reorganizing the code

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

src/tactic/arith_tactics/add_bounds_tactic.h

@@ -0,0 +1,34 @@
+/*++
+Copyright (c) 2011 Microsoft Corporation
+
+Module Name:
+
+    add_bounds.h
+
+Abstract:
+
+    Tactic for bounding unbounded variables.
+
+Author:
+
+    Leonardo de Moura (leonardo) 2011-06-30.
+
+Revision History:
+
+--*/
+#ifndef _ADD_BOUNDS_H_
+#define _ADD_BOUNDS_H_
+
+#include"params.h"
+
+class ast_manager;
+class goal;
+class tactic;
+class probe;
+
+bool is_unbounded(goal const & g);
+probe * mk_is_unbounded_probe();
+
+tactic * mk_add_bounds_tactic(ast_manager & m, params_ref const & p = params_ref());
+
+#endif