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347 lines
8.1 KiB
Fortran
347 lines
8.1 KiB
Fortran
module psb_base_tools_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_cpenv_mod
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use psb_base_string_cbind_mod
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contains
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! Aggiungere funzione per estrarre comunicatore
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function psb_c_error() bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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res = 0
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call psb_error()
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end function psb_c_error
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function psb_c_clean_errstack() bind(c) result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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res = 0
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call psb_clean_errstack()
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end function psb_c_clean_errstack
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function psb_c_cdall_vg(ng,vg,cctxt,cdh) bind(c,name='psb_c_cdall_vg') 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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type(psb_c_object_type), value :: cctxt
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integer(psb_c_ipk_) :: vg(*)
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer(psb_c_ipk_) :: info
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type(psb_ctxt_type) :: ctxt
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ctxt = psb_c2f_ctxt(cctxt)
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res = -1
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if (ng <=0) then
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write(0,*) 'Invalid size'
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return
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end if
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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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call descp%free(info)
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if (info == 0) deallocate(descp,stat=info)
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if (info /= 0) return
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end if
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allocate(descp,stat=info)
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if (info < 0) return
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call psb_cdall(ctxt,descp,info,vg=vg(1:ng))
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cdh%item = c_loc(descp)
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res = info
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end function psb_c_cdall_vg
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function psb_c_cdall_vl(nl,vl,cctxt,cdh) bind(c,name='psb_c_cdall_vl') result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type), value :: cctxt
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integer(psb_c_ipk_), value :: nl
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integer(psb_c_lpk_) :: vl(*)
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer(psb_c_ipk_) :: info, ixb
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type(psb_ctxt_type) :: ctxt
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ctxt = psb_c2f_ctxt(cctxt)
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res = -1
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if (nl <=0) then
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write(0,*) 'Invalid size'
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return
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end if
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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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call descp%free(info)
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if (info == 0) deallocate(descp,stat=info)
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if (info /= 0) return
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end if
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allocate(descp,stat=info)
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if (info < 0) return
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ixb = psb_c_get_index_base()
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if (ixb == 1) then
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call psb_cdall(ctxt,descp,info,vl=vl(1:nl))
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else
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call psb_cdall(ctxt,descp,info,vl=(vl(1:nl)+(1-ixb)))
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end if
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cdh%item = c_loc(descp)
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res = info
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end function psb_c_cdall_vl
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function psb_c_cdall_nl(nl,cctxt,cdh) bind(c,name='psb_c_cdall_nl') result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type), value :: cctxt
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integer(psb_c_ipk_), value :: nl
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer(psb_c_ipk_) :: info
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type(psb_ctxt_type) :: ctxt
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ctxt = psb_c2f_ctxt(cctxt)
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res = -1
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if (nl <=0) then
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write(0,*) 'Invalid size'
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return
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end if
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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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call descp%free(info)
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if (info == 0) deallocate(descp,stat=info)
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if (info /= 0) return
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end if
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allocate(descp,stat=info)
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if (info < 0) return
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call psb_cdall(ctxt,descp,info,nl=nl)
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cdh%item = c_loc(descp)
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res = info
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end function psb_c_cdall_nl
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function psb_c_cdall_repl(n,cctxt,cdh) bind(c,name='psb_c_cdall_repl') 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 :: n
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type(psb_c_object_type), value :: cctxt
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer(psb_c_ipk_) :: info
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type(psb_ctxt_type) :: ctxt
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ctxt = psb_c2f_ctxt(cctxt)
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res = -1
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if (n <=0) then
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write(0,*) 'Invalid size'
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return
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end if
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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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call descp%free(info)
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if (info == 0) deallocate(descp,stat=info)
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if (info /= 0) return
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end if
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allocate(descp,stat=info)
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if (info < 0) return
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call psb_cdall(ctxt,descp,info,mg=n,repl=.true.)
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cdh%item = c_loc(descp)
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res = info
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end function psb_c_cdall_repl
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function psb_c_cdasb(cdh) bind(c,name='psb_c_cdasb') result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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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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call psb_cdasb(descp,info)
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res = info
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end if
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end function psb_c_cdasb
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function psb_c_cdfree(cdh) bind(c,name='psb_c_cdfree') result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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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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call descp%free(info)
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if (info == 0) deallocate(descp,stat=info)
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if (info /= 0) return
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cdh%item = c_null_ptr
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end if
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res = info
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return
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end function psb_c_cdfree
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function psb_c_cdins(nz,ia,ja,cdh) bind(c,name='psb_c_cdins') 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 :: nz
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type(psb_c_object_type) :: cdh
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integer(psb_c_lpk_) :: ia(*),ja(*)
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type(psb_desc_type), pointer :: descp
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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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call psb_cdins(nz,ia(1:nz),ja(1:nz),descp,info)
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res = info
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end if
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return
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end function psb_c_cdins
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function psb_c_cd_get_local_rows(cdh) bind(c,name='psb_c_cd_get_local_rows') result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer :: 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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res = descp%get_local_rows()
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end if
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end function psb_c_cd_get_local_rows
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function psb_c_cd_get_local_cols(cdh) bind(c,name='psb_c_cd_get_local_cols') result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer :: 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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res = descp%get_local_cols()
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end if
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end function psb_c_cd_get_local_cols
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function psb_c_cd_get_global_rows(cdh) bind(c,name='psb_c_cd_get_global_rows') result(res)
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implicit none
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integer(psb_c_lpk_) :: res
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer :: 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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res = descp%get_global_rows()
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end if
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end function psb_c_cd_get_global_rows
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function psb_c_cd_get_global_cols(cdh) bind(c,name='psb_c_cd_get_global_cols') result(res)
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implicit none
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integer(psb_c_lpk_) :: res
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type(psb_c_object_type) :: cdh
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type(psb_desc_type), pointer :: descp
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integer :: 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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res = descp%get_global_cols()
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end if
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end function psb_c_cd_get_global_cols
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function psb_c_cd_get_global_indices(idx,nidx,owned,cdh) &
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& bind(c,name='psb_c_cd_get_global_indices') result(res)
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implicit none
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integer(psb_c_ipk_) :: res
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type(psb_c_object_type) :: cdh
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integer(psb_c_lpk_) :: idx(nidx)
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integer(psb_c_ipk_), value :: nidx
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logical(c_bool), value :: owned
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type(psb_desc_type), pointer :: descp
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integer(psb_lpk_), allocatable :: myidx(:)
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logical :: fowned
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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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fowned = owned
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myidx = descp%get_global_indices(owned=fowned)
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idx(1:nidx) = myidx(1:nidx)
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res = 0
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end if
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end function psb_c_cd_get_global_indices
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end module psb_base_tools_cbind_mod
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