! ! Parallel Sparse BLAS version 3.5 ! (C) Copyright 2006-2018 ! Salvatore Filippone ! Alfredo Buttari ! ! Redistribution and use in source and binary forms, with or without ! modification, are permitted provided that the following conditions ! are met: ! 1. Redistributions of source code must retain the above copyright ! notice, this list of conditions and the following disclaimer. ! 2. Redistributions in binary form must reproduce the above copyright ! notice, this list of conditions, and the following disclaimer in the ! documentation and/or other materials provided with the distribution. ! 3. The name of the PSBLAS group or the names of its contributors may ! not be used to endorse or promote products derived from this ! software without specific written permission. ! ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS ! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ! POSSIBILITY OF SUCH DAMAGE. ! ! ! ! package: psb_s_csr_mat_mod ! ! This module contains the definition of the psb_s_csr_sparse_mat type ! which implements an actual storage format (the CSR in this case) for ! a sparse matrix as well as the related methods (those who are ! specific to the type and could not be defined higher in the ! hierarchy). We are at the bottom level of the inheritance chain. ! ! Please refere to psb_s_base_mat_mod for a detailed description ! of the various methods, and to psb_s_csr_impl for implementation details. ! module psb_s_csr_mat_mod use psb_s_base_mat_mod !> \namespace psb_base_mod \class psb_s_csr_sparse_mat !! \extends psb_s_base_mat_mod::psb_s_base_sparse_mat !! !! psb_s_csr_sparse_mat type and the related methods. !! This is a very common storage type, and is the default for assembled !! matrices in our library type, extends(psb_s_base_sparse_mat) :: psb_s_csr_sparse_mat !> Pointers to beginning of rows in JA and VAL. integer(psb_ipk_), allocatable :: irp(:) !> Column indices. integer(psb_ipk_), allocatable :: ja(:) !> Coefficient values. real(psb_spk_), allocatable :: val(:) contains procedure, pass(a) :: is_by_rows => s_csr_is_by_rows procedure, pass(a) :: get_size => s_csr_get_size procedure, pass(a) :: get_nzeros => s_csr_get_nzeros procedure, nopass :: get_fmt => s_csr_get_fmt procedure, pass(a) :: sizeof => s_csr_sizeof procedure, pass(a) :: csmm => psb_s_csr_csmm procedure, pass(a) :: csmv => psb_s_csr_csmv procedure, pass(a) :: inner_cssm => psb_s_csr_cssm procedure, pass(a) :: inner_cssv => psb_s_csr_cssv procedure, pass(a) :: scals => psb_s_csr_scals procedure, pass(a) :: scalv => psb_s_csr_scal procedure, pass(a) :: maxval => psb_s_csr_maxval procedure, pass(a) :: spnmi => psb_s_csr_csnmi procedure, pass(a) :: rowsum => psb_s_csr_rowsum procedure, pass(a) :: arwsum => psb_s_csr_arwsum procedure, pass(a) :: colsum => psb_s_csr_colsum procedure, pass(a) :: aclsum => psb_s_csr_aclsum procedure, pass(a) :: reallocate_nz => psb_s_csr_reallocate_nz procedure, pass(a) :: allocate_mnnz => psb_s_csr_allocate_mnnz procedure, pass(a) :: tril => psb_s_csr_tril procedure, pass(a) :: triu => psb_s_csr_triu procedure, pass(a) :: cp_to_coo => psb_s_cp_csr_to_coo procedure, pass(a) :: cp_from_coo => psb_s_cp_csr_from_coo procedure, pass(a) :: cp_to_fmt => psb_s_cp_csr_to_fmt procedure, pass(a) :: cp_from_fmt => psb_s_cp_csr_from_fmt procedure, pass(a) :: mv_to_coo => psb_s_mv_csr_to_coo procedure, pass(a) :: mv_from_coo => psb_s_mv_csr_from_coo procedure, pass(a) :: mv_to_fmt => psb_s_mv_csr_to_fmt procedure, pass(a) :: mv_from_fmt => psb_s_mv_csr_from_fmt procedure, pass(a) :: clean_zeros => psb_s_csr_clean_zeros procedure, pass(a) :: csput_a => psb_s_csr_csput_a procedure, pass(a) :: get_diag => psb_s_csr_get_diag procedure, pass(a) :: csgetptn => psb_s_csr_csgetptn procedure, pass(a) :: csgetrow => psb_s_csr_csgetrow procedure, pass(a) :: get_nz_row => s_csr_get_nz_row procedure, pass(a) :: reinit => psb_s_csr_reinit procedure, pass(a) :: trim => psb_s_csr_trim procedure, pass(a) :: print => psb_s_csr_print procedure, pass(a) :: free => s_csr_free procedure, pass(a) :: mold => psb_s_csr_mold end type psb_s_csr_sparse_mat private :: s_csr_get_nzeros, s_csr_free, s_csr_get_fmt, & & s_csr_get_size, s_csr_sizeof, s_csr_get_nz_row, & & s_csr_is_by_rows !> \memberof psb_s_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_reallocate_nz interface subroutine psb_s_csr_reallocate_nz(nz,a) import integer(psb_ipk_), intent(in) :: nz class(psb_s_csr_sparse_mat), intent(inout) :: a end subroutine psb_s_csr_reallocate_nz end interface !