw = min(imax,a%get_nrows())
|
|
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
|
|
!
|
|
! This is a row-oriented routine, so the following is a
|
|
! good choice.
|
|
!
|
|
nzt = (a%irp(lrw+1)-a%irp(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
|
|
|
|
if (present(iren)) then
|
|
do i=irw, lrw
|
|
do j=a%irp(i), a%irp(i+1) - 1
|
|
if ((jmin <= a%ja(j)).and.(a%ja(j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
ia(nzin_) = iren(i)
|
|
ja(nzin_) = iren(a%ja(j))
|
|
end if
|
|
enddo
|
|
end do
|
|
else
|
|
do i=irw, lrw
|
|
do j=a%irp(i), a%irp(i+1) - 1
|
|
if ((jmin <= a%ja(j)).and.(a%ja(j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
ia(nzin_) = (i)
|
|
ja(nzin_) = (a%ja(j))
|
|
end if
|
|
enddo
|
|
end do
|
|
end if
|
|
|
|
end subroutine csr_getptn
|
|
|
|
end subroutine psb_d_csr_csgetptn
|
|
|
|
|
|
subroutine psb_d_csr_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_csr_mat_mod, psb_protect_name => psb_d_csr_csgetrow
|
|
implicit none
|
|
|
|
class(psb_d_csr_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_, chksz_
|
|
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 (present(chksz)) then
|
|
chksz_ = chksz
|
|
else
|
|
chksz_ = .true.
|
|
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 csr_getrow(imin,imax,jmin_,jmax_,a,nz,ia,ja,val,nzin_,append_,chksz_,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 csr_getrow(imin,imax,jmin,jmax,a,nz,ia,ja,val,nzin,append,chksz,info,&
|
|
& iren)
|
|
|
|
use psb_const_mod
|
|
use psb_error_mod
|
|
use psb_realloc_mod
|
|
use psb_sort_mod
|
|
implicit none
|
|
|
|
class(psb_d_csr_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, chksz
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_ipk_), optional :: iren(:)
|
|
integer(psb_ipk_) :: nzin_, nza, idx,i,j,k, nzt, irw, lrw, icl,lcl, 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
|
|
|
|
!
|
|
! This is a row-oriented routine, so the following is a
|
|
! good choice.
|
|
!
|
|
nzt = (a%irp(lrw+1)-a%irp(irw))
|
|
nz = 0
|
|
|
|
if (chksz) then
|
|
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
|
|
end if
|
|
|
|
if (present(iren)) then
|
|
do i=irw, lrw
|
|
do j=a%irp(i), a%irp(i+1) - 1
|
|
if ((jmin <= a%ja(j)).and.(a%ja(j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
val(nzin_) = a%val(j)
|
|
ia(nzin_) = iren(i)
|
|
ja(nzin_) = iren(a%ja(j))
|
|
end if
|
|
enddo
|
|
end do
|
|
else
|
|
do i=irw, lrw
|
|
do j=a%irp(i), a%irp(i+1) - 1
|
|
if ((jmin <= a%ja(j)).and.(a%ja(j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
val(nzin_) = a%val(j)
|
|
ia(nzin_) = (i)
|
|
ja(nzin_) = (a%ja(j))
|
|
end if
|
|
enddo
|
|
end do
|
|
end if
|
|
|
|
end subroutine csr_getrow
|
|
|
|
end subroutine psb_d_csr_csgetrow
|
|
|
|
!!$subroutine psb_d_csr_csgetblk(imin,imax,a,b,info,&
|
|
!!$ & jmin,jmax,iren,append,rscale,cscale)
|
|
!!$ ! Output is always in COO format
|
|
!!$ use psb_error_mod
|
|
!!$ use psb_const_mod
|
|
!!$ use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_csgetblk
|
|
!!$ implicit none
|
|
!!$
|
|
!!$ class(psb_d_csr_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_csr_csgetblk
|
|
|
|
!
|
|
! CSR implementation of tril/triu
|
|
!
