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1155 lines
38 KiB
Fortran
1155 lines
38 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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! package: psb_s_csc_mat_mod
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!
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! This module contains the definition of the psb_s_csc_sparse_mat type
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! which implements an actual storage format (the CSC in this case) for
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! a sparse matrix as well as the related methods (those who are
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! specific to the type and could not be defined higher in the
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! hierarchy). We are at the bottom level of the inheritance chain.
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!
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! Please refere to psb_s_base_mat_mod for a detailed description
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! of the various methods, and to psb_s_csc_impl for implementation details.
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!
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module psb_s_csc_mat_mod
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use psb_s_base_mat_mod
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!> \namespace psb_base_mod \class psb_s_csc_sparse_mat
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!! \extends psb_s_base_mat_mod::psb_s_base_sparse_mat
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!!
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!! psb_s_csc_sparse_mat type and the related methods.
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!!
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type, extends(psb_s_base_sparse_mat) :: psb_s_csc_sparse_mat
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!> Pointers to beginning of cols in IA and VAL.
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integer(psb_ipk_), allocatable :: icp(:)
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!> Row indices.
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integer(psb_ipk_), allocatable :: ia(:)
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!> Coefficient values.
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real(psb_spk_), allocatable :: val(:)
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contains
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procedure, pass(a) :: is_by_cols => s_csc_is_by_cols
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procedure, pass(a) :: get_size => s_csc_get_size
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procedure, pass(a) :: get_nzeros => s_csc_get_nzeros
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procedure, nopass :: get_fmt => s_csc_get_fmt
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procedure, pass(a) :: sizeof => s_csc_sizeof
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procedure, pass(a) :: csmm => psb_s_csc_csmm
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procedure, pass(a) :: csmv => psb_s_csc_csmv
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procedure, pass(a) :: inner_cssm => psb_s_csc_cssm
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procedure, pass(a) :: inner_cssv => psb_s_csc_cssv
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procedure, pass(a) :: scals => psb_s_csc_scals
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procedure, pass(a) :: scalv => psb_s_csc_scal
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procedure, pass(a) :: maxval => psb_s_csc_maxval
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procedure, pass(a) :: spnm1 => psb_s_csc_csnm1
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procedure, pass(a) :: rowsum => psb_s_csc_rowsum
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procedure, pass(a) :: arwsum => psb_s_csc_arwsum
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procedure, pass(a) :: colsum => psb_s_csc_colsum
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procedure, pass(a) :: aclsum => psb_s_csc_aclsum
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procedure, pass(a) :: reallocate_nz => psb_s_csc_reallocate_nz
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procedure, pass(a) :: allocate_mnnz => psb_s_csc_allocate_mnnz
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procedure, pass(a) :: cp_to_coo => psb_s_cp_csc_to_coo
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procedure, pass(a) :: cp_from_coo => psb_s_cp_csc_from_coo
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procedure, pass(a) :: cp_to_fmt => psb_s_cp_csc_to_fmt
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procedure, pass(a) :: cp_from_fmt => psb_s_cp_csc_from_fmt
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procedure, pass(a) :: mv_to_coo => psb_s_mv_csc_to_coo
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procedure, pass(a) :: mv_from_coo => psb_s_mv_csc_from_coo
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procedure, pass(a) :: mv_to_fmt => psb_s_mv_csc_to_fmt
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procedure, pass(a) :: mv_from_fmt => psb_s_mv_csc_from_fmt
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procedure, pass(a) :: clean_zeros => psb_s_csc_clean_zeros
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procedure, pass(a) :: csput_a => psb_s_csc_csput_a
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procedure, pass(a) :: get_diag => psb_s_csc_get_diag
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procedure, pass(a) :: csgetptn => psb_s_csc_csgetptn
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procedure, pass(a) :: csgetrow => psb_s_csc_csgetrow
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procedure, pass(a) :: get_nz_col => s_csc_get_nz_col
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procedure, pass(a) :: reinit => psb_s_csc_reinit
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procedure, pass(a) :: trim => psb_s_csc_trim
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procedure, pass(a) :: print => psb_s_csc_print
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procedure, pass(a) :: free => s_csc_free
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procedure, pass(a) :: mold => psb_s_csc_mold
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end type psb_s_csc_sparse_mat
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private :: s_csc_get_nzeros, s_csc_free, s_csc_get_fmt, &
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& s_csc_get_size, s_csc_sizeof, s_csc_get_nz_col
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!> \namespace psb_base_mod \class psb_s_csc_sparse_mat
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!! \extends psb_s_base_mat_mod::psb_s_base_sparse_mat
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!!