> \memberof psb_s_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_reinit interface subroutine psb_s_csr_reinit(a,clear) import class(psb_s_csr_sparse_mat), intent(inout) :: a logical, intent(in), optional :: clear end subroutine psb_s_csr_reinit end interface !> \memberof psb_s_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_trim interface subroutine psb_s_csr_trim(a) import class(psb_s_csr_sparse_mat), intent(inout) :: a end subroutine psb_s_csr_trim end interface !> \memberof psb_s_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_mold interface subroutine psb_s_csr_mold(a,b,info) import class(psb_s_csr_sparse_mat), intent(in) :: a class(psb_s_base_sparse_mat), intent(inout), allocatable :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_csr_mold end interface !> \memberof psb_s_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_allocate_mnnz interface subroutine psb_s_csr_allocate_mnnz(m,n,a,nz) import integer(psb_ipk_), intent(in) :: m,n class(psb_s_csr_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(in), optional :: nz end subroutine psb_s_csr_allocate_mnnz end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_print interface subroutine psb_s_csr_print(iout,a,iv,head,ivr,ivc) import integer(psb_ipk_), intent(in) :: iout class(psb_s_csr_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_s_csr_print end interface ! !> Function tril: !! \memberof psb_s_base_sparse_mat !! \brief Copy the lower triangle, i.e. all entries !! A(I,J) such that J-I <= DIAG !! default value is DIAG=0, i.e. lower triangle up to !! the main diagonal. !! DIAG=-1 means copy the strictly lower triangle !! DIAG= 1 means copy the lower triangle plus the first diagonal !! of the upper triangle. !! Moreover, apply a clipping by copying entries A(I,J) only if !! IMIN<=I<=IMAX !! JMIN<=J<=JMAX !! !! \param l the output (sub)matrix !! \param info return code !! \param diag [0] the last diagonal (J-I) to be considered. !! \param imin [1] the minimum row index we are interested in !! \param imax [a\%get_nrows()] the minimum row index we are interested in !! \param jmin [1] minimum col index !! \param jmax [a\%get_ncols()] maximum col index !! \param iren(:) [none] an array to return renumbered indices (iren(ia(:)),iren(ja(:)) !! \param rscale [false] map [min(ia(:)):max(ia(:))] onto [1:max(ia(:))-min(ia(:))+1] !! \param cscale [false] map [min(ja(:)):max(ja(:))] onto [1:max(ja(:))-min(ja(:))+1] !! ( iren cannot be specified with rscale/cscale) !! \param append [false] append to ia,ja !! \param nzin [none] if append, then first new entry should go in entry nzin+1 !! \param u [none] copy of the complementary triangle !! ! interface subroutine psb_s_csr_tril(a,l,info,diag,imin,imax,& & jmin,jmax,rscale,cscale,u) import class(psb_s_csr_sparse_mat), intent(in) :: a class(psb_s_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_s_coo_sparse_mat), optional, intent(out) :: u end subroutine psb_s_csr_tril end interface ! !> Function triu: !! \memberof psb_s_csr_sparse_mat !! \brief Copy the upper triangle, i.e. all entries !! A(I,J) such that DIAG <= J-I !! default value is DIAG=0, i.e. upper triangle from !! the main diagonal up. !! DIAG= 1 means copy the strictly upper triangle !! DIAG=-1 means copy the upper triangle plus the first diagonal !! of the lower triangle. !! Moreover, apply a clipping by copying entries A(I,J) only if !! IMIN<=I<=IMAX !! JMIN<=J<=JMAX !! Optionally copies the lower triangle at the same time !! !! \param u the output (sub)matrix !! \param info return code !! \param diag [0] the last diagonal (J-I) to be considered. !! \param imin [1] the minimum row index we are interested in !! \param imax [a\%get_nrows()] the minimum row index we are interested in !! \param jmin [1] minimum col index !! \param jmax [a\%get_ncols()] maximum col index !! \param iren(:) [none] an array to return renumbered indices (iren(ia(:)),iren(ja(:)) !! \param rscale [false] map [min(ia(:)):max(ia(:))] onto [1:max(ia(:))-min(ia(:))+1] !! \param cscale [false] map [min(ja(:)):max(ja(:))] onto [1:max(ja(:))-min(ja(:))+1] !! ( iren cannot be specified with rscale/cscale) !! \param append [false] append to ia,ja !! \param nzin [none] if append, then first new entry should go in entry nzin+1 !! \param l [none] copy of the complementary triangle !! ! interface subroutine psb_s_csr_triu(a,u,info,diag,imin,imax,& & jmin,jmax,rscale,cscale,l) import class(psb_s_csr_sparse_mat), intent(in) :: a class(psb_s_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_s_coo_sparse_mat), optional, intent(out) :: l end subroutine psb_s_csr_triu end interface ! !