Reorganizing the code

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

src/arith_tactics/vsubst_tactic.h

@@ -0,0 +1,30 @@
+/*++
+Copyright (c) 2011 Microsoft Corporation
+
+Module Name:
+
+    vsubst_tactic.h
+
+Abstract:
+
+    Check satisfiability of QF_NRA problems using virtual subsititution quantifier-elimination.
+
+Author:
+
+    Nikolaj (nbjorner) 2011-05-16
+
+Notes:
+
+
+--*/
+#ifndef _VSUBST_TACTIC_H_
+#define _VSUBST_TACTIC_H_
+
+#include"params.h"
+class ast_manager;
+class tactic;
+
+tactic * mk_vsubst_tactic(ast_manager & m, params_ref const & p = params_ref());
+
+#endif
+