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!! psb_s_csc_sparse_mat type and the related methods.
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!!
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type, extends(psb_ls_base_sparse_mat) :: psb_ls_csc_sparse_mat
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!> Pointers to beginning of cols in IA and VAL.
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integer(psb_lpk_), allocatable :: icp(:)
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!> Row indices.
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integer(psb_lpk_), allocatable :: ia(:)
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!> Coefficient values.
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real(psb_spk_), allocatable :: val(:)
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contains
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procedure, pass(a) :: is_by_cols => ls_csc_is_by_cols
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procedure, pass(a) :: get_size => ls_csc_get_size
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procedure, pass(a) :: get_nzeros => ls_csc_get_nzeros
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procedure, nopass :: get_fmt => ls_csc_get_fmt
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procedure, pass(a) :: sizeof => ls_csc_sizeof
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procedure, pass(a) :: scals => psb_ls_csc_scals
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procedure, pass(a) :: scalv => psb_ls_csc_scal
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procedure, pass(a) :: maxval => psb_ls_csc_maxval
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procedure, pass(a) :: spnm1 => psb_ls_csc_csnm1
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procedure, pass(a) :: rowsum => psb_ls_csc_rowsum
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procedure, pass(a) :: arwsum => psb_ls_csc_arwsum
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procedure, pass(a) :: colsum => psb_ls_csc_colsum
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procedure, pass(a) :: aclsum => psb_ls_csc_aclsum
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procedure, pass(a) :: reallocate_nz => psb_ls_csc_reallocate_nz
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procedure, pass(a) :: allocate_mnnz => psb_ls_csc_allocate_mnnz
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procedure, pass(a) :: cp_to_coo => psb_ls_cp_csc_to_coo
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procedure, pass(a) :: cp_from_coo => psb_ls_cp_csc_from_coo
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procedure, pass(a) :: cp_to_fmt => psb_ls_cp_csc_to_fmt
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procedure, pass(a) :: cp_from_fmt => psb_ls_cp_csc_from_fmt
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procedure, pass(a) :: mv_to_coo => psb_ls_mv_csc_to_coo
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procedure, pass(a) :: mv_from_coo => psb_ls_mv_csc_from_coo
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procedure, pass(a) :: mv_to_fmt => psb_ls_mv_csc_to_fmt
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procedure, pass(a) :: mv_from_fmt => psb_ls_mv_csc_from_fmt
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procedure, pass(a) :: clean_zeros => psb_ls_csc_clean_zeros
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procedure, pass(a) :: csput_a => psb_ls_csc_csput_a
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procedure, pass(a) :: get_diag => psb_ls_csc_get_diag
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procedure, pass(a) :: csgetptn => psb_ls_csc_csgetptn
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procedure, pass(a) :: csgetrow => psb_ls_csc_csgetrow
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procedure, pass(a) :: get_nz_col => ls_csc_get_nz_col
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procedure, pass(a) :: reinit => psb_ls_csc_reinit
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procedure, pass(a) :: trim => psb_ls_csc_trim
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procedure, pass(a) :: print => psb_ls_csc_print
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procedure, pass(a) :: free => ls_csc_free
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procedure, pass(a) :: mold => psb_ls_csc_mold
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end type psb_ls_csc_sparse_mat
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private :: ls_csc_get_nzeros, ls_csc_free, ls_csc_get_fmt, &
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& ls_csc_get_size, ls_csc_sizeof, ls_csc_get_nz_col
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!> \memberof psb_s_csc_sparse_mat
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!| \see psb_base_mat_mod::psb_base_reallocate_nz
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interface
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subroutine psb_s_csc_reallocate_nz(nz,a)
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import
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integer(psb_ipk_), intent(in) :: nz
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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end subroutine psb_s_csc_reallocate_nz
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!| \see psb_base_mat_mod::psb_base_reinit
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interface
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subroutine psb_s_csc_reinit(a,clear)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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logical, intent(in), optional :: clear
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end subroutine psb_s_csc_reinit
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!| \see psb_base_mat_mod::psb_base_trim
