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authorPaulMeng <baolmeng@gmail.com>2016-04-20 14:43:18 -0500
committerPaulMeng <baolmeng@gmail.com>2016-04-20 14:43:18 -0500
commit904ffb6e73402bae537aa89e7fd8f0ab2e9d60e2 (patch)
treed96bb0c974bdea6170957d3e39d47a98f5c85ca0 /src/theory/quantifiers/quant_split.h
parenta0054e9cc78822416d745e955c30f69cbb2a3aa7 (diff)
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+/********************* */
+/*! \file quant_split.h
+ ** \verbatim
+ ** Top contributors (to current version):
+ ** Andrew Reynolds, Tim King
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2016 by the authors listed in the file AUTHORS
+ ** in the top-level source directory) and their institutional affiliations.
+ ** All rights reserved. See the file COPYING in the top-level source
+ ** directory for licensing information.\endverbatim
+ **
+ ** \brief dynamic quantifiers splitting
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef __CVC4__THEORY__QUANT_SPLIT_H
+#define __CVC4__THEORY__QUANT_SPLIT_H
+
+#include "theory/quantifiers_engine.h"
+#include "context/cdo.h"
+
+namespace CVC4 {
+namespace theory {
+namespace quantifiers {
+
+class QuantDSplit : public QuantifiersModule {
+ typedef context::CDHashSet<Node, NodeHashFunction> NodeSet;
+private:
+ /** list of relevant quantifiers asserted in the current context */
+ std::map< Node, int > d_quant_to_reduce;
+ /** whether we have instantiated quantified formulas */
+ NodeSet d_added_split;
+public:
+ QuantDSplit( QuantifiersEngine * qe, context::Context* c );
+ /** determine whether this quantified formula will be reduced */
+ void preRegisterQuantifier( Node q );
+
+ /* whether this module needs to check this round */
+ bool needsCheck( Theory::Effort e );
+ /* Call during quantifier engine's check */
+ void check( Theory::Effort e, unsigned quant_e );
+ /* Called for new quantifiers */
+ void registerQuantifier( Node q ) {}
+ void assertNode( Node n ) {}
+ /** Identify this module (for debugging, dynamic configuration, etc..) */
+ std::string identify() const { return "QuantDSplit"; }
+};
+
+}
+}
+}
+
+#endif
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