! ! 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_d_xyz_mat_mod ! ! This module contains the definition of the psb_d_xyz_sparse_mat type ! which is just an example of how to build a new storage format. ! Indeed this is simply CSR under a new name. ! ! Please refere to psb_d_base_mat_mod for a detailed description ! of the various methods, and to psb_d_xyz_impl for implementation details. ! module psb_d_xyz_mat_mod use psb_d_base_mat_mod !> \namespace psb_base_mod \class psb_d_xyz_sparse_mat !! \extends psb_d_base_mat_mod::psb_d_base_sparse_mat !! !! psb_d_xyz_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_d_base_sparse_mat) :: psb_d_xyz_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_dpk_), allocatable :: val(:) contains procedure, pass(a) :: is_by_rows => d_xyz_is_by_rows procedure, pass(a) :: get_size => d_xyz_get_size procedure, pass(a) :: get_nzeros => d_xyz_get_nzeros procedure, nopass :: get_fmt => d_xyz_get_fmt procedure, pass(a) :: sizeof => d_xyz_sizeof procedure, pass(a) :: csmm => psb_d_xyz_csmm procedure, pass(a) :: csmv => psb_d_xyz_csmv procedure, pass(a) :: inner_cssm => psb_d_xyz_cssm procedure, pass(a) :: inner_cssv => psb_d_xyz_cssv procedure, pass(a) :: scals => psb_d_xyz_scals procedure, pass(a) :: scalv => psb_d_xyz_scal procedure, pass(a) :: maxval => psb_d_xyz_maxval procedure, pass(a) :: spnmi => psb_d_xyz_csnmi procedure, pass(a) :: spnm1 => psb_d_xyz_csnm1 procedure, pass(a) :: rowsum => psb_d_xyz_rowsum procedure, pass(a) :: arwsum => psb_d_xyz_arwsum procedure, pass(a) :: colsum => psb_d_xyz_colsum procedure, pass(a) :: aclsum => psb_d_xyz_aclsum procedure, pass(a) :: reallocate_nz => psb_d_xyz_reallocate_nz procedure, pass(a) :: allocate_mnnz => psb_d_xyz_allocate_mnnz procedure, pass(a) :: cp_to_coo => psb_d_cp_xyz_to_coo procedure, pass(a) :: cp_from_coo => psb_d_cp_xyz_from_coo procedure, pass(a) :: cp_to_fmt => psb_d_cp_xyz_to_fmt procedure, pass(a) :: cp_from_fmt => psb_d_cp_xyz_from_fmt procedure, pass(a) :: mv_to_coo => psb_d_mv_xyz_to_coo procedure, pass(a) :: mv_from_coo => psb_d_mv_xyz_from_coo procedure, pass(a) :: mv_to_fmt => psb_d_mv_xyz_to_fmt procedure, pass(a) :: mv_from_fmt => psb_d_mv_xyz_from_fmt procedure, pass(a) :: csput_a => psb_d_xyz_csput_a procedure, pass(a) :: get_diag => psb_d_xyz_get_diag procedure, pass(a) :: csgetptn => psb_d_xyz_csgetptn procedure, pass(a) :: csgetrow => psb_d_xyz_csgetrow procedure, pass(a) :: get_nz_row => d_xyz_get_nz_row procedure, pass(a) :: reinit => psb_d_xyz_reinit procedure, pass(a) :: trim => psb_d_xyz_trim procedure, pass(a) :: print => psb_d_xyz_print procedure, pass(a) :: free => d_xyz_free procedure, pass(a) :: mold => psb_d_xyz_mold end type psb_d_xyz_sparse_mat private :: d_xyz_get_nzeros, d_xyz_free, d_xyz_get_fmt, & & d_xyz_get_size, d_xyz_sizeof, d_xyz_get_nz_row !> \memberof psb_d_xyz_sparse_mat !| \see psb_base_mat_mod::psb_base_reallocate_nz interface subroutine psb_d_xyz_reallocate_nz(nz,a) import :: psb_ipk_, psb_d_xyz_sparse_mat integer(psb_ipk_), intent(in) :: nz class(psb_d_xyz_sparse_mat), intent(inout) :: a end subroutine psb_d_xyz_reallocate_nz end interface !> \memberof psb_d_xyz_sparse_mat !| \see psb_base_mat_mod::psb_base_reinit interface subroutine psb_d_xyz_reinit(a,clear) import :: psb_ipk_, psb_d_xyz_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a logical, intent(in), optional :: clear end subroutine psb_d_xyz_reinit end interface !> \memberof psb_d_xyz_sparse_mat !| \see psb_base_mat_mod::psb_base_trim interface subroutine psb_d_xyz_trim(a) import :: psb_ipk_, psb_d_xyz_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a end subroutine psb_d_xyz_trim end interface !> \memberof psb_d_xyz_sparse_mat !| \see psb_base_mat_mod::psb_base_mold interface subroutine psb_d_xyz_mold(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_base_sparse_mat, psb_epk_ class(psb_d_xyz_sparse_mat), intent(in) :: a class(psb_d_base_sparse_mat), intent(inout), allocatable :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_xyz_mold end interface !> \memberof psb_d_xyz_sparse_mat !| \see psb_base_mat_mod::psb_base_allocate_mnnz interface subroutine psb_d_xyz_allocate_mnnz(m,n,a,nz) import :: psb_ipk_, psb_d_xyz_sparse_mat integer(psb_ipk_), intent(in) :: m,n class(psb_d_xyz_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(in), optional :: nz end subroutine psb_d_xyz_allocate_mnnz end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_print interface subroutine psb_d_xyz_print(iout,a,iv,head,ivr,ivc) import :: psb_ipk_, psb_d_xyz_sparse_mat integer(psb_ipk_), intent(in) :: iout class(psb_d_xyz_sparse_mat), intent(in) :: a integer(psb_ipk_), intent(in), optional :: iv(:) character(len=*), optional :: head integer(psb_ipk_), intent(in), optional :: ivr(:), ivc(:) end subroutine psb_d_xyz_print end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_cp_to_coo interface subroutine psb_d_cp_xyz_to_coo(a,b,info) import :: psb_ipk_, psb_d_coo_sparse_mat, psb_d_xyz_sparse_mat