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interface
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subroutine psb_s_csc_trim(a)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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end subroutine psb_s_csc_trim
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!| \see psb_base_mat_mod::psb_base_mold
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interface
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subroutine psb_s_csc_mold(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(in) :: a
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class(psb_s_base_sparse_mat), intent(inout), allocatable :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_csc_mold
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!| \see psb_base_mat_mod::psb_base_allocate_mnnz
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interface
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subroutine psb_s_csc_allocate_mnnz(m,n,a,nz)
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import
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integer(psb_ipk_), intent(in) :: m,n
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(in), optional :: nz
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end subroutine psb_s_csc_allocate_mnnz
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_print
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interface
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subroutine psb_s_csc_print(iout,a,iv,head,ivr,ivc)
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import
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integer(psb_ipk_), intent(in) :: iout
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class(psb_s_csc_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_s_csc_print
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_cp_to_coo
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interface
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subroutine psb_s_cp_csc_to_coo(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(in) :: a
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class(psb_s_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_cp_csc_to_coo
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_cp_from_coo
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interface
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subroutine psb_s_cp_csc_from_coo(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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class(psb_s_coo_sparse_mat), intent(in) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_cp_csc_from_coo
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_cp_to_fmt
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interface
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subroutine psb_s_cp_csc_to_fmt(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(in) :: a
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class(psb_s_base_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_cp_csc_to_fmt
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_cp_from_fmt
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interface
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subroutine psb_s_cp_csc_from_fmt(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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class(psb_s_base_sparse_mat), intent(in) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_cp_csc_from_fmt
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_mv_to_coo
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interface
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subroutine psb_s_mv_csc_to_coo(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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class(psb_s_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_mv_csc_to_coo
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_mv_from_coo
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interface
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subroutine psb_s_mv_csc_from_coo(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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class(psb_s_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_mv_csc_from_coo
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_mv_to_fmt
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interface
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subroutine psb_s_mv_csc_to_fmt(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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class(psb_s_base_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_mv_csc_to_fmt
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_mv_from_fmt
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interface
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subroutine psb_s_mv_csc_from_fmt(a,b,info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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class(psb_s_base_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_mv_csc_from_fmt
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end interface
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!
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!>
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!! \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_clean_zeros
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!
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interface
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subroutine psb_s_csc_clean_zeros(a, info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_s_csc_clean_zeros
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_cp_from
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interface