|
|
subroutine psb_d_csr_tril(a,l,info,&
|
|
& diag,imin,imax,jmin,jmax,rscale,cscale,u)
|
|
! Output is always in COO format
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_tril
|
|
implicit none
|
|
|
|
class(psb_d_csr_sparse_mat), intent(in) :: a
|
|
class(psb_d_coo_sparse_mat), intent(out) :: l
|
|
integer(psb_ipk_),intent(out) :: info
|
|
integer(psb_ipk_), intent(in), optional :: diag,imin,imax,jmin,jmax
|
|
logical, intent(in), optional :: rscale,cscale
|
|
class(psb_d_coo_sparse_mat), optional, intent(out) :: u
|
|
|
|
integer(psb_ipk_) :: err_act, nzin, nzout, i, j, k
|
|
integer(psb_ipk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz
|
|
integer(psb_ipk_), allocatable :: ia(:), ja(:)
|
|
real(psb_dpk_), allocatable :: val(:)
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='tril'
|
|
logical :: rscale_, cscale_
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
|
|
if (present(diag)) then
|
|
diag_ = diag
|
|
else
|
|
diag_ = 0
|
|
end if
|
|
if (present(imin)) then
|
|
imin_ = imin
|
|
else
|
|
imin_ = 1
|
|
end if
|
|
if (present(imax)) then
|
|
imax_ = imax
|
|
else
|
|
imax_ = a%get_nrows()
|
|
end if
|
|
if (present(jmin)) then
|
|
jmin_ = jmin
|
|
else
|
|
jmin_ = 1
|
|
end if
|
|
if (present(jmax)) then
|
|
jmax_ = jmax
|
|
else
|
|
jmax_ = a%get_ncols()
|
|
end if
|
|
if (present(rscale)) then
|
|
rscale_ = rscale
|
|
else
|
|
rscale_ = .true.
|
|
end if
|
|
if (present(cscale)) then
|
|
cscale_ = cscale
|
|
else
|
|
cscale_ = .true.
|
|
end if
|
|
|
|
if (rscale_) then
|
|
mb = imax_ - imin_ +1
|
|
else
|
|
mb = imax_
|
|
endif
|
|
if (cscale_) then
|
|
nb = jmax_ - jmin_ +1
|
|
else
|
|
nb = jmax_
|
|
endif
|
|
|
|
|
|
nz = a%get_nzeros()
|
|
call l%allocate(mb,nb,nz)
|
|
|
|
if (present(u)) then
|
|
nzlin = l%get_nzeros() ! At this point it should be 0
|
|
call u%allocate(mb,nb,nz)
|
|
nzuin = u%get_nzeros() ! At this point it should be 0
|
|
associate(val =>a%val, ja => a%ja, irp=>a%irp)
|
|
do i=imin_,imax_
|
|
do k=irp(i),irp(i+1)-1
|
|
j = ja(k)
|
|
if ((jmin_<=j).and.(j<=jmax_)) then
|
|
if ((ja(k)-i)<=diag_) then
|
|
nzlin = nzlin + 1
|
|
l%ia(nzlin) = i
|
|
l%ja(nzlin) = ja(k)
|
|
l%val(nzlin) = val(k)
|
|
else
|
|
nzuin = nzuin + 1
|
|
u%ia(nzuin) = i
|
|
u%ja(nzuin) = ja(k)
|
|
u%val(nzuin) = val(k)
|
|
end if
|
|
end if
|
|
end do
|
|
end do
|
|
end associate
|
|
|
|
call l%set_nzeros(nzlin)
|
|
call u%set_nzeros(nzuin)
|
|
call u%fix(info)
|
|
nzout = u%get_nzeros()
|
|
if (rscale_) &
|
|
& u%ia(1:nzout) = u%ia(1:nzout) - imin_ + 1
|
|
if (cscale_) &
|
|
& u%ja(1:nzout) = u%ja(1:nzout) - jmin_ + 1
|
|
if ((diag_ >=-1).and.(imin_ == jmin_)) then
|
|
call u%set_triangle(.true.)
|
|
call u%set_lower(.false.)