class(psb_d_xyz_sparse_mat), intent(in) :: a class(psb_d_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_cp_xyz_to_coo end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_cp_from_coo interface subroutine psb_d_cp_xyz_from_coo(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_coo_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a class(psb_d_coo_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_cp_xyz_from_coo end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_cp_to_fmt interface subroutine psb_d_cp_xyz_to_fmt(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_base_sparse_mat class(psb_d_xyz_sparse_mat), intent(in) :: a class(psb_d_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_cp_xyz_to_fmt end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_cp_from_fmt interface subroutine psb_d_cp_xyz_from_fmt(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_base_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a class(psb_d_base_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_cp_xyz_from_fmt end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_mv_to_coo interface subroutine psb_d_mv_xyz_to_coo(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_coo_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a class(psb_d_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_mv_xyz_to_coo end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_mv_from_coo interface subroutine psb_d_mv_xyz_from_coo(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_coo_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a class(psb_d_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_mv_xyz_from_coo end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_mv_to_fmt interface subroutine psb_d_mv_xyz_to_fmt(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_base_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a class(psb_d_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_mv_xyz_to_fmt end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_mv_from_fmt interface subroutine psb_d_mv_xyz_from_fmt(a,b,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_d_base_sparse_mat class(psb_d_xyz_sparse_mat), intent(inout) :: a class(psb_d_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_d_mv_xyz_from_fmt end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_cp_from interface subroutine psb_d_xyz_cp_from(a,b) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(inout) :: a type(psb_d_xyz_sparse_mat), intent(in) :: b end subroutine psb_d_xyz_cp_from end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_mv_from interface subroutine psb_d_xyz_mv_from(a,b) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(inout) :: a type(psb_d_xyz_sparse_mat), intent(inout) :: b end subroutine psb_d_xyz_mv_from end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_csput interface subroutine psb_d_xyz_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(inout) :: a real(psb_dpk_), intent(in) :: val(:) integer(psb_ipk_), intent(in) :: nz,ia(:), ja(:),& & imin,imax,jmin,jmax integer(psb_ipk_), intent(out) :: info integer(psb_ipk_), intent(in), optional :: gtl(:) end subroutine psb_d_xyz_csput_a end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_base_mat_mod::psb_base_csgetptn interface subroutine psb_d_xyz_csgetptn(imin,imax,a,nz,ia,ja,info,& & jmin,jmax,iren,append,nzin,rscale,cscale) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_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_d_xyz_csgetptn end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_csgetrow interface subroutine psb_d_xyz_csgetrow(imin,imax,a,nz,ia,ja,val,info,& & jmin,jmax,iren,append,nzin,rscale,cscale,chksz) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a integer(psb_ipk_), intent(in) :: imin,imax integer(psb_ipk_), intent(out) :: nz integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:) real(psb_dpk_), allocatable, intent(inout) :: val(:) integer(psb_ipk_),intent(out) :: info logical, intent(in), optional :: append integer(psb_ipk_), intent(in), optional :: iren(:) integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin logical, intent(in), optional :: rscale,cscale,chksz end subroutine psb_d_xyz_csgetrow end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_csgetblk interface subroutine psb_d_xyz_csgetblk(imin,imax,a,b,info,& & jmin,jmax,iren,append,rscale,cscale) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_, psb_d_coo_sparse_mat class(psb_d_xyz_sparse_mat), intent(in) :: a class(psb_d_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(in) :: imin,imax integer(psb_ipk_),intent(out) :: info logical, intent(in), optional :: append integer(psb_ipk_), intent(in), optional :: iren(:) integer(psb_ipk_), intent(in), optional :: jmin,jmax logical, intent(in), optional :: rscale,cscale end subroutine psb_d_xyz_csgetblk end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_cssv interface subroutine