(* $Id$ *)
-(*****************************************************************************)
-(** switch implementation **)
-(*****************************************************************************)
-
-let fast_implementation = ref true ;;
-
(*****************************************************************************)
(** open **)
(*****************************************************************************)
(*****************************************************************************)
type universe = int * UriManager.uri option
-
+
+let eq u1 u2 =
+ match u1,u2 with
+ | (id1, Some uri1),(id2, Some uri2) ->
+ id1 = id2 && UriManager.eq uri1 uri2
+ | (id1, None),(id2, None) -> id1 = id2
+ | _ -> false
+
+let compare (id1, uri1) (id2, uri2) =
+ let cmp = id1 - id2 in
+ if cmp = 0 then
+ match uri1,uri2 with
+ | None, None -> 0
+ | Some _, None -> 1
+ | None, Some _ -> ~-1
+ | Some uri1, Some uri2 -> UriManager.compare uri1 uri2
+ else
+ cmp
+
module UniverseType = struct
type t = universe
- let compare = Pervasives.compare
+ let compare = compare
end
module SOF = Set.Make(UniverseType)
let string_of_bag b =
string_of_mal b
-(*****************************************************************************)
-(** Benchmarking **)
-(*****************************************************************************)
-let time_spent = ref 0.0;;
-let partial = ref 0.0 ;;
-
-let reset_spent_time () = time_spent := 0.0;;
-let get_spent_time () = !time_spent ;;
-let begin_spending () = ()
- (*assert (!partial = 0.0);*)
-(* partial := Unix.gettimeofday () *)
-;;
-
-let end_spending () = ()
-(*
- assert (!partial > 0.0);
- let interval = (Unix.gettimeofday ()) -. !partial in
- partial := 0.0;
- time_spent := !time_spent +. interval
-*)
-;;
-
-
(*****************************************************************************)
(** Helpers **)
(*****************************************************************************)
;;
\f
-(*****************************************************************************)
-(** safe implementation **)
-(*****************************************************************************)
-
-let closure_of u m =
- let ru = repr u m in
- let eq_c =
- let j = ru.one_s_eq in
- let _Uj = merge_closures (fun x -> x.eq_closure) j m in
- let one_step_eq = ru.one_s_eq in
- (SOF.union one_step_eq _Uj)
- in
- let ge_c =
- let j = SOF.union ru.one_s_ge (SOF.union ru.one_s_gt ru.one_s_eq) in
- let _Uj = merge_closures (fun x -> x.ge_closure) j m in
- let _Ux = j in
- (SOF.union _Uj _Ux)
- in
- let gt_c =
- let j = ru.one_s_gt in
- let k = ru.one_s_ge in
- let l = ru.one_s_eq in
- let _Uj = merge_closures (fun x -> x.ge_closure) j m in
- let _Uk = merge_closures (fun x -> x.gt_closure) k m in
- let _Ul = merge_closures (fun x -> x.gt_closure) l m in
- let one_step_gt = ru.one_s_gt in
- (SOF.union (SOF.union (SOF.union _Ul one_step_gt) _Uk) _Uj)
- in
- {
- eq_closure = eq_c;
- ge_closure = ge_c;
- gt_closure = gt_c;
- in_gegt_of = ru.in_gegt_of;
- one_s_eq = ru.one_s_eq;
- one_s_ge = ru.one_s_ge;
- one_s_gt = ru.one_s_gt
- }
-
-let rec simple_adjust m =
- let m' =
- MAL.mapi (fun x _ -> closure_of x m) m
- in
- if not (are_ugraph_eq m m') then(
- simple_adjust m')
- else
- m'
-
-let add_eq_arc u v m =
- let ru = repr u m in
- let rv = repr v m in
- let ru' = {ru with one_s_eq = SOF.add v ru.one_s_eq} in
- let m' = MAL.add u ru' m in
- let rv' = {rv with one_s_eq = SOF.add u rv.one_s_eq} in
- let m'' = MAL.add v rv' m' in
- simple_adjust m''
-
-let add_ge_arc u v m =
- let ru = repr u m in
- let ru' = { ru with one_s_ge = SOF.add v ru.one_s_ge} in
- let m' = MAL.add u ru' m in
- simple_adjust m'
-
-let add_gt_arc u v m =
- let ru = repr u m in
- let ru' = {ru with one_s_gt = SOF.add v ru.one_s_gt} in
- let m' = MAL.add u ru' m in
- simple_adjust m'
-
-\f
-(*****************************************************************************)
-(** Outhern interface, that chooses between _fast and safe **)
-(*****************************************************************************)
-
-(*
- given the 2 nodes plus the current bag, adds the arc, recomputes the
- closures and returns the new map
-*)
-let add_eq fast u v b =
- if fast then
- add_eq_arc_fast u v b
- else
- add_eq_arc u v b
-
-(*
- given the 2 nodes plus the current bag, adds the arc, recomputes the
- closures and returns the new map
-*)
-let add_ge fast u v b =
- if fast then
- add_ge_arc_fast u v b
- else
- add_ge_arc u v b
-(*
- given the 2 nodes plus the current bag, adds the arc, recomputes the
- closures and returns the new map