> !! \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_clean_zeros ! interface subroutine psb_s_csr_clean_zeros(a, info) import class(psb_s_csr_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(out) :: info end subroutine psb_s_csr_clean_zeros end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_to_coo interface subroutine psb_s_cp_csr_to_coo(a,b,info) import class(psb_s_csr_sparse_mat), intent(in) :: a class(psb_s_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_cp_csr_to_coo end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_from_coo interface subroutine psb_s_cp_csr_from_coo(a,b,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a class(psb_s_coo_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_cp_csr_from_coo end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_to_fmt interface subroutine psb_s_cp_csr_to_fmt(a,b,info) import class(psb_s_csr_sparse_mat), intent(in) :: a class(psb_s_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_cp_csr_to_fmt end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_from_fmt interface subroutine psb_s_cp_csr_from_fmt(a,b,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a class(psb_s_base_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_cp_csr_from_fmt end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_mv_to_coo interface subroutine psb_s_mv_csr_to_coo(a,b,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a class(psb_s_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_mv_csr_to_coo end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_mv_from_coo interface subroutine psb_s_mv_csr_from_coo(a,b,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a class(psb_s_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_mv_csr_from_coo end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_mv_to_fmt interface subroutine psb_s_mv_csr_to_fmt(a,b,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a class(psb_s_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_mv_csr_to_fmt end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_mv_from_fmt interface subroutine psb_s_mv_csr_from_fmt(a,b,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a class(psb_s_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_mv_csr_from_fmt end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_from interface subroutine psb_s_csr_cp_from(a,b) import class(psb_s_csr_sparse_mat), intent(inout) :: a type(psb_s_csr_sparse_mat), intent(in) :: b end subroutine psb_s_csr_cp_from end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_mv_from interface subroutine psb_s_csr_mv_from(a,b) import class(psb_s_csr_sparse_mat), intent(inout) :: a type(psb_s_csr_sparse_mat), intent(inout) :: b end subroutine psb_s_csr_mv_from end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_csput_a interface subroutine psb_s_csr_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a real(psb_spk_), intent(in) :: val(:) integer(psb_ipk_), intent(in) :: nz,ia(:), ja(:),& & imin,imax,jmin,jmax integer(psb_ipk_), intent(out) :: info end subroutine psb_s_csr_csput_a end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_base_mat_mod::psb_base_csgetptn interface subroutine psb_s_csr_csgetptn(imin,imax,a,nz,ia,ja,info,& & jmin,jmax,iren,append,nzin,rscale,cscale) import class(psb_s_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 end subroutine psb_s_csr_csgetptn end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_csgetrow interface subroutine psb_s_csr_csgetrow(imin,imax,a,nz,ia,ja,val,info,& & jmin,jmax,iren,append,nzin,rscale,cscale,chksz) import class(psb_s_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_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_csr_csgetrow end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cssv interface subroutine psb_s_csr_cssv(alpha,a,x,beta,y,info,trans) import class(psb_s_csr_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_csr_cssv end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cssm interface subroutine