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535 lines
20 KiB
Fortran
535 lines
20 KiB
Fortran
! Parallel Sparse BLAS GPU plugin
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! (C) Copyright 2013
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!
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! Salvatore Filippone
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! Alessandro Fanfarillo
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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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module psb_d_hdia_mat_mod
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use psb_d_base_mat_mod
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type, extends(psb_d_base_sparse_mat) :: psb_d_hdia_sparse_mat
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!
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! HDIA format
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!
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integer(psb_ipk_), allocatable :: hackOffsets(:), diaOffsets(:)
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real(psb_dpk_), allocatable :: val(:)
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integer(psb_ipk_) :: nhacks, nzeros
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integer(psb_ipk_) :: hacksize = 32
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integer(psb_epk_) :: dim=0
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contains
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! procedure, pass(a) :: get_size => d_hdia_get_size
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procedure, pass(a) :: get_nzeros => d_hdia_get_nzeros
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procedure, pass(a) :: set_nzeros => d_hdia_set_nzeros
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procedure, nopass :: get_fmt => d_hdia_get_fmt
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procedure, pass(a) :: sizeof => d_hdia_sizeof
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! procedure, pass(a) :: csmm => psb_d_hdia_csmm
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procedure, pass(a) :: csmv => psb_d_hdia_csmv
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! procedure, pass(a) :: inner_cssm => psb_d_hdia_cssm
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! procedure, pass(a) :: inner_cssv => psb_d_hdia_cssv
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! procedure, pass(a) :: scals => psb_d_hdia_scals
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! procedure, pass(a) :: scalv => psb_d_hdia_scal
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! procedure, pass(a) :: maxval => psb_d_hdia_maxval
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! procedure, pass(a) :: csnmi => psb_d_hdia_csnmi
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! procedure, pass(a) :: csnm1 => psb_d_hdia_csnm1
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! procedure, pass(a) :: rowsum => psb_d_hdia_rowsum
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! procedure, pass(a) :: arwsum => psb_d_hdia_arwsum
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! procedure, pass(a) :: colsum => psb_d_hdia_colsum
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! procedure, pass(a) :: aclsum => psb_d_hdia_aclsum
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! procedure, pass(a) :: reallocate_nz => psb_d_hdia_reallocate_nz
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procedure, pass(a) :: allocate_mnnz => psb_d_hdia_allocate_mnnz
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procedure, pass(a) :: cp_to_coo => psb_d_cp_hdia_to_coo
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procedure, pass(a) :: cp_from_coo => psb_d_cp_hdia_from_coo
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! procedure, pass(a) :: cp_to_fmt => psb_d_cp_hdia_to_fmt
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! procedure, pass(a) :: cp_from_fmt => psb_d_cp_hdia_from_fmt
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procedure, pass(a) :: mv_to_coo => psb_d_mv_hdia_to_coo
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procedure, pass(a) :: mv_from_coo => psb_d_mv_hdia_from_coo
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! procedure, pass(a) :: mv_to_fmt => psb_d_mv_hdia_to_fmt
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! procedure, pass(a) :: mv_from_fmt => psb_d_mv_hdia_from_fmt
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! procedure, pass(a) :: csput_a => psb_d_hdia_csput_a
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! procedure, pass(a) :: get_diag => psb_d_hdia_get_diag
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! procedure, pass(a) :: csgetptn => psb_d_hdia_csgetptn
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! procedure, pass(a) :: csgetrow => psb_d_hdia_csgetrow
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! procedure, pass(a) :: get_nz_row => d_hdia_get_nz_row
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! procedure, pass(a) :: reinit => psb_d_hdia_reinit
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! procedure, pass(a) :: trim => psb_d_hdia_trim
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procedure, pass(a) :: print => psb_d_hdia_print
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procedure, pass(a) :: free => d_hdia_free
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procedure, pass(a) :: mold => psb_d_hdia_mold
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end type psb_d_hdia_sparse_mat
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private :: d_hdia_get_nzeros, d_hdia_set_nzeros, d_hdia_free, &
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& d_hdia_get_fmt, d_hdia_sizeof
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!!$ &
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!!$ & d_hdia_get_nz_row d_hdia_get_size,
