1 let realloc l old_size new_size dummy =
2 let l' = Array.create new_size dummy in
3 Array.blit l 0 l' 0 (min old_size new_size);
9 type 'a t = { mutable line : 'a array;
12 let create n a = { line = Array.create n a;
17 let len = Array.length line in
18 if i >= len then c.dummy else line.(i)
22 let len = Array.length line in
23 if i >= len then c.line <- realloc line len (i*2+1) c.dummy;
28 let to_array c = c.line
35 type 'a t = { mutable line : 'a array array;
38 dummy_line1 : 'a array
41 let dummy_line = [| |]
43 let create ?(l1_size=512) n a =
44 let dummy_line1 = Array.create l1_size a in
45 { line = Array.create n dummy_line1;
48 dummy_line1 = dummy_line1;
51 let find c i j = c.line.(i).(j)
55 let len = Array.length line in
57 c.line <- realloc line len (i*2 + 1) c.dummy_line1;
58 let line = c.line.(i) in
60 if line == c.dummy_line1 then
61 let nline = Array.copy line in
69 let to_array c = c.line
70 let dummy_line c = c.dummy_line1
76 { mutable line : 'a array array array;
80 dummy_line1 : 'a array array;
81 dummy_line2 : 'a array }
83 let dummy_line2 = [| |]
84 let dummy_line1 = [| |]
86 let create ?(l1_size=512) ?(l2_size=512) n a =
87 let dummy_line2 = Array.create l2_size a in
88 let dummy_line1 = Array.create l1_size dummy_line2 in
89 { line = Array.create n dummy_line1;
93 dummy_line1 = dummy_line1;
94 dummy_line2 = dummy_line2
96 let find t i j k = t.line.(i).(j).(k)
102 if l1 == t.dummy_line1 then
103 let l1' = Array.copy l1 in
108 let l2 = line1.(j) in
109 if l2 == t.dummy_line2 then
110 let l2' = Array.copy l2 in
111 line1.(j) <- l2'; l2'
116 let dummy a = a.dummy
117 let to_array a = a.line