Not logged in.  Login/Logout/Register | List snippets | | Create snippet | Upload image | Upload data

50
LINES

< > BotCompany Repo | #1010411 // PosNeg - positive MultiSet + negative MultiSet

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (3201L/20K).

1  
sclass PosNeg<A> {
2  
  new MultiSet<A> pos;
3  
  new MultiSet<A> neg;
4  
  
5  
  *() {}
6  
  *(Iterable<A> pos, Iterable<A> neg) {
7  
    this.pos.addAll(pos);
8  
    this.neg.addAll(neg);
9  
  }
10  
  
11  
  *(Iterable<Pair<A, Bool>> pairs) {
12  
    fOr (Pair<A, Bool> p : pairs)
13  
      add(p.a, p.b);
14  
  }
15  
  
16  
  *(Map<A, Bool> map) {
17  
    fOr (A a, Bool b : map)
18  
      add(a, b);
19  
  }
20  
  
21  
  void add(A a, int score) {
22  
    if (score > 0)
23  
      pos.add(a, score);
24  
    else if (score < 0)
25  
      neg.add(a, -score);
26  
  }
27  
  
28  
  void add(A a, Bool b) {
29  
    if (isTrue(b))
30  
      pos.add(a);
31  
    else if (isFalse(b))
32  
      neg.add(a);
33  
  }
34  
  
35  
  int get(A a) {
36  
    ret pos.get(a)-neg.get(a);
37  
  }
38  
  
39  
  int score() { ret l(pos)-l(neg); }
40  
  int n() { ret l(pos)+l(neg); }
41  
  int nPos() { ret l(pos); }
42  
  int nNeg() { ret l(neg); }
43  
  bool isEmpty() { ret n() == 0; }
44  
  bool perfect() { ret nPos() != 0 && nNeg() == 0; }
45  
  bool antiPerfect() { ret nPos() == 0 && nNeg() != 0; }
46  
  
47  
  toString {
48  
    ret "+" + nPos() + "/-" + nNeg() + ": " + pos + " / " + neg;
49  
  }
50  
}

download  show line numbers  debug dex  old transpilations   

Travelled to 14 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt, xrpafgyirdlv

No comments. add comment

Snippet ID: #1010411
Snippet name: PosNeg - positive MultiSet + negative MultiSet
Eternal ID of this version: #1010411/15
Text MD5: d4ea5ae779490183441d7d171fd848b0
Transpilation MD5: 847b61b3f5036b7c666268795057f9f6
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2020-07-06 00:32:30
Source code size: 1057 bytes / 50 lines
Pitched / IR pitched: No / No
Views / Downloads: 530 / 1238
Version history: 14 change(s)
Referenced in: [show references]