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588 lines
16 KiB
Fortran
588 lines
16 KiB
Fortran
module psb_d_base_vect_mod
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use psb_const_mod
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use psb_error_mod
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type psb_d_base_vect_type
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real(psb_dpk_), allocatable :: v(:)
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contains
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procedure, pass(x) :: get_nrows => d_base_get_nrows
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procedure, pass(x) :: sizeof => d_base_sizeof
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procedure, pass(x) :: dot_v => d_base_dot_v
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procedure, pass(x) :: dot_a => d_base_dot_a
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generic, public :: dot => dot_v, dot_a
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procedure, pass(y) :: axpby_v => d_base_axpby_v
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procedure, pass(y) :: axpby_a => d_base_axpby_a
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generic, public :: axpby => axpby_v, axpby_a
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procedure, pass(y) :: mlt_v => d_base_mlt_v
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procedure, pass(y) :: mlt_a => d_base_mlt_a
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procedure, pass(z) :: mlt_a_2 => d_base_mlt_a_2
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procedure, pass(z) :: mlt_v_2 => d_base_mlt_v_2
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procedure, pass(z) :: mlt_va => d_base_mlt_va
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procedure, pass(z) :: mlt_av => d_base_mlt_av
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generic, public :: mlt => mlt_v, mlt_a, mlt_a_2, mlt_v_2, mlt_av, mlt_va
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procedure, pass(x) :: scal => d_base_scal
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procedure, pass(x) :: nrm2 => d_base_nrm2
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procedure, pass(x) :: amax => d_base_amax
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procedure, pass(x) :: asum => d_base_asum
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procedure, pass(x) :: all => d_base_all
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procedure, pass(x) :: zero => d_base_zero
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procedure, pass(x) :: asb => d_base_asb
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procedure, pass(x) :: sync => d_base_sync
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procedure, pass(x) :: gthab => d_base_gthab
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procedure, pass(x) :: gthzv => d_base_gthzv
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generic, public :: gth => gthab, gthzv
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procedure, pass(y) :: sctb => d_base_sctb
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generic, public :: sct => sctb
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procedure, pass(x) :: free => d_base_free
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procedure, pass(x) :: ins => d_base_ins
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procedure, pass(x) :: bld_x => d_base_bld_x
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procedure, pass(x) :: bld_n => d_base_bld_n
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generic, public :: bld => bld_x, bld_n
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procedure, pass(x) :: getCopy => d_base_getCopy
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procedure, pass(x) :: cpy_vect => d_base_cpy_vect
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generic, public :: assignment(=) => cpy_vect, set_scal
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procedure, pass(x) :: set_scal => d_base_set_scal
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procedure, pass(x) :: set_vect => d_base_set_vect
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generic, public :: set => set_vect, set_scal
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end type psb_d_base_vect_type
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public :: psb_d_base_vect
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private :: constructor, size_const
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interface psb_d_base_vect
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module procedure constructor, size_const
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end interface psb_d_base_vect
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contains
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subroutine d_base_bld_x(x,this)
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use psb_realloc_mod
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real(psb_dpk_), intent(in) :: this(:)
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class(psb_d_base_vect_type), intent(inout) :: x
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integer :: info
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call psb_realloc(size(this),x%v,info)
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if (info /= 0) then
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call psb_errpush(psb_err_alloc_dealloc_,'base_vect_bld')
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return
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end if
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x%v(:) = this(:)
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end subroutine d_base_bld_x
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subroutine d_base_bld_n(x,n)
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use psb_realloc_mod
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integer, intent(in) :: n
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class(psb_d_base_vect_type), intent(inout) :: x
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integer :: info
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call psb_realloc(n,x%v,info)
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call x%asb(n,info)
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end subroutine d_base_bld_n
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function d_base_getCopy(x) result(res)
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class(psb_d_base_vect_type), intent(in) :: x
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real(psb_dpk_), allocatable :: res(:)
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integer :: info
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allocate(res(x%get_nrows()),stat=info)
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if (info /= 0) then
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call psb_errpush(psb_err_alloc_dealloc_,'base_getCopy')
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return
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end if
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res(:) = x%v(:)
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end function d_base_getCopy
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subroutine d_base_cpy_vect(res,x)
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real(psb_dpk_), allocatable, intent(out) :: res(:)
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class(psb_d_base_vect_type), intent(in) :: x
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integer :: info
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res = x%v
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end subroutine d_base_cpy_vect
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subroutine d_base_set_scal(x,val)
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class(psb_d_base_vect_type), intent(inout) :: x
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real(psb_dpk_), intent(in) :: val
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integer :: info
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x%v = val
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end subroutine d_base_set_scal
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subroutine d_base_set_vect(x,val)
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class(psb_d_base_vect_type), intent(inout) :: x
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real(psb_dpk_), intent(in) :: val(:)
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integer :: nr
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integer :: info
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if (allocated(x%v)) then
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nr = min(size(x%v),size(val))
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x%v(1:nr) = val(1:nr)
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else
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x%v = val
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end if
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end subroutine d_base_set_vect
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function constructor(x) result(this)
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real(psb_dpk_) :: x(:)
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type(psb_d_base_vect_type) :: this
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integer :: info
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this%v = x
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call this%asb(size(x),info)
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end function constructor
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function size_const(n) result(this)
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integer, intent(in) :: n
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type(psb_d_base_vect_type) :: this
