- removed inert Diff() function; only Derivative() remains

[ginac.git] / ginac / flags.h

diff --git a/ginac/flags.h b/ginac/flags.h
index d7e63825b353b0ff40f8b92d564aee3fbb5065aa..16228a2d32a604662dacd94ea8f99329fcaaa22e 100644 (file)
--- a/ginac/flags.h
+++ b/ginac/flags.h
@@ -89,9 +89,6 @@ public:
            crational_polynomial,
            rational_function,
 
-           // answered by class ex
-           normal_form,
-           
            // answered by class indexed
            indexed,      // class can carry indices
            has_indices,  // object has at least one index
@@ -121,6 +118,15 @@ public:
        };
 };
 
+class remember_strategies {
+public:
+    enum { delete_never, // let table grow undefinitely, not recommmended, but currently default
+           delete_lru,   // least recently used
+           delete_lfu,   // least frequently used
+           delete_cyclic // first one in list (oldest)
+    };
+};
+
 #ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC
 #endif // ndef NO_NAMESPACE_GINAC