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223 lines
5.1 KiB
Fortran
223 lines
5.1 KiB
Fortran
module psb_d_comm_cbind_mod
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use iso_c_binding
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use psb_base_mod
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use psb_objhandle_mod
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use psb_base_string_cbind_mod
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use psb_base_tools_cbind_mod
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contains
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function psb_c_dhalo(xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_int) :: res
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type(psb_c_dvector) :: xh
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type(psb_c_descriptor) :: cdh
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type(psb_desc_type), pointer :: descp
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type(psb_d_vect_type), pointer :: vp
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integer :: info, sz
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res = -1
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if (c_associated(cdh%item)) then
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call c_f_pointer(cdh%item,descp)
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else
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return
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end if
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if (c_associated(xh%item)) then
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call c_f_pointer(xh%item,vp)
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call psb_halo(vp,descp,info)
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res = info
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end if
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end function psb_c_dhalo
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function psb_c_dhalo_opt(xh,cdh,trans,mode) bind(c) result(res)
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implicit none
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integer(psb_c_int) :: res
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type(psb_c_dvector) :: xh
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type(psb_c_descriptor) :: cdh
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character(c_char) :: trans
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integer(psb_c_int), value :: mode
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type(psb_desc_type), pointer :: descp
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type(psb_d_vect_type), pointer :: vp
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character :: trans_
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integer(psb_ipk_) :: mode_
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integer :: info, sz
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res = -1
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if (c_associated(cdh%item)) then
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call c_f_pointer(cdh%item,descp)
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else
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return
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end if
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trans_ = trans
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mode_ = mode
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if (c_associated(xh%item)) then
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call c_f_pointer(xh%item,vp)
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call psb_halo(vp,descp,info,tran=trans_, mode=mode_)
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res = info
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end if
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end function psb_c_dhalo_opt
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function psb_c_dovrl(xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_int) :: res
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type(psb_c_dvector) :: xh
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type(psb_c_descriptor) :: cdh
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type(psb_desc_type), pointer :: descp
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type(psb_d_vect_type), pointer :: vp
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integer :: info, sz
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res = -1
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if (c_associated(cdh%item)) then
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call c_f_pointer(cdh%item,descp)
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else
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return
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end if
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if (c_associated(xh%item)) then
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call c_f_pointer(xh%item,vp)
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call psb_ovrl(vp,descp,info)
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res = info
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end if
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end function psb_c_dovrl
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function psb_c_dovrl_opt(xh,cdh,update,mode) bind(c) result(res)
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implicit none
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integer(psb_c_int) :: res
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type(psb_c_dvector) :: xh
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type(psb_c_descriptor) :: cdh
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integer(psb_c_int), value :: update, mode
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type(psb_desc_type), pointer :: descp
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type(psb_d_vect_type), pointer :: vp
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integer(psb_ipk_) :: mode_, update_
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integer :: info, sz
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res = -1
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if (c_associated(cdh%item)) then
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call c_f_pointer(cdh%item,descp)
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else
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return
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end if
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update_ = update
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mode_ = mode
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if (c_associated(xh%item)) then
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call c_f_pointer(xh%item,vp)
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call psb_ovrl(vp,descp,info,update=update_,mode=mode_)
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res = info
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end if
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end function psb_c_dovrl_opt
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function psb_c_dvscatter(ng,gx,xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_int) :: res
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integer(psb_c_int), value :: ng
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real(c_double), target :: gx(*)
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type(psb_c_dvector) :: xh
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type(psb_c_descriptor) :: cdh
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type(psb_desc_type), pointer :: descp
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type(psb_d_vect_type), pointer :: vp
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real(psb_dpk_), pointer :: pgx(:)
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integer :: info, sz
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res = -1
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if (c_associated(cdh%item)) then
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call c_f_pointer(cdh%item,descp)
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else
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return
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end if
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if (c_associated(xh%item)) then
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call c_f_pointer(xh%item,vp)
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else
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return
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end if
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pgx => gx(1:ng)
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call psb_scatter(pgx,vp,descp,info)
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res = info
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end function psb_c_dvscatter
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function psb_c_dvgather_f(v,xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_int) :: res
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real(c_double) :: v(*)
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type(psb_c_dvector) :: xh
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type(psb_c_descriptor) :: cdh
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type(psb_desc_type), pointer :: descp
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type(psb_d_vect_type), pointer :: vp
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real(psb_dpk_), allocatable :: fv(:)
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integer :: info, sz
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res = -1
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if (c_associated(cdh%item)) then
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call c_f_pointer(cdh%item,descp)
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else
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return
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end if
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if (c_associated(xh%item)) then
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call c_f_pointer(xh%item,vp)
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call psb_gather(fv,vp,descp,info)
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res = info
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if (res /=0) return
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sz = size(fv)
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v(1:sz) = fv(1:sz)
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end if
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end function psb_c_dvgather_f
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function psb_c_dspgather_f(gah,ah,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_int) :: res
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type(psb_c_dspmat) :: ah, gah
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type(psb_c_descriptor) :: cdh
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type(psb_desc_type), pointer :: descp
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type(psb_dspmat_type), pointer :: ap, gap
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integer :: info, sz
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res = -1
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if (c_associated(cdh%item)) then
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call c_f_pointer(cdh%item,descp)
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else
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return
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end if
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if (c_associated(ah%item)) then
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call c_f_pointer(ah%item,ap)
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else
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return
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end if
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if (c_associated(gah%item)) then
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call c_f_pointer(gah%item,gap)
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else
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return
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end if
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call psb_gather(gap,ap,descp,info)
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res = info
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end function psb_c_dspgather_f
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end module psb_d_comm_cbind_mod
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