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subroutine psb_s_csc_cp_from(a,b)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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type(psb_s_csc_sparse_mat), intent(in) :: b
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end subroutine psb_s_csc_cp_from
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_mv_from
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interface
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subroutine psb_s_csc_mv_from(a,b)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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type(psb_s_csc_sparse_mat), intent(inout) :: b
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end subroutine psb_s_csc_mv_from
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_s_base_mat_mod::psb_s_base_csput_a
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interface
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subroutine psb_s_csc_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
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import
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class(psb_s_csc_sparse_mat), intent(inout) :: a
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real(psb_spk_), 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_s_csc_csput_a
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end interface
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!> \memberof psb_s_csc_sparse_mat
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!! \see psb_base_mat_mod::psb_base_csgetptn
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interface
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subroutine psb_s_csc_csgetptn(imin,imax,a,nz,ia,ja,info,&
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& jmin,jmax,iren,append,nzin,rscale,cscale)
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import
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class(psb_s_csc_sparse_mat), intent(in) :: a
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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
|
|
end subroutine psb_s_csc_csgetptn
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_csgetrow
|
|
interface
|
|
subroutine psb_s_csc_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
|
|
& jmin,jmax,iren,append,nzin,rscale,cscale,chksz)
|
|
import :: psb_ipk_, psb_s_csc_sparse_mat, psb_spk_
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_ipk_), intent(in) :: imin,imax
|
|
integer(psb_ipk_), intent(out) :: nz
|
|
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
|
|
real(psb_spk_), 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
|
|
end subroutine psb_s_csc_csgetrow
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_csgetblk
|
|
interface
|
|
subroutine psb_s_csc_csgetblk(imin,imax,a,b,info,&
|
|
& jmin,jmax,iren,append,rscale,cscale,chksz)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
class(psb_s_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,chksz
|
|
end subroutine psb_s_csc_csgetblk
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_cssv
|
|
interface
|
|
subroutine psb_s_csc_cssv(alpha,a,x,beta,y,info,trans)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(in) :: alpha, beta, x(:)
|
|
real(psb_spk_), intent(inout) :: y(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, optional, intent(in) :: trans
|
|
end subroutine psb_s_csc_cssv
|
|
end interface
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_cssm
|
|
interface
|
|
subroutine psb_s_csc_cssm(alpha,a,x,beta,y,info,trans)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(in) :: alpha, beta, x(:,:)
|
|
real(psb_spk_), intent(inout) :: y(:,:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, optional, intent(in) :: trans
|
|
end subroutine psb_s_csc_cssm
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_csmv
|
|
interface
|
|
subroutine psb_s_csc_csmv(alpha,a,x,beta,y,info,trans)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(in) :: alpha, beta, x(:)
|
|
real(psb_spk_), intent(inout) :: y(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, optional, intent(in) :: trans
|
|
end subroutine psb_s_csc_csmv
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_csmm
|
|
interface
|
|
subroutine psb_s_csc_csmm(alpha,a,x,beta,y,info,trans)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(in) :: alpha, beta, x(:,:)
|
|
real(psb_spk_), intent(inout) :: y(:,:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, optional, intent(in) :: trans
|
|
end subroutine psb_s_csc_csmm
|
|
end interface
|
|
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_maxval
|
|
interface
|
|
function psb_s_csc_maxval(a) result(res)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_) :: res
|
|
end function psb_s_csc_maxval
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_csnm1
|
|
interface
|
|
function psb_s_csc_csnm1(a) result(res)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_) :: res
|
|
end function psb_s_csc_csnm1
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_rowsum
|
|
interface
|
|
subroutine psb_s_csc_rowsum(d,a)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_s_csc_rowsum
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_arwsum
|
|
interface
|
|
subroutine psb_s_csc_arwsum(d,a)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_s_csc_arwsum
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_colsum
|
|
interface
|
|
subroutine psb_s_csc_colsum(d,a)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_s_csc_colsum
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_aclsum
|
|
interface
|
|
subroutine psb_s_csc_aclsum(d,a)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_s_csc_aclsum
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_get_diag
|
|
interface
|
|
subroutine psb_s_csc_get_diag(a,d,info)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_s_csc_get_diag
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_scal
|
|
interface
|
|