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!!$ interface
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!!$ subroutine psb_d_hdia_reallocate_nz(nz,a)
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!!$ import :: psb_d_hdia_sparse_mat, psb_ipk_
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!!$ integer(psb_ipk_), intent(in) :: nz
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!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
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!!$ end subroutine psb_d_hdia_reallocate_nz
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_reinit(a,clear)
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!!$ import :: psb_d_hdia_sparse_mat
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!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
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!!$ logical, intent(in), optional :: clear
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!!$ end subroutine psb_d_hdia_reinit
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_trim(a)
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!!$ import :: psb_d_hdia_sparse_mat
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!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
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!!$ end subroutine psb_d_hdia_trim
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!!$ end interface
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interface
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subroutine psb_d_hdia_mold(a,b,info)
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import :: psb_d_hdia_sparse_mat, psb_d_base_sparse_mat, psb_ipk_
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class(psb_d_hdia_sparse_mat), intent(in) :: a
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class(psb_d_base_sparse_mat), intent(inout), allocatable :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_d_hdia_mold
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end interface
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interface
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subroutine psb_d_hdia_allocate_mnnz(m,n,a,nz)
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import :: psb_d_hdia_sparse_mat, psb_ipk_
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integer(psb_ipk_), intent(in) :: m,n
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class(psb_d_hdia_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(in), optional :: nz
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end subroutine psb_d_hdia_allocate_mnnz
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end interface
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interface
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subroutine psb_d_hdia_print(iout,a,iv,head,ivr,ivc)
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import :: psb_d_hdia_sparse_mat, psb_ipk_, psb_lpk_
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integer(psb_ipk_), intent(in) :: iout
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class(psb_d_hdia_sparse_mat), intent(in) :: a
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integer(psb_lpk_), intent(in), optional :: iv(:)
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character(len=*), optional :: head
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integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:)
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end subroutine psb_d_hdia_print
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end interface
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interface
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subroutine psb_d_cp_hdia_to_coo(a,b,info)
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import :: psb_d_coo_sparse_mat, psb_d_hdia_sparse_mat, psb_ipk_
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class(psb_d_hdia_sparse_mat), intent(in) :: a
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class(psb_d_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_d_cp_hdia_to_coo
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end interface
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interface
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subroutine psb_d_cp_hdia_from_coo(a,b,info)
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import :: psb_d_hdia_sparse_mat, psb_d_coo_sparse_mat, psb_ipk_
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class(psb_d_hdia_sparse_mat), intent(inout) :: a
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class(psb_d_coo_sparse_mat), intent(in) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_d_cp_hdia_from_coo
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end interface
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!!$ interface
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!!$ subroutine psb_d_cp_hdia_to_fmt(a,b,info)
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!!$ import :: psb_d_hdia_sparse_mat, psb_d_base_sparse_mat, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ class(psb_d_base_sparse_mat), intent(inout) :: b
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!!$ integer(psb_ipk_), intent(out) :: info
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!!$ end subroutine psb_d_cp_hdia_to_fmt
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_cp_hdia_from_fmt(a,b,info)
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!!$ import :: psb_d_hdia_sparse_mat, psb_d_base_sparse_mat, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
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!!$ class(psb_d_base_sparse_mat), intent(in) :: b
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!!$ integer(psb_ipk_), intent(out) :: info
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!!$ end subroutine psb_d_cp_hdia_from_fmt
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!!$ end interface