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integer :: info
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call this%asb(n,info)
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end function size_const
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function d_base_get_nrows(x) result(res)
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implicit none
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class(psb_d_base_vect_type), intent(in) :: x
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integer :: res
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res = 0
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if (allocated(x%v)) res = size(x%v)
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end function d_base_get_nrows
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function d_base_sizeof(x) result(res)
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implicit none
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class(psb_d_base_vect_type), intent(in) :: x
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integer(psb_long_int_k_) :: res
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res = psb_sizeof_dp*x%get_nrows()
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end function d_base_sizeof
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function d_base_dot_v(n,x,y) result(res)
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x, y
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integer, intent(in) :: n
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real(psb_dpk_) :: res
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real(psb_dpk_), external :: ddot
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res = dzero
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!
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! Note: this is the base implementation.
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! When we get here, we are sure that X is of
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! TYPE psb_d_base_vect
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!
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select type(yy => y)
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type is (psb_d_base_vect_type)
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res = ddot(n,x%v,1,y%v,1)
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class default
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res = y%dot(n,x%v)
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end select
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end function d_base_dot_v
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function d_base_dot_a(n,x,y) result(res)
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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real(psb_dpk_), intent(in) :: y(:)
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integer, intent(in) :: n
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real(psb_dpk_) :: res
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real(psb_dpk_), external :: ddot
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res = ddot(n,y,1,x%v,1)
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end function d_base_dot_a
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subroutine d_base_axpby_v(m,alpha, x, beta, y, info)
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use psi_serial_mod
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implicit none
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integer, intent(in) :: m
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class(psb_d_base_vect_type), intent(inout) :: x
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class(psb_d_base_vect_type), intent(inout) :: y
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real(psb_dpk_), intent (in) :: alpha, beta
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integer, intent(out) :: info
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select type(xx => x)
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type is (psb_d_base_vect_type)
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call psb_geaxpby(m,alpha,x%v,beta,y%v,info)
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class default
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call y%axpby(m,alpha,x%v,beta,info)
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end select
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end subroutine d_base_axpby_v
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subroutine d_base_axpby_a(m,alpha, x, beta, y, info)
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use psi_serial_mod
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implicit none
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integer, intent(in) :: m
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real(psb_dpk_), intent(in) :: x(:)
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class(psb_d_base_vect_type), intent(inout) :: y
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real(psb_dpk_), intent (in) :: alpha, beta
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integer, intent(out) :: info
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call psb_geaxpby(m,alpha,x,beta,y%v,info)
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end subroutine d_base_axpby_a
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subroutine d_base_mlt_v(x, y, info, xconj)
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use psi_serial_mod
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use psb_string_mod
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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class(psb_d_base_vect_type), intent(inout) :: y
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integer, intent(out) :: info
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character, intent(in), optional :: xconj
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integer :: i, n
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character :: xconj_
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info = 0
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if (present(xconj)) then
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xconj_ = (psb_toupper(xconj))
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else
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xconj_ = 'N'
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end if
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select type(xx => x)
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type is (psb_d_base_vect_type)
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n = min(size(y%v), size(xx%v))
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do i=1, n
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y%v(i) = y%v(i)*xx%v(i)
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end do
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class default
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call y%mlt(x%v,info)
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end select
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end subroutine d_base_mlt_v
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subroutine d_base_mlt_a(x, y, info)
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use psi_serial_mod
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implicit none
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real(psb_dpk_), intent(in) :: x(:)
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class(psb_d_base_vect_type), intent(inout) :: y
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integer, intent(out) :: info
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integer :: i, n
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info = 0
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n = min(size(y%v), size(x))
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do i=1, n
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y%v(i) = y%v(i)*x(i)
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end do
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end subroutine d_base_mlt_a
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subroutine d_base_mlt_a_2(alpha,x,y,beta,z,info)
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use psi_serial_mod
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implicit none
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real(psb_dpk_), intent(in) :: alpha,beta
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real(psb_dpk_), intent(in) :: y(:)
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real(psb_dpk_), intent(in) :: x(:)
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class(psb_d_base_vect_type), intent(inout) :: z
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integer, intent(out) :: info
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integer :: i, n
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info = 0
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n = min(size(z%v), size(x), size(y))
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!!$ write(0,*) 'Mlt_a_2: ',n
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if (alpha == dzero) then
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if (beta == done) then
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return
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else
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do i=1, n
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z%v(i) = beta*z%v(i)
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end do
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end if
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else
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if (alpha == done) then
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if (beta == dzero) then
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do i=1, n