|
|
end if
|
|
else
|
|
nzin = l%get_nzeros() ! At this point it should be 0
|
|
associate(val =>a%val, ja => a%ja, irp=>a%irp)
|
|
do i=imin_,imax_
|
|
do k=irp(i),irp(i+1)-1
|
|
if ((jmin_<=j).and.(j<=jmax_)) then
|
|
if ((ja(k)-i)<=diag_) then
|
|
nzin = nzin + 1
|
|
l%ia(nzin) = i
|
|
l%ja(nzin) = ja(k)
|
|
l%val(nzin) = val(k)
|
|
end if
|
|
end if
|
|
end do
|
|
end do
|
|
end associate
|
|
call l%set_nzeros(nzin)
|
|
end if
|
|
call l%fix(info)
|
|
nzout = l%get_nzeros()
|
|
if (rscale_) &
|
|
& l%ia(1:nzout) = l%ia(1:nzout) - imin_ + 1
|
|
if (cscale_) &
|
|
& l%ja(1:nzout) = l%ja(1:nzout) - jmin_ + 1
|
|
|
|
if ((diag_ <= 0).and.(imin_ == jmin_)) then
|
|
call l%set_triangle(.true.)
|
|
call l%set_lower(.true.)
|
|
end if
|
|
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_d_csr_tril
|
|
|
|
subroutine psb_d_csr_triu(a,u,info,&
|
|
& diag,imin,imax,jmin,jmax,rscale,cscale,l)
|
|
! Output is always in COO format
|
|
use psb_error_mod
|
|
use psb_const_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_triu
|
|
implicit none
|
|
|
|
class(psb_d_csr_sparse_mat), intent(in) :: a
|
|
class(psb_d_coo_sparse_mat), intent(out) :: u
|
|
integer(psb_ipk_),intent(out) :: info
|
|
integer(psb_ipk_), intent(in), optional :: diag,imin,imax,jmin,jmax
|
|
logical, intent(in), optional :: rscale,cscale
|
|
class(psb_d_coo_sparse_mat), optional, intent(out) :: l
|
|
|
|
integer(psb_ipk_) :: err_act, nzin, nzout, i, j, k
|
|
integer(psb_ipk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz
|
|
integer(psb_ipk_), allocatable :: ia(:), ja(:)
|
|
real(psb_dpk_), allocatable :: val(:)
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='triu'
|
|
logical :: rscale_, cscale_
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
|
|
if (present(diag)) then
|
|
diag_ = diag
|
|
else
|
|
diag_ = 0
|
|
end if
|
|
if (present(imin)) then
|
|
imin_ = imin
|
|
else
|
|
imin_ = 1
|
|
end if
|
|
if (present(imax)) then
|
|
imax_ = imax
|
|
else
|
|
imax_ = a%get_nrows()
|
|
end if
|
|
if (present(jmin)) then
|
|
jmin_ = jmin
|
|
else
|
|
jmin_ = 1
|
|
end if
|
|
if (present(jmax)) then
|
|
jmax_ = jmax
|
|
else
|
|
jmax_ = a%get_ncols()
|
|
end if
|
|
if (present(rscale)) then
|
|
rscale_ = rscale
|
|
else
|
|
rscale_ = .true.
|
|
end if
|
|
if (present(cscale)) then
|
|
cscale_ = cscale
|
|
else
|
|
cscale_ = .true.
|
|
end if
|
|
|
|
if (rscale_) then
|
|
mb = imax_ - imin_ +1
|
|
else
|
|
mb = imax_
|
|
endif
|
|
if (cscale_) then
|
|
nb = jmax_ - jmin_ +1
|
|
else
|
|
nb = jmax_
|
|
endif
|
|
|
|
|
|
nz = a%get_nzeros()
|
|
call u%allocate(mb,nb,nz)
|
|
|
|
if (present(l)) then
|
|
nzuin = u%get_nzeros() ! At this point it should be 0
|
|
call l%allocate(mb,nb,nz)
|
|
nzlin = l%get_nzeros() ! At this point it should be 0
|
|
associate(val =>a%val, ja => a%ja, irp=>a%irp)
|
|
do i=imin_,imax_
|
|
do k=irp(i),irp(i+1)-1
|
|
j = ja(k)
|
|
if ((jmin_<=j).and.(j<=jmax_)) then
|
|
if ((ja(k)-i)<diag_) then
|
|
nzlin = nzlin + 1
|
|
l%ia(nzlin) = i
|
|
l%ja(nzlin) = ja(k)
|
|
l%val(nzlin) = val(k)
|
|
else
|
|
nzuin = nzuin + 1
|
|
u%ia(nzuin) = i
|
|
u%ja(nzuin) = ja(k)
|
|
u%val(nzuin) = val(k)
|
|
end if
|
|
end if
|
|
end do
|
|
end do
|
|
end associate
|
|
call u%set_nzeros(nzuin)
|
|
call l%set_nzeros(nzlin)
|
|
call l%fix(info)
|
|
nzout = l%get_nzeros()
|
|
if (rscale_) &
|
|
& l%ia(1:nzout) = l%ia(1:nzout) - imin_ + 1
|
|
if (cscale_) &
|
|
& l%ja(1:nzout) = l%ja(1:nzout) - jmin_ + 1
|
|
if ((diag_ <=1).and.(imin_ == jmin_)) then
|
|
call l%set_triangle(.true.)
