From 2163539a8b839acf98bda0e1a65f1fcca5232fb2 Mon Sep 17 00:00:00 2001 From: Morgan Deters Date: Tue, 8 Dec 2009 10:10:20 +0000 Subject: work on propositional layer, expression builder support for large expressions, output classes, and minisat --- src/util/decision_engine.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'src/util/decision_engine.h') diff --git a/src/util/decision_engine.h b/src/util/decision_engine.h index a6f8596dd..3a093211c 100644 --- a/src/util/decision_engine.h +++ b/src/util/decision_engine.h @@ -12,6 +12,7 @@ #ifndef __CVC4__DECISION_ENGINE_H #define __CVC4__DECISION_ENGINE_H +#include "cvc4_config.h" #include "util/literal.h" namespace CVC4 { @@ -22,12 +23,17 @@ namespace CVC4 { /** * A decision mechanism for the next decision. */ -class DecisionEngine { +class CVC4_PUBLIC DecisionEngine { public: + /** + * Destructor. + */ + virtual ~DecisionEngine(); + /** * Get the next decision. */ - virtual Literal nextDecision() = 0; + virtual Literal nextDecision();// = 0 // TODO: design decision: decision engine should be notified of // propagated lits, and also why(?) (so that it can make decisions -- cgit v1.2.3