subroutine psb_s_csc_scal(d,a,info,side)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(inout) :: a
|
|
real(psb_spk_), intent(in) :: d(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, intent(in), optional :: side
|
|
end subroutine psb_s_csc_scal
|
|
end interface
|
|
|
|
!> \memberof psb_s_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_s_base_scals
|
|
interface
|
|
subroutine psb_s_csc_scals(d,a,info)
|
|
import
|
|
class(psb_s_csc_sparse_mat), intent(inout) :: a
|
|
real(psb_spk_), intent(in) :: d
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_s_csc_scals
|
|
end interface
|
|
|
|
!
|
|
! ls
|
|
!
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!| \see psb_base_mat_mod::psb_base_reallocate_nz
|
|
interface
|
|
subroutine psb_ls_csc_reallocate_nz(nz,a)
|
|
import
|
|
integer(psb_lpk_), intent(in) :: nz
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
end subroutine psb_ls_csc_reallocate_nz
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!| \see psb_base_mat_mod::psb_base_reinit
|
|
interface
|
|
subroutine psb_ls_csc_reinit(a,clear)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
logical, intent(in), optional :: clear
|
|
end subroutine psb_ls_csc_reinit
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!| \see psb_base_mat_mod::psb_base_trim
|
|
interface
|
|
subroutine psb_ls_csc_trim(a)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
end subroutine psb_ls_csc_trim
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!| \see psb_base_mat_mod::psb_base_mold
|
|
interface
|
|
subroutine psb_ls_csc_mold(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
class(psb_ls_base_sparse_mat), intent(inout), allocatable :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_csc_mold
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!| \see psb_base_mat_mod::psb_base_allocate_mnnz
|
|
interface
|
|
subroutine psb_ls_csc_allocate_mnnz(m,n,a,nz)
|
|
import
|
|
integer(psb_lpk_), intent(in) :: m,n
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
integer(psb_lpk_), intent(in), optional :: nz
|
|
end subroutine psb_ls_csc_allocate_mnnz
|
|
end interface
|
|
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_print
|
|
interface
|
|
subroutine psb_ls_csc_print(iout,a,iv,head,ivr,ivc)
|
|
import
|
|
integer(psb_ipk_), intent(in) :: iout
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_lpk_), intent(in), optional :: iv(:)
|
|
character(len=*), optional :: head
|
|
integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:)
|
|
end subroutine psb_ls_csc_print
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_cp_to_coo
|
|
interface
|
|
subroutine psb_ls_cp_csc_to_coo(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
class(psb_ls_coo_sparse_mat), intent(inout) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_cp_csc_to_coo
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_cp_from_coo
|
|
interface
|
|
subroutine psb_ls_cp_csc_from_coo(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
class(psb_ls_coo_sparse_mat), intent(in) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_cp_csc_from_coo
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_cp_to_fmt
|
|
interface
|
|
subroutine psb_ls_cp_csc_to_fmt(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
class(psb_ls_base_sparse_mat), intent(inout) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_cp_csc_to_fmt
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_cp_from_fmt
|
|
interface
|
|
subroutine psb_ls_cp_csc_from_fmt(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
class(psb_ls_base_sparse_mat), intent(in) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_cp_csc_from_fmt
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_mv_to_coo
|
|
interface
|
|
subroutine psb_ls_mv_csc_to_coo(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
class(psb_ls_coo_sparse_mat), intent(inout) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_mv_csc_to_coo
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_mv_from_coo
|
|
interface
|
|
subroutine psb_ls_mv_csc_from_coo(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
class(psb_ls_coo_sparse_mat), intent(inout) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_mv_csc_from_coo
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_mv_to_fmt
|
|
interface
|
|
subroutine psb_ls_mv_csc_to_fmt(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
class(psb_ls_base_sparse_mat), intent(inout) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_mv_csc_to_fmt
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_mv_from_fmt
|
|
interface
|
|
subroutine psb_ls_mv_csc_from_fmt(a,b,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
class(psb_ls_base_sparse_mat), intent(inout) :: b
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_mv_csc_from_fmt
|
|
end interface
|
|
|
|
!
|
|
!>
|
|
!! \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_clean_zeros
|
|
!
|
|
interface
|
|
subroutine psb_ls_csc_clean_zeros(a, info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_csc_clean_zeros
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_cp_from
|
|
interface
|
|
subroutine psb_ls_csc_cp_from(a,b)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
type(psb_ls_csc_sparse_mat), intent(in) :: b
|
|
end subroutine psb_ls_csc_cp_from
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_mv_from
|
|
interface
|
|
subroutine psb_ls_csc_mv_from(a,b)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
type(psb_ls_csc_sparse_mat), intent(inout) :: b
|
|
end subroutine psb_ls_csc_mv_from
|
|
end interface
|
|
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_csput_a
|
|
interface
|
|
subroutine psb_ls_csc_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
real(psb_spk_), intent(in) :: val(:)
|
|
integer(psb_lpk_), intent(in) :: nz,ia(:), ja(:),&
|
|
& imin,imax,jmin,jmax
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_csc_csput_a