|
|
call l%set_lower(.true.)
|
|
end if
|
|
else
|
|
nzin = u%get_nzeros() ! At this point it should be 0
|
|
associate(val =>a%val, ja => a%ja, irp=>a%irp)
|
|
do i=imin_,imax_
|
|
do k=irp(i),irp(i+1)-1
|
|
if ((jmin_<=j).and.(j<=jmax_)) then
|
|
if ((ja(k)-i)>=diag_) then
|
|
nzin = nzin + 1
|
|
u%ia(nzin) = i
|
|
u%ja(nzin) = ja(k)
|
|
u%val(nzin) = val(k)
|
|
end if
|
|
end if
|
|
end do
|
|
end do
|
|
end associate
|
|
call u%set_nzeros(nzin)
|
|
end if
|
|
call u%fix(info)
|
|
nzout = u%get_nzeros()
|
|
if (rscale_) &
|
|
& u%ia(1:nzout) = u%ia(1:nzout) - imin_ + 1
|
|
if (cscale_) &
|
|
& u%ja(1:nzout) = u%ja(1:nzout) - jmin_ + 1
|
|
|
|
if ((diag_ >= 0).and.(imin_ == jmin_)) then
|
|
call u%set_triangle(.true.)
|
|
call u%set_upper(.true.)
|
|
end if
|
|
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_d_csr_triu
|
|
|
|
|
|
subroutine psb_d_csr_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl)
|
|
use psb_error_mod
|
|
use psb_realloc_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_csput_a
|
|
implicit none
|
|
|
|
class(psb_d_csr_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_), intent(in), optional :: gtl(:)
|
|
|
|
|
|
integer(psb_ipk_) :: err_act
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='d_csr_csput_a'
|
|
logical, parameter :: debug=.false.
|
|
integer(psb_ipk_) :: nza, i,j,k, nzl, isza, debug_level, debug_unit
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
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
|
|
if (a%is_dev()) call a%sync()
|
|
|
|
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_csr_srch_upd(nz,ia,ja,val,a,&
|
|
& imin,imax,jmin,jmax,info,gtl)
|
|
|
|
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_csr_srch_upd(nz,ia,ja,val,a,&
|
|
& imin,imax,jmin,jmax,info,gtl)
|
|
|
|
use psb_const_mod
|
|
use psb_realloc_mod
|
|
use psb_string_mod
|
|
use psb_sort_mod
|
|
implicit none
|
|
|
|
class(psb_d_csr_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_), intent(in), optional :: gtl(:)
|
|
integer(psb_ipk_) :: i,ir,ic, ilr, ilc, ip, &
|
|
& i1,i2,nr,nc,nnz,dupl,ng
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
character(len=20) :: name='d_csr_srch_upd'
|
|
|
|
info = psb_success_
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
dupl = a%get_dupl()
|
|
|
|
if (.not.a%is_sorted()) then
|
|
info = -4
|
|
return
|
|
end if
|
|
|
|
ilr = -1
|
|
ilc = -1
|
|
nnz = a%get_nzeros()
|
|
nr = a%get_nrows()
|
|
nc = a%get_ncols()
|
|
|
|
if (present(gtl)) then
|
|
ng = size(gtl)
|
|
|
|
select case(dupl)
|
|
case(psb_dupl_ovwrt_,psb_dupl_err_)
|
|
! Overwrite.