psb_s_csr_cssm(alpha,a,x,beta,y,info,trans) import class(psb_s_csr_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_csr_cssm end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_csmv interface subroutine psb_s_csr_csmv(alpha,a,x,beta,y,info,trans) import class(psb_s_csr_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_csr_csmv end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_csmm interface subroutine psb_s_csr_csmm(alpha,a,x,beta,y,info,trans) import class(psb_s_csr_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_csr_csmm end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_maxval interface function psb_s_csr_maxval(a) result(res) import class(psb_s_csr_sparse_mat), intent(in) :: a real(psb_spk_) :: res end function psb_s_csr_maxval end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_csnmi interface function psb_s_csr_csnmi(a) result(res) import class(psb_s_csr_sparse_mat), intent(in) :: a real(psb_spk_) :: res end function psb_s_csr_csnmi end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_rowsum interface subroutine psb_s_csr_rowsum(d,a) import class(psb_s_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_s_csr_rowsum end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_arwsum interface subroutine psb_s_csr_arwsum(d,a) import class(psb_s_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_s_csr_arwsum end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_colsum interface subroutine psb_s_csr_colsum(d,a) import class(psb_s_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_s_csr_colsum end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_aclsum interface subroutine psb_s_csr_aclsum(d,a) import class(psb_s_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_s_csr_aclsum end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_get_diag interface subroutine psb_s_csr_get_diag(a,d,info) import class(psb_s_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) integer(psb_ipk_), intent(out) :: info end subroutine psb_s_csr_get_diag end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_scal interface subroutine psb_s_csr_scal(d,a,info,side) import class(psb_s_csr_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_csr_scal end interface !> \memberof psb_s_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_scals interface subroutine psb_s_csr_scals(d,a,info) import class(psb_s_csr_sparse_mat), intent(inout) :: a real(psb_spk_), intent(in) :: d integer(psb_ipk_), intent(out) :: info end subroutine psb_s_csr_scals end interface type, extends(psb_s_csr_sparse_mat) :: psb_s_ecsr_sparse_mat !> Number of non-empty rows integer(psb_ipk_) :: nnerws !> Indices of non-empty rows integer(psb_ipk_), allocatable :: nerwp(:) contains procedure, nopass :: get_fmt => s_ecsr_get_fmt ! procedure, pass(a) :: csmm => psb_s_ecsr_csmm procedure, pass(a) :: csmv => psb_s_ecsr_csmv procedure, pass(a) :: cp_from_coo => psb_s_cp_ecsr_from_coo procedure, pass(a) :: cp_from_fmt => psb_s_cp_ecsr_from_fmt procedure, pass(a) :: mv_from_coo => psb_s_mv_ecsr_from_coo procedure, pass(a) :: mv_from_fmt => psb_s_mv_ecsr_from_fmt procedure, pass(a) :: cmp_nerwp => psb_s_ecsr_cmp_nerwp procedure, pass(a) :: free => s_ecsr_free procedure, pass(a) :: mold => psb_s_ecsr_mold end type psb_s_ecsr_sparse_mat !> \memberof psb_s_ecsr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_csmv interface subroutine psb_s_ecsr_csmv(alpha,a,x,beta,y,info,trans) import class(psb_s_ecsr_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_ecsr_csmv end interface !> \memberof psb_s_ecsr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_from_coo interface subroutine psb_s_ecsr_cmp_nerwp(a,info) import class(psb_s_ecsr_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(out) :: info end subroutine psb_s_ecsr_cmp_nerwp end interface !> \memberof psb_s_ecsr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_from_coo interface subroutine psb_s_cp_ecsr_from_coo(a,b,info) import class(psb_s_ecsr_sparse_mat), intent(inout) :: a class(psb_s_coo_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_cp_ecsr_from_coo end interface !> \memberof psb_s_ecsr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_cp_from_fmt interface subroutine psb_s_cp_ecsr_from_fmt(a,b,info) import class(psb_s_ecsr_sparse_mat), intent(inout) :: a class(psb_s_base_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_cp_ecsr_from_fmt end interface !