Z3 sources

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

lib/spc_statistics.h

@@ -0,0 +1,49 @@
+/*++
+Copyright (c) 2006 Microsoft Corporation
+
+Module Name:
+
+    spc_statistics.h
+
+Abstract:
+
+    <abstract>
+
+Author:
+
+    Leonardo de Moura (leonardo) 2008-02-17.
+
+Revision History:
+
+--*/
+#ifndef _SPC_STATISTICS_H_
+#define _SPC_STATISTICS_H_
+
+#include<iostream>
+
+namespace spc {
+
+    struct statistics {
+        unsigned m_num_mk_clause;
+        unsigned m_num_del_clause;
+        unsigned m_num_processed;
+        unsigned m_num_superposition;
+        unsigned m_num_resolution;
+        unsigned m_num_eq_factoring;
+        unsigned m_num_factoring;
+        unsigned m_num_eq_resolution;
+        unsigned m_num_trivial;
+        unsigned m_num_simplified;
+        unsigned m_num_subsumed;
+        unsigned m_num_redundant;
+        statistics() {
+            reset();
+        }
+        
+        void reset();
+        void display(std::ostream & out) const;
+    };
+};
+
+#endif /* _SPC_STATISTICS_H_ */
+