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299 lines
8.0 KiB
Fortran
299 lines
8.0 KiB
Fortran
module psbn_base_mat_mod
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use psb_const_mod
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integer, parameter :: psbn_spmat_null_=0, psbn_spmat_bld_=1
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integer, parameter :: psbn_spmat_asb_=2, psbn_spmat_upd_=4
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integer, parameter :: psbn_ireg_flgs_=10, psbn_ip2_=0
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integer, parameter :: psbn_iflag_=2, psbn_ichk_=3
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integer, parameter :: psbn_nnzt_=4, psbn_zero_=5,psbn_ipc_=6
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! Duplicate coefficients handling
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! These are usually set while calling spcnv as one of its
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! optional arugments.
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integer, parameter :: psbn_dupl_ovwrt_ = 0
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integer, parameter :: psbn_dupl_add_ = 1
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integer, parameter :: psbn_dupl_err_ = 2
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integer, parameter :: psbn_dupl_def_ = psbn_dupl_ovwrt_
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! Matrix update mode
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integer, parameter :: psbn_upd_srch_ = 98764
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integer, parameter :: psbn_upd_perm_ = 98765
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integer, parameter :: psbn_upd_dflt_ = psbn_upd_srch_
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integer, parameter :: psbn_maxjdrows_=8, psbn_minjdrows_=4
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integer, parameter :: psbn_dbleint_=2
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character(len=5) :: psbn_fidef_='CSR'
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type :: psbn_base_sparse_mat
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integer :: m, n
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integer, private :: state, duplicate
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logical, private :: triangle, unitd, upper, sorted
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contains
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procedure, pass(a) :: get_nrows
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procedure, pass(a) :: get_ncols
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procedure, pass(a) :: get_nzeros
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procedure, pass(a) :: get_size
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procedure, pass(a) :: get_state
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procedure, pass(a) :: get_dupl
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procedure, pass(a) :: is_null
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procedure, pass(a) :: is_bld
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procedure, pass(a) :: is_upd
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procedure, pass(a) :: is_asb
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procedure, pass(a) :: is_sorted
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procedure, pass(a) :: is_upper
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procedure, pass(a) :: is_lower
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procedure, pass(a) :: is_triangle
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procedure, pass(a) :: is_unit
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procedure, pass(a) :: get_neigh
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procedure, pass(a) :: allocate_mn
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procedure, pass(a) :: allocate_mnnz
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procedure, pass(a) :: reallocate_nz
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procedure, pass(a) :: free
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generic, public :: allocate => allocate_mn, allocate_mnnz
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generic, public :: reallocate => reallocate_nz
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end type psbn_base_sparse_mat
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contains
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function get_dupl(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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integer :: res
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res = a%duplicate
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end function get_dupl
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function get_state(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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integer :: res
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res = a%state
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end function get_state
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function get_nrows(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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integer :: res
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res = a%m
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end function get_nrows
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function get_ncols(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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integer :: res
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res = a%n
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end function get_ncols
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function is_triangle(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = a%triangle
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end function is_triangle
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function is_unit(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = a%unitd
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end function is_unit
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function is_upper(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = a%upper
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end function is_upper
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function is_lower(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = .not.a%upper
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end function is_lower
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function is_null(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%state == psbn_spmat_null_)
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end function is_null
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function is_bld(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%state == psbn_spmat_bld_)
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end function is_bld
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function is_upd(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%state == psbn_spmat_upd_)
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end function is_upd
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function is_asb(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%state == psbn_spmat_asb_)
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end function is_asb
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function is_sorted(a) result(res)
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class(psbn_base_sparse_mat), intent(in) :: a
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logical :: res
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res = a%sorted
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end function is_sorted
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function get_nzeros(a) result(res)
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use psb_error_mod
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class(psbn_base_sparse_mat), intent(in) :: a
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integer :: res
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Integer :: err_act
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character(len=20) :: name='base_get_nzeros'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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res = -1
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! This is the base version. If we get here
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! it means the derived class is incomplete,
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! so we throw an error.
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call psb_errpush(700,name)
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if (err_act /= psb_act_ret_) then
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call psb_error()
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end if
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return
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end function get_nzeros
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function get_size(a) result(res)
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use psb_error_mod
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class(psbn_base_sparse_mat), intent(in) :: a
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integer :: res
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Integer :: err_act
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character(len=20) :: name='get_size'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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res = -1
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! This is the base version. If we get here
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! it means the derived class is incomplete,
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! so we throw an error.
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call psb_errpush(700,name)
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if (err_act /= psb_act_ret_) then
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call psb_error()
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end if
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return
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end function get_size
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subroutine get_neigh(a,idx,neigh,n,info,lev)
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use psb_error_mod
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class(psbn_base_sparse_mat), intent(in) :: a
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integer, intent(in) :: idx
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integer, intent(out) :: n
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integer, allocatable, intent(out) :: neigh(:)
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integer, intent(out) :: info
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integer, optional, intent(in) :: lev
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Integer :: err_act
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character(len=20) :: name='get_neigh'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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info = 700
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! This is the base version. If we get here
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! it means the derived class is incomplete,
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! so we throw an error.
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call psb_errpush(700,name)
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if (err_act /= psb_act_ret_) then
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call psb_error()
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end if
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return
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end subroutine get_neigh
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subroutine allocate_mn(m,n,a)
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use psb_error_mod
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integer, intent(in) :: m,n
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class(psbn_base_sparse_mat), intent(inout) :: a
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Integer :: err_act
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character(len=20) :: name='allocate_mn'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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! This is the base version. If we get here
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! it means the derived class is incomplete,
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! so we throw an error.
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call psb_errpush(700,name)
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if (err_act /= psb_act_ret_) then
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call psb_error()
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end if
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return
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end subroutine allocate_mn
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subroutine allocate_mnnz(m,n,nz,a)
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use psb_error_mod
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integer, intent(in) :: m,n,nz
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class(psbn_base_sparse_mat), intent(inout) :: a
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Integer :: err_act
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character(len=20) :: name='allocate_mnz'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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! This is the base version. If we get here
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! it means the derived class is incomplete,
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! so we throw an error.
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call psb_errpush(700,name)
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if (err_act /= psb_act_ret_) then
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call psb_error()
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end if
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return
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end subroutine allocate_mnnz
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subroutine reallocate_nz(nz,a)
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use psb_error_mod
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integer, intent(in) :: nz
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class(psbn_base_sparse_mat), intent(inout) :: a
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Integer :: err_act
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character(len=20) :: name='reallocate_nz'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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! This is the base version. If we get here
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! it means the derived class is incomplete,
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! so we throw an error.
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call psb_errpush(700,name)
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if (err_act /= psb_act_ret_) then
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call psb_error()
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end if
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return
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end subroutine reallocate_nz
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subroutine free(a)
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use psb_error_mod
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class(psbn_base_sparse_mat), intent(inout) :: a
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Integer :: err_act
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character(len=20) :: name='free'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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! This is the base version. If we get here
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! it means the derived class is incomplete,
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! so we throw an error.
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call psb_errpush(700,name)
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if (err_act /= psb_act_ret_) then
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call psb_error()
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end if
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return
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end subroutine free
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end module psbn_base_mat_mod
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