psb_d_xyz_cssv(alpha,a,x,beta,y,info,trans) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(in) :: alpha, beta, x(:) real(psb_dpk_), intent(inout) :: y(:) integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_d_xyz_cssv end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_cssm interface subroutine psb_d_xyz_cssm(alpha,a,x,beta,y,info,trans) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(in) :: alpha, beta, x(:,:) real(psb_dpk_), intent(inout) :: y(:,:) integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_d_xyz_cssm end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_csmv interface subroutine psb_d_xyz_csmv(alpha,a,x,beta,y,info,trans) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(in) :: alpha, beta, x(:) real(psb_dpk_), intent(inout) :: y(:) integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_d_xyz_csmv end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_csmm interface subroutine psb_d_xyz_csmm(alpha,a,x,beta,y,info,trans) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(in) :: alpha, beta, x(:,:) real(psb_dpk_), intent(inout) :: y(:,:) integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_d_xyz_csmm end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_maxval interface function psb_d_xyz_maxval(a) result(res) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_) :: res end function psb_d_xyz_maxval end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_csnmi interface function psb_d_xyz_csnmi(a) result(res) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_) :: res end function psb_d_xyz_csnmi end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_csnm1 interface function psb_d_xyz_csnm1(a) result(res) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_) :: res end function psb_d_xyz_csnm1 end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_rowsum interface subroutine psb_d_xyz_rowsum(d,a) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(out) :: d(:) end subroutine psb_d_xyz_rowsum end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_arwsum interface subroutine psb_d_xyz_arwsum(d,a) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(out) :: d(:) end subroutine psb_d_xyz_arwsum end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_colsum interface subroutine psb_d_xyz_colsum(d,a) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(out) :: d(:) end subroutine psb_d_xyz_colsum end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_aclsum interface subroutine psb_d_xyz_aclsum(d,a) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(out) :: d(:) end subroutine psb_d_xyz_aclsum end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_get_diag interface subroutine psb_d_xyz_get_diag(a,d,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(in) :: a real(psb_dpk_), intent(out) :: d(:) integer(psb_ipk_), intent(out) :: info end subroutine psb_d_xyz_get_diag end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_scal interface subroutine psb_d_xyz_scal(d,a,info,side) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(inout) :: a real(psb_dpk_), intent(in) :: d(:) integer(psb_ipk_), intent(out) :: info character, intent(in), optional :: side end subroutine psb_d_xyz_scal end interface !> \memberof psb_d_xyz_sparse_mat !! \see psb_d_base_mat_mod::psb_d_base_scals interface subroutine psb_d_xyz_scals(d,a,info) import :: psb_ipk_, psb_d_xyz_sparse_mat, psb_dpk_ class(psb_d_xyz_sparse_mat), intent(inout) :: a real(psb_dpk_), intent(in) :: d integer(psb_ipk_), intent(out) :: info end subroutine psb_d_xyz_scals end interface contains ! == =================================== ! ! ! ! Getters ! ! ! ! ! ! == =================================== function d_xyz_is_by_rows(a) result(res) implicit none class(psb_d_xyz_sparse_mat), intent(in) :: a logical :: res res = .true. end function d_xyz_is_by_rows function d_xyz_sizeof(a) result(res) implicit none class(psb_d_xyz_sparse_mat), intent(in) :: a integer(psb_epk_) :: res res = 8 res = res + psb_sizeof_dp * size(a%val) res = res + psb_sizeof_ip * size(a%irp) res = res + psb_sizeof_ip * size(a%ja) end function d_xyz_sizeof function d_xyz_get_fmt() result(res) implicit none character(len=5) :: res res = 'XYZ' end function d_xyz_get_fmt function d_xyz_get_nzeros(a) result(res) implicit none class(psb_d_xyz_sparse_mat), intent(in) :: a integer(psb_ipk_) :: res res = a%irp(a%get_nrows()+1)-1 end function d_xyz_get_nzeros function d_xyz_get_size(a) result(res) implicit none class(psb_d_xyz_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 d_xyz_get_size function d_xyz_get_nz_row(idx,a) result(res) implicit none class(psb_d_xyz_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 d_xyz_get_nz_row ! == =================================== ! ! ! ! Data management ! ! ! ! ! ! == =================================== subroutine d_xyz_free(a) implicit none class(psb_d_xyz_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(izero) call a%set_ncols(izero) return end subroutine d_xyz_free end module psb_d_xyz_mat_mod