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119 lines
2.4 KiB
Fortran
119 lines
2.4 KiB
Fortran
8 years ago
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module psb_cprec_cbind_mod
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use iso_c_binding
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use psb_prec_mod, only : psb_cprec_type
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use psb_objhandle_mod
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use psb_base_string_cbind_mod
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type, bind(c) :: psb_c_cprec
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type(c_ptr) :: item = c_null_ptr
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end type psb_c_cprec
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contains
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function psb_c_cprecinit(ph,ptype) 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_base_string_cbind_mod
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implicit none
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integer(c_int) :: res
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type(psb_c_cprec) :: ph
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character(c_char) :: ptype(*)
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type(psb_cprec_type), pointer :: precp
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integer :: info
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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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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 psb_precinit(precp,fptype,info)
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res = min(0,info)
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return
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end function psb_c_cprecinit
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function psb_c_cprecbld(ah,cdh,ph) 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_objhandle_mod
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use psb_base_string_cbind_mod
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implicit none
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integer(c_int) :: res
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type(psb_c_cspmat) :: ah
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type(psb_c_cprec) :: ph
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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_cspmat_type), pointer :: ap
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type(psb_cprec_type), pointer :: precp
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integer :: info
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res = -1
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!!$ write(*,*) 'Entry: ', psb_c_cd_get_local_rows(cdh)
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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 psb_precbld(ap,descp, precp, info)
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res = min(info,0)
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end function psb_c_cprecbld
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function psb_c_cprecfree(ph) 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_objhandle_mod
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use psb_base_string_cbind_mod
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implicit none
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integer(c_int) :: res
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type(psb_c_cprec) :: ph
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type(psb_cprec_type), pointer :: precp
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integer :: info
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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 psb_precfree(precp, info)
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res = min(info,0)
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end function psb_c_cprecfree
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end module psb_cprec_cbind_mod
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