Jip J. Dekker
35a3110598
git-subtree-dir: software/chuffed git-subtree-split: 2ed0c01558d2a5c49c1ce57e048d32c17adf92d3
69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#ifndef int_var_el_h
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#define int_var_el_h
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#include <chuffed/core/options.h>
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class IntVarEL : public IntVar {
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int lit_min;
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int lit_max;
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int base_vlit;
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int base_blit;
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Lit getNELit(int v) const { return toLit(base_vlit+2*v); }
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Lit getEQLit(int v) const { return toLit(base_vlit+2*v+1); }
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Lit getGELit(int v) const { return toLit(base_blit+2*v); }
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Lit getLELit(int v) const { return toLit(base_blit+2*v+1); }
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void channelMin(int v);
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void channelMax(int v);
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void channelFix(int v);
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#if INT_DOMAIN_LIST
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void updateMin(int v, int i);
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void updateMax(int v, int i);
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#else
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void updateMin();
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void updateMax();
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#endif
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void updateFixed();
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public:
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int uiv_no;
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IntVarEL(const IntVar& other);
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void initVLits();
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void initBLits();
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void setVLearnable(bool b = true);
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void setBLearnable(bool b = true);
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void setVDecidable(bool t);
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void setBDecidable(bool t);
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VarType getType() { return INT_VAR_EL; }
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int getBaseVLit() { return base_vlit; }
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int getBaseBLit() { return base_blit; }
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Lit getEQLit2(int v) const { return toLit(base_vlit+2*v+1); }
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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 ~getGELit(min); }
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Lit getMaxLit() const { return ~getLELit(max); }
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Lit getValLit() const { assert(isFixed()); return ~getEQLit(min); }
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Lit getFMinLit(int64_t v) { return ~getLit(so.finesse ? v : (int) min, 2); }
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Lit getFMaxLit(int64_t v) { return ~getLit(so.finesse ? v : (int) max, 3); }
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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 createSetLit(vec<Lit>& head);
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};
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#endif
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