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z%v(i) = y(i)*x(i)
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end do
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else if (beta == done) then
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do i=1, n
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z%v(i) = z%v(i) + y(i)*x(i)
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end do
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else
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do i=1, n
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z%v(i) = beta*z%v(i) + y(i)*x(i)
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end do
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end if
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else if (alpha == -done) then
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if (beta == dzero) then
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do i=1, n
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z%v(i) = -y(i)*x(i)
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end do
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else if (beta == done) then
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do i=1, n
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z%v(i) = z%v(i) - y(i)*x(i)
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end do
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else
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do i=1, n
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z%v(i) = beta*z%v(i) - y(i)*x(i)
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end do
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end if
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else
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if (beta == dzero) then
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do i=1, n
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z%v(i) = alpha*y(i)*x(i)
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end do
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else if (beta == done) then
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do i=1, n
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z%v(i) = z%v(i) + alpha*y(i)*x(i)
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end do
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else
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do i=1, n
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z%v(i) = beta*z%v(i) + alpha*y(i)*x(i)
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end do
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end if
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end if
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end if
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end subroutine d_base_mlt_a_2
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subroutine d_base_mlt_v_2(alpha,x,y,beta,z,info)
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use psi_serial_mod
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implicit none
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real(psb_dpk_), intent(in) :: alpha,beta
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class(psb_d_base_vect_type), intent(inout) :: x
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class(psb_d_base_vect_type), intent(inout) :: y
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class(psb_d_base_vect_type), intent(inout) :: z
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integer, intent(out) :: info
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integer :: i, n
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info = 0
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call z%mlt(alpha,x%v,y%v,beta,info)
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end subroutine d_base_mlt_v_2
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subroutine d_base_mlt_av(alpha,x,y,beta,z,info)
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use psi_serial_mod
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implicit none
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real(psb_dpk_), intent(in) :: alpha,beta
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real(psb_dpk_), intent(in) :: x(:)
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class(psb_d_base_vect_type), intent(inout) :: y
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class(psb_d_base_vect_type), intent(inout) :: z
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integer, intent(out) :: info
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integer :: i, n
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info = 0
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call z%mlt(alpha,x,y%v,beta,info)
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end subroutine d_base_mlt_av
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subroutine d_base_mlt_va(alpha,x,y,beta,z,info)
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use psi_serial_mod
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implicit none
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real(psb_dpk_), intent(in) :: alpha,beta
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real(psb_dpk_), intent(in) :: y(:)
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class(psb_d_base_vect_type), intent(inout) :: x
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class(psb_d_base_vect_type), intent(inout) :: z
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integer, intent(out) :: info
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integer :: i, n
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info = 0
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call z%mlt(alpha,y,x,beta,info)
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end subroutine d_base_mlt_va
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subroutine d_base_scal(alpha, x)
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use psi_serial_mod
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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real(psb_dpk_), intent (in) :: alpha
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if (allocated(x%v)) x%v = alpha*x%v
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end subroutine d_base_scal
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function d_base_nrm2(n,x) result(res)
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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integer, intent(in) :: n
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real(psb_dpk_) :: res
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real(psb_dpk_), external :: dnrm2
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res = dnrm2(n,x%v,1)
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end function d_base_nrm2
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function d_base_amax(n,x) result(res)
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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integer, intent(in) :: n
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real(psb_dpk_) :: res
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res = maxval(abs(x%v(1:n)))
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end function d_base_amax
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function d_base_asum(n,x) result(res)
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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integer, intent(in) :: n
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real(psb_dpk_) :: res
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res = sum(abs(x%v(1:n)))
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end function d_base_asum
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subroutine d_base_all(n, x, info)
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use psi_serial_mod
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use psb_realloc_mod
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implicit none
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integer, intent(in) :: n
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class(psb_d_base_vect_type), intent(out) :: x
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integer, intent(out) :: info
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call psb_realloc(n,x%v,info)
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end subroutine d_base_all
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subroutine d_base_zero(x)
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use psi_serial_mod
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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if (allocated(x%v)) x%v=dzero
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end subroutine d_base_zero
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subroutine d_base_asb(n, x, info)
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use psi_serial_mod
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use psb_realloc_mod
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implicit none
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integer, intent(in) :: n
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class(psb_d_base_vect_type), intent(inout) :: x
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integer, intent(out) :: info
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if (x%get_nrows() < n) &
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& call psb_realloc(n,x%v,info)
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if (info /= 0) &
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& call psb_errpush(psb_err_alloc_dealloc_,'vect_asb')
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end subroutine d_base_asb
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subroutine d_base_sync(x)
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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!