|
|
! Cannot test for error, should have been caught earlier.
|
|
|
|
ilr = -1
|
|
ilc = -1
|
|
do i=1, nz
|
|
ir = ia(i)
|
|
ic = ja(i)
|
|
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
|
|
ir = gtl(ir)
|
|
ic = gtl(ic)
|
|
if ((ir > 0).and.(ir <= nr)) then
|
|
i1 = a%irp(ir)
|
|
i2 = a%irp(ir+1)
|
|
nc=i2-i1
|
|
|
|
ip = psb_ibsrch(ic,nc,a%ja(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
|
|
else
|
|
info = max(info,1)
|
|
end if
|
|
end do
|
|
|
|
case(psb_dupl_add_)
|
|
! Add
|
|
ilr = -1
|
|
ilc = -1
|
|
do i=1, nz
|
|
ir = ia(i)
|
|
ic = ja(i)
|
|
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
|
|
ir = gtl(ir)
|
|
ic = gtl(ic)
|
|
if ((ir > 0).and.(ir <= nr)) then
|
|
i1 = a%irp(ir)
|
|
i2 = a%irp(ir+1)
|
|
nc = i2-i1
|
|
ip = psb_ibsrch(ic,nc,a%ja(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
|
|
else
|
|
info = max(info,1)
|
|
end if
|
|
end do
|
|
|
|
case default
|
|
info = -3
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Duplicate handling: ',dupl
|
|
end select
|
|
|
|
else
|
|
|
|
select case(dupl)
|
|
case(psb_dupl_ovwrt_,psb_dupl_err_)
|
|
! Overwrite.
|
|
! Cannot test for error, should have been caught earlier.
|
|
|
|
ilr = -1
|
|
ilc = -1
|
|
do i=1, nz
|
|
ir = ia(i)
|
|
ic = ja(i)
|
|
|
|
if ((ir > 0).and.(ir <= nr)) then
|
|
|
|
i1 = a%irp(ir)
|
|
i2 = a%irp(ir+1)
|
|
nc=i2-i1
|
|
|
|
ip = psb_ibsrch(ic,nc,a%ja(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 ((ir > 0).and.(ir <= nr)) then
|
|
i1 = a%irp(ir)
|
|
i2 = a%irp(ir+1)
|
|
nc = i2-i1
|
|
ip = psb_ibsrch(ic,nc,a%ja(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 if
|
|
|
|
end subroutine psb_d_csr_srch_upd
|
|
|
|
end subroutine psb_d_csr_csput_a
|
|
|
|
|
|
subroutine psb_d_csr_reinit(a,clear)
|
|
use psb_error_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_reinit
|
|
implicit none
|
|
|
|
class(psb_d_csr_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_csr_reinit
|
|
|
|
subroutine psb_d_csr_trim(a)
|
|
use psb_realloc_mod
|
|
use psb_error_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_trim
|
|
implicit none
|
|
class(psb_d_csr_sparse_mat), intent(inout) :: a
|
|
integer(psb_ipk_) :: err_act, info, nz, m
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='trim'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
m = a%get_nrows()
|
|
nz = a%get_nzeros()
|
|
if (info == psb_success_) call psb_realloc(m+1,a%irp,info)
|
|
|
|
if (info == psb_success_) call psb_realloc(nz,a%ja,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_csr_trim
|
|
|
|
subroutine psb_d_csr_print(iout,a,iv,head,ivr,ivc)
|
|
use psb_string_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_print
|
|
implicit none
|
|
|
|
integer(psb_ipk_), intent(in) :: iout
|
|
class(psb_d_csr_sparse_mat), intent(in) :: a
|
|
integer(psb_ipk_), intent(in), optional :: iv(:)
|
|
character(len=*), optional :: head
|
|
integer(psb_ipk_), intent(in), optional :: ivr(:), ivc(:)
|
|
|
|
integer(psb_ipk_) :: err_act
|
|
integer(psb_ipk_) :: ierr(5)
|
|
character(len=20) :: name='d_csr_print'
|
|
logical, parameter :: debug=.false.