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interface
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subroutine psb_d_mv_hdia_to_coo(a,b,info)
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import :: psb_d_hdia_sparse_mat, psb_d_coo_sparse_mat, psb_ipk_
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class(psb_d_hdia_sparse_mat), intent(inout) :: a
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class(psb_d_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_d_mv_hdia_to_coo
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end interface
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interface
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subroutine psb_d_mv_hdia_from_coo(a,b,info)
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import :: psb_d_hdia_sparse_mat, psb_d_coo_sparse_mat, psb_ipk_
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class(psb_d_hdia_sparse_mat), intent(inout) :: a
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class(psb_d_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_d_mv_hdia_from_coo
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end interface
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!!$ interface
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!!$ subroutine psb_d_mv_hdia_to_fmt(a,b,info)
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!!$ import :: psb_d_hdia_sparse_mat, psb_d_base_sparse_mat, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
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!!$ class(psb_d_base_sparse_mat), intent(inout) :: b
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!!$ integer(psb_ipk_), intent(out) :: info
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!!$ end subroutine psb_d_mv_hdia_to_fmt
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_mv_hdia_from_fmt(a,b,info)
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!!$ import :: psb_d_hdia_sparse_mat, psb_d_base_sparse_mat, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
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!!$ class(psb_d_base_sparse_mat), intent(inout) :: b
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!!$ integer(psb_ipk_), intent(out) :: info
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!!$ end subroutine psb_d_mv_hdia_from_fmt
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
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!!$ real(psb_dpk_), intent(in) :: val(:)
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!!$ integer(psb_ipk_), intent(in) :: nz,ia(:), ja(:),&
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!!$ & imin,imax,jmin,jmax
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!!$ integer(psb_ipk_), intent(out) :: info
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!!$ end subroutine psb_d_hdia_csput_a
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_csgetptn(imin,imax,a,nz,ia,ja,info,&
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!!$ & jmin,jmax,iren,append,nzin,rscale,cscale)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ integer(psb_ipk_), intent(in) :: imin,imax
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!!$ integer(psb_ipk_), intent(out) :: nz
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!!$ integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
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!!$ integer(psb_ipk_),intent(out) :: info
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!!$ logical, intent(in), optional :: append
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!!$ integer(psb_ipk_), intent(in), optional :: iren(:)
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!!$ integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin
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!!$ logical, intent(in), optional :: rscale,cscale
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!!$ end subroutine psb_d_hdia_csgetptn
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
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!!$ & jmin,jmax,iren,append,nzin,rscale,cscale)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ integer(psb_ipk_), intent(in) :: imin,imax
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!!$ integer(psb_ipk_), intent(out) :: nz
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!!$ integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
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!!$ real(psb_dpk_), allocatable, intent(inout) :: val(:)
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!!$ integer(psb_ipk_),intent(out) :: info
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!!$ logical, intent(in), optional :: append
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!!$ integer(psb_ipk_), intent(in), optional :: iren(:)
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!!$ integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin
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!!$ logical, intent(in), optional :: rscale,cscale
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!!$ end subroutine psb_d_hdia_csgetrow
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_csgetblk(imin,imax,a,b,info,&
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!!$ & jmin,jmax,iren,append,rscale,cscale)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_d_coo_sparse_mat, psb_ipk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ class(psb_d_coo_sparse_mat), intent(inout) :: b
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!!$ integer(psb_ipk_), intent(in) :: imin,imax
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!!$ integer(psb_ipk_),intent(out) :: info
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!!$ logical, intent(in), optional :: append
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!!$ integer(psb_ipk_), intent(in), optional :: iren(:)