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_base_mat_mod::psb_base_csgetptn
|
|
interface
|
|
subroutine psb_ls_csc_csgetptn(imin,imax,a,nz,ia,ja,info,&
|
|
& jmin,jmax,iren,append,nzin,rscale,cscale)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_lpk_), intent(in) :: imin,imax
|
|
integer(psb_lpk_), intent(out) :: nz
|
|
integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:)
|
|
integer(psb_ipk_),intent(out) :: info
|
|
logical, intent(in), optional :: append
|
|
integer(psb_lpk_), intent(in), optional :: iren(:)
|
|
integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin
|
|
logical, intent(in), optional :: rscale,cscale
|
|
end subroutine psb_ls_csc_csgetptn
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_csgetrow
|
|
interface
|
|
subroutine psb_ls_csc_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
|
|
& jmin,jmax,iren,append,nzin,rscale,cscale)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_lpk_), intent(in) :: imin,imax
|
|
integer(psb_lpk_), intent(out) :: nz
|
|
integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:)
|
|
real(psb_spk_), allocatable, intent(inout) :: val(:)
|
|
integer(psb_ipk_),intent(out) :: info
|
|
logical, intent(in), optional :: append
|
|
integer(psb_lpk_), intent(in), optional :: iren(:)
|
|
integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin
|
|
logical, intent(in), optional :: rscale,cscale
|
|
end subroutine psb_ls_csc_csgetrow
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_csgetblk
|
|
interface
|
|
subroutine psb_ls_csc_csgetblk(imin,imax,a,b,info,&
|
|
& jmin,jmax,iren,append,rscale,cscale)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
class(psb_ls_coo_sparse_mat), intent(inout) :: b
|
|
integer(psb_lpk_), intent(in) :: imin,imax
|
|
integer(psb_ipk_),intent(out) :: info
|
|
logical, intent(in), optional :: append
|
|
integer(psb_lpk_), intent(in), optional :: iren(:)
|
|
integer(psb_lpk_), intent(in), optional :: jmin,jmax
|
|
logical, intent(in), optional :: rscale,cscale
|
|
end subroutine psb_ls_csc_csgetblk
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_get_diag
|
|
interface
|
|
subroutine psb_ls_csc_get_diag(a,d,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_csc_get_diag
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_ls_base_maxval
|
|
interface
|
|
function psb_ls_csc_maxval(a) result(res)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_) :: res
|
|
end function psb_ls_csc_maxval
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_ls_base_csnm1
|
|
interface
|
|
function psb_ls_csc_csnm1(a) result(res)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_) :: res
|
|
end function psb_ls_csc_csnm1
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_ls_base_rowsum
|
|
interface
|
|
subroutine psb_ls_csc_rowsum(d,a)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_ls_csc_rowsum
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_ls_base_arwsum
|
|
interface
|
|
subroutine psb_ls_csc_arwsum(d,a)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_ls_csc_arwsum
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_ls_base_colsum
|
|
interface
|
|
subroutine psb_ls_csc_colsum(d,a)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_ls_csc_colsum
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_s_base_mat_mod::psb_ls_base_aclsum
|
|
interface
|
|
subroutine psb_ls_csc_aclsum(d,a)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(out) :: d(:)
|
|
end subroutine psb_ls_csc_aclsum
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_scal
|
|
interface
|
|
subroutine psb_ls_csc_scal(d,a,info,side)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
real(psb_spk_), intent(in) :: d(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, intent(in), optional :: side
|
|
end subroutine psb_ls_csc_scal
|
|
end interface
|
|
|
|
!> \memberof psb_ls_csc_sparse_mat
|
|
!! \see psb_ls_base_mat_mod::psb_ls_base_scals
|
|
interface
|
|
subroutine psb_ls_csc_scals(d,a,info)
|
|
import
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
real(psb_spk_), intent(in) :: d
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_ls_csc_scals
|
|
end interface
|
|
|
|
contains
|
|
|
|
! == ===================================
|
|
!
|
|
!
|
|
!
|
|
! Getters
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
! == ===================================
|
|
|
|
|
|
function s_csc_is_by_cols(a) result(res)
|
|
implicit none
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
logical :: res
|
|
res = .true.
|
|
|
|
end function s_csc_is_by_cols
|
|
|
|
|
|
function s_csc_sizeof(a) result(res)
|
|
implicit none
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_epk_) :: res
|
|
res = 2 * psb_sizeof_ip
|
|
res = res + psb_sizeof_sp * psb_size(a%val)
|
|
res = res + psb_sizeof_ip * psb_size(a%icp)
|
|
res = res + psb_sizeof_ip * psb_size(a%ia)
|
|
|
|
end function s_csc_sizeof
|
|
|
|
function s_csc_get_fmt() result(res)
|
|
implicit none
|
|
character(len=5) :: res
|
|
res = 'CSC'
|
|
end function s_csc_get_fmt
|
|
|
|
function s_csc_get_nzeros(a) result(res)
|
|
implicit none
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_ipk_) :: res
|
|
res = a%icp(a%get_ncols()+1)-1
|
|
end function s_csc_get_nzeros
|
|
|
|
function s_csc_get_size(a) result(res)
|
|
implicit none
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_ipk_) :: res
|
|
|
|
res = -1
|
|
|
|
if (allocated(a%ia)) then
|
|
res = size(a%ia)
|
|
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 s_csc_get_size
|
|
|
|
|
|
|
|
function s_csc_get_nz_col(idx,a) result(res)
|
|
use psb_const_mod
|
|
implicit none
|
|
|
|
class(psb_s_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_ipk_), intent(in) :: idx
|
|
integer(psb_ipk_) :: res
|
|
|
|
res = 0
|
|
|
|
if ((1<=idx).and.(idx<=a%get_ncols())) then
|
|
res = a%icp(idx+1)-a%icp(idx)
|
|
end if
|
|
|
|
end function s_csc_get_nz_col
|
|
|
|
|
|
|
|
! == ===================================
|
|
!
