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240 lines
5.0 KiB
Fortran
240 lines
5.0 KiB
Fortran
module psb_s_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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contains
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function psb_c_sovrl(xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_svector) :: 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_s_vect_type), pointer :: xp
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integer(psb_c_ipk_) :: info
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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,xp)
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else
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return
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end if
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call psb_ovrl(xp,descp,info)
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res = info
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end function psb_c_sovrl
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function psb_c_sovrl_opt(xh,cdh,update,mode) bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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integer(psb_c_ipk_), value :: update, mode
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type(psb_c_svector) :: 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_s_vect_type), pointer :: xp
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integer(psb_c_ipk_) :: info
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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,xp)
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else
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return
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end if
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call psb_ovrl(xp,descp,info,update=update,mode=mode)
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res = info
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end function psb_c_sovrl_opt
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function psb_c_shalo(xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_svector) :: 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_s_vect_type), pointer :: xp
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integer(psb_c_ipk_) :: info
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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,xp)
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else
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return
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end if
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call psb_halo(xp,descp,info)
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res = info
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end function psb_c_shalo
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function psb_c_shalo_opt(xh,cdh,tran,data,mode) bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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integer(psb_c_ipk_), value :: data, mode
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character(c_char) :: tran
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type(psb_c_svector) :: 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_s_vect_type), pointer :: xp
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character :: ftran
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integer(psb_c_ipk_) :: info
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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,xp)
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else
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return
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end if
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ftran = tran
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call psb_halo(xp,descp,info,data=data,mode=mode,tran=ftran)
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res = info
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end function psb_c_shalo_opt
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function psb_c_svscatter(ng,gx,xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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integer(psb_c_lpk_), value :: ng
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real(c_float), target :: gx(*)
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type(psb_c_svector) :: 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_s_vect_type), pointer :: vp
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real(psb_spk_), pointer :: pgx(:)
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integer(psb_c_ipk_) :: 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_svscatter
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function psb_c_svgather(v,xh,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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real(c_float), target :: v(*)
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type(psb_c_svector) :: 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_s_vect_type), pointer :: vp
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real(psb_spk_), allocatable :: fv(:)
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integer(psb_c_ipk_) :: 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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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 function psb_c_svgather
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function psb_c_sspgather(gah,ah,cdh) bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_sspmat) :: 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_sspmat_type), pointer :: ap, gap
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integer(psb_c_ipk_) :: 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_sspgather
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end module psb_s_comm_cbind_mod
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