> \memberof psb_s_ecsr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_mv_from_coo interface subroutine psb_s_mv_ecsr_from_coo(a,b,info) import class(psb_s_ecsr_sparse_mat), intent(inout) :: a class(psb_s_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_mv_ecsr_from_coo end interface !> \memberof psb_s_ecsr_sparse_mat !! \see psb_s_base_mat_mod::psb_s_base_mv_from_fmt interface subroutine psb_s_mv_ecsr_from_fmt(a,b,info) import class(psb_s_ecsr_sparse_mat), intent(inout) :: a class(psb_s_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_mv_ecsr_from_fmt end interface !> \memberof psb_s_ecsr_sparse_mat !| \see psb_base_mat_mod::psb_base_mold interface subroutine psb_s_ecsr_mold(a,b,info) import class(psb_s_ecsr_sparse_mat), intent(in) :: a class(psb_s_base_sparse_mat), intent(inout), allocatable :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_s_ecsr_mold end interface !> \namespace psb_base_mod \class psb_ls_csr_sparse_mat !! \extends psb_ls_base_mat_mod::psb_ls_base_sparse_mat !! !! psb_ls_csr_sparse_mat type and the related methods. !! This is a very common storage type, and is the default for assembled !! matrices in our library type, extends(psb_ls_base_sparse_mat) :: psb_ls_csr_sparse_mat !> Pointers to beginning of rows in JA and VAL. integer(psb_lpk_), allocatable :: irp(:) !> Column indices. integer(psb_lpk_), allocatable :: ja(:) !> Coefficient values. real(psb_spk_), allocatable :: val(:) contains procedure, pass(a) :: is_by_rows => ls_csr_is_by_rows procedure, pass(a) :: get_size => ls_csr_get_size procedure, pass(a) :: get_nzeros => ls_csr_get_nzeros procedure, nopass :: get_fmt => ls_csr_get_fmt procedure, pass(a) :: sizeof => ls_csr_sizeof procedure, pass(a) :: reallocate_nz => psb_ls_csr_reallocate_nz procedure, pass(a) :: allocate_mnnz => psb_ls_csr_allocate_mnnz procedure, pass(a) :: tril => psb_ls_csr_tril procedure, pass(a) :: triu => psb_ls_csr_triu procedure, pass(a) :: cp_to_coo => psb_ls_cp_csr_to_coo procedure, pass(a) :: cp_from_coo => psb_ls_cp_csr_from_coo procedure, pass(a) :: cp_to_fmt => psb_ls_cp_csr_to_fmt procedure, pass(a) :: cp_from_fmt => psb_ls_cp_csr_from_fmt procedure, pass(a) :: mv_to_coo => psb_ls_mv_csr_to_coo procedure, pass(a) :: mv_from_coo => psb_ls_mv_csr_from_coo procedure, pass(a) :: mv_to_fmt => psb_ls_mv_csr_to_fmt procedure, pass(a) :: mv_from_fmt => psb_ls_mv_csr_from_fmt procedure, pass(a) :: clean_zeros => psb_ls_csr_clean_zeros procedure, pass(a) :: csput_a => psb_ls_csr_csput_a procedure, pass(a) :: get_diag => psb_ls_csr_get_diag procedure, pass(a) :: csgetptn => psb_ls_csr_csgetptn procedure, pass(a) :: csgetrow => psb_ls_csr_csgetrow procedure, pass(a) :: get_nz_row => ls_csr_get_nz_row procedure, pass(a) :: reinit => psb_ls_csr_reinit procedure, pass(a) :: trim => psb_ls_csr_trim procedure, pass(a) :: print => psb_ls_csr_print procedure, pass(a) :: free => ls_csr_free procedure, pass(a) :: mold => psb_ls_csr_mold procedure, pass(a) :: scals => psb_ls_csr_scals procedure, pass(a) :: scalv => psb_ls_csr_scal procedure, pass(a) :: maxval => psb_ls_csr_maxval procedure, pass(a) :: spnmi => psb_ls_csr_csnmi procedure, pass(a) :: rowsum => psb_ls_csr_rowsum procedure, pass(a) :: arwsum => psb_ls_csr_arwsum procedure, pass(a) :: colsum => psb_ls_csr_colsum procedure, pass(a) :: aclsum => psb_ls_csr_aclsum end type psb_ls_csr_sparse_mat private :: ls_csr_get_nzeros, ls_csr_free, ls_csr_get_fmt, & & ls_csr_get_size, ls_csr_sizeof, ls_csr_get_nz_row, & & ls_csr_is_by_rows !> \memberof psb_ls_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_reallocate_nz interface subroutine psb_ls_csr_reallocate_nz(nz,a) import integer(psb_lpk_), intent(in) :: nz class(psb_ls_csr_sparse_mat), intent(inout) :: a end subroutine psb_ls_csr_reallocate_nz end interface !> \memberof psb_ls_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_reinit interface subroutine psb_ls_csr_reinit(a,clear) import class(psb_ls_csr_sparse_mat), intent(inout) :: a logical, intent(in), optional :: clear end subroutine psb_ls_csr_reinit end interface !> \memberof psb_ls_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_trim interface subroutine psb_ls_csr_trim(a) import class(psb_ls_csr_sparse_mat), intent(inout) :: a end subroutine psb_ls_csr_trim end interface !