qe-lite

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

lib/qe_lite.h

@@ -0,0 +1,49 @@
+/*++
+Copyright (c) 2010 Microsoft Corporation
+
+Module Name:
+
+    qe_lite.h
+
+Abstract:
+
+    Light weight partial quantifier-elimination procedures 
+
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2012-10-17
+
+Revision History:
+
+
+--*/
+
+#ifndef __QE_LITE_H__
+#define __QE_LITE_H__
+
+#include "ast.h"
+
+class qe_lite {
+    class impl;
+    impl * m_impl;
+public:
+    qe_lite(ast_manager& m);
+
+    ~qe_lite();
+
+    /**
+       \brief
+       Apply light-weight quantifier elimination 
+       on constants provided as vector of variables. 
+       Return the updated formula and updated set of variables that were not eliminated.
+
+    */
+    void operator()(app_ref_vector& vars, expr_ref& fml);
+
+    /**
+        \brief full rewriting based light-weight quantifier elimination round.
+    */
+    void operator()(expr_ref& fml, proof_ref& pr);
+};
+
+#endif __QE_LITE_H__