|
|
character(len=*), parameter :: datatype='real'
|
|
character(len=80) :: frmtv
|
|
integer(psb_ipk_) :: irs,ics,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()
|
|
nmx = max(nr,nc,1)
|
|
if (present(iv)) nmx = max(nmx,maxval(abs(iv)))
|
|
if (present(ivr)) nmx = max(nmx,maxval(abs(ivr)))
|
|
if (present(ivc)) nmx = max(nmx,maxval(abs(ivc)))
|
|
ni = floor(log10(1.0*nmx)) + 1
|
|
|
|
if (datatype=='real') then
|
|
write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))'
|
|
else
|
|
write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),2(es26.18,1x),2(i',ni,',1x))'
|
|
end if
|
|
write(iout,*) nr, nc, nz
|
|
if(present(iv)) then
|
|
do i=1, nr
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
write(iout,frmtv) iv(i),iv(a%ja(j)),a%val(j)
|
|
end do
|
|
enddo
|
|
else
|
|
if (present(ivr).and..not.present(ivc)) then
|
|
do i=1, nr
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
write(iout,frmtv) ivr(i),(a%ja(j)),a%val(j)
|
|
end do
|
|
enddo
|
|
else if (present(ivr).and.present(ivc)) then
|
|
do i=1, nr
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
write(iout,frmtv) ivr(i),ivc(a%ja(j)),a%val(j)
|
|
end do
|
|
enddo
|
|
else if (.not.present(ivr).and.present(ivc)) then
|
|
do i=1, nr
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
write(iout,frmtv) (i),ivc(a%ja(j)),a%val(j)
|
|
end do
|
|
enddo
|
|
else if (.not.present(ivr).and..not.present(ivc)) then
|
|
do i=1, nr
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
write(iout,frmtv) (i),(a%ja(j)),a%val(j)
|
|
end do
|
|
enddo
|
|
endif
|
|
endif
|
|
|
|
end subroutine psb_d_csr_print
|
|
|
|
|
|
subroutine psb_d_cp_csr_from_coo(a,b,info)
|
|
use psb_const_mod
|
|
use psb_realloc_mod
|
|
use psb_d_base_mat_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_cp_csr_from_coo
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
integer(psb_ipk_) :: nza, nr, nc, i,j,k,ip,irw, err_act, ncl
|
|
integer(psb_ipk_), Parameter :: maxtry=8
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
character(len=20) :: name='d_cp_csr_from_coo'
|
|
|
|
info = psb_success_
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
if (.not.b%is_by_rows()) then
|
|
! This is to have fix_coo called behind the scenes
|
|
call tmp%cp_from_coo(b,info)
|
|
if (info /= psb_success_) return
|
|
|
|
nr = tmp%get_nrows()
|
|
nc = tmp%get_ncols()
|
|
nza = tmp%get_nzeros()
|
|
|
|
a%psb_d_base_sparse_mat = tmp%psb_d_base_sparse_mat
|
|
|
|
! Dirty trick: call move_alloc to have the new data allocated just once.