-*)
-let add_gt fast u v b =
- if fast then
- add_gt_arc_fast u v b
- else
- add_gt_arc u v b
-
(*****************************************************************************)
(** Other real code **)
if o then prerr_endline "oblivion universe" else
prerr_endline (string_of_bag g)
-let add_eq ?(fast=(!fast_implementation)) u v b =
+let add_eq u v b =
(* should we check to no add twice the same?? *)
let m = b in
let ru = repr u m in
if SOF.mem u rv.gt_closure then
error ("EQ",u,v) u "GT" v rv.gt_closure
else
- add_eq fast u v b
+ add_eq_arc_fast u v b
end
-let add_ge ?(fast=(!fast_implementation)) u v b =
+let add_ge u v b =
(* should we check to no add twice the same?? *)
let m = b in
let rv = repr v m in
if SOF.mem u rv.gt_closure then
error ("GE",u,v) u "GT" v rv.gt_closure
else
- add_ge fast u v b
+ add_ge_arc_fast u v b
-let add_gt ?(fast=(!fast_implementation)) u v b =
+let add_gt u v b =
(* should we check to no add twice the same?? *)
(*
FIXME : check the thesis... no need to check GT and EQ closure since the
if SOF.mem u rv.eq_closure then
error ("GT",u,v) u "EQ" v rv.eq_closure
else*)
- add_gt fast u v b
+ add_gt_arc_fast u v b
(* end
end*)
(** START: Decomment this for performance comparisons **)
(*****************************************************************************)
-let add_eq ?(fast=(!fast_implementation)) u v (b,already_contained,oblivion) =
+let add_eq u v (b,already_contained,oblivion) =
if oblivion then (b,already_contained,oblivion) else
- (*prerr_endline "add_eq";*)
- (begin_spending ();
- let rc = add_eq ~fast u v b in
- end_spending ();
- rc,already_contained,false)
+ let rc = add_eq u v b in
+ rc,already_contained,false
-let add_ge ?(fast=(!fast_implementation)) u v (b,already_contained,oblivion) =
+let add_ge u v (b,already_contained,oblivion) =
if oblivion then (b,already_contained,oblivion) else
-(* prerr_endline "add_ge"; *)
- (begin_spending ();
- let rc = add_ge ~fast u v b in
- end_spending ();
- rc,already_contained,false)
+ let rc = add_ge u v b in
+ rc,already_contained,false
-let add_gt ?(fast=(!fast_implementation)) u v (b,already_contained,oblivion) =
+let add_gt u v (b,already_contained,oblivion) =
if oblivion then (b,already_contained,oblivion) else
-(* prerr_endline "add_gt"; *)
- (begin_spending ();
- let rc = add_gt ~fast u v b in
- end_spending ();
- rc,already_contained,false)
+ let rc = add_gt u v b in
+ rc,already_contained,false
-(* profiling code
+(* profiling code *)
let profiler_eq = HExtlib.profile "CicUniv.add_eq"
let profiler_ge = HExtlib.profile "CicUniv.add_ge"
let profiler_gt = HExtlib.profile "CicUniv.add_gt"
-let add_gt ?fast u v b =
- profiler_gt.HExtlib.profile (fun _ -> add_gt ?fast u v b) ()
-let add_ge ?fast u v b =
- profiler_ge.HExtlib.profile (fun _ -> add_ge ?fast u v b) ()
-let add_eq ?fast u v b =
- profiler_eq.HExtlib.profile (fun _ -> add_eq ?fast u v b) ()
-*)
+let add_gt u v b =
+ profiler_gt.HExtlib.profile (fun _ -> add_gt u v b) ()
+let add_ge u v b =
+ profiler_ge.HExtlib.profile (fun _ -> add_ge u v b) ()
+let add_eq u v b =
+ profiler_eq.HExtlib.profile (fun _ -> add_eq u v b) ()
+
(* ugly *)
let rank = ref MAL.empty;;
-let do_rank (b,_,_ as ugraph) =
+let do_rank (b,_,_) =
(* print_ugraph ugraph; *)
let keys = MAL.fold (fun k _ acc -> k::acc) b [] in
let fall =
let e_l =
MAL.fold (fun k v l -> if v = empty_entry && not(f k) then
begin
- k::l end else l) m'' []
+ SOF.add k l end else l) m'' SOF.empty
in
- if e_l != [] then
+ if not (SOF.is_empty e_l) then
clean_ugraph
- m'' already_contained (fun u -> (f u) && not (List.mem u e_l))
+ m'' already_contained (fun u -> (f u) && not (SOF.mem u e_l))
else
MAL.fold
(fun k v x -> if v <> empty_entry then MAL.add k v x else x)
let clean_ugraph (m,a,o) l =
assert(not o);
- let m, a = clean_ugraph m a (fun u -> List.mem u l) in
+ let l = List.fold_right SOF.add l SOF.empty in
+ let m, a = clean_ugraph m a (fun u -> SOF.mem u l) in
m, a, o
let assigner_of =
MAL.iter (fun k v -> assert_univ k; assert_entry v)graph;
List.iter assert_univ univlist
-let eq u1 u2 =
- match u1,u2 with
- | (id1, Some uri1),(id2, Some uri2) ->
- id1 = id2 && UriManager.eq uri1 uri2
- | (id1, None),(id2, None) -> id1 = id2
- | _ -> false
-
-let compare (id1, uri1) (id2, uri2) =
- let cmp = id1 - id2 in
- if cmp = 0 then
- match uri1,uri2 with
- | None, None -> 0
- | Some _, None -> 1
- | None, Some _ -> ~-1
- | Some uri1, Some uri2 -> UriManager.compare uri1 uri2
- else
- cmp
-
let is_anon = function (_,None) -> true | _ -> false
(* EOF *)
projects / helm.git / blobdiff