|
|
!
|
|
!
|
|
! Data management
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
! == ===================================
|
|
|
|
|
|
subroutine s_csc_free(a)
|
|
implicit none
|
|
|
|
class(psb_s_csc_sparse_mat), intent(inout) :: a
|
|
|
|
if (allocated(a%icp)) deallocate(a%icp)
|
|
if (allocated(a%ia)) deallocate(a%ia)
|
|
if (allocated(a%val)) deallocate(a%val)
|
|
call a%set_null()
|
|
call a%set_nrows(0_psb_ipk_)
|
|
call a%set_ncols(0_psb_ipk_)
|
|
|
|
return
|
|
|
|
end subroutine s_csc_free
|
|
|
|
|
|
|
|
! == ===================================
|
|
!
|
|
!
|
|
!
|
|
! Getters
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
! == ===================================
|
|
|
|
|
|
function ls_csc_is_by_cols(a) result(res)
|
|
implicit none
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
logical :: res
|
|
res = .true.
|
|
|
|
end function ls_csc_is_by_cols
|
|
|
|
!
|
|
! ls
|
|
!
|
|
|
|
function ls_csc_sizeof(a) result(res)
|
|
implicit none
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_epk_) :: res
|
|
res = 2*psb_sizeof_lp
|
|
res = res + psb_sizeof_sp * psb_size(a%val)
|
|
res = res + psb_sizeof_lp * psb_size(a%icp)
|
|
res = res + psb_sizeof_lp * psb_size(a%ia)
|
|
|
|
end function ls_csc_sizeof
|
|
|
|
function ls_csc_get_fmt() result(res)
|
|
implicit none
|
|
character(len=5) :: res
|
|
res = 'CSC'
|
|
end function ls_csc_get_fmt
|
|
|
|
function ls_csc_get_nzeros(a) result(res)
|
|
implicit none
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_lpk_) :: res
|
|
res = a%icp(a%get_ncols()+1)-1
|
|
end function ls_csc_get_nzeros
|
|
|
|
function ls_csc_get_size(a) result(res)
|
|
implicit none
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_lpk_) :: res
|
|
|
|
res = -1
|
|
|
|
if (allocated(a%ia)) then
|
|
res = size(a%ia)
|
|
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 ls_csc_get_size
|
|
|
|
|
|
|
|
function ls_csc_get_nz_col(idx,a) result(res)
|
|
use psb_const_mod
|
|
implicit none
|
|
|
|
class(psb_ls_csc_sparse_mat), intent(in) :: a
|
|
integer(psb_lpk_), intent(in) :: idx
|
|
integer(psb_lpk_) :: res
|
|
|
|
res = 0
|
|
|
|
if ((1<=idx).and.(idx<=a%get_ncols())) then
|
|
res = a%icp(idx+1)-a%icp(idx)
|
|
end if
|
|
|
|
end function ls_csc_get_nz_col
|
|
|
|
|
|
|
|
! == ===================================
|
|
!
|
|
!
|
|
!
|
|
! Data management
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
! == ===================================
|
|
|
|
|
|
subroutine ls_csc_free(a)
|
|
implicit none
|
|
|
|
class(psb_ls_csc_sparse_mat), intent(inout) :: a
|
|
|
|
if (allocated(a%icp)) deallocate(a%icp)
|
|
if (allocated(a%ia)) deallocate(a%ia)
|
|
if (allocated(a%val)) deallocate(a%val)
|
|
call a%set_null()
|
|
call a%set_nrows(0_psb_lpk_)
|
|
call a%set_ncols(0_psb_lpk_)
|
|
|
|
return
|
|
|
|
end subroutine ls_csc_free
|
|
|
|
|
|
|
|
end module psb_s_csc_mat_mod
|