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409 lines
9.4 KiB
Fortran
409 lines
9.4 KiB
Fortran
module amg_dprec_cbind_mod
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use iso_c_binding
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use amg_prec_mod
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use psb_base_cbind_mod
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type, bind(c) :: amg_c_dprec
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type(c_ptr) :: item = c_null_ptr
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end type amg_c_dprec
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contains
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#if 1
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#define MLDC_DEBUG(MSG) write(*,*) __FILE__,':',__LINE__,':',MSG
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#define MLDC_ERROR(MSG) write(*,*) __FILE__,':',__LINE__,':'," ERROR: ",MSG
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#else
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#define MLDC_DEBUG(MSG)
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#define MLDC_ERROR(MSG)
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#endif
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#define amg_success_ 0
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!#define MLDC_ERR_FILTER(INFO) min(0,INFO)
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#define MLDC_ERR_FILTER(INFO) (INFO)
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#define MLDC_ERR_HANDLE(INFO) if(INFO/=amg_success_)MLDC_ERROR("ERROR!")
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function amg_c_dprecinit(cctxt,ph,ptype) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(amg_c_dprec) :: ph
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type(psb_c_object_type), value :: cctxt
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character(c_char) :: ptype(*)
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integer :: info
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type(amg_dprec_type), pointer :: precp
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character(len=80) :: fptype
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res = -1
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if (c_associated(ph%item)) then
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res = 0
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return
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end if
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allocate(precp,stat=info)
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if (info /= 0) return
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ph%item = c_loc(precp)
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call stringc2f(ptype,fptype)
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call precp%init(psb_c2f_ctxt(cctxt),fptype,info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dprecinit
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function amg_c_dprecseti(ph,what,val) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph
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character(c_char) :: what(*)
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integer(psb_c_ipk_), value :: val
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integer :: info
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character(len=80) :: fwhat
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type(amg_dprec_type), pointer :: precp
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res = -1
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if (c_associated(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call stringc2f(what,fwhat)
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call amg_precset(precp,fwhat,val,info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dprecseti
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function amg_c_dprecsetr(ph,what,val) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph
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character(c_char) :: what(*)
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real(c_double), value :: val
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integer :: info
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character(len=80) :: fwhat
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type(amg_dprec_type), pointer :: precp
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res = -1
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if (c_associated(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call stringc2f(what,fwhat)
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call amg_precset(precp,fwhat,val,info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dprecsetr
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function amg_c_dprecsetc(ph,what,val) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph
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character(c_char) :: what(*), val(*)
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integer :: info
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character(len=80) :: fwhat,fval
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type(amg_dprec_type), pointer :: precp
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res = -1
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if (c_associated(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call stringc2f(what,fwhat)
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call stringc2f(val,fval)
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call amg_precset(precp,fwhat,fval,info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dprecsetc
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function amg_c_dprecbld(ah,cdh,ph) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph,ah,cdh
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integer :: info
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type(amg_dprec_type), pointer :: precp
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type(psb_dspmat_type), pointer :: ap
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type(psb_desc_type), pointer :: descp
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character(len=80) :: fptype
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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(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call amg_precbld(ap,descp,precp,info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dprecbld
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function amg_c_dhierarchy_build(ah,cdh,ph) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph,ah,cdh
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integer :: info
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type(amg_dprec_type), pointer :: precp
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type(psb_dspmat_type), pointer :: ap
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type(psb_desc_type), pointer :: descp
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character(len=80) :: fptype
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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(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call precp%hierarchy_build(ap,descp,info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dhierarchy_build
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function amg_c_dsmoothers_build(ah,cdh,ph) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph,ah,cdh
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integer :: info
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type(amg_dprec_type), pointer :: precp
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type(psb_dspmat_type), pointer :: ap
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type(psb_desc_type), pointer :: descp
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character(len=80) :: fptype
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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(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call precp%smoothers_build(ap,descp,info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dsmoothers_build
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function amg_c_dkrylov(methd,&
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& ah,ph,bh,xh,cdh,options) bind(c) result(res)
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use psb_base_mod
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use psb_prec_mod
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use psb_krylov_mod
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use psb_prec_cbind_mod
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use psb_dkrylov_cbind_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ah,cdh,ph,bh,xh
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character(c_char) :: methd(*)
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type(solveroptions) :: options
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res= amg_c_dkrylov_opt(methd, ah, ph, bh, xh, options%eps,cdh, &
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& itmax=options%itmax, iter=options%iter,&
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& itrace=options%itrace, istop=options%istop,&
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& irst=options%irst, err=options%err)
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end function amg_c_dkrylov
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function amg_c_dkrylov_opt(methd,&
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& ah,ph,bh,xh,eps,cdh,itmax,iter,err,itrace,irst,istop) bind(c) result(res)
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use psb_base_mod
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use psb_prec_mod
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use psb_krylov_mod
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use psb_objhandle_mod
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use psb_prec_cbind_mod
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use psb_base_string_cbind_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ah,cdh,ph,bh,xh
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integer(psb_c_ipk_), value :: itmax,itrace,irst,istop
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real(c_double), value :: eps
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integer(psb_c_ipk_) :: iter
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real(c_double) :: err
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character(c_char) :: methd(*)
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type(psb_desc_type), pointer :: descp
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type(psb_dspmat_type), pointer :: ap
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type(amg_dprec_type), pointer :: precp
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type(psb_d_vect_type), pointer :: xp, bp
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integer :: info,fitmax,fitrace,first,fistop,fiter
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character(len=20) :: fmethd
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real(kind(1.d0)) :: feps,ferr
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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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if (c_associated(bh%item)) then
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call c_f_pointer(bh%item,bp)
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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(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call stringc2f(methd,fmethd)
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feps = eps
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fitmax = itmax
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fitrace = itrace
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first = irst
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fistop = istop
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call psb_krylov(fmethd, ap, precp, bp, xp, feps, &
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& descp, info,&
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& itmax=fitmax,iter=fiter,itrace=fitrace,istop=fistop,&
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& irst=first, err=ferr)
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iter = fiter
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err = ferr
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res = min(info,0)
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end function amg_c_dkrylov_opt
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function amg_c_dprecfree(ph) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph
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integer :: info
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type(amg_dprec_type), pointer :: precp
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character(len=80) :: fptype
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res = -1
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if (c_associated(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call precp%free(info)
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_dprecfree
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function amg_c_ddescr(ph) bind(c) result(res)
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use psb_base_mod
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use amg_prec_mod
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: ph
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integer :: info
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type(amg_dprec_type), pointer :: precp
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res = -1
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info = -1
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if (c_associated(ph%item)) then
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call c_f_pointer(ph%item,precp)
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else
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return
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end if
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call precp%descr()
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call flush(psb_out_unit)
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info = 0
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res = MLDC_ERR_FILTER(info)
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MLDC_ERR_HANDLE(res)
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return
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end function amg_c_ddescr
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end module amg_dprec_cbind_mod
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