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!!$ integer(psb_ipk_), intent(in), optional :: jmin,jmax
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!!$ logical, intent(in), optional :: rscale,cscale
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!!$ end subroutine psb_d_hdia_csgetblk
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_cssv(alpha,a,x,beta,y,info,trans)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
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!!$ class(psb_d_hdia_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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!!$ end subroutine psb_d_hdia_cssv
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!!$ subroutine psb_d_hdia_cssm(alpha,a,x,beta,y,info,trans)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
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!!$ class(psb_d_hdia_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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!!$ end subroutine psb_d_hdia_cssm
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!!$ end interface
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interface
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subroutine psb_d_hdia_csmv(alpha,a,x,beta,y,info,trans)
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import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
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class(psb_d_hdia_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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end subroutine psb_d_hdia_csmv
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!!$ subroutine psb_d_hdia_csmm(alpha,a,x,beta,y,info,trans)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
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!!$ class(psb_d_hdia_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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!!$ end subroutine psb_d_hdia_csmm
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end interface
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!!$ interface
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!!$ function psb_d_hdia_maxval(a) result(res)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ real(psb_dpk_) :: res
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!!$ end function psb_d_hdia_maxval
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!!$ end interface
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!!$
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!!$ interface
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!!$ function psb_d_hdia_csnmi(a) result(res)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ real(psb_dpk_) :: res
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!!$ end function psb_d_hdia_csnmi
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!!$ end interface
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!!$
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!!$ interface
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!!$ function psb_d_hdia_csnm1(a) result(res)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ real(psb_dpk_) :: res
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!!$ end function psb_d_hdia_csnm1
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!!$ end interface
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!!$
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!!$ interface
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!!$ subroutine psb_d_hdia_rowsum(d,a)
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!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_
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!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
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!!$ real(psb_dpk_), intent(out) :: d(:)
|
|
!!$ end subroutine psb_d_hdia_rowsum
|
|
!!$ end interface
|
|
!!$
|
|
!!$ interface
|
|
!!$ subroutine psb_d_hdia_arwsum(d,a)
|
|
!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_
|
|
!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
!!$ real(psb_dpk_), intent(out) :: d(:)
|
|
!!$ end subroutine psb_d_hdia_arwsum
|
|
!!$ end interface
|
|
!!$
|
|
!!$ interface
|
|
!!$ subroutine psb_d_hdia_colsum(d,a)
|
|
!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_
|
|
!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
!!$ real(psb_dpk_), intent(out) :: d(:)
|
|
!!$ end subroutine psb_d_hdia_colsum
|
|
!!$ end interface
|
|
!!$
|
|
!!$ interface
|
|
!!$ subroutine psb_d_hdia_aclsum(d,a)
|
|
!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_
|
|
!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
!!$ real(psb_dpk_), intent(out) :: d(:)
|
|
!!$ end subroutine psb_d_hdia_aclsum
|
|
!!$ end interface
|
|
!!$
|
|
!!$ interface
|
|
!!$ subroutine psb_d_hdia_get_diag(a,d,info)
|
|
!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
|
|
!!$ class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
!!$ real(psb_dpk_), intent(out) :: d(:)
|
|
!!$ integer(psb_ipk_), intent(out) :: info
|
|
!!$ end subroutine psb_d_hdia_get_diag
|
|
!!$ end interface
|
|
!!$
|
|
!!$ interface
|
|
!!$ subroutine psb_d_hdia_scal(d,a,info,side)
|
|
!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
|
|
!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
|
|
!!$ real(psb_dpk_), intent(in) :: d(:)
|
|
!!$ integer(psb_ipk_), intent(out) :: info
|
|
!!$ character, intent(in), optional :: side
|
|
!!$ end subroutine psb_d_hdia_scal
|
|
!!$ end interface
|
|
|
|
!!$ interface
|
|
!!$ subroutine psb_d_hdia_scals(d,a,info)
|
|
!!$ import :: psb_d_hdia_sparse_mat, psb_dpk_, psb_ipk_
|
|
!!$ class(psb_d_hdia_sparse_mat), intent(inout) :: a
|
|
!!$ real(psb_dpk_), intent(in) :: d
|
|
!!$ integer(psb_ipk_), intent(out) :: info
|
|
!!$ end subroutine psb_d_hdia_scals
|
|
!!$ end interface
|
|
!!$
|
|
|
|
|
|
contains
|
|
|
|
! == ===================================
|
|
!
|
|
!
