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

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

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

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sclass PosNeg<A> {
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  new MultiSet<A> pos;
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  new MultiSet<A> neg;
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  *() {}
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  *(Iterable<A> pos, Iterable<A> neg) {
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    this.pos.addAll(pos);
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    this.neg.addAll(neg);
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  }
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  *(Iterable<Pair<A, Bool>> pairs) {
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    fOr (Pair<A, Bool> p : pairs)
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      add(p.a, p.b);
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  }
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  *(Map<A, Bool> map) {
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    fOr (A a, Bool b : map)
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      add(a, b);
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  }
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  void add(A a, int score) {
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    if (score > 0)
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      pos.add(a, score);
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    else if (score < 0)
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      neg.add(a, -score);
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  }
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  void add(A a, Bool b) {
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    if (isTrue(b))
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      pos.add(a);
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    else if (isFalse(b))
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      neg.add(a);
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  }
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  int get(A a) {
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    ret pos.get(a)-neg.get(a);
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  }
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  int score() { ret l(pos)-l(neg); }
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  int n() { ret l(pos)+l(neg); }
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  int nPos() { ret l(pos); }
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  int nNeg() { ret l(neg); }
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  bool isEmpty() { ret n() == 0; }
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  bool perfect() { ret nPos() != 0 && nNeg() == 0; }
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  bool antiPerfect() { ret nPos() == 0 && nNeg() != 0; }
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  toString {
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    ret "+" + nPos() + "/-" + nNeg() + ": " + pos + " / " + neg;
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  }
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}

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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: 334 / 863
Version history: 14 change(s)
Referenced in: [show references]

Formerly at http://tinybrain.de/1010411 & http://1010411.tinybrain.de