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psblas3/cbind/base/psb_c_comm_cbind_mod.f90

240 lines
5.1 KiB
Fortran

module psb_c_comm_cbind_mod
use iso_c_binding
use psb_base_mod
use psb_objhandle_mod
use psb_base_string_cbind_mod
contains
function psb_c_c_ovrl(xh,cdh) bind(c) result(res)
implicit none
integer(psb_c_ipk_) :: res
type(psb_c_cvector) :: xh
type(psb_c_descriptor) :: cdh
type(psb_desc_type), pointer :: descp
type(psb_c_vect_type), pointer :: xp
integer(psb_c_ipk_) :: info
res = -1
if (c_associated(cdh%item)) then
call c_f_pointer(cdh%item,descp)
else
return
end if
if (c_associated(xh%item)) then
call c_f_pointer(xh%item,xp)
else
return
end if
call psb_ovrl(xp,descp,info)
res = info
end function psb_c_c_ovrl
function psb_c_c_ovrl_opt(xh,cdh,update,mode) bind(c) result(res)
implicit none
integer(psb_c_ipk_) :: res
integer(psb_c_ipk_), value :: update, mode
type(psb_c_cvector) :: xh
type(psb_c_descriptor) :: cdh
type(psb_desc_type), pointer :: descp
type(psb_c_vect_type), pointer :: xp
integer(psb_c_ipk_) :: info
res = -1
if (c_associated(cdh%item)) then
call c_f_pointer(cdh%item,descp)
else
return
end if
if (c_associated(xh%item)) then
call c_f_pointer(xh%item,xp)
else
return
end if
call psb_ovrl(xp,descp,info,update=update,mode=mode)
res = info
end function psb_c_c_ovrl_opt
function psb_c_c_halo(xh,cdh) bind(c) result(res)
implicit none
integer(psb_c_ipk_) :: res
type(psb_c_cvector) :: xh
type(psb_c_descriptor) :: cdh
type(psb_desc_type), pointer :: descp
type(psb_c_vect_type), pointer :: xp
integer(psb_c_ipk_) :: info
res = -1
if (c_associated(cdh%item)) then
call c_f_pointer(cdh%item,descp)
else
return
end if
if (c_associated(xh%item)) then
call c_f_pointer(xh%item,xp)
else
return
end if
call psb_halo(xp,descp,info)
res = info
end function psb_c_c_halo
function psb_c_c_halo_opt(xh,cdh,tran,data,mode) bind(c) result(res)
implicit none
integer(psb_c_ipk_) :: res
integer(psb_c_ipk_), value :: data, mode
character(c_char) :: tran
type(psb_c_cvector) :: xh
type(psb_c_descriptor) :: cdh
type(psb_desc_type), pointer :: descp
type(psb_c_vect_type), pointer :: xp
character :: ftran
integer(psb_c_ipk_) :: info
res = -1
if (c_associated(cdh%item)) then
call c_f_pointer(cdh%item,descp)
else
return
end if
if (c_associated(xh%item)) then
call c_f_pointer(xh%item,xp)
else
return
end if
ftran = tran
call psb_halo(xp,descp,info,data=data,mode=mode,tran=ftran)
res = info
end function psb_c_c_halo_opt
function psb_c_c_vscatter(ng,gx,xh,cdh) bind(c) result(res)
implicit none
integer(psb_c_ipk_) :: res
integer(psb_c_lpk_), value :: ng
complex(c_float_complex), target :: gx(*)
type(psb_c_cvector) :: xh
type(psb_c_descriptor) :: cdh
type(psb_desc_type), pointer :: descp
type(psb_c_vect_type), pointer :: vp
complex(psb_spk_), pointer :: pgx(:)
integer(psb_c_ipk_) :: info, sz
res = -1
if (c_associated(cdh%item)) then
call c_f_pointer(cdh%item,descp)
else
return
end if
if (c_associated(xh%item)) then
call c_f_pointer(xh%item,vp)
else
return
end if
pgx => gx(1:ng)
call psb_scatter(pgx,vp,descp,info)
res = info
end function psb_c_c_vscatter
function psb_c_cvgather(v,xh,cdh) bind(c) result(res)
implicit none
integer(psb_c_ipk_) :: res
complex(c_float_complex), target :: v(*)
type(psb_c_cvector) :: xh
type(psb_c_descriptor) :: cdh
type(psb_desc_type), pointer :: descp
type(psb_c_vect_type), pointer :: vp
complex(psb_spk_), allocatable :: fv(:)
integer(psb_c_ipk_) :: info, sz
res = -1
if (c_associated(cdh%item)) then
call c_f_pointer(cdh%item,descp)
else
return
end if
if (c_associated(xh%item)) then
call c_f_pointer(xh%item,vp)
else
return
end if
call psb_gather(fv,vp,descp,info)
res = info
if (res /=0) return
sz = size(fv)
v(1:sz) = fv(1:sz)
end function psb_c_cvgather
function psb_c_cspgather(gah,ah,cdh) bind(c) result(res)
implicit none
integer(psb_c_ipk_) :: res
type(psb_c_cspmat) :: ah, gah
type(psb_c_descriptor) :: cdh
type(psb_desc_type), pointer :: descp
type(psb_cspmat_type), pointer :: ap, gap
integer(psb_c_ipk_) :: info, sz
res = -1
if (c_associated(cdh%item)) then
call c_f_pointer(cdh%item,descp)
else
return
end if
if (c_associated(ah%item)) then
call c_f_pointer(ah%item,ap)
else
return
end if
if (c_associated(gah%item)) then
call c_f_pointer(gah%item,gap)
else
return
end if
call psb_gather(gap,ap,descp,info)
res = info
end function psb_c_cspgather
end module psb_c_comm_cbind_mod