Jip J. Dekker
35a3110598
git-subtree-dir: software/chuffed git-subtree-split: 2ed0c01558d2a5c49c1ce57e048d32c17adf92d3
55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#ifndef int_var_ll_h
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#define int_var_ll_h
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class IntVarLL : public IntVar {
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static const bool ll_dec = true;
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struct LitNode { int var, val, prev, next; };
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vec<LitNode> ld;
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vec<int> freelist;
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Tint li, hi;
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Lit valLit;
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std::string varLabel;
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Lit getGELit(int v);
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Lit getLELit(int v);
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void channelMin(int v, Lit p);
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void channelMax(int v, Lit p);
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void updateFixed();
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public:
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IntVarLL(const IntVar& other);
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VarType getType() { return INT_VAR_LL; }
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DecInfo* branch();
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int getLitNode();
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void freeLazyVar(int val);
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// NOTE: No support for INT_VAR_LL vars yet.
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// t = 0: [x != v], t = 1: [x = v], t = 2: [x >= v], t = 3: [x <= v]
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Lit getLit(int64_t v, int t);
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Lit getMinLit() const { return Lit(ld[li].var, 0); }
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Lit getMaxLit() const { return Lit(ld[hi].var, 1); }
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Lit getValLit() const { assert(isFixed()); return ~valLit; }
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Lit getFMinLit(int64_t v) { return getMinLit(); }
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Lit getFMaxLit(int64_t v) { return getMaxLit(); }
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bool setMin(int64_t v, Reason r = NULL, bool channel = true);
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bool setMax(int64_t v, Reason r = NULL, bool channel = true);
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bool setVal(int64_t v, Reason r = NULL, bool channel = true);
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bool remVal(int64_t v, Reason r = NULL, bool channel = true);
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Lit createLit(int v);
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};
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#endif
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