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! The base version does nothing, it's just
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! a placeholder.
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!
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end subroutine d_base_sync
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subroutine d_base_gthab(n,idx,alpha,x,beta,y)
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use psi_serial_mod
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integer :: n, idx(:)
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real(psb_dpk_) :: alpha, beta, y(:)
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class(psb_d_base_vect_type) :: x
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call x%sync()
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call psi_gth(n,idx,alpha,x%v,beta,y)
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end subroutine d_base_gthab
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subroutine d_base_gthzv(n,idx,x,y)
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use psi_serial_mod
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integer :: n, idx(:)
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real(psb_dpk_) :: y(:)
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class(psb_d_base_vect_type) :: x
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call x%sync()
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call psi_gth(n,idx,x%v,y)
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end subroutine d_base_gthzv
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subroutine d_base_sctb(n,idx,x,beta,y)
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use psi_serial_mod
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integer :: n, idx(:)
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real(psb_dpk_) :: beta, x(:)
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class(psb_d_base_vect_type) :: y
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|
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call y%sync()
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call psi_sct(n,idx,x,beta,y%v)
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end subroutine d_base_sctb
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subroutine d_base_free(x, info)
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use psi_serial_mod
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use psb_realloc_mod
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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integer, intent(out) :: info
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|
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info = 0
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if (allocated(x%v)) deallocate(x%v, stat=info)
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if (info /= 0) call &
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& psb_errpush(psb_err_alloc_dealloc_,'vect_free')
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end subroutine d_base_free
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subroutine d_base_ins(n,irl,val,dupl,x,info)
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use psi_serial_mod
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implicit none
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class(psb_d_base_vect_type), intent(inout) :: x
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|
integer, intent(in) :: n, dupl
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integer, intent(in) :: irl(:)
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|
real(psb_dpk_), intent(in) :: val(:)
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|
integer, intent(out) :: info
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|
|
|
integer :: i
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|
|
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info = 0
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if (psb_errstatus_fatal()) return
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|
|
|
if (.not.allocated(x%v)) then
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|
info = psb_err_invalid_vect_state_
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else if (n > min(size(irl),size(val))) then
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info = psb_err_invalid_input_
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|
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else
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|
select case(dupl)
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|
case(psb_dupl_ovwrt_)
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do i = 1, n
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!loop over all val's rows
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|
|
|
! row actual block row
|
|
if (irl(i) > 0) then
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|
! this row belongs to me
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|
! copy i-th row of block val in x
|
|
x%v(irl(i)) = val(i)
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|
end if
|
|
enddo
|
|
|
|
case(psb_dupl_add_)
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|
|
|
do i = 1, n
|
|
!loop over all val's rows
|
|
|
|
if (irl(i) > 0) then
|
|
! this row belongs to me
|
|
! copy i-th row of block val in x
|
|
x%v(irl(i)) = x%v(irl(i)) + val(i)
|
|
end if
|
|
enddo
|
|
|
|
case default
|
|
info = 321
|
|
!!$ call psb_errpush(info,name)
|
|
!!$ goto 9999
|
|
end select
|
|
end if
|
|
if (info /= 0) then
|
|
call psb_errpush(info,'base_vect_ins')
|
|
return
|
|
end if
|
|
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|
end subroutine d_base_ins
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|
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end module psb_d_base_vect_mod
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