- introduced info_flag::algebraic.

[ginac.git] / ginac / flags.h

diff --git a/ginac/flags.h b/ginac/flags.h
index 6a1bfa4df35f15d34ce949f1bcda1bcd15af6ed5..8b9caed477db87c54015de4b1619f7001a6237fb 100644 (file)
--- a/ginac/flags.h
+++ b/ginac/flags.h
@@ -3,7 +3,7 @@
  *  Collection of all flags used through the GiNaC framework. */
 
 /*
- *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -23,9 +23,9 @@
 #ifndef __GINAC_FLAGS_H__
 #define __GINAC_FLAGS_H__
 
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
 namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
 
 class expand_options {
 public:
@@ -42,14 +42,17 @@ public:
          };
 };
 
+/** Possible attributes an object can have. */
 class info_flags {
 public:
-    enum { 
+    enum {
            // answered by class numeric
            numeric,
            real,
            rational,
            integer,
+           crational,
+           cinteger,
            positive,
            negative,
            nonnegative,
@@ -59,7 +62,7 @@ public:
            even,
            odd,
            prime,
-
+           
            // answered by class relation
            relation,
            relation_equal,
@@ -68,35 +71,35 @@ public:
            relation_less_or_equal,
            relation_greater,
            relation_greater_or_equal,
-
+           
            // answered by class symbol
            symbol,
-
+           
            // answered by class lst
            list,
-
+           
            // answered by class exprseq
            exprseq,
-
+           
            // answered by classes numeric, symbol, add, mul, power
            polynomial,
            integer_polynomial,
+           cinteger_polynomial,
            rational_polynomial,
+           crational_polynomial,
            rational_function,
-
-           // answered by class ex
-           normal_form,
+           algebraic,
            
            // answered by class indexed
            indexed,      // class can carry indices
            has_indices,  // object has at least one index
-
+           
            // answered by class idx
            idx,
-
+           
            // answered by class coloridx
            coloridx,
-
+           
            // answered by class lorentzidx
            lorentzidx
     };
@@ -116,8 +119,17 @@ public:
        };
 };
 
-#ifndef NO_GINAC_NAMESPACE
+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_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
 
 #endif // ndef __GINAC_FLAGS_H__