> \memberof psb_ls_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_mold interface subroutine psb_ls_csr_mold(a,b,info) import class(psb_ls_csr_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_csr_mold end interface !> \memberof psb_ls_csr_sparse_mat !| \see psb_base_mat_mod::psb_base_allocate_mnnz interface subroutine psb_ls_csr_allocate_mnnz(m,n,a,nz) import integer(psb_lpk_), intent(in) :: m,n class(psb_ls_csr_sparse_mat), intent(inout) :: a integer(psb_lpk_), intent(in), optional :: nz end subroutine psb_ls_csr_allocate_mnnz end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_print interface subroutine psb_ls_csr_print(iout,a,iv,head,ivr,ivc) import integer(psb_ipk_), intent(in) :: iout class(psb_ls_csr_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_csr_print end interface ! !> Function tril: !! \memberof psb_s_base_sparse_mat !! \brief Copy the lower triangle, i.e. all entries !! A(I,J) such that J-I <= DIAG !! default value is DIAG=0, i.e. lower triangle up to !! the main diagonal. !! DIAG=-1 means copy the strictly lower triangle !! DIAG= 1 means copy the lower triangle plus the first diagonal !! of the upper triangle. !! Moreover, apply a clipping by copying entries A(I,J) only if !! IMIN<=I<=IMAX !! JMIN<=J<=JMAX !! !! \param l the output (sub)matrix !! \param info return code !! \param diag [0] the last diagonal (J-I) to be considered. !! \param imin [1] the minimum row index we are interested in !! \param imax [a\%get_nrows()] the minimum row index we are interested in !! \param jmin [1] minimum col index !! \param jmax [a\%get_ncols()] maximum col index !! \param iren(:) [none] an array to return renumbered indices (iren(ia(:)),iren(ja(:)) !! \param rscale [false] map [min(ia(:)):max(ia(:))] onto [1:max(ia(:))-min(ia(:))+1] !! \param cscale [false] map [min(ja(:)):max(ja(:))] onto [1:max(ja(:))-min(ja(:))+1] !! ( iren cannot be specified with rscale/cscale) !! \param append [false] append to ia,ja !! \param nzin [none] if append, then first new entry should go in entry nzin+1 !! \param u [none] copy of the complementary triangle !! ! interface subroutine psb_ls_csr_tril(a,l,info,diag,imin,imax,& & jmin,jmax,rscale,cscale,u) import class(psb_ls_csr_sparse_mat), intent(in) :: a class(psb_ls_coo_sparse_mat), intent(out) :: l integer(psb_ipk_),intent(out) :: info integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax logical, intent(in), optional :: rscale,cscale class(psb_ls_coo_sparse_mat), optional, intent(out) :: u end subroutine psb_ls_csr_tril end interface ! !> Function triu: !! \memberof psb_s_csr_sparse_mat !! \brief Copy the upper triangle, i.e. all entries !! A(I,J) such that DIAG <= J-I !! default value is DIAG=0, i.e. upper triangle from !! the main diagonal up. !! DIAG= 1 means copy the strictly upper triangle !! DIAG=-1 means copy the upper triangle plus the first diagonal !! of the lower triangle. !! Moreover, apply a clipping by copying entries A(I,J) only if !! IMIN<=I<=IMAX !! JMIN<=J<=JMAX !! Optionally copies the lower triangle at the same time !! !! \param u the output (sub)matrix !! \param info return code !! \param diag [0] the last diagonal (J-I) to be considered. !! \param imin [1] the minimum row index we are interested in !! \param imax [a\%get_nrows()] the minimum row index we are interested in !! \param jmin [1] minimum col index !! \param jmax [a\%get_ncols()] maximum col index !! \param iren(:) [none] an array to return renumbered indices (iren(ia(:)),iren(ja(:)) !! \param rscale [false] map [min(ia(:)):max(ia(:))] onto [1:max(ia(:))-min(ia(:))+1] !! \param cscale [false] map [min(ja(:)):max(ja(:))] onto [1:max(ja(:))-min(ja(:))+1] !! ( iren cannot be specified with rscale/cscale) !! \param append [false] append to ia,ja !! \param nzin [none] if append, then first new entry should go in entry nzin+1 !! \param l [none] copy of the complementary triangle !! ! interface subroutine psb_ls_csr_triu(a,u,info,diag,imin,imax,& & jmin,jmax,rscale,cscale,l) import class(psb_ls_csr_sparse_mat), intent(in) :: a class(psb_ls_coo_sparse_mat), intent(out) :: u integer(psb_ipk_),intent(out) :: info integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax logical, intent(in), optional :: rscale,cscale class(psb_ls_coo_sparse_mat), optional, intent(out) :: l end subroutine psb_ls_csr_triu end interface ! !