|
|
call move_alloc(tmp%ia,itemp)
|
|
call move_alloc(tmp%ja,a%ja)
|
|
call move_alloc(tmp%val,a%val)
|
|
call psb_realloc(max(nr+1,nc+1),a%irp,info)
|
|
call tmp%free()
|
|
|
|
else
|
|
|
|
if (info /= psb_success_) return
|
|
if (b%is_dev()) call b%sync()
|
|
|
|
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 psb_safe_ab_cpy(b%ia,itemp,info)
|
|
if (info == psb_success_) call psb_safe_ab_cpy(b%ja,a%ja,info)
|
|
if (info == psb_success_) call psb_safe_ab_cpy(b%val,a%val,info)
|
|
if (info == psb_success_) call psb_realloc(max(nr+1,nc+1),a%irp,info)
|
|
|
|
endif
|
|
|
|
a%irp(:) = 0
|
|
do k=1,nza
|
|
i = itemp(k)
|
|
a%irp(i) = a%irp(i) + 1
|
|
end do
|
|
ip = 1
|
|
do i=1,nr
|
|
ncl = a%irp(i)
|
|
a%irp(i) = ip
|
|
ip = ip + ncl
|
|
end do
|
|
a%irp(nr+1) = ip
|
|
call a%set_host()
|
|
|
|
|
|
end subroutine psb_d_cp_csr_from_coo
|
|
|
|
|
|
|
|
subroutine psb_d_cp_csr_to_coo(a,b,info)
|
|
use psb_const_mod
|
|
use psb_d_base_mat_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_cp_csr_to_coo
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
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, nr
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
b%ia(j) = i
|
|
b%ja(j) = a%ja(j)
|
|
b%val(j) = a%val(j)
|
|
end do
|
|
end do
|
|
call b%set_nzeros(a%get_nzeros())
|
|
call b%set_sort_status(psb_row_major_)
|
|
call b%set_asb()
|
|
call b%set_host()
|
|
|
|
end subroutine psb_d_cp_csr_to_coo
|
|
|
|
|
|
subroutine psb_d_mv_csr_to_coo(a,b,info)
|
|
use psb_const_mod
|
|
use psb_realloc_mod
|
|
use psb_d_base_mat_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_mv_csr_to_coo
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
integer(psb_ipk_) :: nza, nr, nc,i,j,k,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%ja,b%ja)
|
|
call move_alloc(a%val,b%val)
|
|
call psb_realloc(nza,b%ia,info)
|
|
if (info /= psb_success_) return
|
|
do i=1, nr
|
|
do j=a%irp(i),a%irp(i+1)-1
|
|
b%ia(j) = i
|
|
end do
|
|
end do
|
|
call a%free()
|
|
call b%set_sort_status(psb_row_major_)
|
|
call b%set_asb()
|
|
call b%set_host()
|
|
|
|
end subroutine psb_d_mv_csr_to_coo
|
|
|
|
|
|
|
|
subroutine psb_d_mv_csr_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_csr_mat_mod, psb_protect_name => psb_d_mv_csr_from_coo
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
integer(psb_ipk_) :: nza, nr, nc, i,j,k, ip,irw, err_act, ncl
|
|
integer(psb_ipk_), Parameter :: maxtry=8
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
character(len=20) :: name='mv_from_coo'
|
|
|
|
info = psb_success_
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
if (b%is_dev()) call b%sync()
|
|
|
|
if (.not.b%is_by_rows()) call b%fix(info)
|
|
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%ia,itemp)
|
|
call move_alloc(b%ja,a%ja)
|
|
call move_alloc(b%val,a%val)
|
|
call psb_realloc(max(nr+1,nc+1),a%irp,info)
|
|
call b%free()
|
|
|
|
|
|
a%irp(:) = 0
|
|
do k=1,nza
|
|
i = itemp(k)
|
|
a%irp(i) = a%irp(i) + 1
|
|
end do
|
|
ip = 1
|
|
do i=1,nr
|
|
ncl = a%irp(i)
|
|
a%irp(i) = ip
|
|
ip = ip + ncl
|
|
end do
|
|
a%irp(nr+1) = ip
|
|
call a%set_host()
|
|
|
|
end subroutine psb_d_mv_csr_from_coo
|
|
|
|
|
|
subroutine psb_d_mv_csr_to_fmt(a,b,info)
|
|
use psb_const_mod
|
|
use psb_d_base_mat_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_mv_csr_to_fmt
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
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_csr_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%irp, b%irp)
|
|
call move_alloc(a%ja, b%ja)
|
|
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_csr_to_fmt
|
|
|
|
|
|
subroutine psb_d_cp_csr_to_fmt(a,b,info)
|
|
use psb_const_mod
|
|
use psb_d_base_mat_mod
|
|
use psb_realloc_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_cp_csr_to_fmt
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
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_csr_sparse_mat)
|
|
if (a%is_dev()) call a%sync()
|
|