|
|
!
|
|
! Getters
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
! == ===================================
|
|
|
|
|
|
function d_hdia_sizeof(a) result(res)
|
|
use psb_realloc_mod, only : psb_size
|
|
implicit none
|
|
class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
integer(psb_epk_) :: res
|
|
integer(psb_ipk_) :: i
|
|
|
|
if (a%is_dev()) call a%sync()
|
|
res = 0
|
|
|
|
res = res + psb_size(a%hackOffsets)*psb_sizeof_ip
|
|
res = res + psb_size(a%diaOffsets)*psb_sizeof_ip
|
|
res = res + psb_size(a%val) * psb_sizeof_dp
|
|
|
|
end function d_hdia_sizeof
|
|
|
|
function d_hdia_get_fmt() result(res)
|
|
implicit none
|
|
character(len=5) :: res
|
|
res = 'HDIA'
|
|
end function d_hdia_get_fmt
|
|
|
|
function d_hdia_get_nzeros(a) result(res)
|
|
implicit none
|
|
class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
integer(psb_ipk_) :: res
|
|
res = a%nzeros
|
|
end function d_hdia_get_nzeros
|
|
|
|
subroutine d_hdia_set_nzeros(a,nz)
|
|
implicit none
|
|
class(psb_d_hdia_sparse_mat), intent(inout) :: a
|
|
integer(psb_ipk_), intent(in) :: nz
|
|
a%nzeros = nz
|
|
end subroutine d_hdia_set_nzeros
|
|
|
|
! function d_hdia_get_size(a) result(res)
|
|
! implicit none
|
|
! class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
! integer(psb_ipk_) :: res
|
|
|
|
! res = -1
|
|
|
|
! if (allocated(a%ja)) then
|
|
! if (res >= 0) then
|
|
! res = min(res,size(a%ja))
|
|
! else
|
|
! res = size(a%ja)
|
|
! end if
|
|
! end if
|
|
! if (allocated(a%val)) then
|
|
! if (res >= 0) then
|
|
! res = min(res,size(a%val))
|
|
! else
|
|
! res = size(a%val)
|
|
! end if
|
|
! end if
|
|
|
|
! end function d_hdia_get_size
|
|
|
|
|
|
! function d_hdia_get_nz_row(idx,a) result(res)
|
|
|
|
! implicit none
|
|
|
|
! class(psb_d_hdia_sparse_mat), intent(in) :: a
|
|
! integer(psb_ipk_), intent(in) :: idx
|
|
! integer(psb_ipk_) :: res
|
|
|
|
! res = 0
|
|
|
|
! if ((1<=idx).and.(idx<=a%get_nrows())) then
|
|
! res = a%irn(idx)
|
|
! end if
|
|
|
|
! end function d_hdia_get_nz_row
|
|
|
|
|
|
|
|
! ! == ===================================
|
|
! !
|
|
! !
|
|
! !
|
|
! ! Data management
|
|
! !
|
|
! !
|
|
! !
|
|
! !
|
|
! !
|
|
! ! == ===================================
|
|
|
|
subroutine d_hdia_free(a)
|
|
implicit none
|
|
|
|
class(psb_d_hdia_sparse_mat), intent(inout) :: a
|
|
integer(psb_ipk_) :: i, info
|
|
|
|
|
|
if (allocated(a%hackOffsets))&
|
|
& deallocate(a%hackOffsets,stat=info)
|
|
if (allocated(a%diaOffsets))&
|
|
& deallocate(a%diaOffsets,stat=info)
|
|
if (allocated(a%val))&
|
|
& deallocate(a%val,stat=info)
|
|
a%nhacks=0
|
|
|
|
call a%set_null()
|
|
call a%set_nrows(izero)
|
|
call a%set_ncols(izero)
|
|
|
|
return
|
|
|
|
end subroutine d_hdia_free
|
|
|
|
|
|
end module psb_d_hdia_mat_mod
|