Tree DFS implem
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@ -448,16 +448,15 @@ let connect l0 =
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end
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in aux l0 ;;
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let even_more_pretty_printing t r ystep =
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open_graph " 1800x800" ;
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set_window_title "Trees" ;
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let even_more_pretty_printing t r ystep skip =
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let sx = Graphics.size_x () in
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let sy = Graphics.size_y () in
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let graphdata = fill_data t ystep sx sy (3*r/4) in
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let graphdata = fill_data t ystep sx sy (6*r/10) in
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(* graphdata is a ((int * (int * int)) * (int * int)) list array *)
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(* <==> ((value, (parent_x, parent_y)), (this_x, this_y)) *)
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if skip = false then begin
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set_color (rgb 192 192 192);
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set_line_width 15 ;
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for dpth = 1 to (Array.length graphdata -1) do
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@ -475,12 +474,9 @@ let even_more_pretty_printing t r ystep =
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Unix.sleepf 2.0 ;
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halt := true;
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done;
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end;
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graphdata ;;
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close_graph () ;
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() ;;
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(* --------------------------------------| TESTS |-------------------------------------- *)
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Random.self_init ;;
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let generate_full_graph d =
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let rec aux n = match n with
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@ -490,7 +486,99 @@ let generate_full_graph d =
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end
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in aux d ;;
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even_more_pretty_printing (generate_full_graph 3) 40 100 ;
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let rec nth l n = match l with
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| [] -> failwith "Out of range"
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| h::t when n = 0 -> h
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| h::t -> nth t (n-1) ;;
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let even_more_fancy_dfs_prefixe t graphdata r tts rfound gfound bfound rmark gmark bmark =
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let rec aux tr dpth os =
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match tr with
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| Empty -> ()
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| Leaf _ -> begin
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let data = nth graphdata.(dpth) os in
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set_color (rgb rfound gfound bfound);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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Unix.sleepf tts;
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set_color (rgb rmark gmark bmark);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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end
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| Node (_, g, d) -> begin
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let data = nth graphdata.(dpth) os in
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set_color (rgb rfound gfound bfound);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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Unix.sleepf tts;
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set_color (rgb rmark gmark bmark);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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aux g (dpth+1) (2*os);
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aux g (dpth+1) (2*os + 1);
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end
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in aux t 0 0 ;;
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let even_more_fancy_dfs_infixe t graphdata r tts rfound gfound bfound rmark gmark bmark =
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let rec aux tr dpth os =
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match tr with
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| Empty -> ()
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| Leaf _ -> begin
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let data = nth graphdata.(dpth) os in
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set_color (rgb rfound gfound bfound);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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Unix.sleepf tts;
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set_color (rgb rmark gmark bmark);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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end
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| Node (_, g, d) -> begin
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aux g (dpth+1) (2*os);
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let data = nth graphdata.(dpth) os in
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set_color (rgb rfound gfound bfound);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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Unix.sleepf tts;
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set_color (rgb rmark gmark bmark);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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aux g (dpth+1) (2*os + 1);
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end
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in aux t 0 0 ;;
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let even_more_fancy_dfs_postfixe t graphdata r tts rfound gfound bfound rmark gmark bmark =
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let rec aux tr dpth os =
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match tr with
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| Empty -> ()
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| Leaf _ -> begin
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let data = nth graphdata.(dpth) os in
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set_color (rgb rfound gfound bfound);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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Unix.sleepf tts;
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set_color (rgb rmark gmark bmark);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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end
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| Node (_, g, d) -> begin
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aux g (dpth+1) (2*os);
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aux g (dpth+1) (2*os + 1);
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let data = nth graphdata.(dpth) os in
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set_color (rgb rfound gfound bfound);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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Unix.sleepf tts;
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set_color (rgb rmark gmark bmark);
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draw_circle (fst (snd data)) (snd (snd data)) r;
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end
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in aux t 0 0 ;;
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(* --------------------------------------| TESTS |-------------------------------------- *)
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Random.self_init ;;
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open_graph " 1800x800" ;;
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set_window_title "Trees" ;;
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let gdata = even_more_pretty_printing (generate_full_graph 4) 40 150 false ;;
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even_more_fancy_dfs_prefixe (generate_full_graph 4) gdata 40 0.2 255 255 32 32 32 255 ;;
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close_graph () ;;
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(* compilation command : ocamlfind ocamlc -linkpkg -package unix -linkpkg -package graphics pretty_printing.ml *)
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print_int 0 ;;
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