b%psb_d_base_sparse_mat = a%psb_d_base_sparse_mat
|
|
nr = a%get_nrows()
|
|
nz = a%get_nzeros()
|
|
if (info == 0) call psb_safe_cpy( a%irp(1:nr+1), b%irp , info)
|
|
if (info == 0) call psb_safe_cpy( a%ja(1:nz), b%ja , 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_csr_to_fmt
|
|
|
|
|
|
subroutine psb_d_mv_csr_from_fmt(a,b,info)
|
|
use psb_const_mod
|
|
use psb_d_base_mat_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_mv_csr_from_fmt
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
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_csr_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%irp, a%irp)
|
|
call move_alloc(b%ja, a%ja)
|
|
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
|
|
|
|
end subroutine psb_d_mv_csr_from_fmt
|
|
|
|
|
|
|
|
subroutine psb_d_cp_csr_from_fmt(a,b,info)
|
|
use psb_const_mod
|
|
use psb_d_base_mat_mod
|
|
use psb_realloc_mod
|
|
use psb_d_csr_mat_mod, psb_protect_name => psb_d_cp_csr_from_fmt
|
|
implicit none
|
|
|
|
class(psb_d_csr_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
|
|
logical :: rwshr_
|
|
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_csr_sparse_mat)
|
|
if (b%is_dev()) call b%sync()
|
|
a%psb_d_base_sparse_mat = b%psb_d_base_sparse_mat
|
|
nr = b%get_nrows()
|
|
nz = b%get_nzeros()
|
|
if (info == 0) call psb_safe_cpy( b%irp(1:nr+1), a%irp , info)
|
|
if (info == 0) call psb_safe_cpy( b%ja(1:nz) , a%ja , 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
|
|
end subroutine psb_d_cp_csr_from_fmt
|
|
|
|
subroutine psb_dcsrspspmm(a,b,c,info)
|
|
use psb_d_mat_mod
|
|
use psb_serial_mod, psb_protect_name => psb_dcsrspspmm
|
|
|
|
implicit none
|
|
|
|
class(psb_d_csr_sparse_mat), intent(in) :: a,b
|
|
type(psb_d_csr_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_csrspspmm'
|
|
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 csr_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 csr_spspmm(a,b,c,info)
|
|
implicit none
|
|
type(psb_d_csr_sparse_mat), intent(in) :: a,b
|
|
type(psb_d_csr_sparse_mat), intent(inout) :: c
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_) :: ma,na,mb,nb
|
|
integer(psb_ipk_), allocatable :: irow(:), idxs(:)
|
|
real(psb_dpk_), allocatable :: row(:)
|
|
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%ja))
|
|
isz = max(ma,na,mb,nb)
|
|
call psb_realloc(isz,row,info)
|
|
if (info == 0) call psb_realloc(isz,idxs,info)
|
|
if (info == 0) call psb_realloc(isz,irow,info)
|
|
if (info /= 0) return
|
|
row = dzero
|
|
irow = 0
|
|
nzc = 1
|
|
do j = 1,ma
|
|
c%irp(j) = nzc
|
|
nrc = 0
|
|
do k = a%irp(j), a%irp(j+1)-1
|
|
irw = a%ja(k)
|
|
cfb = a%val(k)
|
|
irwsz = b%irp(irw+1)-b%irp(irw)
|
|
do i = b%irp(irw),b%irp(irw+1)-1
|
|
icl = b%ja(i)
|
|
if (irow(icl)<j) then
|
|
nrc = nrc + 1
|
|
idxs(nrc) = icl
|
|
irow(icl) = j
|
|
end if
|
|
row(icl) = row(icl) + cfb*b%val(i)
|
|
end do
|
|
end do
|
|
if (nrc > 0 ) then
|
|
if ((nzc+nrc)>nze) then
|
|
nze = max(ma*((nzc+j-1)/j),nzc+2*nrc)
|
|
call psb_realloc(nze,c%val,info)
|
|
if (info == 0) call psb_realloc(nze,c%ja,info)
|
|
if (info /= 0) return
|
|
end if
|
|
|
|
call psb_qsort(idxs(1:nrc))
|
|
do i=1, nrc
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irw = idxs(i)
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c%ja(nzc) = irw
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c%val(nzc) = row(irw)
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row(irw) = dzero
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nzc = nzc + 1
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end do
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end if
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end do
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c%irp(ma+1) = nzc
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end subroutine csr_spspmm
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end subroutine psb_dcsrspspmm
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