> !! \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_clean_zeros ! interface subroutine psb_ls_csr_clean_zeros(a, info) import class(psb_ls_csr_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(out) :: info end subroutine psb_ls_csr_clean_zeros end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_cp_to_coo interface subroutine psb_ls_cp_csr_to_coo(a,b,info) import class(psb_ls_csr_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_csr_to_coo end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_cp_from_coo interface subroutine psb_ls_cp_csr_from_coo(a,b,info) import class(psb_ls_csr_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_csr_from_coo end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_cp_to_fmt interface subroutine psb_ls_cp_csr_to_fmt(a,b,info) import class(psb_ls_csr_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_csr_to_fmt end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_cp_from_fmt interface subroutine psb_ls_cp_csr_from_fmt(a,b,info) import class(psb_ls_csr_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_csr_from_fmt end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_mv_to_coo interface subroutine psb_ls_mv_csr_to_coo(a,b,info) import class(psb_ls_csr_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_csr_to_coo end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_mv_from_coo interface subroutine psb_ls_mv_csr_from_coo(a,b,info) import class(psb_ls_csr_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_csr_from_coo end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_mv_to_fmt interface subroutine psb_ls_mv_csr_to_fmt(a,b,info) import class(psb_ls_csr_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_csr_to_fmt end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_mv_from_fmt interface subroutine psb_ls_mv_csr_from_fmt(a,b,info) import class(psb_ls_csr_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_csr_from_fmt end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_cp_from interface subroutine psb_ls_csr_cp_from(a,b) import class(psb_ls_csr_sparse_mat), intent(inout) :: a type(psb_ls_csr_sparse_mat), intent(in) :: b end subroutine psb_ls_csr_cp_from end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_mv_from interface subroutine psb_ls_csr_mv_from(a,b) import class(psb_ls_csr_sparse_mat), intent(inout) :: a type(psb_ls_csr_sparse_mat), intent(inout) :: b end subroutine psb_ls_csr_mv_from end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_csput_a interface subroutine psb_ls_csr_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info) import class(psb_ls_csr_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_csr_csput_a end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_base_mat_mod::psb_base_csgetptn interface subroutine psb_ls_csr_csgetptn(imin,imax,a,nz,ia,ja,info,& & jmin,jmax,iren,append,nzin,rscale,cscale) import class(psb_ls_csr_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_csr_csgetptn end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_csgetrow interface subroutine psb_ls_csr_csgetrow(imin,imax,a,nz,ia,ja,val,info,& & jmin,jmax,iren,append,nzin,rscale,cscale) import class(psb_ls_csr_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_csr_csgetrow end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_get_diag interface subroutine psb_ls_csr_get_diag(a,d,info) import class(psb_ls_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) integer(psb_ipk_), intent(out) :: info end subroutine psb_ls_csr_get_diag end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_scal interface subroutine psb_ls_csr_scal(d,a,info,side) import class(psb_ls_csr_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_csr_scal end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_ls_base_mat_mod::psb_ls_base_scals interface subroutine psb_ls_csr_scals(d,a,info) import class(psb_ls_csr_sparse_mat), intent(inout) :: a real(psb_spk_), intent(in) :: d integer(psb_ipk_), intent(out) :: info end subroutine psb_ls_csr_scals end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_ls_base_maxval interface function psb_ls_csr_maxval(a) result(res) import class(psb_ls_csr_sparse_mat), intent(in) :: a real(psb_spk_) :: res end function psb_ls_csr_maxval end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_ls_base_csnmi interface function psb_ls_csr_csnmi(a) result(res) import class(psb_ls_csr_sparse_mat), intent(in) :: a real(psb_spk_) :: res end function psb_ls_csr_csnmi end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_ls_base_rowsum interface subroutine psb_ls_csr_rowsum(d,a) import class(psb_ls_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_ls_csr_rowsum end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_ls_base_arwsum interface subroutine psb_ls_csr_arwsum(d,a) import class(psb_ls_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_ls_csr_arwsum end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_ls_base_colsum interface subroutine psb_ls_csr_colsum(d,a) import class(psb_ls_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_ls_csr_colsum end interface !