Unary encoding of predicates

[satune.git] / src / Backend / satencoder.h

diff --git a/src/Backend/satencoder.h b/src/Backend/satencoder.h
index d750c9ec6c465e16286f663328466323328c5b5f..1f8253ad030e07ef514856a825f210c7c9a47519 100644 (file)
--- a/src/Backend/satencoder.h
+++ b/src/Backend/satencoder.h
@@ -6,19 +6,23 @@
 #include "inc_solver.h"
 #include "constraint.h"
 
+typedef Hashtable<Boolean *, Node *, uintptr_t, 4> BooleanToEdgeMap;
+
 class SATEncoder {
- public:
-       int solve();
+public:
+       int solve(long timeout);
        SATEncoder(CSolver *solver);
        ~SATEncoder();
+       void resetSATEncoder();
        void encodeAllSATEncoder(CSolver *csolver);
-       Edge encodeConstraintSATEncoder(Boolean *constraint);
-       CNF * getCNF() { return cnf;}
+       Edge encodeConstraintSATEncoder(BooleanEdge constraint);
+       CNF *getCNF() { return cnf;}
        long long getSolveTime() { return cnf->solveTime; }
        long long getEncodeTime() { return cnf->encodeTime; }
-       
-       MEMALLOC;
- private:
+
+       CMEMALLOC;
+private:
+       void shouldMemoize(Element *elem, uint64_t val, bool &memo);
        Edge getNewVarSATEncoder();
        void getArrayNewVarsSATEncoder(uint num, Edge *carray);
        Edge encodeVarSATEncoder(BooleanVar *constraint);
@@ -28,12 +32,11 @@ class SATEncoder {
        void encodeElementSATEncoder(Element *element);
        void encodeElementFunctionSATEncoder(ElementFunction *function);
        void encodeTableElementFunctionSATEncoder(ElementFunction *This);
-       Edge getElementValueOneHotConstraint(Element *elem, uint64_t value);
-       Edge getElementValueUnaryConstraint(Element *elem, uint64_t value);
-       Edge getElementValueBinaryIndexConstraint(Element *element, uint64_t value);
-       Edge getElementValueBinaryValueConstraint(Element *element, uint64_t value);
-       Edge getElementValueConstraint(Element *element, uint64_t value);
-       void allocElementConstraintVariables(ElementEncoding *ee, uint numVars);
+       Edge getElementValueOneHotConstraint(Element *elem, Polarity p, uint64_t value);
+       Edge getElementValueUnaryConstraint(Element *elem, Polarity p, uint64_t value);
+       Edge getElementValueBinaryIndexConstraint(Element *element, Polarity p, uint64_t value);
+       Edge getElementValueBinaryValueConstraint(Element *element, Polarity p, uint64_t value);
+       Edge getElementValueConstraint(Element *element, Polarity p, uint64_t value);
        void generateOneHotEncodingVars(ElementEncoding *encoding);
        void generateUnaryEncodingVars(ElementEncoding *encoding);
        void generateBinaryIndexEncodingVars(ElementEncoding *encoding);
@@ -41,24 +44,37 @@ class SATEncoder {
        void generateElementEncoding(Element *element);
        Edge encodeOperatorPredicateSATEncoder(BooleanPredicate *constraint);
        Edge encodeEnumOperatorPredicateSATEncoder(BooleanPredicate *constraint);
+       Edge encodeUnaryPredicateSATEncoder(BooleanPredicate *constraint);
+       Edge encodeEnumEqualsPredicateSATEncoder(BooleanPredicate *constraint);
        void encodeOperatorElementFunctionSATEncoder(ElementFunction *This);
        Edge encodeCircuitOperatorPredicateEncoder(BooleanPredicate *constraint);
        Edge encodeOrderSATEncoder(BooleanOrder *constraint);
        Edge inferOrderConstraintFromGraph(Order *order, uint64_t _first, uint64_t _second);
        Edge getPairConstraint(Order *order, OrderPair *pair);
+       Edge getPartialPairConstraint(Order *order, OrderPair *pair);
        Edge encodeTotalOrderSATEncoder(BooleanOrder *constraint);
        Edge encodePartialOrderSATEncoder(BooleanOrder *constraint);
        void createAllTotalOrderConstraintsSATEncoder(Order *order);
-       Edge getOrderConstraint(HashTableOrderPair *table, OrderPair *pair);
+       void createAllPartialOrderConstraintsSATEncoder(Order *order);
+       void createAllTotalOrderConstraintsSATEncoderSparse(Order *order);
+       void createAllPartialOrderConstraintsSATEncoderSparse(Order *order);
+       Edge getOrderConstraint(HashtableOrderPair *table, OrderPair *pair);
        Edge generateTransOrderConstraintSATEncoder(Edge constIJ, Edge constJK, Edge constIK);
+       Edge generatePartialOrderConstraintsSATEncoder(Edge ij,Edge ji, Edge jk, Edge kj,Edge ik, Edge ki);
        Edge encodeEnumEntriesTablePredicateSATEncoder(BooleanPredicate *constraint);
        Edge encodeEnumTablePredicateSATEncoder(BooleanPredicate *constraint);
        void encodeEnumTableElemFunctionSATEncoder(ElementFunction *This);
        void encodeEnumEntriesTableElemFuncSATEncoder(ElementFunction *This);
-       
+       void generateAnyValueBinaryIndexEncoding(ElementEncoding *encoding);
+       int getMaximumUsedSize(ElementEncoding *encoding);
+       void generateAnyValueBinaryIndexEncodingPositive(ElementEncoding *encoding);
+       void generateAnyValueBinaryValueEncoding(ElementEncoding *encoding);
        CNF *cnf;
        CSolver *solver;
+       BooleanToEdgeMap booledgeMap;
+       VectorEdge *vector;
+       friend class VarOrderingOpt;
 };
 
-Edge getOrderConstraint(HashTableOrderPair *table, OrderPair *pair);
+void allocElementConstraintVariables(ElementEncoding *ee, uint numVars);
 #endif