> \memberof psb_ls_csr_sparse_mat !! \see psb_s_base_mat_mod::psb_ls_base_aclsum interface subroutine psb_ls_csr_aclsum(d,a) import class(psb_ls_csr_sparse_mat), intent(in) :: a real(psb_spk_), intent(out) :: d(:) end subroutine psb_ls_csr_aclsum end interface contains ! == =================================== ! ! ! ! Getters ! ! ! ! ! ! == =================================== function s_csr_is_by_rows(a) result(res) implicit none class(psb_s_csr_sparse_mat), intent(in) :: a logical :: res res = .true. end function s_csr_is_by_rows function s_csr_sizeof(a) result(res) implicit none class(psb_s_csr_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%irp) res = res + psb_sizeof_ip * psb_size(a%ja) end function s_csr_sizeof function s_csr_get_fmt() result(res) implicit none character(len=5) :: res res = 'CSR' end function s_csr_get_fmt function s_csr_get_nzeros(a) result(res) implicit none class(psb_s_csr_sparse_mat), intent(in) :: a integer(psb_ipk_) :: res res = a%irp(a%get_nrows()+1)-1 end function s_csr_get_nzeros function s_csr_get_size(a) result(res) implicit none class(psb_s_csr_sparse_mat), intent(in) :: a integer(psb_ipk_) :: res res = -1 if (allocated(a%ja)) then res = size(a%ja) 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_csr_get_size function s_csr_get_nz_row(idx,a) result(res) implicit none class(psb_s_csr_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%irp(idx+1)-a%irp(idx) end if end function s_csr_get_nz_row ! == =================================== ! ! ! ! Data management ! ! ! ! ! ! == =================================== subroutine s_csr_free(a) implicit none class(psb_s_csr_sparse_mat), intent(inout) :: a if (allocated(a%irp)) deallocate(a%irp) if (allocated(a%ja)) deallocate(a%ja) 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_csr_free function s_ecsr_get_fmt() result(res) implicit none character(len=5) :: res res = 'ECSR' end function s_ecsr_get_fmt subroutine s_ecsr_free(a) implicit none class(psb_s_ecsr_sparse_mat), intent(inout) :: a if (allocated(a%nerwp)) deallocate(a%nerwp) a%nnerws = 0 call a%psb_s_csr_sparse_mat%free() return end subroutine s_ecsr_free ! == =================================== ! ! ! ! Getters ! ! ! ! ! ! == =================================== function ls_csr_is_by_rows(a) result(res) implicit none class(psb_ls_csr_sparse_mat), intent(in) :: a logical :: res res = .true. end function ls_csr_is_by_rows function ls_csr_sizeof(a) result(res) implicit none class(psb_ls_csr_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%irp) res = res + psb_sizeof_lp * psb_size(a%ja) end function ls_csr_sizeof function ls_csr_get_fmt() result(res) implicit none character(len=5) :: res res = 'CSR' end function ls_csr_get_fmt function ls_csr_get_nzeros(a) result(res) implicit none class(psb_ls_csr_sparse_mat), intent(in) :: a integer(psb_lpk_) :: res res = a%irp(a%get_nrows()+1)-1 end function ls_csr_get_nzeros function ls_csr_get_size(a) result(res) implicit none class(psb_ls_csr_sparse_mat), intent(in) :: a integer(psb_lpk_) :: res res = -1 if (allocated(a%ja)) then res = size(a%ja) 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_csr_get_size function ls_csr_get_nz_row(idx,a) result(res) implicit none class(psb_ls_csr_sparse_mat), intent(in) :: a integer(psb_lpk_), intent(in) :: idx integer(psb_lpk_) :: res res = 0 if ((1<=idx).and.(idx<=a%get_nrows())) then res = a%irp(idx+1)-a%irp(idx) end if end function ls_csr_get_nz_row ! == =================================== ! ! ! ! Data management ! ! ! ! ! ! == =================================== subroutine ls_csr_free(a) implicit none class(psb_ls_csr_sparse_mat), intent(inout) :: a if (allocated(a%irp)) deallocate(a%irp) if (allocated(a%ja)) deallocate(a%ja) 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_csr_free end module psb_s_csr_mat_mod